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   1 /**
   2  * NewRelationResource.java
   3  *
   4  * {Purpose of This Class}
   5  *
   6  * {Other Notes Relating to This Class (Optional)}
   7  *
   8  * $LastChangedBy: $
   9  * $LastChangedRevision: $
  10  * $LastChangedDate: $
  11  *
  12  * This document is a part of the source code and related artifacts
  13  * for CollectionSpace, an open source collections management system
  14  * for museums and related institutions:
  15  *
  16  * http://www.collectionspace.org
  17  * http://wiki.collectionspace.org
  18  *
  19  * Copyright � 2009 {Contributing Institution}
  20  *
  21  * Licensed under the Educational Community License (ECL), Version 2.0.
  22  * You may not use this file except in compliance with this License.
  23  *
  24  * You may obtain a copy of the ECL 2.0 License at
  25  * https://source.collectionspace.org/collection-space/LICENSE.txt
  26  */
  27 package org.collectionspace.services.relation;
  28
  29 import java.util.Map;
  30
  31 import javax.ws.rs.Consumes;
  32 import javax.ws.rs.GET;
  33 import javax.ws.rs.Path;
  34 import javax.ws.rs.Produces;
  35 import javax.ws.rs.DELETE;
  36 import javax.ws.rs.POST;
  37 import javax.ws.rs.PUT;
  38 import javax.ws.rs.PathParam;
  39 import javax.ws.rs.WebApplicationException;
  40 import javax.ws.rs.core.Context;
  41 import javax.ws.rs.core.Response;
  42 import javax.ws.rs.core.UriBuilder;
  43 import javax.ws.rs.core.UriInfo;
  44
  45
  46 import org.collectionspace.services.common.AbstractCollectionSpaceResource;
  47 import org.collectionspace.services.common.context.RemoteServiceContext;
  48 import org.collectionspace.services.common.context.ServiceContext;
  49 import org.collectionspace.services.common.relation.IRelationsManager;
  50 import org.collectionspace.services.common.document.DocumentNotFoundException;
  51 import org.collectionspace.services.common.document.DocumentHandler;
  52 import org.collectionspace.services.relation.nuxeo.RelationHandlerFactory;
  53 import org.jboss.resteasy.plugins.providers.multipart.MultipartInput;
  54 import org.jboss.resteasy.plugins.providers.multipart.MultipartOutput;
  55 import org.jboss.resteasy.util.HttpResponseCodes;
  56 import org.slf4j.Logger;
  57 import org.slf4j.LoggerFactory;
  58
  59 @Path("/relations")
  60 @Consumes("multipart/mixed")
  61 @Produces("multipart/mixed")
  62 public class NewRelationResource extends AbstractCollectionSpaceResource {
  63
  64     public final static String serviceName = "relations";
  65     final Logger logger = LoggerFactory.getLogger(NewRelationResource.class);
  66
  67     @Override
  68     public String getServiceName() {
  69         return serviceName;
  70     }
  71
  72     @Override
  73     public DocumentHandler createDocumentHandler(RemoteServiceContext ctx) throws Exception {
  74         DocumentHandler docHandler = RelationHandlerFactory.getInstance().getHandler(
  75                 ctx.getRepositoryClientType().toString());
  76         docHandler.setServiceContext(ctx);
  77         if(ctx.getInput() != null){
  78             Object obj = ctx.getInputPart(ctx.getCommonPartLabel(), RelationsCommon.class);
  79             if(obj != null){
  80                 docHandler.setCommonPart((RelationsCommon) obj);
  81             }
  82         }
  83         return docHandler;
  84     }
  85
  86     @POST
  87     public Response createRelation(MultipartInput input) {
  88
  89         try{
  90             RemoteServiceContext ctx = createServiceContext(input);
  91             DocumentHandler handler = createDocumentHandler(ctx);
  92             String csid = getRepositoryClient(ctx).create(ctx, handler);
  93             UriBuilder path = UriBuilder.fromResource(NewRelationResource.class);
  94             path.path("" + csid);
  95             Response response = Response.created(path.build()).build();
  96             return response;
  97         }catch(Exception e){
  98             if(logger.isDebugEnabled()){
  99                 logger.debug("Caught exception in createRelation", e);
 100             }
 101             Response response = Response.status(
 102                     Response.Status.INTERNAL_SERVER_ERROR).entity(
 103                     "Create failed").type("text/plain").build();
 104             throw new WebApplicationException(response);
 105         }
 106     }
 107
 108     @GET
 109     @Path("{csid}")
 110     public MultipartOutput getRelation(@PathParam("csid") String csid) {
 111         if(logger.isDebugEnabled()){
 112             logger.debug("getRelation with csid=" + csid);
 113         }
 114         if(csid == null || "".equals(csid)){
 115             logger.error("getRelation: missing csid!");
 116             Response response = Response.status(Response.Status.BAD_REQUEST).entity("get failed on Relation csid=" + csid).type(
 117                     "text/plain").build();
 118             throw new WebApplicationException(response);
 119         }
 120         MultipartOutput result = null;
 121         try{
