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:
6 * http://www.collectionspace.org
7 * http://wiki.collectionspace.org
9 * Copyright 2009 University of California at Berkeley
11 * Licensed under the Educational Community License (ECL), Version 2.0.
12 * You may not use this file except in compliance with this License.
14 * You may obtain a copy of the ECL 2.0 License at
16 * https://source.collectionspace.org/collection-space/LICENSE.txt
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.
24 package org.collectionspace.services.nuxeo.client.java;
26 import java.util.Collection;
27 import java.util.GregorianCalendar;
28 import java.util.HashMap;
29 import java.util.List;
31 import java.util.Map.Entry;
34 import javax.ws.rs.WebApplicationException;
35 import javax.ws.rs.core.MediaType;
36 import javax.ws.rs.core.Response;
38 import org.collectionspace.services.authorization.AccountPermission;
39 import org.collectionspace.services.jaxb.AbstractCommonList;
40 import org.collectionspace.services.client.PayloadInputPart;
41 import org.collectionspace.services.client.PayloadOutputPart;
42 import org.collectionspace.services.client.PoxPayloadIn;
43 import org.collectionspace.services.client.PoxPayloadOut;
44 import org.collectionspace.services.client.workflow.WorkflowClient;
45 import org.collectionspace.services.common.authorityref.AuthorityRefList;
46 import org.collectionspace.services.common.context.JaxRsContext;
47 import org.collectionspace.services.common.context.MultipartServiceContext;
48 import org.collectionspace.services.common.context.ServiceContext;
49 import org.collectionspace.services.common.datetime.DateTimeFormatUtils;
50 import org.collectionspace.services.common.document.BadRequestException;
51 import org.collectionspace.services.common.document.DocumentUtils;
52 import org.collectionspace.services.common.document.DocumentWrapper;
53 import org.collectionspace.services.common.document.DocumentFilter;
54 import org.collectionspace.services.common.document.DocumentHandler.Action;
55 import org.collectionspace.services.common.security.SecurityUtils;
56 import org.collectionspace.services.common.service.ObjectPartType;
57 import org.collectionspace.services.common.storage.jpa.JpaStorageUtils;
58 import org.collectionspace.services.common.vocabulary.RefNameUtils;
59 import org.dom4j.Element;
61 import org.nuxeo.ecm.core.api.DocumentModel;
62 import org.nuxeo.ecm.core.api.DocumentModelList;
63 import org.nuxeo.ecm.core.api.model.Property;
64 import org.nuxeo.ecm.core.api.model.PropertyException;
66 import org.nuxeo.ecm.core.schema.types.Schema;
68 import org.slf4j.Logger;
69 import org.slf4j.LoggerFactory;
72 * RemoteDocumentModelHandler
74 * $LastChangedRevision: $
79 public abstract class RemoteDocumentModelHandlerImpl<T, TL>
80 extends DocumentModelHandler<T, TL> {
83 private final Logger logger = LoggerFactory.getLogger(RemoteDocumentModelHandlerImpl.class);
86 * @see org.collectionspace.services.common.document.AbstractDocumentHandlerImpl#setServiceContext(org.collectionspace.services.common.context.ServiceContext)
89 public void setServiceContext(ServiceContext ctx) { //FIXME: Apply proper generics to ServiceContext<PoxPayloadIn, PoxPayloadOut>
90 if (ctx instanceof MultipartServiceContext) {
91 super.setServiceContext(ctx);
93 throw new IllegalArgumentException("setServiceContext requires instance of "
94 + MultipartServiceContext.class.getName());
99 * @see org.collectionspace.services.nuxeo.client.java.DocumentModelHandler#completeUpdate(org.collectionspace.services.common.document.DocumentWrapper)
102 public void completeUpdate(DocumentWrapper<DocumentModel> wrapDoc) throws Exception {
103 DocumentModel docModel = wrapDoc.getWrappedObject();
104 //return at least those document part(s) that were received
105 Map<String, ObjectPartType> partsMetaMap = getServiceContext().getPartsMetadata();
106 MultipartServiceContext ctx = (MultipartServiceContext) getServiceContext();
107 PoxPayloadIn input = ctx.getInput();
109 List<PayloadInputPart> inputParts = ctx.getInput().getParts();
110 for (PayloadInputPart part : inputParts) {
111 String partLabel = part.getLabel();
113 ObjectPartType partMeta = partsMetaMap.get(partLabel);
114 // extractPart(docModel, partLabel, partMeta);
115 Map<String, Object> unQObjectProperties = extractPart(docModel, partLabel, partMeta);
116 addOutputPart(unQObjectProperties, partLabel, partMeta);
117 } catch (Throwable t){
119 System.out.println("===============================\r\nUnable to addOutputPart: "+partLabel
120 +" in serviceContextPath: "+this.getServiceContextPath()
121 +" with URI: "+this.getServiceContext().getUriInfo().getPath()
126 if (logger.isWarnEnabled() == true) {
127 logger.warn("MultipartInput part was null for document id = " +
134 * Adds the output part.
