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   1 /**
   2  *  This document is a part of the source code and related artifacts
   3  *  for CollectionSpace, an open source collections management system
   4  *  for museums and related institutions:
   5
   6  *  http://www.collectionspace.org
   7  *  http://wiki.collectionspace.org
   8
   9  *  Copyright 2009 University of California at Berkeley
  10
  11  *  Licensed under the Educational Community License (ECL), Version 2.0.
  12  *  You may not use this file except in compliance with this License.
  13
  14  *  You may obtain a copy of the ECL 2.0 License at
  15
  16  *  https://source.collectionspace.org/collection-space/LICENSE.txt
  17
  18  *  Unless required by applicable law or agreed to in writing, software
  19  *  distributed under the License is distributed on an "AS IS" BASIS,
  20  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  21  *  See the License for the specific language governing permissions and
  22  *  limitations under the License.
  23  */
  24 package org.collectionspace.services.nuxeo.client.java;
  25
  26 import java.util.ArrayList;
  27 import java.util.HashMap;
  28 import java.util.List;
  29 import java.util.Map;
  30 import java.util.Map.Entry;
  31 import java.util.Set;
  32
  33 import javax.ws.rs.WebApplicationException;
  34 import javax.ws.rs.core.MediaType;
  35 import javax.ws.rs.core.MultivaluedMap;
  36 import javax.ws.rs.core.Response;
  37 import javax.ws.rs.core.UriInfo;
  38 import javax.xml.bind.JAXBElement;
  39
  40 import org.collectionspace.authentication.spi.AuthNContext;
  41 import org.collectionspace.services.authorization.AccountPermission;
  42 import org.collectionspace.services.jaxb.AbstractCommonList;
  43 import org.collectionspace.services.lifecycle.TransitionDef;
  44 import org.collectionspace.services.client.CollectionSpaceClient;
  45 import org.collectionspace.services.client.PayloadInputPart;
  46 import org.collectionspace.services.client.PayloadOutputPart;
  47 import org.collectionspace.services.client.PoxPayloadIn;
  48 import org.collectionspace.services.client.PoxPayloadOut;
  49 import org.collectionspace.services.client.Profiler;
  50 import org.collectionspace.services.client.RelationClient;
  51 import org.collectionspace.services.client.workflow.WorkflowClient;
  52 import org.collectionspace.services.common.CSWebApplicationException;
  53 import org.collectionspace.services.common.ResourceBase;
  54 import org.collectionspace.services.common.authorityref.AuthorityRefList;
  55 import org.collectionspace.services.common.config.ServiceConfigUtils;
  56 import org.collectionspace.services.common.context.JaxRsContext;
  57 import org.collectionspace.services.common.context.MultipartServiceContext;
  58 import org.collectionspace.services.common.context.ServiceBindingUtils;
  59 import org.collectionspace.services.common.context.ServiceContext;
  60 import org.collectionspace.services.common.document.BadRequestException;
  61 import org.collectionspace.services.common.document.DocumentException;
  62 import org.collectionspace.services.common.document.DocumentUtils;
  63 import org.collectionspace.services.common.document.DocumentWrapper;
  64 import org.collectionspace.services.common.document.DocumentFilter;
  65 import org.collectionspace.services.client.IRelationsManager;
  66 import org.collectionspace.services.common.relation.RelationResource;
  67 import org.collectionspace.services.common.repository.RepositoryClient;
  68 import org.collectionspace.services.common.security.SecurityUtils;
  69 import org.collectionspace.services.common.storage.jpa.JpaStorageUtils;
  70 import org.collectionspace.services.common.api.CommonAPI;
  71 import org.collectionspace.services.common.api.RefNameUtils;
  72 import org.collectionspace.services.common.api.Tools;
  73 import org.collectionspace.services.common.vocabulary.RefNameServiceUtils;
  74 import org.collectionspace.services.common.vocabulary.RefNameServiceUtils.AuthRefConfigInfo;
  75 import org.collectionspace.services.config.service.DocHandlerParams;
  76 import org.collectionspace.services.config.service.ListResultField;
  77 import org.collectionspace.services.config.service.ObjectPartType;
  78 import org.collectionspace.services.nuxeo.util.NuxeoUtils;
  79 import org.collectionspace.services.relation.RelationsCommon;
  80 import org.collectionspace.services.relation.RelationsCommonList;
  81 import org.collectionspace.services.relation.RelationsDocListItem;
  82 import org.collectionspace.services.relation.RelationshipType;
  83 import org.dom4j.Element;
  84 import org.nuxeo.ecm.core.api.DocumentModel;
  85 import org.nuxeo.ecm.core.api.DocumentModelList;
  86 import org.nuxeo.ecm.core.api.model.PropertyException;
  87 import org.nuxeo.ecm.core.api.repository.RepositoryInstance;
  88 import org.slf4j.Logger;
  89 import org.slf4j.LoggerFactory;
  90
  91 /**
  92  * RemoteDocumentModelHandler
  93  *
  94  * $LastChangedRevision: $
  95  * $LastChangedDate: $
  96  * @param <T>
  97  * @param <TL>
  98  */
  99 public abstract class   RemoteDocumentModelHandlerImpl<T, TL>
 100         extends DocumentModelHandler<T, TL> {
 101
 102     /** The logger. */
 103     private final Logger logger = LoggerFactory.getLogger(RemoteDocumentModelHandlerImpl.class);
 104     private final static String CR = "\r\n";
 105     private final static String EMPTYSTR = "";
 106
 107     /* (non-Javadoc)
 108      * @see org.collectionspace.services.common.document.AbstractDocumentHandlerImpl#setServiceContext(org.collectionspace.services.common.context.ServiceContext)
 109      */
 110     @Override
 111     public void setServiceContext(ServiceContext ctx) {  //FIXME: Apply proper generics to ServiceContext<PoxPayloadIn, PoxPayloadOut>
 112         if (ctx instanceof MultipartServiceContext) {
 113             super.setServiceContext(ctx);
 114         } else {
 115             throw new IllegalArgumentException("setServiceContext requires instance of "
 116                     + MultipartServiceContext.class.getName());
 117         }
 118     }
 119
 120     @Override
 121     protected String getRefnameDisplayName(DocumentWrapper<DocumentModel> docWrapper) {
 122         return getRefnameDisplayName(docWrapper.getWrappedObject());
 123     }
 124
 125         private String getRefnameDisplayName(DocumentModel docModel) { // Look in the tenant bindings to see what field should be our display name for our refname value
 126                 String result = null;
 127                 ServiceContext ctx = this.getServiceContext();
 128
 129         DocHandlerParams.Params params = null;
 130         try {
 131                         params = ServiceConfigUtils.getDocHandlerParams(ctx);
 132                         ListResultField field = params.getRefnameDisplayNameField();
 133
 134                         String schema = field.getSchema();
 135                         if (schema == null || schema.trim().isEmpty()) {
 136                                 schema = ctx.getCommonPartLabel();
 137                         }
 138
 139                         result = getStringValue(docModel, schema, field);
 140                 } catch (Exception e) {
 141                         if (logger.isWarnEnabled()) {
 142                                 logger.warn(String.format("Call failed to getRefnameDisplayName() for class %s", this.getClass().getName()));
 143                         }
 144                 }
 145
 146                 return result;
 147         }
 148
 149     @Override
 150     public boolean supportsHierarchy() {
 151         boolean result = false;
 152
 153         DocHandlerParams.Params params = null;
 154         try {
 155                 ServiceContext ctx = this.getServiceContext();
 156                         params = ServiceConfigUtils.getDocHandlerParams(ctx);
 157                         Boolean bool = params.isSupportsHierarchy();
 158                         if (bool != null) {
 159                                 result = bool.booleanValue();
 160                         }
 161                 } catch (DocumentException e) {
 162                         // TODO Auto-generated catch block
 163                         String errMsg = String.format("Could not get document handler params from config bindings for class %s", this.getClass().getName());
 164                         if (logger.isWarnEnabled() == true) {
 165                                 logger.warn(errMsg);
 166                         }
 167                 }
 168
 169         return result;
 170     }
 171
 172     @Override
 173     public boolean supportsVersioning() {
 174         boolean result = false;
 175
 176         DocHandlerParams.Params params = null;
 177         try {
 178                 ServiceContext ctx = this.getServiceContext();
 179                         params = ServiceConfigUtils.getDocHandlerParams(ctx);
 180                         Boolean bool = params.isSupportsVersioning();
 181                         if (bool != null) {
 182                                 result = bool.booleanValue();
 183                         }
 184                 } catch (DocumentException e) {
 185                         // TODO Auto-generated catch block
 186                         String errMsg = String.format("Could not get document handler params from config bindings for class %s", this.getClass().getName());
 187                         if (logger.isWarnEnabled() == true) {
 188                                 logger.warn(errMsg);
 189                         }
 190                 }
 191
 192         return result;
 193     }
 194
 195
 196         @Override
 197         public void handleWorkflowTransition(DocumentWrapper<DocumentModel> wrapDoc, TransitionDef transitionDef)
 198                         throws Exception {
 199                 // Do nothing by default, but children can override if they want.  The real workflow transition happens in the WorkflowDocumemtModelHandler class
 200         }
 201
 202     @Override
 203     public void completeCreate(DocumentWrapper<DocumentModel> wrapDoc) throws Exception {
 204         super.completeCreate(wrapDoc);
 205         if (supportsHierarchy() == true) {
 206                 handleRelationsPayload(wrapDoc, false);
 207         }
 208     }
 209
 210     /* NOTE: The authority item doc handler overrides (after calling) this method.  It performs refName updates.  In this
 211      * method we just update any and all relationship records that use refNames that have changed.
