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

   1 /**     \r
   2  * NuxeoImageUtils.java\r
   3  *\r
   4  * {Purpose of This Class}\r
   5  *\r
   6  * {Other Notes Relating to This Class (Optional)}\r
   7  *\r
   8  * $LastChangedBy: $\r
   9  * $LastChangedRevision: $\r
  10  * $LastChangedDate: $\r
  11  *\r
  12  * This document is a part of the source code and related artifacts\r
  13  * for CollectionSpace, an open source collections management system\r
  14  * for museums and related institutions:\r
  15  *\r
  16  * http://www.collectionspace.org\r
  17  * http://wiki.collectionspace.org\r
  18  *\r
  19  * Copyright © 2009 {Contributing Institution}\r
  20  *\r
  21  * Licensed under the Educational Community License (ECL), Version 2.0.\r
  22  * You may not use this file except in compliance with this License.\r
  23  *\r
  24  * You may obtain a copy of the ECL 2.0 License at\r
  25  * https://source.collectionspace.org/collection-space/LICENSE.txt\r
  26  */\r
  27 package org.collectionspace.services.common.imaging.nuxeo;\r
  28 \r
  29 import java.io.File;\r
  30 import java.io.ByteArrayOutputStream;\r
  31 import java.io.InputStream;\r
  32 import java.io.FileInputStream;\r
  33 import java.io.BufferedInputStream;\r
  34 import java.io.IOException;\r
  35 \r
  36 import java.io.Serializable;\r
  37 import java.util.ArrayList;\r
  38 import java.util.HashMap;\r
  39 import java.util.List;\r
  40 import java.util.Map;\r
  41 \r
  42 import org.nuxeo.runtime.api.Framework;\r
  43 import org.nuxeo.runtime.api.ServiceManager;\r
  44 import org.nuxeo.runtime.api.ServiceDescriptor;\r
  45 import org.nuxeo.runtime.services.streaming.RemoteInputStream;\r
  46 import org.nuxeo.runtime.services.streaming.StreamSource;\r
  47 import org.nuxeo.runtime.services.streaming.FileSource;\r
  48 \r
  49 \r
  50 //import org.nuxeo.common.utils.FileUtils;\r
  51 \r
  52 import org.nuxeo.ecm.platform.picture.api.adapters.MultiviewPictureAdapter;\r
  53 import org.nuxeo.ecm.platform.picture.api.adapters.MultiviewPictureAdapterFactory; \r
  54 import org.nuxeo.ecm.platform.picture.api.PictureView;\r
  55 \r
  56 import org.nuxeo.ecm.platform.picture.api.adapters.PictureResourceAdapter;\r
  57 import org.nuxeo.ecm.platform.mimetype.MimetypeDetectionException;\r
  58 import org.nuxeo.ecm.platform.mimetype.interfaces.MimetypeRegistry;\r
  59 import org.nuxeo.ecm.platform.picture.api.adapters.PictureBlobHolder;\r
  60 import org.nuxeo.ecm.platform.picture.extension.ImagePlugin;\r
  61 import org.nuxeo.ecm.platform.filemanager.api.FileManager;\r
  62 import org.nuxeo.ecm.platform.filemanager.service.FileManagerService;\r
  63 import org.nuxeo.ecm.platform.types.TypeManager;\r
  64 import org.nuxeo.ecm.platform.picture.api.adapters.PictureBlobHolderFactory;\r
  65 import org.nuxeo.ecm.platform.picture.api.adapters.PictureBlobHolder;\r
  66 \r
  67 import org.nuxeo.ecm.core.repository.RepositoryDescriptor;\r
  68 import org.nuxeo.ecm.core.repository.RepositoryManager;\r
  69 \r
  70 import org.nuxeo.ecm.core.repository.RepositoryService;\r
  71 import org.nuxeo.runtime.model.ComponentManager;\r
  72 import org.nuxeo.runtime.model.ComponentInstance;\r
  73 import org.nuxeo.runtime.model.impl.ComponentManagerImpl;\r
  74 //import org.nuxeo.ecm.core.api.ejb.DocumentManagerBean;\r
  75 //import org.nuxeo.ecm.core.storage.sql.RepositoryImpl;\r
  76 //import org.nuxeo.ecm.core.storage.sql.Repository;\r
  77 import org.nuxeo.ecm.core.storage.sql.BinaryManager;\r
  78 import org.nuxeo.ecm.core.storage.sql.DefaultBinaryManager;\r
  79 import org.nuxeo.ecm.core.storage.sql.coremodel.SQLRepository;\r
  80 import org.nuxeo.ecm.core.storage.sql.coremodel.SQLBlob;\r
  81 //import org.nuxeo.ecm.core.storage.sql.RepositoryDescriptor;\r
  82 \r
  83 //import org.nuxeo.ecm.core.api.DocumentResolver;\r
  84 import org.nuxeo.ecm.core.api.IdRef;\r
  85 import org.nuxeo.ecm.core.api.blobholder.BlobHolder;\r
  86 import org.nuxeo.ecm.core.api.blobholder.DocumentBlobHolder;\r
  87 import org.nuxeo.ecm.core.api.impl.blob.FileBlob;\r
  88 import org.nuxeo.ecm.core.api.impl.blob.StreamingBlob;\r
  89 import org.nuxeo.ecm.core.api.impl.blob.ByteArrayBlob;\r
  90 import org.nuxeo.ecm.core.api.repository.RepositoryInstance;\r