 122             RemoteServiceContext ctx = createServiceContext(null);
 123             DocumentHandler handler = createDocumentHandler(ctx);
 124             getRepositoryClient(ctx).get(ctx, csid, handler);
 125             result = ctx.getOutput();
 126         }catch(DocumentNotFoundException dnfe){
 127             if(logger.isDebugEnabled()){
 128                 logger.debug("getRelation", dnfe);
 129             }
 130             Response response = Response.status(Response.Status.NOT_FOUND).entity("Get failed on Relation csid=" + csid).type(
 131                     "text/plain").build();
 132             throw new WebApplicationException(response);
 133         }catch(Exception e){
 134             if(logger.isDebugEnabled()){
 135                 logger.debug("getRelation", e);
 136             }
 137             Response response = Response.status(
 138                     Response.Status.INTERNAL_SERVER_ERROR).entity("Get failed").type("text/plain").build();
 139             throw new WebApplicationException(response);
 140         }
 141
 142         if(result == null){
 143             Response response = Response.status(Response.Status.NOT_FOUND).entity(
 144                     "Get failed, the requested Relation CSID:" + csid + ": was not found.").type("text/plain").build();
 145             throw new WebApplicationException(response);
 146         }
 147         return result;
 148     }
 149
 150     /*
 151      * BEGIN OF GET LIST
 152      */
 153     @GET
 154     @Produces("application/xml")
 155     public RelationsCommonList getRelationList(@Context UriInfo ui) {
 156         return this.getRelationList(null, null, null);
 157     }
 158
 159     @GET
 160     @Path("subject/{subjectCsid}")
 161     @Produces("application/xml")
 162     public RelationsCommonList getRelationList_S(@Context UriInfo ui,
 163             @PathParam("subjectCsid") String subjectCsid) {
 164         return this.getRelationList(subjectCsid, null, null);
 165     }
 166
 167     @GET
 168     @Path("type/{predicate}")
 169     @Produces("application/xml")
 170     public RelationsCommonList getRelationList_P(@Context UriInfo ui,
 171             @PathParam("predicate") String predicate) {
 172         return this.getRelationList(null, predicate, null);
 173     }
 174
 175     @GET
 176     @Path("object/{objectCsid}")
 177     @Produces("application/xml")
 178     public RelationsCommonList getRelationList_O(@Context UriInfo ui,
 179             @PathParam("objectCsid") String objectCsid) {
 180         return this.getRelationList(null, null, objectCsid);
 181     }
 182
 183     @GET
 184     @Path("type/{predicate}/subject/{subjectCsid}")
 185     @Produces("application/xml")
 186     public RelationsCommonList getRelationList_PS(@Context UriInfo ui,
 187             @PathParam("predicate") String predicate,
 188             @PathParam("subjectCsid") String subjectCsid) {
 189         return this.getRelationList(subjectCsid, predicate, null);
 190     }
 191
 192     @GET
 193     @Path("subject/{subjectCsid}/type/{predicate}")
 194     @Produces("application/xml")
 195     public RelationsCommonList getRelationList_SP(@Context UriInfo ui,
 196             @PathParam("subjectCsid") String subjectCsid,
 197             @PathParam("predicate") String predicate) {
 198         return this.getRelationList(subjectCsid, predicate, null);
 199     }
 200
 201     @GET
 202     @Path("type/{predicate}/object/{objectCsid}")
 203     @Produces("application/xml")
 204     public RelationsCommonList getRelationList_PO(@Context UriInfo ui,
 205             @PathParam("predicate") String predicate,
 206             @PathParam("objectCsid") String objectCsid) {
 207         return this.getRelationList(null, predicate, objectCsid);
 208     }
 209
 210     @GET
 211     @Path("object/{objectCsid}/type/{predicate}")
 212     @Produces("application/xml")
 213     public RelationsCommonList getRelationList_OP(@Context UriInfo ui,
 214             @PathParam("objectCsid") String objectCsid,
 215             @PathParam("predicate") String predicate) {
 216         return this.getRelationList(null, predicate, objectCsid);
 217     }
 218
 219     @GET
 220     @Path("type/{predicate}/subject/{subjectCsid}/object/{objectCsid}")
 221     @Produces("application/xml")
 222     public RelationsCommonList getRelationList_PSO(@Context UriInfo ui,
 223             @PathParam("predicate") String predicate,
 224             @PathParam("subjectCsid") String subjectCsid,
 225             @PathParam("objectCsid") String objectCsid) {
 226         return this.getRelationList(subjectCsid, predicate, objectCsid);
 227     }
 228
 229     @GET
 230     @Path("subject/{subjectCsid}/type/{predicate}/object/{objectCsid}")
 231     @Produces("application/xml")
 232     public RelationsCommonList getRelationList_SPO(@Context UriInfo ui,
 233             @PathParam("subjectCsid") String subjectCsid,
 234             @PathParam("predicate") String predicate,
 235             @PathParam("objectCsid") String objectCsid) {
 236         return this.getRelationList(subjectCsid, predicate, objectCsid);