 212      * (non-Javadoc)
 213      * @see org.collectionspace.services.nuxeo.client.java.DocumentModelHandler#completeUpdate(org.collectionspace.services.common.document.DocumentWrapper)
 214      */
 215     @Override
 216     public void completeUpdate(DocumentWrapper<DocumentModel> wrapDoc) throws Exception {
 217         DocumentModel docModel = wrapDoc.getWrappedObject();
 218         // We need to return at least those document part(s) and corresponding payloads that were received
 219         Map<String, ObjectPartType> partsMetaMap = getServiceContext().getPartsMetadata();
 220         MultipartServiceContext ctx = (MultipartServiceContext) getServiceContext();
 221         PoxPayloadIn input = ctx.getInput();
 222         if (input != null) {
 223                 List<PayloadInputPart> inputParts = ctx.getInput().getParts();
 224                 for (PayloadInputPart part : inputParts) {
 225                     String partLabel = part.getLabel();
 226                 try{
 227                     ObjectPartType partMeta = partsMetaMap.get(partLabel);
 228                     // CSPACE-4030 - generates NPE if the part is missing.
 229                     if(partMeta!=null) {
 230                             Map<String, Object> unQObjectProperties = extractPart(docModel, partLabel, partMeta);
 231                             if(unQObjectProperties!=null) {
 232                                 addOutputPart(unQObjectProperties, partLabel, partMeta);
 233                             }
 234                     }
 235                 } catch (Throwable t){
 236                     logger.error("Unable to addOutputPart: " + partLabel
 237                                                + " in serviceContextPath: "+this.getServiceContextPath()
 238                                                + " with URI: " + this.getServiceContext().getUriInfo().getPath()
 239                                                + " error: " + t);
 240                 }
 241                 }
 242         } else {
 243                 if (logger.isWarnEnabled() == true) {
 244                         logger.warn("MultipartInput part was null for document id = " +
 245                                         docModel.getName());
 246                 }
 247         }
 248         //
 249         //  If the resource's service supports hierarchy then we need to perform a little more work
 250         //
 251         if (supportsHierarchy() == true) {
 252             handleRelationsPayload(wrapDoc, true); // refNames in relations payload should refer to pre-updated record refName value
 253             handleRefNameReferencesUpdate(); // if our refName changed, we need to update any and all relationship records that used the old one
 254         }
 255     }
 256
 257     /**
 258      * Adds the output part.
 259      *
 260      * @param unQObjectProperties the un q object properties
 261      * @param schema the schema
 262      * @param partMeta the part meta
 263      * @throws Exception the exception
 264      * MediaType.APPLICATION_XML_TYPE
 265      */
 266     protected void addOutputPart(Map<String, Object> unQObjectProperties, String schema, ObjectPartType partMeta)
 267             throws Exception {
 268         Element doc = DocumentUtils.buildDocument(partMeta, schema,
 269                 unQObjectProperties);
 270         if (logger.isTraceEnabled() == true) {
 271             logger.trace(doc.asXML());
 272         }
 273         MultipartServiceContext ctx = (MultipartServiceContext) getServiceContext();
 274         ctx.addOutputPart(schema, doc, partMeta.getContent().getContentType());
 275     }
 276
 277     /**
 278      * Extract paging info.
 279      *
 280      * @param commonsList the commons list
 281      * @return the tL
 282      * @throws Exception the exception
 283      */
 284     public TL extractPagingInfo(TL theCommonList, DocumentWrapper<DocumentModelList> wrapDoc)
 285             throws Exception {
 286         AbstractCommonList commonList = (AbstractCommonList) theCommonList;
 287
 288         DocumentFilter docFilter = this.getDocumentFilter();
 289         long pageSize = docFilter.getPageSize();
 290         long pageNum = pageSize != 0 ? docFilter.getOffset() / pageSize : pageSize;
 291         // set the page size and page number
 292         commonList.setPageNum(pageNum);
 293         commonList.setPageSize(pageSize);
 294         DocumentModelList docList = wrapDoc.getWrappedObject();
 295         // Set num of items in list. this is useful to our testing framework.
 296         commonList.setItemsInPage(docList.size());
 297         // set the total result size
 298         commonList.setTotalItems(docList.totalSize());
 299
 300         return (TL) commonList;
 301     }
 302
 303     /* (non-Javadoc)
 304      * @see org.collectionspace.services.nuxeo.client.java.DocumentModelHandler#extractAllParts(org.collectionspace.services.common.document.DocumentWrapper)
 305      */
 306     @Override
 307     public void extractAllParts(DocumentWrapper<DocumentModel> wrapDoc)
 308             throws Exception {
 309
 310         DocumentModel docModel = wrapDoc.getWrappedObject();
 311         String[] schemas = docModel.getDeclaredSchemas();
 312         Map<String, ObjectPartType> partsMetaMap = getServiceContext().getPartsMetadata();
 313         for (String schema : schemas) {
 314             ObjectPartType partMeta = partsMetaMap.get(schema);
 315             if (partMeta == null) {
 316                 continue; // unknown part, ignore
 317             }
 318             Map<String, Object> unQObjectProperties = extractPart(docModel, schema, partMeta);
 319             if(CollectionSpaceClient.COLLECTIONSPACE_CORE_SCHEMA.equals(schema)) {
 320                 addExtraCoreValues(docModel, unQObjectProperties);
 321             }
 322             addOutputPart(unQObjectProperties, schema, partMeta);
 323         }
 324
 325         MultipartServiceContext ctx = (MultipartServiceContext) getServiceContext();
 326
 327         if (supportsHierarchy() == true) {
 328             String showSiblings = ctx.getQueryParams().getFirst(CommonAPI.showSiblings_QP);
 329             if (Tools.isTrue(showSiblings)) {
 330                 showSiblings(wrapDoc, ctx);
 331                 return;   // actual result is returned on ctx.addOutputPart();
 332             }
 333
 334             String showRelations = ctx.getQueryParams().getFirst(CommonAPI.showRelations_QP);
 335             if (Tools.isTrue(showRelations)) {
 336                 showRelations(wrapDoc, ctx);
 337                 return;   // actual result is returned on ctx.addOutputPart();
 338             }
 339
 340             String showAllRelations = ctx.getQueryParams().getFirst(CommonAPI.showAllRelations_QP);
 341             if (Tools.isTrue(showAllRelations)) {
 342                 showAllRelations(wrapDoc, ctx);
 343                 return;   // actual result is returned on ctx.addOutputPart();
 344             }
 345         }
 346
 347         String currentUser = ctx.getUserId();
 348         if (currentUser.equalsIgnoreCase(AuthNContext.ANONYMOUS_USER) == false) {
 349                 addAccountPermissionsPart();
 350         }
 351     }
 352
 353     private void addExtraCoreValues(DocumentModel docModel, Map<String, Object> unQObjectProperties)
 354                 throws Exception {
 355         unQObjectProperties.put(CollectionSpaceClient.COLLECTIONSPACE_CORE_WORKFLOWSTATE, docModel.getCurrentLifeCycleState());
 356     }
 357
 358     private void addAccountPermissionsPart() throws Exception {
 359         Profiler profiler = new Profiler("addAccountPermissionsPart():", 1);
 360         profiler.start();
 361
 362         MultipartServiceContext ctx = (MultipartServiceContext) getServiceContext();
 363         String currentServiceName = ctx.getServiceName();
 364         String workflowSubResource = "/";
 365         JaxRsContext jaxRsContext = ctx.getJaxRsContext();
 366         if (jaxRsContext != null) { // If not null then we're dealing with an authority item
 367                 String resourceName = SecurityUtils.getResourceName(jaxRsContext.getUriInfo());
 368                 workflowSubResource = workflowSubResource + resourceName + WorkflowClient.SERVICE_PATH + "/";
 369         } else {
 370                 workflowSubResource = workflowSubResource + currentServiceName + WorkflowClient.SERVICE_AUTHZ_SUFFIX;
 371         }
 372         AccountPermission accountPermission = JpaStorageUtils.getAccountPermissions(JpaStorageUtils.CS_CURRENT_USER,
 373                         currentServiceName, workflowSubResource);
 374         org.collectionspace.services.authorization.ObjectFactory objectFactory =
 375                 new org.collectionspace.services.authorization.ObjectFactory();
 376         JAXBElement<AccountPermission> ap = objectFactory.createAccountPermission(accountPermission);
 377         PayloadOutputPart accountPermissionPart = new PayloadOutputPart("account_permission", ap); // REM - "account_permission" should be using a constant and not a literal
 378         ctx.addOutputPart(accountPermissionPart);
 379
 380         profiler.stop();
 381     }
 382
 383     /* (non-Javadoc)
 384      * @see org.collectionspace.services.nuxeo.client.java.DocumentModelHandler#fillAllParts(org.collectionspace.services.common.document.DocumentWrapper)
 385      */
 386     @Override
 387     public void fillAllParts(DocumentWrapper<DocumentModel> wrapDoc, Action action) throws Exception {
 388
 389         //TODO filling extension parts should be dynamic
 390         //Nuxeo APIs lack to support stream/byte[] input, get/setting properties is
 391         //not an ideal way of populating objects.