  91 import org.nuxeo.ecm.core.api.repository.Repository;\r
  92 import org.nuxeo.ecm.core.api.Blob;\r
  93 import org.nuxeo.ecm.core.api.ClientException;\r
  94 import org.nuxeo.ecm.core.api.DocumentModel;\r
  95 import org.nuxeo.ecm.core.api.DocumentRef;\r
  96 import org.nuxeo.ecm.core.api.blobholder.BlobHolder;\r
  97 import org.nuxeo.ecm.core.api.blobholder.BlobHolderAdapterService;\r
  98 import org.nuxeo.ecm.core.api.impl.DocumentModelImpl;\r
  99 import org.nuxeo.ecm.core.api.impl.blob.FileBlob;\r
 100 \r
 101 import org.nuxeo.ecm.core.model.Document;\r
 102 import org.nuxeo.ecm.core.schema.SchemaManager;\r
 103 import org.nuxeo.ecm.core.schema.types.Schema;\r
 104 \r
 105 import org.slf4j.Logger;\r
 106 import org.slf4j.LoggerFactory;\r
 107 //import org.nuxeo.ecm.core.repository.jcr.testing.RepositoryOSGITestCase;\r
 108 \r
 109 import org.collectionspace.services.common.ServiceMain;\r
 110 import org.collectionspace.services.common.blob.BlobInput;\r
 111 import org.collectionspace.services.common.context.ServiceContext;\r
 112 import org.collectionspace.services.common.document.DocumentUtils;\r
 113 import org.collectionspace.services.common.FileUtils;\r
 114 import org.collectionspace.services.blob.BlobsCommon;\r
 115 import org.collectionspace.services.blob.BlobsCommonList;\r
 116 import org.collectionspace.services.blob.BlobsCommonList.BlobListItem;\r
 117 import org.collectionspace.services.common.blob.BlobOutput;\r
 118 \r
 119 // TODO: Auto-generated Javadoc\r
 120 /**\r
 121  * The Class NuxeoImageUtils.\r
 122  */\r
 123 public class NuxeoImageUtils {\r
 124         /** The Constant logger. */\r
 125         private static final Logger logger = LoggerFactory.getLogger(NuxeoImageUtils.class);\r
 126 \r
 127         /*\r
 128          * FIXME: REM - These constants should be coming from configuration and NOT hard coded.\r
 129          */\r
 130         public static final String DERIVATIVE_ORIGINAL = "Original";\r
 131         public static final String DERIVATIVE_ORIGINAL_TAG = DERIVATIVE_ORIGINAL + "_";\r
 132 \r
 133         public static final String DERIVATIVE_ORIGINAL_JPEG = "OriginalJpeg";\r
 134         public static final String DERIVATIVE_ORIGINAL_JPEG_TAG = DERIVATIVE_ORIGINAL_JPEG + "_";\r
 135 \r
 136         public static final String DERIVATIVE_MEDIUM = "Medium";\r
 137         public static final String DERIVATIVE_MEDIUM_TAG = DERIVATIVE_MEDIUM + "_";\r
 138 \r
 139         public static final String DERIVATIVE_THUMBNAIL = "Thumbnail";\r
 140         public static final String DERIVATIVE_THUMBNAIL_TAG = DERIVATIVE_THUMBNAIL + "_";\r
 141 \r
 142         public static final String DERIVATIVE_UNKNOWN = "_UNKNOWN_DERIVATIVE_NAME_";\r
 143 \r
 144         //      static DefaultBinaryManager binaryManager = new DefaultBinaryManager(); //can we get this from Nuxeo? i.e., Framework.getService(BinaryManger.class)\r
 145 \r
 146         //      /** The temp file name. */\r
 147         //static String tempFileName = "sunset.jpg";\r
 148         //      \r
 149         //      /** The file separator. */\r
 150         //      static String fileSeparator = System.getProperty("file.separator");\r
 151         //      \r
 152         //      /** The cur dir. */\r
 153         //      static String curDir = System.getProperty("user.dir");\r
 154 \r
 155         /**\r
 156          * Instantiates a new nuxeo image utils.\r
 157          */\r
 158         NuxeoImageUtils() {\r
 159                 //empty constructor\r
 160         }\r
 161 \r
 162         private static String toStringPictureView(PictureView pictureView) {\r
 163                 StringBuffer strBuffer = new StringBuffer();\r
 164                 strBuffer.append("Description: " + pictureView.getDescription() + '\n');\r
 165                 strBuffer.append("FileName: " + pictureView.getFilename() + '\n');\r
 166                 strBuffer.append("Height: " + pictureView.getHeight() + '\n');\r
 167                 strBuffer.append("Width: " + pictureView.getWidth() + '\n');\r
 168                 strBuffer.append("Tag: " + pictureView.getTag() + '\n');\r
 169                 strBuffer.append("Title: " + pictureView.getTitle() + '\n');\r
 170                 return strBuffer.toString();\r
 171         }\r
 172 \r
 173         //FIXME: REM - This needs to be configuration-bases and NOT hard coded!\r