136 * @param unQObjectProperties the un q object properties
137 * @param schema the schema
138 * @param partMeta the part meta
139 * @throws Exception the exception
140 * MediaType.APPLICATION_XML_TYPE
142 protected void addOutputPart(Map<String, Object> unQObjectProperties, String schema, ObjectPartType partMeta)
144 Element doc = DocumentUtils.buildDocument(partMeta, schema,
145 unQObjectProperties);
146 if (logger.isTraceEnabled() == true) {
147 logger.trace(doc.asXML());
149 MultipartServiceContext ctx = (MultipartServiceContext) getServiceContext();
150 ctx.addOutputPart(schema, doc, partMeta.getContent().getContentType());
154 * Extract paging info.
156 * @param commonsList the commons list
158 * @throws Exception the exception
160 public TL extractPagingInfo(TL theCommonList, DocumentWrapper<DocumentModelList> wrapDoc)
162 AbstractCommonList commonList = (AbstractCommonList) theCommonList;
164 DocumentFilter docFilter = this.getDocumentFilter();
165 long pageSize = docFilter.getPageSize();
166 long pageNum = pageSize != 0 ? docFilter.getOffset() / pageSize : pageSize;
167 // set the page size and page number
168 commonList.setPageNum(pageNum);
169 commonList.setPageSize(pageSize);
170 DocumentModelList docList = wrapDoc.getWrappedObject();
171 // Set num of items in list. this is useful to our testing framework.
172 commonList.setItemsInPage(docList.size());
173 // set the total result size
174 commonList.setTotalItems(docList.totalSize());
176 return (TL) commonList;
180 * @see org.collectionspace.services.nuxeo.client.java.DocumentModelHandler#extractAllParts(org.collectionspace.services.common.document.DocumentWrapper)
183 public void extractAllParts(DocumentWrapper<DocumentModel> wrapDoc)
186 DocumentModel docModel = wrapDoc.getWrappedObject();
187 String[] schemas = docModel.getDeclaredSchemas();
188 Map<String, ObjectPartType> partsMetaMap = getServiceContext().getPartsMetadata();
189 for (String schema : schemas) {
190 ObjectPartType partMeta = partsMetaMap.get(schema);
191 if (partMeta == null) {
192 continue; // unknown part, ignore
194 Map<String, Object> unQObjectProperties = extractPart(docModel, schema, partMeta);
195 addOutputPart(unQObjectProperties, schema, partMeta);
197 addAccountPermissionsPart();
200 private void addAccountPermissionsPart() throws Exception {
201 MultipartServiceContext ctx = (MultipartServiceContext) getServiceContext();
202 String currentServiceName = ctx.getServiceName();
203 String workflowSubResource = "/";
204 JaxRsContext jaxRsContext = ctx.getJaxRsContext();
205 if (jaxRsContext != null) {
206 String resourceName = SecurityUtils.getResourceName(jaxRsContext.getUriInfo());
207 workflowSubResource = workflowSubResource + resourceName + WorkflowClient.SERVICE_PATH + "/";
209 workflowSubResource = workflowSubResource + currentServiceName + WorkflowClient.SERVICE_AUTHZ_SUFFIX;
211 AccountPermission accountPermission = JpaStorageUtils.getAccountPermissions(JpaStorageUtils.CS_CURRENT_USER,
212 currentServiceName, workflowSubResource);
213 PayloadOutputPart accountPermissionPart = new PayloadOutputPart("account_permission", accountPermission);
214 ctx.addOutputPart(accountPermissionPart);
218 * @see org.collectionspace.services.nuxeo.client.java.DocumentModelHandler#fillAllParts(org.collectionspace.services.common.document.DocumentWrapper)
221 public void fillAllParts(DocumentWrapper<DocumentModel> wrapDoc, Action action) throws Exception {
223 //TODO filling extension parts should be dynamic
224 //Nuxeo APIs lack to support stream/byte[] input, get/setting properties is
225 //not an ideal way of populating objects.
