git.aero2k.de Git - tmp/jakarta-migration.git/blob

   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.blob.nuxeo;
  25
  26 import org.collectionspace.services.blob.BlobsCommon;
  27 import org.collectionspace.services.nuxeo.client.java.DocHandlerBase;
  28 import org.collectionspace.services.common.blob.BlobInput;
  29 import org.collectionspace.services.common.blob.BlobOutput;
  30 import org.collectionspace.services.common.blob.BlobUtil;
  31 import org.collectionspace.services.common.context.ServiceContext;
  32 import org.collectionspace.services.common.document.DocumentWrapper;
  33 import org.collectionspace.services.common.imaging.nuxeo.NuxeoImageUtils;
  34 import org.collectionspace.services.jaxb.AbstractCommonList;
  35 import org.collectionspace.services.jaxb.BlobJAXBSchema;
  36 import org.collectionspace.services.jaxb.AbstractCommonList;
  37 import org.collectionspace.services.nuxeo.client.java.CommonList;
  38 import org.nuxeo.ecm.core.api.ClientException;
  39 import org.nuxeo.ecm.core.api.DocumentModel;
  40 import org.nuxeo.ecm.core.api.repository.RepositoryInstance;
  41 import org.slf4j.Logger;
  42 import org.slf4j.LoggerFactory;
  43
  44 import java.util.ArrayList;
  45 import java.util.List;
  46
  47 /**
  48  * The Class BlobDocumentModelHandler.
  49  */
  50 public class BlobDocumentModelHandler
  51 extends DocHandlerBase<BlobsCommon> {
  52
  53         /** The logger. */
  54         private final Logger logger = LoggerFactory.getLogger(BlobDocumentModelHandler.class);
  55
  56     //==============================================================================
  57
  58         private String getDerivativePathBase(DocumentModel docModel) {
  59                 return getServiceContextPath() + docModel.getName() + "/" +
  60                         BlobInput.URI_DERIVATIVES_PATH + "/";
  61         }
  62
  63         private BlobsCommon getCommonPartProperties(DocumentModel docModel) throws Exception {
  64                 String label = getServiceContext().getCommonPartLabel();
  65                 BlobsCommon result = new BlobsCommon();
  66
  67                 result.setData((String)
  68                                 docModel.getProperty(label, BlobJAXBSchema.data));
  69                 result.setDigest((String)
  70                                 docModel.getProperty(label, BlobJAXBSchema.digest));
  71                 result.setEncoding((String)
  72                                 docModel.getProperty(label, BlobJAXBSchema.encoding));
  73                 result.setLength((String)
  74                                 docModel.getProperty(label, BlobJAXBSchema.length));
  75                 result.setMimeType((String)
  76                                 docModel.getProperty(label, BlobJAXBSchema.mimeType));
  77                 result.setName((String)
  78                                 docModel.getProperty(label, BlobJAXBSchema.name));
  79                 result.setRepositoryId((String)
  80                                 docModel.getProperty(label, BlobJAXBSchema.repositoryId));
  81                 result.setUri(getServiceContextPath() + docModel.getName() + "/" +
  82                                 BlobInput.URI_CONTENT_PATH);
  83
  84                 return result;
  85         }
  86
  87         private void setCommonPartProperties(DocumentModel documentModel,
  88                         BlobsCommon blobsCommon) throws ClientException {
  89                 String label = getServiceContext().getCommonPartLabel();
  90                 documentModel.setProperty(label, BlobJAXBSchema.data, blobsCommon.getData());
  91                 documentModel.setProperty(label, BlobJAXBSchema.digest, blobsCommon.getDigest());
  92                 documentModel.setProperty(label, BlobJAXBSchema.encoding, blobsCommon.getEncoding());
  93                 documentModel.setProperty(label, BlobJAXBSchema.length, blobsCommon.getLength());
  94                 documentModel.setProperty(label, BlobJAXBSchema.mimeType, blobsCommon.getMimeType());
  95                 documentModel.setProperty(label, BlobJAXBSchema.name, blobsCommon.getName());
