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.blob.BlobUtil;
  36 import org.collectionspace.services.common.context.ServiceContext;
  37 import org.collectionspace.services.common.document.DocumentWrapper;
  38 import org.collectionspace.services.common.document.DocumentHandler.Action;
  39 import org.collectionspace.services.common.imaging.nuxeo.NuxeoImageUtils;
  40 import org.collectionspace.services.common.DocHandlerBase;
  41
  42 import org.collectionspace.services.blob.BlobsCommonList;
  43 import org.collectionspace.services.blob.BlobsCommon;
  44 import org.collectionspace.services.blob.BlobsCommonList.BlobListItem;
  45
  46 import org.collectionspace.services.nuxeo.client.java.DocumentModelHandler;
  47 import org.collectionspace.services.nuxeo.client.java.RemoteDocumentModelHandlerImpl;
  48 import org.collectionspace.services.nuxeo.util.NuxeoUtils;
  49
  50 import org.jboss.resteasy.plugins.providers.multipart.MultipartInput;
  51 import org.jboss.resteasy.plugins.providers.multipart.MultipartOutput;
  52 import org.nuxeo.ecm.core.api.DocumentModel;
  53 import org.nuxeo.ecm.core.api.DocumentModelList;
  54 import org.nuxeo.ecm.core.api.repository.RepositoryInstance;
  55 import org.nuxeo.ecm.core.api.ClientException;
  56
  57 import org.slf4j.Logger;
  58 import org.slf4j.LoggerFactory;
  59
  60 /**
  61  * The Class BlobDocumentModelHandler.
  62  */
  63 public class BlobDocumentModelHandler
  64 extends DocHandlerBase<BlobsCommon, AbstractCommonList> {
  65
  66         /** The logger. */
  67         private final Logger logger = LoggerFactory.getLogger(BlobDocumentModelHandler.class);
  68
  69         public final String getNuxeoSchemaName(){
  70                 return "blobs";
  71         }
  72
  73         public String getSummaryFields(AbstractCommonList commonList){
  74                 return "name|mimeType|encoding|length|uri|csid";
  75         }
  76
  77         public AbstractCommonList createAbstractCommonListImpl(){
  78                 return new BlobsCommonList();
  79         }
  80
  81         public List createItemsList(AbstractCommonList commonList){
  82                 List list = ((BlobsCommonList)commonList).getBlobListItem();
  83                 return list;
  84         }
  85
  86         private String getDerivativePathBase(DocumentModel docModel) {
  87                 return getServiceContextPath() + docModel.getName() + "/" +
  88                         BlobInput.URI_DERIVATIVES_PATH + "/";
  89         }
  90
  91         public Object createItemForCommonList(DocumentModel docModel, String label, String id) throws Exception {
  92                 BlobListItem item = new BlobListItem();
  93                 item.setEncoding((String)
  94                                 docModel.getProperty(label, BlobJAXBSchema.encoding));
  95                 item.setMimeType((String)
  96                                 docModel.getProperty(label, BlobJAXBSchema.mimeType));
  97                 //String theData = (String)
  98                 docModel.getProperty(label, BlobJAXBSchema.data);
  99                 item.setName((String)
 100                                 docModel.getProperty(label, BlobJAXBSchema.name));
 101                 item.setLength((String)
 102                                 docModel.getProperty(label, BlobJAXBSchema.length));
 103                 item.setUri(getServiceContextPath() + id);
 104                 item.setCsid(id);
 105                 return item;
 106         }
 107
 108         private BlobsCommon getCommonPartProperties(DocumentModel docModel) throws Exception {
 109                 String label = getServiceContext().getCommonPartLabel();
 110                 BlobsCommon result = new BlobsCommon();
 111
 112                 result.setData((String)
 113                                 docModel.getProperty(label, BlobJAXBSchema.data));
 114                 result.setDigest((String)
 115                                 docModel.getProperty(label, BlobJAXBSchema.digest));
 116                 result.setEncoding((String)
 117                                 docModel.getProperty(label, BlobJAXBSchema.encoding));
 118                 result.setLength((String)
 119                                 docModel.getProperty(label, BlobJAXBSchema.length));
 120                 result.setMimeType((String)
 121                                 docModel.getProperty(label, BlobJAXBSchema.mimeType));
 122                 result.setName((String)
 123                                 docModel.getProperty(label, BlobJAXBSchema.name));
 124                 result.setRepositoryId((String)
 125                                 docModel.getProperty(label, BlobJAXBSchema.repositoryId));
 126                 result.setUri(getServiceContextPath() + docModel.getName() + "/" +
 127                                 BlobInput.URI_CONTENT_PATH);
 128
 129                 return result;
 130         }
 131
 132         private void setCommonPartProperties(DocumentModel documentModel,