226 DocumentModel docModel = wrapDoc.getWrappedObject();
227 MultipartServiceContext ctx = (MultipartServiceContext) getServiceContext();
228 PoxPayloadIn input = ctx.getInput();
229 if (input.getParts().isEmpty()) {
230 String msg = "No payload found!";
231 logger.error(msg + "Ctx=" + getServiceContext().toString());
232 throw new BadRequestException(msg);
235 Map<String, ObjectPartType> partsMetaMap = getServiceContext().getPartsMetadata();
237 //iterate over parts received and fill those parts
238 List<PayloadInputPart> inputParts = input.getParts();
239 for (PayloadInputPart part : inputParts) {
241 String partLabel = part.getLabel();
242 if (partLabel == null) {
243 String msg = "Part label is missing or empty!";
244 logger.error(msg + "Ctx=" + getServiceContext().toString());
245 throw new BadRequestException(msg);
248 //skip if the part is not in metadata
249 ObjectPartType partMeta = partsMetaMap.get(partLabel);
250 if (partMeta == null) {
253 fillPart(part, docModel, partMeta, action, ctx);
259 * fillPart fills an XML part into given document model
260 * @param part to fill
261 * @param docModel for the given object
262 * @param partMeta metadata for the object to fill
265 protected void fillPart(PayloadInputPart part, DocumentModel docModel,
266 ObjectPartType partMeta, Action action, ServiceContext<PoxPayloadIn, PoxPayloadOut> ctx)
268 //check if this is an xml part
269 if (part.getMediaType().equals(MediaType.APPLICATION_XML_TYPE)) {
270 Element element = part.getElementBody();
271 Map<String, Object> objectProps = DocumentUtils.parseProperties(partMeta, element, ctx);
272 if (action == Action.UPDATE) {
273 this.filterReadOnlyPropertiesForPart(objectProps, partMeta);
275 docModel.setProperties(partMeta.getLabel(), objectProps);
280 * Filters out read only properties, so they cannot be set on update.
281 * TODO: add configuration support to do this generally
282 * @param objectProps the properties parsed from the update payload
283 * @param partMeta metadata for the object to fill
285 public void filterReadOnlyPropertiesForPart(
286 Map<String, Object> objectProps, ObjectPartType partMeta) {
287 // Currently a no-op, but can be overridden in Doc handlers.
291 * extractPart extracts an XML object from given DocumentModel
293 * @param schema of the object to extract
294 * @param partMeta metadata for the object to extract
297 protected Map<String, Object> extractPart(DocumentModel docModel, String schema)
299 return extractPart(docModel, schema, (Map<String, Object>)null);
303 * extractPart extracts an XML object from given DocumentModel
305 * @param schema of the object to extract
306 * @param partMeta metadata for the object to extract
310 protected Map<String, Object> extractPart(DocumentModel docModel, String schema, ObjectPartType partMeta)
312 return extractPart(docModel, schema, partMeta, null);
316 * extractPart extracts an XML object from given DocumentModel
318 * @param schema of the object to extract
319 * @param partMeta metadata for the object to extract
322 protected Map<String, Object> extractPart(
323 DocumentModel docModel,
325 Map<String, Object> addToMap)
327 Map<String, Object> result = null;
329 Map<String, Object> objectProps = docModel.getProperties(schema);
330 if (objectProps != null) {
331 //unqualify properties before sending the doc over the wire (to save bandwidh)
332 //FIXME: is there a better way to avoid duplication of a Map/Collection?