 392         DocumentModel docModel = wrapDoc.getWrappedObject();
 393         MultipartServiceContext ctx = (MultipartServiceContext) getServiceContext();
 394         PoxPayloadIn input = ctx.getInput();
 395         if (input.getParts().isEmpty()) {
 396             String msg = "No payload found!";
 397             logger.error(msg + "Ctx=" + getServiceContext().toString());
 398             throw new BadRequestException(msg);
 399         }
 400
 401         Map<String, ObjectPartType> partsMetaMap = getServiceContext().getPartsMetadata();
 402
 403         //iterate over parts received and fill those parts
 404         List<PayloadInputPart> inputParts = input.getParts();
 405         for (PayloadInputPart part : inputParts) {
 406
 407             String partLabel = part.getLabel();
 408             if (partLabel == null) {
 409                 String msg = "Part label is missing or empty!";
 410                 logger.error(msg + "Ctx=" + getServiceContext().toString());
 411                 throw new BadRequestException(msg);
 412             }
 413
 414             //skip if the part is not in metadata
 415             ObjectPartType partMeta = partsMetaMap.get(partLabel);
 416             if (partMeta == null) {
 417                 continue;
 418             }
 419             fillPart(part, docModel, partMeta, action, ctx);
 420         }//rof
 421
 422     }
 423
 424     /**
 425      * fillPart fills an XML part into given document model
 426      * @param part to fill
 427      * @param docModel for the given object
 428      * @param partMeta metadata for the object to fill
 429      * @throws Exception
 430      */
 431     protected void fillPart(PayloadInputPart part, DocumentModel docModel,
 432             ObjectPartType partMeta, Action action, ServiceContext<PoxPayloadIn, PoxPayloadOut> ctx)
 433             throws Exception {
 434         //check if this is an xml part
 435         if (part.getMediaType().equals(MediaType.APPLICATION_XML_TYPE)) {
 436                 Element element = part.getElementBody();
 437             Map<String, Object> objectProps = DocumentUtils.parseProperties(partMeta, element, ctx);
 438                 if (action == Action.UPDATE) {
 439                     this.filterReadOnlyPropertiesForPart(objectProps, partMeta);
 440                 }
 441                 docModel.setProperties(partMeta.getLabel(), objectProps);
 442             }
 443         }
 444
 445     /**
 446      * Filters out read only properties, so they cannot be set on update.
 447      * TODO: add configuration support to do this generally
 448      * @param objectProps the properties parsed from the update payload
 449      * @param partMeta metadata for the object to fill
 450      */
 451     public void filterReadOnlyPropertiesForPart(
 452             Map<String, Object> objectProps, ObjectPartType partMeta) {
 453         // Should add in logic to filter most of the core items on update
 454         if(partMeta.getLabel().equalsIgnoreCase(CollectionSpaceClient.COLLECTIONSPACE_CORE_SCHEMA)) {
 455                 objectProps.remove(CollectionSpaceClient.COLLECTIONSPACE_CORE_CREATED_AT);
 456                 objectProps.remove(CollectionSpaceClient.COLLECTIONSPACE_CORE_CREATED_BY);
 457                 objectProps.remove(CollectionSpaceClient.COLLECTIONSPACE_CORE_URI);
 458                 objectProps.remove(CollectionSpaceClient.COLLECTIONSPACE_CORE_TENANTID);
 459                 // Note that the updatedAt/updatedBy fields are set internally
 460                 // in DocumentModelHandler.handleCoreValues().
 461         }
 462     }
 463
 464     /**
 465      * extractPart extracts an XML object from given DocumentModel
 466      * @param docModel
 467      * @param schema of the object to extract
 468      * @param partMeta metadata for the object to extract
 469      * @throws Exception
 470      */
 471     protected Map<String, Object> extractPart(DocumentModel docModel, String schema)
 472             throws Exception {
 473         return extractPart(docModel, schema, (Map<String, Object>)null);
 474     }
 475
 476     /**
 477      * extractPart extracts an XML object from given DocumentModel
 478      * @param docModel
 479      * @param schema of the object to extract
 480      * @param partMeta metadata for the object to extract
 481      * @throws Exception
 482      */
 483     @Deprecated
 484     protected Map<String, Object> extractPart(DocumentModel docModel, String schema, ObjectPartType partMeta)
 485             throws Exception {
 486         return extractPart(docModel, schema, partMeta, null);
 487     }
 488
 489     /**
 490      * extractPart extracts an XML object from given DocumentModel
 491      * @param docModel
 492      * @param schema of the object to extract
 493      * @param partMeta metadata for the object to extract
 494      * @throws Exception
 495      */
 496     protected Map<String, Object> extractPart(
 497             DocumentModel docModel,
 498             String schema,
 499             Map<String, Object> addToMap)
 500             throws Exception {
 501         Map<String, Object> result = null;
 502
 503         Map<String, Object> objectProps = docModel.getProperties(schema);
 504         if (objectProps != null) {
 505                 //unqualify properties before sending the doc over the wire (to save bandwidh)
 506                 //FIXME: is there a better way to avoid duplication of a Map/Collection?
 507                 Map<String, Object> unQObjectProperties =
 508                         (addToMap != null) ? addToMap : (new HashMap<String, Object>());
 509                 Set<Entry<String, Object>> qualifiedEntries = objectProps.entrySet();
 510                 for (Entry<String, Object> entry : qualifiedEntries) {
 511                     String unqProp = getUnQProperty(entry.getKey());
 512                     unQObjectProperties.put(unqProp, entry.getValue());
 513                 }
 514                 result = unQObjectProperties;
 515         }
 516
 517         return result;
 518     }
 519
 520     /**
 521      * extractPart extracts an XML object from given DocumentModel
 522      * @param docModel
 523      * @param schema of the object to extract
 524      * @param partMeta metadata for the object to extract
 525      * @throws Exception
 526      */
 527     @Deprecated
 528     protected Map<String, Object> extractPart(
 529             DocumentModel docModel, String schema, ObjectPartType partMeta,
 530             Map<String, Object> addToMap)
 531             throws Exception {
 532         Map<String, Object> result = null;
 533
 534         result = this.extractPart(docModel, schema, addToMap);
 535
 536         return result;
 537     }
 538
 539     /*
 540     public String getStringPropertyFromDoc(
 541                 ServiceContext ctx,
 542                 String csid,
 543                 String propertyXPath ) throws DocumentNotFoundException, DocumentException {
 544         RepositoryInstance repoSession = null;
 545         boolean releaseRepoSession = false;
 546         String returnValue = null;
 547
 548         try{
 549                 RepositoryJavaClientImpl repoClient = (RepositoryJavaClientImpl)this.getRepositoryClient(ctx);
 550                 repoSession = this.getRepositorySession();
 551                 if (repoSession == null) {
 552                         repoSession = repoClient.getRepositorySession();
 553                         releaseRepoSession = true;
 554                 }
 555
 556                 try {
 557                         DocumentWrapper<DocumentModel> wrapper = repoClient.getDoc(repoSession, ctx, csid);
 558                         DocumentModel docModel = wrapper.getWrappedObject();
 559                         returnValue = (String) docModel.getPropertyValue(propertyXPath);
 560                 } catch (PropertyException pe) {
 561                         throw pe;
 562                 } catch (DocumentException de) {
 563                         throw de;
 564                 } catch (Exception e) {
 565                         if (logger.isDebugEnabled()) {
 566                                 logger.debug("Caught exception ", e);
 567                         }
 568                         throw new DocumentException(e);
 569                 } finally {
 570                         if (releaseRepoSession && repoSession != null) {
 571                                 repoClient.releaseRepositorySession(repoSession);
 572                         }
 573                 }
 574         } catch (Exception e) {
 575                 if (logger.isDebugEnabled()) {
 576                         logger.debug("Caught exception ", e);
 577                 }
 578                 throw new DocumentException(e);
 579         }
 580
 581
 582         if (logger.isWarnEnabled() == true) {
 583                 logger.warn("Returned DocumentModel instance was created with a repository session that is now closed.");
 584         }
 585         return returnValue;
 586     }
 587      */
 588
 589
 590
 591     /* (non-Javadoc)
 592      * @see org.collectionspace.services.nuxeo.client.java.DocumentModelHandler#getAuthorityRefs(org.collectionspace.services.common.document.DocumentWrapper, java.util.List)
 593      */
 594     @Override
 595     public AuthorityRefList getAuthorityRefs(
 596             String csid,
 597             List<AuthRefConfigInfo> authRefsInfo) throws PropertyException, Exception {
 598
 599         AuthorityRefList authRefList = new AuthorityRefList();
 600         AbstractCommonList commonList = (AbstractCommonList) authRefList;
 601
 602         DocumentFilter docFilter = this.getDocumentFilter();
 603         long pageSize = docFilter.getPageSize();
 604         long pageNum = pageSize != 0 ? docFilter.getOffset() / pageSize : pageSize;
 605         // set the page size and page number
 606         commonList.setPageNum(pageNum);
 607         commonList.setPageSize(pageSize);
 608
 609         List<AuthorityRefList.AuthorityRefItem> list = authRefList.getAuthorityRefItem();
 610
 611         try {
 612                 int iFirstToUse = (int)(pageSize*pageNum);
 613                 int nFoundInPage = 0;
 614                 int nFoundTotal = 0;
 615
 616                 ArrayList<RefNameServiceUtils.AuthRefInfo> foundProps
 617                         = new ArrayList<RefNameServiceUtils.AuthRefInfo>();
 618
 619                 boolean releaseRepoSession = false;
 620                 ServiceContext<PoxPayloadIn, PoxPayloadOut> ctx = this.getServiceContext();
 621                 RepositoryJavaClientImpl repoClient = (RepositoryJavaClientImpl)this.getRepositoryClient(ctx);
 622                 RepositoryInstanceInterface repoSession = this.getRepositorySession();
 623                 if (repoSession == null) {
 624                         repoSession = repoClient.getRepositorySession(ctx);
 625                         releaseRepoSession = true;
 626                 }
 627
 628                 try {
 629                         DocumentModel docModel = repoClient.getDoc(repoSession, ctx, csid).getWrappedObject();
 630                         RefNameServiceUtils.findAuthRefPropertiesInDoc(docModel, authRefsInfo, null, foundProps);
 631                         // Slightly goofy pagination support - how many refs do we expect from one object?
