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