333 Map<String, Object> unQObjectProperties =
334 (addToMap != null) ? addToMap : (new HashMap<String, Object>());
335 Set<Entry<String, Object>> qualifiedEntries = objectProps.entrySet();
336 for (Entry<String, Object> entry : qualifiedEntries) {
337 String unqProp = getUnQProperty(entry.getKey());
338 unQObjectProperties.put(unqProp, entry.getValue());
340 result = unQObjectProperties;
347 * extractPart extracts an XML object from given DocumentModel
349 * @param schema of the object to extract
350 * @param partMeta metadata for the object to extract
354 protected Map<String, Object> extractPart(
355 DocumentModel docModel, String schema, ObjectPartType partMeta,
356 Map<String, Object> addToMap)
358 Map<String, Object> result = null;
360 result = this.extractPart(docModel, schema, addToMap);
367 * @see org.collectionspace.services.nuxeo.client.java.DocumentModelHandler#getAuthorityRefs(org.collectionspace.services.common.document.DocumentWrapper, java.util.List)
370 public AuthorityRefList getAuthorityRefs(
371 DocumentWrapper<DocumentModel> docWrapper,
372 List<String> authRefFieldNames) throws PropertyException {
374 AuthorityRefList authRefList = new AuthorityRefList();
375 AbstractCommonList commonList = (AbstractCommonList) authRefList;
377 DocumentFilter docFilter = this.getDocumentFilter();
378 long pageSize = docFilter.getPageSize();
379 long pageNum = pageSize != 0 ? docFilter.getOffset() / pageSize : pageSize;
380 // set the page size and page number
381 commonList.setPageNum(pageNum);
382 commonList.setPageSize(pageSize);
384 List<AuthorityRefList.AuthorityRefItem> list = authRefList.getAuthorityRefItem();
385 DocumentModel docModel = docWrapper.getWrappedObject();
388 int iFirstToUse = (int)(pageSize*pageNum);
389 int nFoundInPage = 0;
391 for (String authRefFieldName : authRefFieldNames) {
393 // FIXME: Can use the schema to validate field existence,
394 // to help avoid encountering PropertyExceptions.
395 String schemaName = DocumentUtils.getSchemaNamePart(authRefFieldName);
396 Schema schema = DocumentUtils.getSchemaFromName(schemaName);
398 String descendantAuthRefFieldName = DocumentUtils.getDescendantAuthRefFieldName(authRefFieldName);
399 if (descendantAuthRefFieldName != null && !descendantAuthRefFieldName.trim().isEmpty()) {
400 authRefFieldName = DocumentUtils.getAncestorAuthRefFieldName(authRefFieldName);
403 String xpath = "//" + authRefFieldName;
404 Property prop = docModel.getProperty(xpath);
409 // If this is a single scalar field, with no children,
410 // add an item with its values to the authRefs list.
411 if (DocumentUtils.isSimpleType(prop)) {
412 String refName = prop.getValue(String.class);
413 if (refName == null) {
416 refName = refName.trim();
417 if (refName.isEmpty()) {
420 if((nFoundTotal < iFirstToUse)
421 || (nFoundInPage >= pageSize)) {
427 appendToAuthRefsList(refName, schemaName, authRefFieldName, list);
429 // Otherwise, if this field has children, cycle through each child.
431 // Whenever we find instances of the descendant field among
432 // these children, add an item with its values to the authRefs list.
434 // FIXME: When we increase maximum repeatability depth, that is, the depth
435 // between ancestor and descendant, we'll need to use recursion here,
436 // rather than making fixed assumptions about hierarchical depth.
437 } else if ((DocumentUtils.isListType(prop) || DocumentUtils.isComplexType(prop))
438 && prop.size() > 0) {
440 Collection<Property> childProp = prop.getChildren();
441 for (Property cProp : childProp) {
442 if (DocumentUtils.isSimpleType(cProp) && cProp.getName().equals(descendantAuthRefFieldName)) {
443 String refName = cProp.getValue(String.class);
444 if (refName == null) {
447 refName = refName.trim();
448 if (refName.isEmpty()) {
451 if((nFoundTotal < iFirstToUse)
452 || (nFoundInPage >= pageSize)) {
458 appendToAuthRefsList(refName, schemaName, descendantAuthRefFieldName, list);
459 } else if ((DocumentUtils.isListType(cProp) || DocumentUtils.isComplexType(cProp))
460 && prop.size() > 0) {
461 Collection<Property> grandChildProp = cProp.getChildren();
462 for (Property gProp : grandChildProp) {
463 if (DocumentUtils.isSimpleType(gProp) && gProp.getName().equals(descendantAuthRefFieldName)) {
464 String refName = gProp.getValue(String.class);
465 if (refName == null) {
468 refName = refName.trim();
469 if (refName.isEmpty()) {
472 if((nFoundTotal < iFirstToUse)
473 || (nFoundInPage >= pageSize)) {
479 appendToAuthRefsList(refName, schemaName, descendantAuthRefFieldName, list);
486 // Set num of items in list. this is useful to our testing framework.
