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 java.io.InputStream;
  27 import java.util.Iterator;
  28 import java.util.List;
  29
  30 import org.collectionspace.services.jaxb.AbstractCommonList;
  31 import org.collectionspace.services.jaxb.BlobJAXBSchema;
  32
  33 import org.collectionspace.services.common.blob.BlobInput;
  34 import org.collectionspace.services.common.blob.BlobOutput;
  35 import org.collectionspace.services.common.context.ServiceContext;
  36 import org.collectionspace.services.common.document.DocumentWrapper;
  37 import org.collectionspace.services.common.document.DocumentHandler.Action;
  38 import org.collectionspace.services.common.imaging.nuxeo.NuxeoImageUtils;
  39 import org.collectionspace.services.common.DocHandlerBase;
  40
  41 import org.collectionspace.services.blob.BlobsCommonList;
  42 import org.collectionspace.services.blob.BlobsCommon;
  43 import org.collectionspace.services.blob.BlobsCommonList.BlobListItem;
  44
  45 import org.collectionspace.services.nuxeo.client.java.DocumentModelHandler;
  46 import org.collectionspace.services.nuxeo.client.java.RemoteDocumentModelHandlerImpl;
  47 import org.collectionspace.services.nuxeo.util.NuxeoUtils;
  48
  49 import org.nuxeo.ecm.core.api.DocumentModel;
  50 import org.nuxeo.ecm.core.api.DocumentModelList;
  51 import org.nuxeo.ecm.core.api.repository.RepositoryInstance;
  52 import org.nuxeo.ecm.core.api.ClientException;
  53
  54 import org.slf4j.Logger;
  55 import org.slf4j.LoggerFactory;
  56
  57 /**
  58  * The Class BlobDocumentModelHandler.
  59  */
  60 public class BlobDocumentModelHandler
  61 extends DocHandlerBase<BlobsCommon, AbstractCommonList> {
  62
  63         /** The logger. */
  64         private final Logger logger = LoggerFactory.getLogger(BlobDocumentModelHandler.class);
  65
  66         public final String getNuxeoSchemaName(){
  67                 return "blobs";
  68         }
  69
  70         public String getSummaryFields(AbstractCommonList commonList){
  71                 return "name|mimeType|encoding|length|uri|csid";
  72         }
  73
  74         public AbstractCommonList createAbstractCommonListImpl(){
  75                 return new BlobsCommonList();
  76         }
  77
  78         public List createItemsList(AbstractCommonList commonList){
  79                 List list = ((BlobsCommonList)commonList).getBlobListItem();
  80                 return list;
  81         }
  82
  83         private String getDerivativePathBase(DocumentModel docModel) {
  84                 return getServiceContextPath() + docModel.getName() + "/" +
  85                         BlobInput.URI_DERIVATIVES_PATH + "/";
  86         }
  87
  88         public Object createItemForCommonList(DocumentModel docModel, String label, String id) throws Exception {
  89                 BlobListItem item = new BlobListItem();
  90                 item.setEncoding((String)
  91                                 docModel.getProperty(label, BlobJAXBSchema.encoding));
  92                 item.setMimeType((String)
  93                                 docModel.getProperty(label, BlobJAXBSchema.mimeType));
  94                 //String theData = (String)
  95                 docModel.getProperty(label, BlobJAXBSchema.data);
  96                 item.setName((String)
  97                                 docModel.getProperty(label, BlobJAXBSchema.name));
  98                 item.setLength((String)
  99                                 docModel.getProperty(label, BlobJAXBSchema.length));
 100                 item.setUri(getServiceContextPath() + id);
 101                 item.setCsid(id);
 102                 return item;
 103         }
 104
 105         private BlobsCommon getCommonPartProperties(DocumentModel docModel) throws Exception {
 106                 String label = getServiceContext().getCommonPartLabel();
 107                 BlobsCommon result = new BlobsCommon();
 108
 109                 result.setData((String)
 110                                 docModel.getProperty(label, BlobJAXBSchema.data));
 111                 result.setDigest((String)
 112                                 docModel.getProperty(label, BlobJAXBSchema.digest));
 113                 result.setEncoding((String)
 114                                 docModel.getProperty(label, BlobJAXBSchema.encoding));
 115                 result.setLength((String)
 116                                 docModel.getProperty(label, BlobJAXBSchema.length));
 117                 result.setMimeType((String)
 118                                 docModel.getProperty(label, BlobJAXBSchema.mimeType));
 119                 result.setName((String)
 120                                 docModel.getProperty(label, BlobJAXBSchema.name));
 121                 result.setRepositoryId((String)
 122                                 docModel.getProperty(label, BlobJAXBSchema.repositoryId));
 123                 result.setUri(getServiceContextPath() + docModel.getName() + "/" +