 632                         for(RefNameServiceUtils.AuthRefInfo ari:foundProps) {
 633                                 if((nFoundTotal >= iFirstToUse) && (nFoundInPage < pageSize)) {
 634                                         if(appendToAuthRefsList(ari, list)) {
 635                                                 nFoundInPage++;
 636                                         nFoundTotal++;
 637                                         }
 638                                 } else {
 639                                         nFoundTotal++;
 640                                 }
 641                         }
 642                 } finally {
 643                         if (releaseRepoSession == true) {
 644                                 repoClient.releaseRepositorySession(ctx, repoSession);
 645                         }
 646                 }
 647
 648             // Set num of items in list. this is useful to our testing framework.
 649             commonList.setItemsInPage(nFoundInPage);
 650             // set the total result size
 651             commonList.setTotalItems(nFoundTotal);
 652
 653         } catch (PropertyException pe) {
 654             String msg = "Attempted to retrieve value for invalid or missing authority field. "
 655                     + "Check authority field properties in tenant bindings.";
 656             logger.warn(msg, pe);
 657             throw pe;
 658         } catch (Exception e) {
 659             if (logger.isDebugEnabled()) {
 660                 logger.debug("Caught exception in getAuthorityRefs", e);
 661             }
 662             Response response = Response.status(
 663                     Response.Status.INTERNAL_SERVER_ERROR).entity(
 664                     "Failed to retrieve authority references").type(
 665                     "text/plain").build();
 666             throw new CSWebApplicationException(e, response);
 667         }
 668
 669         return authRefList;
 670     }
 671
 672     private boolean appendToAuthRefsList(RefNameServiceUtils.AuthRefInfo ari,
 673                                                 List<AuthorityRefList.AuthorityRefItem> list)
 674             throws Exception {
 675         String fieldName = ari.getQualifiedDisplayName();
 676         try {
 677                         String refNameValue = (String)ari.getProperty().getValue();
 678                         AuthorityRefList.AuthorityRefItem item = authorityRefListItem(fieldName, refNameValue);
 679                         if(item!=null) {        // ignore garbage values.
 680                                 list.add(item);
 681                                 return true;
 682                         }
 683         } catch(PropertyException pe) {
 684                         logger.debug("PropertyException on: "+ari.getProperty().getPath()+pe.getLocalizedMessage());
 685         }
 686         return false;
 687     }
 688
 689     private AuthorityRefList.AuthorityRefItem authorityRefListItem(String authRefFieldName, String refName) {
 690
 691         AuthorityRefList.AuthorityRefItem ilistItem = new AuthorityRefList.AuthorityRefItem();
 692         try {
 693             RefNameUtils.AuthorityTermInfo termInfo = RefNameUtils.parseAuthorityTermInfo(refName);
 694             ilistItem.setRefName(refName);
 695             ilistItem.setAuthDisplayName(termInfo.inAuthority.displayName);
 696             ilistItem.setItemDisplayName(termInfo.displayName);
 697             ilistItem.setSourceField(authRefFieldName);
 698             ilistItem.setUri(termInfo.getRelativeUri());
 699         } catch (Exception e) {
 700                 logger.error("Trouble parsing refName from value: "+refName+" in field: "+authRefFieldName+e.getLocalizedMessage());
 701                 ilistItem = null;
 702         }
 703         return ilistItem;
 704     }
 705
 706     /**
 707      * Returns the primary value from a list of values.
 708      *
 709      * Assumes that the first value is the primary value.
 710      * This assumption may change when and if the primary value
 711      * is identified explicitly.
 712      *
 713      * @param values a list of values.
 714      * @param propertyName the name of a property through
 715      *     which the value can be extracted.
 716      * @return the primary value.
 717     protected String primaryValueFromMultivalue(List<Object> values, String propertyName) {
 718         String primaryValue = "";
 719         if (values == null || values.size() == 0) {
 720             return primaryValue;
 721         }
 722         Object value = values.get(0);
 723         if (value instanceof String) {
 724             if (value != null) {
 725                 primaryValue = (String) value;
 726             }
 727        // Multivalue group of fields
 728        } else if (value instanceof Map) {
 729             if (value != null) {
 730                 Map map = (Map) value;
 731                 if (map.values().size() > 0) {
 732                     if (map.get(propertyName) != null) {
 733                       primaryValue = (String) map.get(propertyName);
 734                     }
 735                 }
 736             }
 737        } else {
 738             logger.warn("Unexpected type for property " + propertyName
 739                     + " in multivalue list: not String or Map.");
 740        }
 741        return primaryValue;
 742     }
 743      */
 744
 745     /**
 746      * Gets a simple property from the document.
 747      *
 748      * For completeness, as this duplicates DocumentModel method.
 749      *
 750      * @param docModel The document model to get info from
 751      * @param schema The name of the schema (part)
 752      * @param propertyName The simple scalar property type
 753      * @return property value as String
 754      */
 755     protected String getSimpleStringProperty(DocumentModel docModel, String schema, String propName) {
 756         String xpath = "/"+schema+":"+propName;
 757         try {
 758                 return (String)docModel.getPropertyValue(xpath);
 759         } catch(PropertyException pe) {
 760                 throw new RuntimeException("Problem retrieving property {"+xpath+"}. Not a simple String property?"
 761                                 +pe.getLocalizedMessage());
 762         } catch(ClassCastException cce) {
 763                 throw new RuntimeException("Problem retrieving property {"+xpath+"} as String. Not a scalar String property?"
 764                                 +cce.getLocalizedMessage());
 765         } catch(Exception e) {
 766                 throw new RuntimeException("Unknown problem retrieving property {"+xpath+"}."
 767                                 +e.getLocalizedMessage());
 768         }
 769     }
 770
 771     /**
 772      * Gets first of a repeating list of scalar values, as a String, from the document.
 773      *
 774      * @param docModel The document model to get info from
 775      * @param schema The name of the schema (part)
 776      * @param listName The name of the scalar list property
 777      * @return first value in list, as a String, or empty string if the list is empty
 778      */
 779     protected String getFirstRepeatingStringProperty(
 780                 DocumentModel docModel, String schema, String listName) {
 781         String xpath = "/"+schema+":"+listName+"/[0]";
 782         try {
 783                 return (String)docModel.getPropertyValue(xpath);
 784         } catch(PropertyException pe) {
 785                 throw new RuntimeException("Problem retrieving property {"+xpath+"}. Not a repeating scalar?"
 786                                 +pe.getLocalizedMessage());
 787         } catch(IndexOutOfBoundsException ioobe) {
 788                 // Nuxeo sometimes handles missing sub, and sometimes does not. Odd.
 789                 return "";      // gracefully handle missing elements
 790         } catch(ClassCastException cce) {
 791                 throw new RuntimeException("Problem retrieving property {"+xpath+"} as String. Not a repeating String property?"
 792                                 +cce.getLocalizedMessage());
 793         } catch(Exception e) {
 794                 throw new RuntimeException("Unknown problem retrieving property {"+xpath+"}."