487 commonList.setItemsInPage(nFoundInPage);
488 // set the total result size
489 commonList.setTotalItems(nFoundTotal);
491 } catch (PropertyException pe) {
492 String msg = "Attempted to retrieve value for invalid or missing authority field. "
493 + "Check authority field properties in tenant bindings.";
494 logger.warn(msg, pe);
496 } catch (Exception e) {
497 if (logger.isDebugEnabled()) {
498 logger.debug("Caught exception in getAuthorityRefs", e);
500 Response response = Response.status(
501 Response.Status.INTERNAL_SERVER_ERROR).entity(
502 "Failed to retrieve authority references").type(
503 "text/plain").build();
504 throw new WebApplicationException(response);
510 private void appendToAuthRefsList(String refName, String schemaName,
511 String fieldName, List<AuthorityRefList.AuthorityRefItem> list)
513 if (DocumentUtils.getSchemaNamePart(fieldName).isEmpty()) {
514 fieldName = DocumentUtils.appendSchemaName(schemaName, fieldName);
516 list.add(authorityRefListItem(fieldName, refName));
519 private AuthorityRefList.AuthorityRefItem authorityRefListItem(String authRefFieldName, String refName) {
521 AuthorityRefList.AuthorityRefItem ilistItem = new AuthorityRefList.AuthorityRefItem();
523 RefNameUtils.AuthorityTermInfo termInfo = RefNameUtils.parseAuthorityTermInfo(refName);
524 ilistItem.setRefName(refName);
525 ilistItem.setAuthDisplayName(termInfo.inAuthority.displayName);
526 ilistItem.setItemDisplayName(termInfo.displayName);
527 ilistItem.setSourceField(authRefFieldName);
528 ilistItem.setUri(termInfo.getRelativeUri());
529 } catch (Exception e) {
530 // Do nothing upon encountering an Exception here.
536 * Returns the primary value from a list of values.
538 * Assumes that the first value is the primary value.
539 * This assumption may change when and if the primary value
540 * is identified explicitly.
542 * @param values a list of values.
543 * @param propertyName the name of a property through
544 * which the value can be extracted.
545 * @return the primary value.
546 protected String primaryValueFromMultivalue(List<Object> values, String propertyName) {
547 String primaryValue = "";
548 if (values == null || values.size() == 0) {
551 Object value = values.get(0);
552 if (value instanceof String) {
554 primaryValue = (String) value;
556 // Multivalue group of fields
557 } else if (value instanceof Map) {
559 Map map = (Map) value;
560 if (map.values().size() > 0) {
561 if (map.get(propertyName) != null) {
562 primaryValue = (String) map.get(propertyName);
567 logger.warn("Unexpected type for property " + propertyName
568 + " in multivalue list: not String or Map.");
575 * Gets a simple property from the document.
577 * For completeness, as this duplicates DocumentModel method.
579 * @param docModel The document model to get info from
580 * @param schema The name of the schema (part)
581 * @param propertyName The simple scalar property type
582 * @return property value as String
584 protected String getSimpleStringProperty(DocumentModel docModel, String schema, String propName) {
585 String xpath = "/"+schema+":"+propName;
587 return (String)docModel.getPropertyValue(xpath);
588 } catch(PropertyException pe) {
589 throw new RuntimeException("Problem retrieving property {"+xpath+"}. Not a simple String property?"
590 +pe.getLocalizedMessage());
591 } catch(ClassCastException cce) {
592 throw new RuntimeException("Problem retrieving property {"+xpath+"} as String. Not a scalar String property?"
593 +cce.getLocalizedMessage());
594 } catch(Exception e) {
595 throw new RuntimeException("Unknown problem retrieving property {"+xpath+"}."
596 +e.getLocalizedMessage());
601 * Gets first of a repeating list of scalar values, as a String, from the document.
603 * @param docModel The document model to get info from
604 * @param schema The name of the schema (part)
605 * @param listName The name of the scalar list property
606 * @return first value in list, as a String, or empty string if the list is empty
608 protected String getFirstRepeatingStringProperty(
609 DocumentModel docModel, String schema, String listName) {
610 String xpath = "/"+schema+":"+listName+"/[0]";
612 return (String)docModel.getPropertyValue(xpath);
613 } catch(PropertyException pe) {
614 throw new RuntimeException("Problem retrieving property {"+xpath+"}. Not a repeating scalar?"