 174         //FIXME: REM - Use MultiviewPicture adapter to get some of this information\r
 175         static private String getDerivativeUri(String uri, String derivativeName) {\r
 176                 String result = DERIVATIVE_UNKNOWN;\r
 177 \r
 178                 if (derivativeName.startsWith(DERIVATIVE_ORIGINAL_TAG) == true) {\r
 179                         result = DERIVATIVE_ORIGINAL;\r
 180                 } else if (derivativeName.startsWith(DERIVATIVE_ORIGINAL_JPEG_TAG) == true) {\r
 181                         result = DERIVATIVE_ORIGINAL_JPEG;\r
 182                 } else if (derivativeName.startsWith(DERIVATIVE_MEDIUM_TAG) == true) {\r
 183                         result = DERIVATIVE_MEDIUM;\r
 184                 } else if (derivativeName.startsWith(DERIVATIVE_THUMBNAIL_TAG) == true) {\r
 185                         result = DERIVATIVE_THUMBNAIL;\r
 186                 }\r
 187 \r
 188                 return uri + result + "/" + BlobInput.URI_CONTENT_PATH;\r
 189         }\r
 190 \r
 191         static private BlobListItem createBlobListItem(Blob blob, String uri) {\r
 192                 BlobListItem result = new BlobListItem();\r
 193 \r
 194                 result.setEncoding(blob.getEncoding());\r
 195                 result.setLength(Long.toString(blob.getLength()));\r
 196                 result.setMimeType(blob.getMimeType());\r
 197                 result.setName(blob.getFilename());\r
 198                 result.setUri(getDerivativeUri(uri, blob.getFilename()));\r
 199 \r
 200                 return result;\r
 201         }\r
 202 \r
 203         static public BlobsCommonList getBlobDerivatives(RepositoryInstance repoSession,\r
 204                         String repositoryId,\r
 205                         String uri) throws Exception {\r
 206                 BlobsCommonList result = new BlobsCommonList();\r
 207 \r
 208                 IdRef documentRef = new IdRef(repositoryId);\r
 209                 DocumentModel documentModel = repoSession.getDocument(documentRef);             \r
 210                 DocumentBlobHolder docBlobHolder = (DocumentBlobHolder)documentModel.getAdapter(BlobHolder.class);\r
 211                 List<Blob> docBlobs = docBlobHolder.getBlobs();         \r
 212                 List<BlobListItem> blobListItems = result.getBlobListItem();\r
 213                 BlobListItem blobListItem = null;\r
 214                 for (Blob blob : docBlobs) {\r
 215                         blobListItem = createBlobListItem(blob, uri);\r
 216                         blobListItems.add(blobListItem);\r
 217                 }\r
 218 \r
 219                 return result;\r
 220         }\r
 221 \r
 222         static private BlobsCommon createBlobsCommon(DocumentModel documentModel, Blob nuxeoBlob) {\r
 223                 BlobsCommon result = new BlobsCommon();\r
 224                 if (documentModel != null) {\r
 225                         result.setMimeType(nuxeoBlob.getMimeType());\r
 226                         result.setName(nuxeoBlob.getFilename());\r
 227                         result.setLength(Long.toString(nuxeoBlob.getLength()));\r
 228                         result.setRepositoryId(documentModel.getId());\r
 229                 }\r
 230                 return result;\r
 231         }\r
 232 \r
 233         static private File getBlobFile(RepositoryInstance ri, DocumentModel documentModel, Blob blob) {\r
 234                 DefaultBinaryManager binaryManager = null;\r
 235                 RepositoryDescriptor descriptor = null;\r
 236 \r
 237                 try {\r
 238                         ServiceManager sm = (ServiceManager) Framework.getService(ServiceManager.class);\r
 239                         ServiceDescriptor[] sd = sm.getServiceDescriptors();\r
 240 \r
 241                         RepositoryService repositoryService1 = (RepositoryService) Framework.getRuntime().getComponent(\r
 242                                         RepositoryService.NAME);\r
 243                         RepositoryService repositoryService2 = (RepositoryService) Framework.getRuntime().getService(\r
 244                                         RepositoryService.class);\r
 245                         RepositoryService repositoryService3 = (RepositoryService) Framework.getService(\r