 237     }
 238     /*
 239      * END OF GET LIST
 240      */
 241
 242     @PUT
 243     @Path("{csid}")
 244     public MultipartOutput updateRelation(@PathParam("csid") String csid,
 245             MultipartInput theUpdate) {
 246         if(logger.isDebugEnabled()){
 247             logger.debug("updateRelation with csid=" + csid);
 248         }
 249         if(csid == null || "".equals(csid)){
 250             logger.error("updateRelation: missing csid!");
 251             Response response = Response.status(Response.Status.BAD_REQUEST).entity("update failed on Relation csid=" + csid).type(
 252                     "text/plain").build();
 253             throw new WebApplicationException(response);
 254         }
 255         MultipartOutput result = null;
 256         try{
 257             RemoteServiceContext ctx = createServiceContext(theUpdate);
 258             DocumentHandler handler = createDocumentHandler(ctx);
 259             getRepositoryClient(ctx).update(ctx, csid, handler);
 260             result = ctx.getOutput();
 261         }catch(DocumentNotFoundException dnfe){
 262             if(logger.isDebugEnabled()){
 263                 logger.debug("caugth exception in updateRelation", dnfe);
 264             }
 265             Response response = Response.status(Response.Status.NOT_FOUND).entity("Update failed on Relation csid=" + csid).type(
 266                     "text/plain").build();
 267             throw new WebApplicationException(response);
 268         }catch(Exception e){
 269             Response response = Response.status(
 270                     Response.Status.INTERNAL_SERVER_ERROR).entity(
 271                     "Update failed").type("text/plain").build();
 272             throw new WebApplicationException(response);
 273         }
 274         return result;
 275     }
 276
 277     @DELETE
 278     @Path("{csid}")
 279     public Response deleteRelation(@PathParam("csid") String csid) {
 280
 281         if(logger.isDebugEnabled()){
 282             logger.debug("deleteRelation with csid=" + csid);
 283         }
 284         if(csid == null || "".equals(csid)){
 285             logger.error("deleteRelation: missing csid!");
 286             Response response = Response.status(Response.Status.BAD_REQUEST).entity("delete failed on Relation csid=" + csid).type(
 287                     "text/plain").build();
 288             throw new WebApplicationException(response);
 289         }
 290         try{
 291             ServiceContext ctx = createServiceContext(null);
 292             getRepositoryClient(ctx).delete(ctx, csid);
 293             return Response.status(HttpResponseCodes.SC_OK).build();
 294         }catch(DocumentNotFoundException dnfe){
 295             if(logger.isDebugEnabled()){
 296                 logger.debug("caught exception in deleteRelation", dnfe);
 297             }
 298             Response response = Response.status(Response.Status.NOT_FOUND).entity("Delete failed on Relation csid=" + csid).type(
 299                     "text/plain").build();
 300             throw new WebApplicationException(response);
 301         }catch(Exception e){
 302             Response response = Response.status(
 303                     Response.Status.INTERNAL_SERVER_ERROR).entity(
 304                     "Delete failed").type("text/plain").build();
 305             throw new WebApplicationException(response);
 306         }
 307
 308     }
 309
 310     /*
 311      * Private Methods
 312      */
 313     /**
 314      * Gets the relation list request.
 315      *
 316      * @return the relation list request
 317      *
 318      * @throws WebApplicationException the web application exception
 319      */
 320     private RelationsCommonList getRelationList(String subjectCsid,
 321             String predicate,
 322             String objectCsid)
 323             throws WebApplicationException {
 324         RelationsCommonList relationList = new RelationsCommonList();
 325         try{
 326             RemoteServiceContext ctx = createServiceContext(null);
 327             DocumentHandler handler = createDocumentHandler(ctx);
 328             Map propsFromPath = handler.getProperties();
 329             propsFromPath.put(IRelationsManager.SUBJECT, subjectCsid);
 330             propsFromPath.put(IRelationsManager.PREDICATE, predicate);
 331             propsFromPath.put(IRelationsManager.OBJECT, objectCsid);
 332             getRepositoryClient(ctx).getAll(ctx, handler);
 333             relationList = (RelationsCommonList) handler.getCommonPartList();
 334         }catch(Exception e){
 335             if(logger.isDebugEnabled()){
 336                 logger.debug("Caught exception in getRelationList", e);
 337             }
 338             Response response = Response.status(
 339                     Response.Status.INTERNAL_SERVER_ERROR).entity(
 340                     "Index failed").type("text/plain").build();
 341             throw new WebApplicationException(response);
 342         }
 343         return relationList;
 344     }
 345 }