 133                         BlobsCommon blobsCommon) throws ClientException {
 134                 String label = getServiceContext().getCommonPartLabel();
 135                 documentModel.setProperty(label, BlobJAXBSchema.data, blobsCommon.getData());
 136                 documentModel.setProperty(label, BlobJAXBSchema.digest, blobsCommon.getDigest());
 137                 documentModel.setProperty(label, BlobJAXBSchema.encoding, blobsCommon.getEncoding());
 138                 documentModel.setProperty(label, BlobJAXBSchema.length, blobsCommon.getLength());
 139                 documentModel.setProperty(label, BlobJAXBSchema.mimeType, blobsCommon.getMimeType());
 140                 documentModel.setProperty(label, BlobJAXBSchema.name, blobsCommon.getName());
 141                 documentModel.setProperty(label, BlobJAXBSchema.uri, blobsCommon.getUri());
 142                 documentModel.setProperty(label, BlobJAXBSchema.repositoryId, blobsCommon.getRepositoryId());
 143         }
 144
 145         /* (non-Javadoc)
 146          * @see org.collectionspace.services.nuxeo.client.java.DocumentModelHandler#extractAllParts(org.collectionspace.services.common.document.DocumentWrapper)
 147          */
 148         @Override
 149         public void extractAllParts(DocumentWrapper<DocumentModel> wrapDoc)
 150                         throws Exception {
 151                 ServiceContext ctx = this.getServiceContext();
 152                 BlobInput blobInput = BlobUtil.getBlobInput(ctx);
 153                 RepositoryInstance repoSession = this.getRepositorySession();
 154                 DocumentModel docModel = wrapDoc.getWrappedObject();
 155                 BlobsCommon blobsCommon = this.getCommonPartProperties(docModel);
 156                 String blobRepositoryId = blobsCommon.getRepositoryId(); //cache the value to pass to the blob retriever
 157
 158                 if (blobInput.isDerivativeListRequested() == true) {
 159                         BlobsCommonList blobsCommonList = NuxeoImageUtils.getBlobDerivatives(
 160                                         repoSession, blobRepositoryId, getDerivativePathBase(docModel));
 161 //                      ctx.setProperty(BlobInput.BLOB_DERIVATIVE_LIST_KEY, blobsCommonList);
 162                         blobInput.setDerivativeList(blobsCommonList);
 163                         return;  //FIXME: Don't like this exit point.  Perhaps derivatives should be a sub-resource?
 164                 }
 165
 166                 String derivativeTerm = blobInput.getDerivativeTerm();
 167                 Boolean getContentFlag = blobInput.isContentRequested();
 168                 BlobOutput blobOutput = NuxeoImageUtils.getBlobOutput(ctx, repoSession,
 169                                 blobRepositoryId, derivativeTerm, getContentFlag);
 170                 if (getContentFlag == true) {
 171                         blobInput.setContentStream(blobOutput.getBlobInputStream());
 172 //                      ctx.setProperty(BlobInput.BLOB_CONTENT_KEY, blobOutput.getBlobInputStream());
 173                 }
 174
 175                 if (derivativeTerm != null) {
 176                         // reset 'blobsCommon' if we have a derivative request
 177                         blobsCommon = blobOutput.getBlobsCommon();
 178                         blobsCommon.setUri(getDerivativePathBase(docModel) +
 179                                         derivativeTerm + "/" + BlobInput.URI_CONTENT_PATH);
 180                 }
 181
 182                 blobsCommon.setRepositoryId(null); //hide the repository id from the GET results payload since it is private
 183                 this.setCommonPartProperties(docModel, blobsCommon);
 184                 // finish extracting the other parts by calling the parent
 185                 super.extractAllParts(wrapDoc);
 186         }
 187
 188         @Override
 189         public void fillAllParts(DocumentWrapper<DocumentModel> wrapDoc, Action action) throws Exception {
 190                 ServiceContext ctx = this.getServiceContext();
 191                 BlobInput blobInput = BlobUtil.getBlobInput(ctx);
 192                 if (blobInput.getBlobFile() != null) {
 193                         //
 194                         // If blobInput has a file then we just received a multipart/form-data file post
 195                         //
 196                         DocumentModel documentModel = wrapDoc.getWrappedObject();
 197                         RepositoryInstance repoSession = this.getRepositorySession();
 198                         BlobsCommon blobsCommon = NuxeoImageUtils.createPicture(ctx, repoSession, blobInput);
 199                         this.setCommonPartProperties(documentModel, blobsCommon);
 200                         blobInput.setBlobCsid(documentModel.getName());
 201                 } else {
 202                         super.fillAllParts(wrapDoc, action);
 203                 }
 204         }
 205 }
 206