  96                 documentModel.setProperty(label, BlobJAXBSchema.uri, blobsCommon.getUri());
  97                 documentModel.setProperty(label, BlobJAXBSchema.repositoryId, blobsCommon.getRepositoryId());
  98         }
  99
 100         /* (non-Javadoc)
 101          * @see org.collectionspace.services.nuxeo.client.java.DocumentModelHandler#extractAllParts(org.collectionspace.services.common.document.DocumentWrapper)
 102          */
 103         @Override
 104         public void extractAllParts(DocumentWrapper<DocumentModel> wrapDoc)
 105                         throws Exception {
 106                 ServiceContext ctx = this.getServiceContext();
 107                 BlobInput blobInput = BlobUtil.getBlobInput(ctx);
 108                 RepositoryInstance repoSession = this.getRepositorySession();
 109                 DocumentModel docModel = wrapDoc.getWrappedObject();
 110                 BlobsCommon blobsCommon = this.getCommonPartProperties(docModel);
 111                 String blobRepositoryId = blobsCommon.getRepositoryId(); //cache the value to pass to the blob retriever
 112
 113                 if (blobInput.isDerivativeListRequested() == true) {
 114                         CommonList blobsCommonList = NuxeoImageUtils.getBlobDerivatives(
 115                                         repoSession, blobRepositoryId, getDerivativePathBase(docModel));
 116 //                      ctx.setProperty(BlobInput.BLOB_DERIVATIVE_LIST_KEY, blobsCommonList);
 117                         blobInput.setDerivativeList(blobsCommonList);
 118                         return;  //FIXME: Don't like this exit point.  Perhaps derivatives should be a sub-resource?
 119                 }
 120
 121                 String derivativeTerm = blobInput.getDerivativeTerm();
 122                 Boolean getContentFlag = blobInput.isContentRequested();
 123                 BlobOutput blobOutput = NuxeoImageUtils.getBlobOutput(ctx, repoSession,
 124                                 blobRepositoryId, derivativeTerm, getContentFlag);
 125                 if (getContentFlag == true) {
 126                         blobInput.setContentStream(blobOutput.getBlobInputStream());
 127 //                      ctx.setProperty(BlobInput.BLOB_CONTENT_KEY, blobOutput.getBlobInputStream());
 128                 }
 129
 130                 if (derivativeTerm != null) {
 131                         // reset 'blobsCommon' if we have a derivative request
 132                         blobsCommon = blobOutput.getBlobsCommon();
 133                         blobsCommon.setUri(getDerivativePathBase(docModel) +
 134                                         derivativeTerm + "/" + BlobInput.URI_CONTENT_PATH);
 135                 }
 136
 137                 blobsCommon.setRepositoryId(null); //hide the repository id from the GET results payload since it is private
 138                 this.setCommonPartProperties(docModel, blobsCommon);
 139                 // finish extracting the other parts by calling the parent
 140                 super.extractAllParts(wrapDoc);
 141         }
 142
 143         @Override
 144         public void fillAllParts(DocumentWrapper<DocumentModel> wrapDoc, Action action) throws Exception {
 145                 ServiceContext ctx = this.getServiceContext();
 146                 BlobInput blobInput = BlobUtil.getBlobInput(ctx);
 147                 if (blobInput.getBlobFile() != null) {
 148                         //
 149                         // If blobInput has a file then we just received a multipart/form-data file post or a URI query parameter
 150                         //
 151                         DocumentModel documentModel = wrapDoc.getWrappedObject();
 152                         RepositoryInstance repoSession = this.getRepositorySession();
 153                         BlobsCommon blobsCommon = NuxeoImageUtils.createPicture(ctx, repoSession, blobInput);
 154                         this.setCommonPartProperties(documentModel, blobsCommon);
 155                         blobInput.setBlobCsid(documentModel.getName());
 156                 } else {
 157                         super.fillAllParts(wrapDoc, action);
 158                 }
 159         }
 160 }
 161