615 +pe.getLocalizedMessage());
616 } catch(IndexOutOfBoundsException ioobe) {
617 // Nuxeo sometimes handles missing sub, and sometimes does not. Odd.
618 return ""; // gracefully handle missing elements
619 } catch(ClassCastException cce) {
620 throw new RuntimeException("Problem retrieving property {"+xpath+"} as String. Not a repeating String property?"
621 +cce.getLocalizedMessage());
622 } catch(Exception e) {
623 throw new RuntimeException("Unknown problem retrieving property {"+xpath+"}."
624 +e.getLocalizedMessage());
630 * Gets first of a repeating list of scalar values, as a String, from the document.
632 * @param docModel The document model to get info from
633 * @param schema The name of the schema (part)
634 * @param listName The name of the scalar list property
635 * @return first value in list, as a String, or empty string if the list is empty
637 protected String getStringValueInPrimaryRepeatingComplexProperty(
638 DocumentModel docModel, String schema, String complexPropertyName, String fieldName) {
639 String xpath = "/"+schema+":"+complexPropertyName+"/[0]/"+fieldName;
641 return (String)docModel.getPropertyValue(xpath);
642 } catch(PropertyException pe) {
643 throw new RuntimeException("Problem retrieving property {"+xpath+"}. Bad propertyNames?"
644 +pe.getLocalizedMessage());
645 } catch(IndexOutOfBoundsException ioobe) {
646 // Nuxeo sometimes handles missing sub, and sometimes does not. Odd.
647 return ""; // gracefully handle missing elements
648 } catch(ClassCastException cce) {
649 throw new RuntimeException("Problem retrieving property {"+xpath+"} as String. Not a String property?"
650 +cce.getLocalizedMessage());
651 } catch(Exception e) {
652 throw new RuntimeException("Unknown problem retrieving property {"+xpath+"}."
653 +e.getLocalizedMessage());
658 * Gets XPath value from schema. Note that only "/" and "[n]" are
659 * supported for xpath. Can omit grouping elements for repeating complex types,
660 * e.g., "fieldList/[0]" can be used as shorthand for "fieldList/field[0]" and
661 * "fieldGroupList/[0]/field" can be used as shorthand for "fieldGroupList/fieldGroup[0]/field".
662 * If there are no entries for a list of scalars or for a list of complex types,
663 * a 0 index expression (e.g., "fieldGroupList/[0]/field") will safely return an empty
664 * string. A non-zero index will throw an IndexOutOfBoundsException if there are not
665 * that many elements in the list.
666 * N.B.: This does not follow the XPath spec - indices are 0-based, not 1-based.
668 * @param docModel The document model to get info from
669 * @param schema The name of the schema (part)
670 * @param xpath The XPath expression (without schema prefix)
671 * @return value the indicated property value as a String
673 protected static String getXPathStringValue(DocumentModel docModel, String schema, String xpath) {
674 xpath = schema+":"+xpath;
676 Object value = docModel.getPropertyValue(xpath);
677 String returnVal = null;
679 // Nothing to do - leave returnVal null
680 } else if(value instanceof GregorianCalendar) {
681 returnVal = DateTimeFormatUtils.formatAsISO8601Timestamp((GregorianCalendar)value);
683 returnVal = value.toString();
686 } catch(PropertyException pe) {
687 throw new RuntimeException("Problem retrieving property {"+xpath+"}. Bad XPath spec?"
688 +pe.getLocalizedMessage());
689 } catch(ClassCastException cce) {
690 throw new RuntimeException("Problem retrieving property {"+xpath+"} as String. Not a String property?"
691 +cce.getLocalizedMessage());
692 } catch(IndexOutOfBoundsException ioobe) {
693 // Nuxeo seems to handle foo/[0]/bar when it is missing,
694 // but not foo/bar[0] (for repeating scalars).
695 if(xpath.endsWith("[0]")) { // gracefully handle missing elements
698 String msg = ioobe.getMessage();
699 if(msg!=null && msg.equals("Index: 0, Size: 0")) {
700 // Some other variant on a missing sub-field; quietly absorb.
702 } // Otherwise, e.g., for true OOB indices, propagate the exception.
704 throw new RuntimeException("Problem retrieving property {"+xpath+"}:"
705 +ioobe.getLocalizedMessage());
706 } catch(Exception e) {
707 throw new RuntimeException("Unknown problem retrieving property {"+xpath+"}."
708 +e.getLocalizedMessage());