 795                                 +e.getLocalizedMessage());
 796         }
 797     }
 798
 799
 800     /**
 801      * Gets first of a repeating list of scalar values, as a String, from the document.
 802      *
 803      * @param docModel The document model to get info from
 804      * @param schema The name of the schema (part)
 805      * @param listName The name of the scalar list property
 806      * @return first value in list, as a String, or empty string if the list is empty
 807      */
 808     protected String getStringValueInPrimaryRepeatingComplexProperty(
 809                 DocumentModel docModel, String schema, String complexPropertyName, String fieldName) {
 810         String result = null;
 811
 812         String xpath = "/" + NuxeoUtils.getPrimaryXPathPropertyName(schema, complexPropertyName, fieldName);
 813         try {
 814                 result = (String)docModel.getPropertyValue(xpath);
 815         } catch(PropertyException pe) {
 816                 throw new RuntimeException("Problem retrieving property {"+xpath+"}. Bad propertyNames?"
 817                                 +pe.getLocalizedMessage());
 818         } catch(IndexOutOfBoundsException ioobe) {
 819                 // Nuxeo sometimes handles missing sub, and sometimes does not. Odd.
 820                 result = "";    // gracefully handle missing elements
 821         } catch(ClassCastException cce) {
 822                 throw new RuntimeException("Problem retrieving property {"+xpath+"} as String. Not a String property?"
 823                                 +cce.getLocalizedMessage());
 824         } catch(Exception e) {
 825                 throw new RuntimeException("Unknown problem retrieving property {"+xpath+"}."
 826                                 +e.getLocalizedMessage());
 827         }
 828
 829         return result;
 830     }
 831
 832     /**
 833      * Gets XPath value from schema. Note that only "/" and "[n]" are
 834      * supported for xpath. Can omit grouping elements for repeating complex types,
 835      * e.g., "fieldList/[0]" can be used as shorthand for "fieldList/field[0]" and
 836      * "fieldGroupList/[0]/field" can be used as shorthand for "fieldGroupList/fieldGroup[0]/field".
 837      * If there are no entries for a list of scalars or for a list of complex types,
 838      * a 0 index expression (e.g., "fieldGroupList/[0]/field") will safely return an empty
 839      * string. A non-zero index will throw an IndexOutOfBoundsException if there are not
 840      * that many elements in the list.
 841      * N.B.: This does not follow the XPath spec - indices are 0-based, not 1-based.
 842      *
 843      * @param docModel The document model to get info from
 844      * @param schema The name of the schema (part)
 845      * @param xpath The XPath expression (without schema prefix)
 846      * @return value the indicated property value as a String
 847      * @throws DocumentException
 848      */
 849         protected Object getListResultValue(DocumentModel docModel, // REM - CSPACE-5133
 850                         String schema, ListResultField field) throws DocumentException {
 851                 Object result = null;
 852
 853                 result = NuxeoUtils.getXPathValue(docModel, schema, field.getXpath());
 854
 855                 return result;
 856         }
 857
 858         protected String getStringValue(DocumentModel docModel,
 859                         String schema, ListResultField field) throws DocumentException {
 860                 String result = null;
 861
 862                 Object value = getListResultValue(docModel, schema, field);
 863                 if (value != null && value instanceof String) {
 864                         String strValue = (String) value;
 865                         if (strValue.trim().isEmpty() == false) {
 866                                 result = strValue;
 867                         }
 868                 }
 869
 870                 return result;
 871         }
 872
 873     protected void removeFromList(List<RelationsCommonList.RelationListItem> list, RelationsCommonList.RelationListItem item) {
 874         list.remove(item);
 875     }
 876
 877     private void itemToString(StringBuilder sb, String prefix, RelationsCommonList.RelationListItem item ) {
 878         sb.append(prefix);
 879                 sb.append((item.getCsid()!= null)?item.getCsid():"NO CSID");
 880         sb.append(": [");
 881         sb.append((item.getSubject().getCsid()!=null)?item.getSubject().getCsid():item.getSubject().getRefName());
 882         sb.append("]--");
 883         sb.append(item.getPredicate());
 884         sb.append("-->[");
 885         sb.append((item.getObject().getCsid()!=null)?item.getObject().getCsid():item.getObject().getRefName());
 886         sb.append("]");
 887     }
 888
 889     private String dumpList(List<RelationsCommonList.RelationListItem> list, String label) {
 890         StringBuilder sb = new StringBuilder();
 891         String s;
 892         if (list.size() > 0) {
 893             sb.append("=========== " + label + " ==========" + CR);
 894         }
 895         for (RelationsCommonList.RelationListItem item : list) {
 896                 itemToString(sb, "==  ", item);
 897                 sb.append(CR);
 898         }
 899         return sb.toString();
 900     }
 901
 902     /** @return null on parent not found
 903      */
 904     protected String getParentCSID(String thisCSID) throws Exception {
 905         String parentCSID = null;
 906         try {
 907             String predicate = RelationshipType.HAS_BROADER.value();
 908             RelationsCommonList parentListOuter = getRelations(thisCSID, null, predicate);
 909             List<RelationsCommonList.RelationListItem> parentList = parentListOuter.getRelationListItem();
 910             if (parentList != null) {
 911                 if (parentList.size() == 0) {
 912                     return null;
 913                 }
 914                 RelationsCommonList.RelationListItem relationListItem = parentList.get(0);
 915                 parentCSID = relationListItem.getObjectCsid();
 916             }
 917             return parentCSID;
 918         } catch (Exception e) {
 919             logger.error("Could not find parent for this: " + thisCSID, e);
 920             return null;
 921         }
 922     }
 923
 924     protected List<RelationsCommonList.RelationListItem> newRelationsCommonList() {
 925         List<RelationsCommonList.RelationListItem> result = new ArrayList<RelationsCommonList.RelationListItem>();
 926         return result;
 927     }
 928
 929     public void showSiblings(DocumentWrapper<DocumentModel> wrapDoc,
 930             MultipartServiceContext ctx) throws Exception {
 931         String thisCSID = NuxeoUtils.getCsid(wrapDoc.getWrappedObject());
 932         String parentCSID = getParentCSID(thisCSID);
 933         if (parentCSID == null) {
 934             logger.warn("~~~~~\r\n~~~~ Could not find parent for this: " + thisCSID);
 935             return;
 936         }
 937
 938         String predicate = RelationshipType.HAS_BROADER.value();
 939         RelationsCommonList siblingListOuter = getRelations(null, parentCSID, predicate);
 940         List<RelationsCommonList.RelationListItem> siblingList = siblingListOuter.getRelationListItem();
 941
 942         List<RelationsCommonList.RelationListItem> toRemoveList = newRelationsCommonList();
 943
 944
 945         RelationsCommonList.RelationListItem item = null;
 946         for (RelationsCommonList.RelationListItem sibling : siblingList) {
 947             if (thisCSID.equals(sibling.getSubjectCsid())) {
 948                 toRemoveList.add(sibling);   //IS_A copy of the main item, i.e. I have a parent that is my parent, so I'm in the list from the above query.
 949             }
 950         }
 951         //rather than create an immutable iterator, I'm just putting the items to remove on a separate list, then looping over that list and removing.
 952         for (RelationsCommonList.RelationListItem self : toRemoveList) {
 953             removeFromList(siblingList, self);
 954         }
 955
 956         long siblingSize = siblingList.size();
 957         siblingListOuter.setTotalItems(siblingSize);
 958         siblingListOuter.setItemsInPage(siblingSize);
 959         if(logger.isTraceEnabled()) {
 960             String dump = dumpList(siblingList, "Siblings of: "+thisCSID);
 961             logger.trace("~~~~~~~~~~~~~~~~~~~~~~ showSiblings ~~~~~~~~~~~~~~~~~~~~~~~~" + CR + dump);
 962         }
 963
 964         PayloadOutputPart relationsPart = new PayloadOutputPart(RelationClient.SERVICE_COMMON_LIST_NAME, siblingListOuter);
 965         ctx.addOutputPart(relationsPart);
 966     }
 967
 968     public void showRelations(DocumentWrapper<DocumentModel> wrapDoc,
 969             MultipartServiceContext ctx) throws Exception {
 970         String thisCSID = NuxeoUtils.getCsid(wrapDoc.getWrappedObject());
 971
 972         String predicate = RelationshipType.HAS_BROADER.value();
 973         RelationsCommonList parentListOuter = getRelations(thisCSID, null, predicate);
 974         List<RelationsCommonList.RelationListItem> parentList = parentListOuter.getRelationListItem();
 975
 976         RelationsCommonList childrenListOuter = getRelations(null, thisCSID, predicate);
 977         List<RelationsCommonList.RelationListItem> childrenList = childrenListOuter.getRelationListItem();
 978
 979         if(logger.isTraceEnabled()) {
 980             String dump = dumpLists(thisCSID, parentList, childrenList, null);
 981             logger.trace("~~~~~~~~~~~~~~~~~~~~~~ showRelations ~~~~~~~~~~~~~~~~~~~~~~~~" + CR + dump);
 982         }
 983
 984         //Assume that there are more children than parents.  Will be true for parent/child, but maybe not for other relations.