 246                                         RepositoryService.class);\r
 247                         RepositoryService repositoryService4 = (RepositoryService) Framework.getLocalService(\r
 248                                         RepositoryService.class);\r
 249                         ComponentManager componentManager1 = (ComponentManager) Framework.getService(ComponentManager.class);\r
 250                         ComponentManager componentManager2 = (ComponentManager) Framework.getService(ComponentManagerImpl.class);\r
 251 \r
 252 \r
 253                         //              RepositoryManager repositoryManager2 = (RepositoryManager) Framework.getService(RepositoryManager.class);\r
 254                         //              Repository repository = repositoryManager2.getDefaultRepository();\r
 255                         //              Map<String, String> repositoryMap = repository.getProperties();\r
 256                         //              String streamURI = ri.getStreamURI(arg0)\r
 257 \r
 258                         String repositoryName = documentModel.getRepositoryName();\r
 259                         //              RepositoryManager repositoryManager2 = (RepositoryManager) Framework.getService(RepositoryManager.class);               \r
 260                         RepositoryManager repositoryManager = repositoryService1.getRepositoryManager();\r
 261                         descriptor = repositoryManager.getDescriptor(repositoryName);\r
 262 \r
 263                         binaryManager = new DefaultBinaryManager();\r
 264 \r
 265                         File storageDir = binaryManager.getStorageDir();\r
 266                         //            SQLBlob blob = (SQLBlob) doc.getPropertyValue("schema:blobField");\r
 267                         File file = binaryManager.getFileForDigest(\r
 268                                         blob.getDigest(), false); \r
 269 \r
 270                         //              binaryManager = new DefaultBinaryManager();\r
 271                 } catch (Exception e) {\r
 272                         e.printStackTrace();\r
 273                 }\r
 274 \r
 275                 try {\r
 276                         binaryManager.initialize(\r
 277                                         SQLRepository.getDescriptor(descriptor));\r
 278                 } catch (IOException e) {\r
 279                         // TODO Auto-generated catch block\r
 280                         e.printStackTrace();\r
 281                 } catch (Exception e) {\r
 282                         // TODO Auto-generated catch block\r
 283                         e.printStackTrace();\r
 284                 }\r
 285 \r
 286                 File storageDir = binaryManager.getStorageDir();\r
 287                 //        SQLBlob blob = (SQLBlob) documentModel.getPropertyValue("schema:blobField");\r
 288                 File file = binaryManager.getFileForDigest(\r
 289                                 blob.getDigest(), false);\r
 290 \r
 291                 return file;\r
 292         }\r
 293 \r
 294         /**\r
 295          * Returns a schema, given the name of a schema.\r
 296          *\r
 297          * @param schemaName  a schema name.\r
 298          * @return  a schema.\r
 299          */\r
 300         private static Schema getSchemaFromName(String schemaName) {\r
 301                 SchemaManager schemaManager = null;\r
 302                 try {\r
 303                         schemaManager = Framework.getService(SchemaManager.class);\r
 304                 } catch (Exception e) {\r
 305                         // TODO Auto-generated catch block\r
 306                         e.printStackTrace();\r
 307                 }\r
 308                 return schemaManager != null ? schemaManager.getSchema(schemaName) : null;\r
 309         }\r
 310 \r
 311         /**\r
 312          * Gets the blob.\r
 313          *\r
 314          * @param nuxeoSession the nuxeo session\r
 315          * @param id the id\r
 316          * @return the blob\r
 317          */\r
 318         static private Blob getBlob(RepositoryInstance nuxeoSession, String id) {\r
 319                 Blob result = null;\r
 320 \r
 321                 try {\r