 124                                 BlobInput.URI_CONTENT_PATH);
 125
 126                 return result;
 127         }
 128
 129         private void setCommonPartProperties(DocumentModel documentModel,
 130                         BlobsCommon blobsCommon) throws ClientException {
 131                 String label = getServiceContext().getCommonPartLabel();
 132                 documentModel.setProperty(label, BlobJAXBSchema.data, blobsCommon.getData());
 133                 documentModel.setProperty(label, BlobJAXBSchema.digest, blobsCommon.getDigest());
 134                 documentModel.setProperty(label, BlobJAXBSchema.encoding, blobsCommon.getEncoding());
 135                 documentModel.setProperty(label, BlobJAXBSchema.length, blobsCommon.getLength());
 136                 documentModel.setProperty(label, BlobJAXBSchema.mimeType, blobsCommon.getMimeType());
 137                 documentModel.setProperty(label, BlobJAXBSchema.name, blobsCommon.getName());
 138                 documentModel.setProperty(label, BlobJAXBSchema.uri, blobsCommon.getUri());
 139                 documentModel.setProperty(label, BlobJAXBSchema.repositoryId, blobsCommon.getRepositoryId());
 140         }
 141
 142         /* (non-Javadoc)
 143          * @see org.collectionspace.services.nuxeo.client.java.DocumentModelHandler#extractAllParts(org.collectionspace.services.common.document.DocumentWrapper)
 144          */
 145         @Override
 146         public void extractAllParts(DocumentWrapper<DocumentModel> wrapDoc)
 147                         throws Exception {
 148                 ServiceContext ctx = this.getServiceContext();
 149                 RepositoryInstance repoSession = this.getRepositorySession();
 150                 DocumentModel docModel = wrapDoc.getWrappedObject();
 151                 BlobsCommon blobsCommon = this.getCommonPartProperties(docModel);
 152                 String blobRepositoryId = blobsCommon.getRepositoryId(); //cache the value to pass to the blob retriever
 153
 154                 if (ctx.getProperty(BlobInput.BLOB_DERIVATIVE_LIST_KEY) != null) {
 155                         BlobsCommonList blobsCommonList = NuxeoImageUtils.getBlobDerivatives(
 156                                         repoSession, blobRepositoryId, getDerivativePathBase(docModel));
 157                         ctx.setProperty(BlobInput.BLOB_DERIVATIVE_LIST_KEY, blobsCommonList);
 158                         return;  //FIXME: Don't like this exit point.  Perhaps derivatives should be a sub-resource?
 159                 }
 160
 161                 String derivativeTerm = (String)ctx.getProperty(BlobInput.BLOB_DERIVATIVE_TERM_KEY);
 162                 Boolean getContentFlag = ctx.getProperty(BlobInput.BLOB_CONTENT_KEY) != null ? true : false;
 163                 BlobOutput blobOutput = NuxeoImageUtils.getBlobOutput(ctx, repoSession,
 164                                 blobRepositoryId, derivativeTerm, getContentFlag);
 165                 if (getContentFlag == true) {
 166                         ctx.setProperty(BlobInput.BLOB_CONTENT_KEY, blobOutput.getBlobInputStream());
 167                 }
 168
 169                 if (derivativeTerm != null) {
 170                         // reset 'blobsCommon' if we have a derivative request
 171                         blobsCommon = blobOutput.getBlobsCommon();
 172                         blobsCommon.setUri(getDerivativePathBase(docModel) +
 173                                         derivativeTerm + "/" + BlobInput.URI_CONTENT_PATH);
 174                 }
 175
 176                 blobsCommon.setRepositoryId(null); //hide the repository id from the GET results payload since it is private
 177                 this.setCommonPartProperties(docModel, blobsCommon);
 178                 // finish extracting the other parts by calling the parent
 179                 super.extractAllParts(wrapDoc);
 180         }
 181
 182         @Override
 183         public void fillAllParts(DocumentWrapper<DocumentModel> wrapDoc, Action action) throws Exception {
 184                 ServiceContext ctx = this.getServiceContext();
 185                 BlobInput blobInput = (BlobInput)ctx.getProperty(BlobInput.class.getName());
 186                 if (blobInput == null) {
 187                         super.fillAllParts(wrapDoc, action);
 188                 } else {
 189                         //
 190                         // If blobInput is set then we just received a multipart/form-data file post
 191                         //
 192                         DocumentModel documentModel = wrapDoc.getWrappedObject();
 193                         RepositoryInstance repoSession = this.getRepositorySession();
 194                         BlobsCommon blobsCommon = NuxeoImageUtils.createPicture(ctx, repoSession, blobInput);
 195                         this.setCommonPartProperties(documentModel, blobsCommon);
 196                 }
 197         }
 198 }
 199