 985         //Now add all parents to our childrenList, to be able to return just one list of consolidated results.
 986         //Not optimal, but that's the current design spec.
 987         long added = 0;
 988         for (RelationsCommonList.RelationListItem parent : parentList) {
 989             childrenList.add(parent);
 990             added++;
 991         }
 992         long childrenSize = childrenList.size();
 993         childrenListOuter.setTotalItems(childrenSize);
 994         childrenListOuter.setItemsInPage(childrenListOuter.getItemsInPage() + added);
 995
 996         PayloadOutputPart relationsPart = new PayloadOutputPart(RelationClient.SERVICE_COMMON_LIST_NAME, childrenListOuter);
 997         ctx.addOutputPart(relationsPart);
 998     }
 999
1000     public void showAllRelations(DocumentWrapper<DocumentModel> wrapDoc, MultipartServiceContext ctx) throws Exception {
1001         String thisCSID = NuxeoUtils.getCsid(wrapDoc.getWrappedObject());
1002
1003         RelationsCommonList subjectListOuter = getRelations(thisCSID, null, null);   //  nulls are wildcards:  predicate=*, and object=*
1004         List<RelationsCommonList.RelationListItem> subjectList = subjectListOuter.getRelationListItem();
1005
1006         RelationsCommonList objectListOuter = getRelations(null, thisCSID, null);   //  nulls are wildcards:  subject=*, and predicate=*
1007         List<RelationsCommonList.RelationListItem> objectList = objectListOuter.getRelationListItem();
1008
1009         if(logger.isTraceEnabled()) {
1010             String dump = dumpLists(thisCSID, subjectList, objectList, null);
1011             logger.trace("~~~~~~~~~~~~~~~~~~~~~~ showAllRelations ~~~~~~~~~~~~~~~~~~~~~~~~" + CR + dump);
1012         }
1013         //  MERGE LISTS:
1014         subjectList.addAll(objectList);
1015
1016         //now subjectList actually has records BOTH where thisCSID is subject and object.
1017         long relatedSize = subjectList.size();
1018         subjectListOuter.setTotalItems(relatedSize);
1019         subjectListOuter.setItemsInPage(relatedSize);
1020
1021         PayloadOutputPart relationsPart = new PayloadOutputPart(RelationClient.SERVICE_COMMON_LIST_NAME, subjectListOuter);
1022         ctx.addOutputPart(relationsPart);
1023     }
1024
1025     private String dumpLists(String itemCSID,
1026             List<RelationsCommonList.RelationListItem> parentList,
1027             List<RelationsCommonList.RelationListItem> childList,
1028             List<RelationsCommonList.RelationListItem> actionList) {
1029         StringBuilder sb = new StringBuilder();
1030         sb.append("itemCSID: " + itemCSID + CR);
1031         if(parentList!=null) {
1032                 sb.append(dumpList(parentList, "parentList"));
1033         }
1034         if(childList!=null) {
1035                 sb.append(dumpList(childList, "childList"));
1036         }
1037         if(actionList!=null) {
1038                 sb.append(dumpList(actionList, "actionList"));
1039         }
1040         return sb.toString();
1041     }
1042
1043     //================= TODO: move this to common, refactoring this and  CollectionObjectResource.java
1044     public RelationsCommonList getRelations(String subjectCSID, String objectCSID, String predicate) throws Exception {
1045         ServiceContext<PoxPayloadIn, PoxPayloadOut> ctx = getServiceContext();
1046         MultivaluedMap<String, String> queryParams = ctx.getQueryParams();
1047         queryParams.putSingle(IRelationsManager.PREDICATE_QP, predicate);
1048         queryParams.putSingle(IRelationsManager.SUBJECT_QP, subjectCSID);
1049         queryParams.putSingle(IRelationsManager.OBJECT_QP, objectCSID);
1050
1051         RelationResource relationResource = new RelationResource(); //is this still acting like a singleton as it should be?
1052         RelationsCommonList relationsCommonList = relationResource.getList(ctx);
1053         return relationsCommonList;
1054     }
1055     //============================= END TODO refactor ==========================
1056
1057     // this method calls the RelationResource to have it create the relations and persist them.
1058     private void createRelations(List<RelationsCommonList.RelationListItem> inboundList,
1059                 ServiceContext<PoxPayloadIn, PoxPayloadOut> ctx) throws Exception {
1060         for (RelationsCommonList.RelationListItem item : inboundList) {
1061             RelationsCommon rc = new RelationsCommon();
1062             //rc.setCsid(item.getCsid());
1063             //todo: assignTo(item, rc);
1064             RelationsDocListItem itemSubject = item.getSubject();
1065             RelationsDocListItem itemObject = item.getObject();
1066
1067             // Set at least one of CSID and refName for Subject and Object
1068             // Either value might be null for for each of Subject and Object
1069             String subjectCsid = itemSubject.getCsid();
1070             rc.setSubjectCsid(subjectCsid);
1071
1072             String objCsid = itemObject.getCsid();
1073             rc.setObjectCsid(objCsid);
1074
1075             rc.setSubjectRefName(itemSubject.getRefName());
1076             rc.setObjectRefName(itemObject.getRefName());
1077
1078             rc.setRelationshipType(item.getPredicate());
1079             rc.setRelationshipMetaType(item.getRelationshipMetaType());
1080             //RelationshipType  foo = (RelationshipType.valueOf(item.getPredicate())) ;
1081             //rc.setPredicate(foo);     //this must be one of the type found in the enum in  services/jaxb/src/main/resources/relations_common.xsd
1082
1083             // This is superfluous, since it will be fetched by the Relations Create logic.
1084             rc.setSubjectDocumentType(itemSubject.getDocumentType());
1085             rc.setObjectDocumentType(itemObject.getDocumentType());
1086
1087             // This is superfluous, since it will be fetched by the Relations Create logic.
1088             rc.setSubjectUri(itemSubject.getUri());
1089             rc.setObjectUri(itemObject.getUri());
1090             // May not have the info here. Only really require CSID or refName.
1091             // Rest is handled in the Relation create mechanism
1092             //uriPointsToSameAuthority(itemSubject.getUri(), itemObject.getUri());
1093
1094             PoxPayloadOut payloadOut = new PoxPayloadOut(RelationClient.SERVICE_PAYLOAD_NAME);
1095             PayloadOutputPart outputPart = new PayloadOutputPart(RelationClient.SERVICE_COMMONPART_NAME, rc);
1096             payloadOut.addPart(outputPart);
1097             RelationResource relationResource = new RelationResource();
1098             Response res = relationResource.create(ctx, ctx.getResourceMap(),
1099                     ctx.getUriInfo(), payloadOut.toXML());    //NOTE ui recycled from above to pass in unknown query params.
1100         }
1101     }
1102
1103     // Note that item2 may be sparse (only refName, no CSID for subject or object)
1104     // But item1 must not be sparse
1105     private boolean itemsEqual(RelationsCommonList.RelationListItem item1, RelationsCommonList.RelationListItem item2) {
1106         if (item1 == null || item2 == null) {
1107             return false;
1108         }
1109         RelationsDocListItem subj1 = item1.getSubject();
1110         RelationsDocListItem subj2 = item2.getSubject();
1111         RelationsDocListItem obj1 = item1.getObject();
1112         RelationsDocListItem obj2 = item2.getObject();
1113
1114         String subj1Csid = subj1.getCsid();
1115         String subj2Csid = subj2.getCsid();
1116         String subj1RefName = subj1.getRefName();
1117         String subj2RefName = subj2.getRefName();
1118
1119         String obj1Csid = obj1.getCsid();
1120         String obj2Csid = obj2.getCsid();
1121         String obj1RefName = obj1.getRefName();
1122         String obj2RefName = obj2.getRefName();
1123
1124         String item1Metatype = item1.getRelationshipMetaType();
1125         item1Metatype = item1Metatype != null ? item1Metatype : EMPTYSTR;
1126
1127         String item2Metatype = item2.getRelationshipMetaType();
1128         item2Metatype = item2Metatype != null ? item2Metatype : EMPTYSTR;
1129
1130         boolean isEqual = (subj1Csid.equals(subj2Csid) || ((subj2Csid==null)  && subj1RefName.equals(subj2RefName)))
1131                 && (obj1Csid.equals(obj2Csid)   || ((obj2Csid==null)   && obj1RefName.equals(obj2RefName)))
1132                 // predicate is proper, but still allow relationshipType
1133                 && (item1.getPredicate().equals(item2.getPredicate())
1134                         ||  ((item2.getPredicate()==null)  && item1.getRelationshipType().equals(item2.getRelationshipType())))
1135                 // Allow missing docTypes, so long as they do not conflict
1136                 && (obj1.getDocumentType().equals(obj2.getDocumentType()) || obj2.getDocumentType()==null)
1137                 && (subj1.getDocumentType().equals(subj2.getDocumentType()) || subj2.getDocumentType()==null)
1138                 && (item1Metatype.equalsIgnoreCase(item2Metatype));
1139         return isEqual;
1140     }
1141
1142     // Note that the item argument may be sparse (only refName, no CSID for subject or object)
1143     // But the list items must not be sparse
1144     private RelationsCommonList.RelationListItem findInList(
1145                 List<RelationsCommonList.RelationListItem> list,
1146                 RelationsCommonList.RelationListItem item) {
1147         RelationsCommonList.RelationListItem foundItem = null;
1148         for (RelationsCommonList.RelationListItem listItem : list) {
1149             if (itemsEqual(listItem, item)) {   //equals must be defined, else
1150                 foundItem = listItem;
1151                 break;
1152             }
1153         }
1154         return foundItem;
1155     }
1156
1157     /**  updateRelations strategy:
1158      *
1159      *
1160     go through inboundList, remove anything from childList that matches  from childList
1161     go through inboundList, remove anything from parentList that matches  from parentList
1162     go through parentList, delete all remaining
1163     go through childList, delete all remaining
1164     go through actionList, add all remaining.