 322                         Repository repository = nuxeoSession.getRepository();\r
 323                         //                      binaryManager.initialize(new RepositoryDescriptor());\r
 324                         //                      binaryManager.getBinary("a4cac052ae0281979f2dcf5ab2e61a6c");\r
 325                         //              DocumentResolver.resolveReference(nuxeoSession, documentRef);\r
 326                         //binaryManager = repository.getBinaryManager();\r
 327                         //              documentModel.getr\r
 328                 } catch (Exception x) {\r
 329                         x.printStackTrace();\r
 330                 }\r
 331 \r
 332                 return result;\r
 333         }\r
 334 \r
 335         /**\r
 336          * Gets the type service.\r
 337          *\r
 338          * @return the type service\r
 339          * @throws ClientException the client exception\r
 340          */\r
 341         private static TypeManager getTypeService() throws ClientException {\r
 342                 TypeManager typeService = null;\r
 343                 try {\r
 344                         typeService = Framework.getService(TypeManager.class);\r
 345                 } catch (Exception e) {\r
 346                         throw new ClientException(e);\r
 347                 }\r
 348                 return typeService;\r
 349         }\r
 350 \r
 351         /**\r
 352          * Gets the bytes.\r
 353          *\r
 354          * @param fis the fis\r
 355          * @return the bytes\r
 356          */\r
 357         private static byte[] getBytes(InputStream fis) {\r
 358                 ByteArrayOutputStream bos = new ByteArrayOutputStream();\r
 359                 byte[] buf = new byte[128 * 1024];\r
 360                 try {\r
 361                         for (int readNum; (readNum = fis.read(buf)) != -1;) {\r
 362                                 bos.write(buf, 0, readNum); \r
 363                                 //no doubt here is 0\r
 364                                 /*Writes len bytes from the specified byte array starting at offset \r
 365                 off to this byte array output stream.*/\r
 366                                 System.out.println("read " + readNum + " bytes,");\r
 367                         }\r
 368                 } catch (IOException ex) {\r
 369                         logger.error(ex.getMessage(), ex);\r
 370                 }\r
 371                 byte[] bytes = bos.toByteArray();\r
 372                 //bytes is the ByteArray we need\r
 373                 return bytes;\r
 374         }\r
 375 \r
 376         /**\r
 377          * Creates the serializable blob.\r
 378          *\r
 379          * @param fileInputStream the file input stream\r
 380          * @param filename the filename\r
 381          * @param mimeType the mime type\r
 382          * @return the blob\r
 383          */\r
 384         private static Blob createSerializableBlob(InputStream fileInputStream,\r
 385                         String filename, String mimeType) {\r
 386                 Blob blob = null;\r
 387                 try {\r
 388                         // persisting the blob makes it possible to read the binary content\r
 389                         // of the request stream several times (mimetype sniffing, digest\r
 390                         // computation, core binary storage)\r
 391                         byte[] bytes = getBytes(fileInputStream);\r
 392                         blob = new ByteArrayBlob(bytes);\r
 393                         // filename\r
 394                         if (filename != null) {\r
 395                                 filename = getCleanFileName(filename);\r
 396                         }\r
 397                         blob.setFilename(filename);\r
 398                         // mimetype detection\r
 399                         MimetypeRegistry mimeService = Framework.getService(MimetypeRegistry.class);\r
 400                         String detectedMimeType = mimeService.getMimetypeFromFilenameAndBlobWithDefault(\r
 401                                         filename, blob, null);\r
 402                         if (detectedMimeType == null) {\r
 403                                 if (mimeType != null) {\r
 404                                         detectedMimeType = mimeType;\r
 405                                 } else {\r
 406                                         // default\r
 407                                         detectedMimeType = "application/octet-stream";\r
 408                                 }\r
 409                         }\r
 410                         blob.setMimeType(detectedMimeType);\r
 411                 } catch (MimetypeDetectionException e) {\r
 412                         logger.error(String.format("could not fetch mimetype for file %s",\r
 413                                         filename), e);\r
 414                 } catch (Exception e) {\r
 415                         logger.error("", e);\r
 416                 }\r
 417                 return blob;\r
 418         }\r
 419 \r
 420         /**\r
 421          * Creates a serializable blob from a stream, with filename and mimetype\r
 422          * detection.\r
 423          * \r
 424          * <p>\r
 425          * Creates an in-memory blob if data is under 64K, otherwise constructs a\r
 426          * serializable FileBlob which stores data in a temporary file on the hard\r
 427          * disk.\r
 428          * </p>\r
 429          *\r
 430          * @param file the input stream holding data\r
 431          * @param filename the file name. Will be set on the blob and will used for\r
 432          * mimetype detection.\r
 433          * @param mimeType the detected mimetype at upload. Can be null. Will be\r
 434          * verified by the mimetype service.\r
 435          * @return the blob\r
 436          */\r
 437         private static Blob createStreamingBlob(InputStream file,\r
 438                         String filename, String mimeType) {\r
 439                 Blob blob = null;\r
 440                 try {\r
 441                         // persisting the blob makes it possible to read the binary content\r
 442                         // of the request stream several times (mimetype sniffing, digest\r
 443                         // computation, core binary storage)\r
 444                         blob = StreamingBlob.createFromStream(file, mimeType).persist();\r
 445                         // filename\r
 446                         if (filename != null) {\r
 447                                 filename = getCleanFileName(filename);\r
 448                         }\r
 449                         blob.setFilename(filename);\r
 450                         // mimetype detection\r
 451                         MimetypeRegistry mimeService = Framework.getService(MimetypeRegistry.class);\r
 452                         String detectedMimeType = mimeService.getMimetypeFromFilenameAndBlobWithDefault(\r
 453                                         filename, blob, null);\r
 454                         if (detectedMimeType == null) {\r
 455                                 if (mimeType != null) {\r
 456                                         detectedMimeType = mimeType;\r
 457                                 } else {\r
 458                                         // default\r
 459                                         detectedMimeType = "application/octet-stream";\r
 460                                 }\r
 461                         }\r
 462                         blob.setMimeType(detectedMimeType);\r
 463                 } catch (MimetypeDetectionException e) {\r
 464                         logger.error(String.format("could not fetch mimetype for file %s",\r
 465                                         filename), e);\r
 466                 } catch (IOException e) {\r
 467                         logger.error("", e);\r
 468                 } catch (Exception e) {\r
 469                         logger.error("", e);\r
 470                 }\r
 471                 return blob;\r
 472         }\r
 473 \r
 474         /**\r
 475          * Returns a clean filename, stripping upload path on client side.\r
 476          * <p>\r
 477          * Fixes NXP-544\r
 478          * </p>\r
 479          *\r
 480          * @param filename the filename\r
 481          * @return the clean file name\r
 482          */\r
 483         private static String getCleanFileName(String filename) {\r
 484                 String res = null;\r
 485                 int lastWinSeparator = filename.lastIndexOf('\\');\r