1165     check for duplicate children
1166     check for more than one parent.
1167
1168     inboundList                           parentList                      childList          actionList
1169     ----------------                          ---------------                  ----------------       ----------------
1170     child-a                                   parent-c                        child-a             child-b
1171     child-b                                   parent-d                        child-c
1172     parent-a
1173      *
1174      *
1175      */
1176     private RelationsCommonList updateRelations(
1177             String itemCSID, PoxPayloadIn input, DocumentWrapper<DocumentModel> wrapDoc, boolean fUpdate)
1178             throws Exception {
1179         if (logger.isTraceEnabled()) {
1180             logger.trace("AuthItemDocHndler.updateRelations for: " + itemCSID);
1181         }
1182         PayloadInputPart part = input.getPart(RelationClient.SERVICE_COMMON_LIST_NAME);        //input.getPart("relations_common");
1183         if (part == null) {
1184             return null;  //nothing to do--they didn't send a list of relations.
1185         }
1186         RelationsCommonList relationsCommonListBody = (RelationsCommonList) part.getBody();
1187         List<RelationsCommonList.RelationListItem> inboundList = relationsCommonListBody.getRelationListItem();
1188         List<RelationsCommonList.RelationListItem> actionList = newRelationsCommonList();
1189         List<RelationsCommonList.RelationListItem> childList = null;
1190         List<RelationsCommonList.RelationListItem> parentList = null;
1191         DocumentModel docModel = wrapDoc.getWrappedObject();
1192                 String itemRefName = (String) docModel.getProperty(CollectionSpaceClient.COLLECTIONSPACE_CORE_SCHEMA,
1193                         CollectionSpaceClient.COLLECTIONSPACE_CORE_REFNAME);
1194
1195                 ServiceContext<PoxPayloadIn, PoxPayloadOut> ctx = getServiceContext();
1196         //Do magic replacement of ${itemCSID} and fix URI's.
1197         fixupInboundListItems(ctx, inboundList, docModel, itemCSID);
1198
1199         String HAS_BROADER = RelationshipType.HAS_BROADER.value();
1200         UriInfo uriInfo = ctx.getUriInfo();
1201         MultivaluedMap<String, String> queryParams = uriInfo.getQueryParameters();
1202
1203         if (fUpdate) {
1204             //Run getList() once as sent to get childListOuter:
1205             String predicate = RelationshipType.HAS_BROADER.value();
1206             queryParams.putSingle(IRelationsManager.PREDICATE_QP, predicate);
1207             queryParams.putSingle(IRelationsManager.SUBJECT_QP, null);
1208             queryParams.putSingle(IRelationsManager.SUBJECT_TYPE_QP, null);
1209             queryParams.putSingle(IRelationsManager.OBJECT_QP, itemCSID);
1210             queryParams.putSingle(IRelationsManager.OBJECT_TYPE_QP, null);
1211
1212             RelationResource relationResource = new RelationResource();
1213             RelationsCommonList childListOuter = relationResource.getList(ctx);    // Knows all query params because they are in the context.
1214
1215             //Now run getList() again, leaving predicate, swapping subject and object, to get parentListOuter.
1216             queryParams.putSingle(IRelationsManager.PREDICATE_QP, predicate);
1217             queryParams.putSingle(IRelationsManager.SUBJECT_QP, itemCSID);
1218             queryParams.putSingle(IRelationsManager.OBJECT_QP, null);
1219             RelationsCommonList parentListOuter = relationResource.getList(ctx);
1220
1221
1222             childList = childListOuter.getRelationListItem();
1223             parentList = parentListOuter.getRelationListItem();
1224
1225             if (parentList.size() > 1) {
1226                 throw new Exception("Too many parents for object: " + itemCSID + " list: " + dumpList(parentList, "parentList"));
1227             }
1228
1229             if (logger.isTraceEnabled()) {
1230                 logger.trace("AuthItemDocHndler.updateRelations for: " + itemCSID + " got existing relations.");
1231             }
1232         }
1233
1234         for (RelationsCommonList.RelationListItem inboundItem : inboundList) {
1235             // Note that the relations may specify the other (non-item) bit with a refName, not a CSID,
1236             // and so the CSID for those may be null
1237             if(inboundItem.getPredicate().equals(HAS_BROADER)) {
1238                 // Look for parents and children
1239                 if(itemCSID.equals(inboundItem.getObject().getCsid())
1240                                 || itemRefName.equals(inboundItem.getObject().getRefName())) {
1241                         //then this is an item that says we have a child.  That child is inboundItem
1242                         RelationsCommonList.RelationListItem childItem =
1243                                         (childList == null) ? null : findInList(childList, inboundItem);
1244                         if (childItem != null) {
1245                         if (logger.isTraceEnabled()) {
1246                                 StringBuilder sb = new StringBuilder();
1247                                 itemToString(sb, "== Child: ", childItem);
1248                             logger.trace("Found inboundChild in current child list: " + sb.toString());
1249                         }
1250                                 removeFromList(childList, childItem);    //exists, just take it off delete list
1251                         } else {
1252                         if (logger.isTraceEnabled()) {
1253                                 StringBuilder sb = new StringBuilder();
1254                                 itemToString(sb, "== Child: ", inboundItem);
1255                             logger.trace("inboundChild not in current child list, will add: " + sb.toString());
1256                         }
1257                                 actionList.add(inboundItem);   //doesn't exist as a child, but is a child.  Add to additions list
1258                                 String newChildCsid = inboundItem.getSubject().getCsid();
1259                                 if(newChildCsid == null) {
1260                                         String newChildRefName = inboundItem.getSubject().getRefName();
1261                                         if(newChildRefName==null) {
1262                                                 throw new RuntimeException("Child with no CSID or refName!");
1263                                         }
1264                             if (logger.isTraceEnabled()) {
1265                                 logger.trace("Fetching CSID for child with only refname: "+newChildRefName);
1266                             }
1267                                 DocumentModel newChildDocModel =
1268                                         ResourceBase.getDocModelForRefName(this.getRepositorySession(),
1269                                                         newChildRefName, getServiceContext().getResourceMap());
1270                                 newChildCsid = getCsid(newChildDocModel);
1271                                 }
1272                                 ensureChildHasNoOtherParents(ctx, queryParams, newChildCsid);
1273                         }
1274
1275                 } else if (itemCSID.equals(inboundItem.getSubject().getCsid())
1276                                         || itemRefName.equals(inboundItem.getSubject().getRefName())) {
1277                         //then this is an item that says we have a parent.  inboundItem is that parent.
1278                         RelationsCommonList.RelationListItem parentItem =
1279                                         (parentList == null) ? null : findInList(parentList, inboundItem);
1280                         if (parentItem != null) {
1281                                 removeFromList(parentList, parentItem);    //exists, just take it off delete list
1282                         } else {
1283                                 actionList.add(inboundItem);   //doesn't exist as a parent, but is a parent. Add to additions list
1284                         }
1285                 } else {
1286                     logger.error("Parent/Child Element didn't link to this item. inboundItem: " + inboundItem);
1287                 }
1288             } else {
1289                 logger.warn("Non-parent relation ignored. inboundItem: " + inboundItem);
1290             }
1291         }
1292         if (logger.isTraceEnabled()) {
1293             String dump = dumpLists(itemCSID, parentList, childList, actionList);
1294             logger.trace("~~~~~~~~~~~~~~~~~~~~~~dump~~~~~~~~~~~~~~~~~~~~~~~~" + CR + dump);
1295         }
1296         if (fUpdate) {
1297             if (logger.isTraceEnabled()) {
1298                 logger.trace("AuthItemDocHndler.updateRelations for: " + itemCSID + " deleting "
1299                         + parentList.size() + " existing parents and " + childList.size() + " existing children.");
1300             }
1301             deleteRelations(parentList, ctx, "parentList");               //todo: there are items appearing on both lists....april 20.