 486                 int lastUnixSeparator = filename.lastIndexOf('/');\r
 487                 int lastSeparator = Math.max(lastWinSeparator, lastUnixSeparator);\r
 488                 if (lastSeparator != -1) {\r
 489                         res = filename.substring(lastSeparator + 1, filename.length());\r
 490                 } else {\r
 491                         res = filename;\r
 492                 }\r
 493                 return res;\r
 494         }\r
 495 \r
 496         /**\r
 497          * Gets Nuxeo's file manager service.\r
 498          *\r
 499          * @return the file manager service\r
 500          * @throws ClientException the client exception\r
 501          */\r
 502         private static FileManager getFileManagerService() throws ClientException {\r
 503                 FileManager result = null;\r
 504                 try {\r
 505                         result = Framework.getService(FileManager.class);\r
 506                 } catch (Exception e) {\r
 507                         String msg = "Unable to get Nuxeo's FileManager service.";\r
 508                         logger.error(msg, e);\r
 509                         throw new ClientException("msg", e);\r
 510                 }\r
 511                 return result;\r
 512         }\r
 513 \r
 514         /**\r
 515          * Creates the picture.\r
 516          *\r
 517          * @param ctx the ctx\r
 518          * @param repoSession the repo session\r
 519          * @param filePath the file path\r
 520          * @return the string\r
 521          */\r
 522         public static BlobsCommon createPicture(ServiceContext ctx,\r
 523                         RepositoryInstance repoSession,\r
 524                         BlobInput blobInput) {\r
 525                 BlobsCommon result = null;\r
 526 \r
 527                 try {\r
 528                         File blobFile = blobInput.getBlobFile();\r
 529                         String nuxeoWspaceId = ctx.getRepositoryWorkspaceId();\r
 530                         DocumentRef nuxeoWspace = new IdRef(nuxeoWspaceId);\r
 531                         DocumentModel wspaceDoc = repoSession.getDocument(nuxeoWspace);\r
 532 \r
 533                         FileInputStream inputStream = new FileInputStream(blobFile);            \r
 534                         if (inputStream != null) {\r
 535                                 result = createImage(repoSession, wspaceDoc,\r
 536                                                 inputStream, blobFile.getName(), null);\r
 537                         }            \r
 538                 } catch (Exception e) {\r
 539                         logger.error("Could not create image blob", e);\r
 540                 }               \r
 541 \r
 542                 return result;\r
 543         }\r
 544 \r
 545         /**\r
 546          * Creates the image blob.\r
 547          *\r
 548          * @param nuxeoSession the nuxeo session\r
 549          * @param blobLocation the blob location\r
 550          * @param file the file\r
 551          * @param fileName the file name\r
 552          * @param mimeType the mime type\r
 553          * @return the string\r
 554          */\r
 555         static public BlobsCommon createImage(RepositoryInstance nuxeoSession,\r
 556                         DocumentModel blobLocation,\r
 557                         InputStream file,\r
 558                         String fileName, \r
 559                         String mimeType) {\r
 560                 BlobsCommon result = null;\r
 561 \r
 562                 try {\r
 563                         Blob fileBlob = createStreamingBlob(file, fileName, mimeType);\r
 564                         String digestAlgorithm = getFileManagerService().getDigestAlgorithm(); //Need some way on initializing the FileManager with a call.\r
 565                         DocumentModel documentModel = getFileManagerService().createDocumentFromBlob(nuxeoSession,\r
 566                                         fileBlob, blobLocation.getPathAsString(), true, fileName);\r
 567                         result = createBlobsCommon(documentModel, fileBlob);\r
 568                 } catch (Exception e) {\r
 569                         result = null;\r