1302             deleteRelations(childList, ctx, "childList");
1303         }
1304         if (logger.isTraceEnabled()) {
1305             logger.trace("AuthItemDocHndler.updateRelations for: " + itemCSID + " adding "
1306                     + actionList.size() + " new parents and children.");
1307         }
1308         createRelations(actionList, ctx);
1309         if (logger.isTraceEnabled()) {
1310             logger.trace("AuthItemDocHndler.updateRelations for: " + itemCSID + " done.");
1311         }
1312         //We return all elements on the inbound list, since we have just worked to make them exist in the system
1313         // and be non-redundant, etc.  That list came from relationsCommonListBody, so it is still attached to it, just pass that back.
1314         return relationsCommonListBody;
1315     }
1316
1317     /** Performs substitution for ${itemCSID} (see CommonAPI.AuthorityItemCSID_REPLACE for constant)
1318      *   and sets URI correctly for related items.
1319      *   Operates directly on the items in the list.  Does not change the list ordering, does not add or remove any items.
1320      */
1321     protected void fixupInboundListItems(ServiceContext ctx,
1322             List<RelationsCommonList.RelationListItem> inboundList,
1323             DocumentModel docModel,
1324             String itemCSID) throws Exception {
1325         String thisURI = this.getUri(docModel);
1326         // WARNING:  the two code blocks below are almost identical  and seem to ask to be put in a generic method.
1327         //                    beware of the little diffs in  inboundItem.setObjectCsid(itemCSID); and   inboundItem.setSubjectCsid(itemCSID); in the two blocks.
1328         for (RelationsCommonList.RelationListItem inboundItem : inboundList) {
1329             RelationsDocListItem inboundItemObject = inboundItem.getObject();
1330             RelationsDocListItem inboundItemSubject = inboundItem.getSubject();
1331
1332             if (CommonAPI.AuthorityItemCSID_REPLACE.equalsIgnoreCase(inboundItemObject.getCsid())) {
1333                 inboundItem.setObjectCsid(itemCSID);
1334                 inboundItemObject.setCsid(itemCSID);
1335                 //inboundItemObject.setUri(getUri(docModel));
1336             } else {
1337                 /*
1338                 String objectCsid = inboundItemObject.getCsid();
1339                 DocumentModel itemDocModel = NuxeoUtils.getDocFromCsid(getRepositorySession(), ctx, objectCsid);    //null if not found.
1340                 DocumentWrapper wrapper = new DocumentWrapperImpl(itemDocModel);
1341                 String uri = this.getRepositoryClient(ctx).getDocURI(wrapper);
1342                 inboundItemObject.setUri(uri);    //CSPACE-4037
1343                  */
1344             }
1345             //uriPointsToSameAuthority(thisURI, inboundItemObject.getUri());    //CSPACE-4042
1346
1347             if (CommonAPI.AuthorityItemCSID_REPLACE.equalsIgnoreCase(inboundItemSubject.getCsid())) {
1348                 inboundItem.setSubjectCsid(itemCSID);
1349                 inboundItemSubject.setCsid(itemCSID);
1350                 //inboundItemSubject.setUri(getUri(docModel));
1351             } else {
1352                 /*
1353                 String subjectCsid = inboundItemSubject.getCsid();
1354                 DocumentModel itemDocModel = NuxeoUtils.getDocFromCsid(getRepositorySession(), ctx, subjectCsid);    //null if not found.
1355                 DocumentWrapper wrapper = new DocumentWrapperImpl(itemDocModel);
1356                 String uri = this.getRepositoryClient(ctx).getDocURI(wrapper);
1357                 inboundItemSubject.setUri(uri);    //CSPACE-4037
1358                  */
1359             }
1360             //uriPointsToSameAuthority(thisURI, inboundItemSubject.getUri());  //CSPACE-4042
1361
1362         }
1363     }
1364
1365     private void ensureChildHasNoOtherParents(ServiceContext<PoxPayloadIn, PoxPayloadOut> ctx,
1366                 MultivaluedMap<String, String> queryParams, String childCSID) {
1367         logger.trace("ensureChildHasNoOtherParents for: " + childCSID );
1368         queryParams.putSingle(IRelationsManager.SUBJECT_QP, childCSID);
1369         queryParams.putSingle(IRelationsManager.PREDICATE_QP, RelationshipType.HAS_BROADER.value());
1370         queryParams.putSingle(IRelationsManager.OBJECT_QP, null);  //null means ANY
1371
1372         RelationResource relationResource = new RelationResource();
1373         RelationsCommonList parentListOuter = relationResource.getList(ctx);
1374         List<RelationsCommonList.RelationListItem> parentList = parentListOuter.getRelationListItem();
1375         //logger.warn("ensureChildHasNoOtherParents preparing to delete relations on "+childCSID+"\'s parent list: \r\n"+dumpList(parentList, "duplicate parent list"));
1376         deleteRelations(parentList, ctx, "parentList-delete");
1377     }
1378
1379     private void deleteRelations(List<RelationsCommonList.RelationListItem> list,
1380                 ServiceContext<PoxPayloadIn, PoxPayloadOut> ctx,
1381                 String listName) {
1382         try {
1383             for (RelationsCommonList.RelationListItem item : list) {
1384                 RelationResource relationResource = new RelationResource();
1385                 if(logger.isTraceEnabled()) {
1386                         StringBuilder sb = new StringBuilder();
1387                         itemToString(sb, "==== TO DELETE: ", item);
1388                         logger.trace(sb.toString());
1389                 }
1390                 Response res = relationResource.deleteWithParentCtx(ctx, item.getCsid());
1391                 if (logger.isDebugEnabled()) {
1392                         logger.debug("Status of authority item deleteRelations method call was: " + res.getStatus());
1393                 }
1394             }
1395         } catch (Throwable t) {
1396             String msg = "Unable to deleteRelations: " + Tools.errorToString(t, true);
1397             logger.error(msg);
1398         }
1399     }
1400
1401     // Note that we must do this after we have completed the Update, so that the repository has the
1402     // info for the item itself. The relations code must call into the repo to get info for each end.
1403     // This could be optimized to pass in the parent docModel, since it will often be one end.
1404     // Nevertheless, we should complete the item save before we do work on the relations, especially
1405     // since a save on Create might fail, and we would not want to create relations for something
1406     // that may not be created...
1407     private void handleRelationsPayload(DocumentWrapper<DocumentModel> wrapDoc, boolean fUpdate) throws Exception {
1408         ServiceContext ctx = getServiceContext();
1409         PoxPayloadIn input = (PoxPayloadIn) ctx.getInput();
1410         DocumentModel documentModel = (wrapDoc.getWrappedObject());
1411         String itemCsid = documentModel.getName();
1412
1413         //Updates relations part
1414         RelationsCommonList relationsCommonList = updateRelations(itemCsid, input, wrapDoc, fUpdate);
1415
1416         PayloadOutputPart payloadOutputPart = new PayloadOutputPart(RelationClient.SERVICE_COMMON_LIST_NAME, relationsCommonList);  //FIXME: REM - We should check for a null relationsCommonList and not create the new common list payload
1417         ctx.setProperty(RelationClient.SERVICE_COMMON_LIST_NAME, payloadOutputPart);
1418
1419         //now we add part for relations list
1420         //ServiceContext ctx = getServiceContext();
1421         //PayloadOutputPart foo = (PayloadOutputPart) ctx.getProperty(RelationClient.SERVICE_COMMON_LIST_NAME);
1422         ((PoxPayloadOut) ctx.getOutput()).addPart(payloadOutputPart);
1423     }
1424
1425     /**
1426      * Checks to see if the refName has changed, and if so,
1427      * uses utilities to find all references and update them to use the new refName.
1428      * @throws Exception
1429      */
1430     protected void handleRefNameReferencesUpdate() throws Exception {
1431         if (hasRefNameUpdate() == true) {
1432             ServiceContext<PoxPayloadIn, PoxPayloadOut> ctx = getServiceContext();
1433             RepositoryClient<PoxPayloadIn, PoxPayloadOut> repoClient = getRepositoryClient(ctx);
1434             RepositoryInstanceInterface repoSession = this.getRepositorySession();
1435
1436             // Update all the relationship records that referred to the old refName
1437             RefNameServiceUtils.updateRefNamesInRelations(ctx, repoClient, repoSession,
1438                     oldRefNameOnUpdate, newRefNameOnUpdate);
1439         }
1440     }
1441
1442     protected String getRefNameUpdate() {
1443         String result = null;
1444
1445         if (hasRefNameUpdate() == true) {
1446                 result = newRefNameOnUpdate;
1447                 if (logger.isDebugEnabled() == true) {
1448                         logger.debug(String.format("There was a refName update.  New: %s Old: %s" ,
1449                                         newRefNameOnUpdate, oldRefNameOnUpdate));
1450                 }
1451         }
1452
1453         return result;
1454     }
1455
1456     /*
1457      * Note: The Vocabulary document handler overrides this method.
1458      */
1459     protected String getRefPropName() {
1460         return ServiceBindingUtils.AUTH_REF_PROP;
1461     }
1462
1463
1464
1465 }