 570                         logger.error("Could not create new image blob", e);\r
 571                 }\r
 572 \r
 573                 return result;\r
 574         }\r
 575 \r
 576         /**\r
 577          * Gets the image.\r
 578          *\r
 579          * @param repoSession the repo session\r
 580          * @param repositoryId the repository id\r
 581          * @param derivativeTerm the derivative term\r
 582          * @return the image\r
 583          */\r
 584         static public BlobOutput getBlobOutput(ServiceContext ctx,\r
 585                         RepositoryInstance repoSession,\r
 586                         String repositoryId, \r
 587                         String derivativeTerm,\r
 588                         Boolean getContentFlag) {\r
 589                 BlobOutput result = new BlobOutput();\r
 590 \r
 591                 try {\r
 592                         IdRef documentRef = new IdRef(repositoryId);\r
 593                         DocumentModel documentModel = repoSession.getDocument(documentRef);\r
 594 \r
 595                         /*\r
 596                          * This is a second, and better, approach to getting information about an image\r
 597                          * and its corresponding derivatives.\r
 598                          */\r
 599                         //                      MultiviewPictureAdapter multiviewPictureAdapter = documentModel.getAdapter(MultiviewPictureAdapter.class);\r
 600                         MultiviewPictureAdapterFactory multiviewPictureAdapterFactory = new MultiviewPictureAdapterFactory();\r
 601                         MultiviewPictureAdapter multiviewPictureAdapter =\r
 602                                 (MultiviewPictureAdapter)multiviewPictureAdapterFactory.getAdapter(documentModel, null);\r
 603                         if (multiviewPictureAdapter != null) {\r
 604                                 PictureView[] pictureViewArray = multiviewPictureAdapter.getViews();\r
 605                                 for (PictureView pictureView : pictureViewArray) {\r
 606                                         if (logger.isDebugEnabled() == true) {\r
 607                                                 logger.debug("-------------------------------------");\r
 608                                                 logger.debug(toStringPictureView(pictureView));\r
 609                                         }\r
 610                                 }\r
 611                         }\r
 612 \r
 613                         Blob docBlob = null;\r
 614                         DocumentBlobHolder docBlobHolder = (DocumentBlobHolder)documentModel.getAdapter(BlobHolder.class);\r
 615                         if (docBlobHolder instanceof PictureBlobHolder) { // if it is a PictureDocument then it has these Nuxeo schemas: [dublincore, uid, picture, iptc, common, image_metadata]\r
 616                                 //\r
 617                                 // Need to add the "MultiviewPictureAdapter" support here to get the view data, see above.\r
 618                                 //\r
 619                                 PictureBlobHolder pictureBlobHolder = (PictureBlobHolder) docBlobHolder;\r
 620                                 if (derivativeTerm != null) {\r
 621                                         docBlob = pictureBlobHolder.getBlob(derivativeTerm);\r
 622                                 } else {\r
 623                                         docBlob = pictureBlobHolder.getBlob();\r
 624                                 }\r
 625                         } else {\r
 626                                 docBlob = docBlobHolder.getBlob();\r
 627                         }\r
 628 \r
 629                         //\r
 630                         // Create the result instance that will contain the blob metadata\r
 631                         // and an InputStream with the bits if the 'getContentFlag' is set\r
 632                         //\r
 633                         BlobsCommon blobsCommon = createBlobsCommon(documentModel, docBlob);\r
 634                         result.setBlobsCommon(blobsCommon);\r
 635                         if (getContentFlag == true) {\r
 636                                 InputStream remoteStream = docBlob.getStream();\r
 637                                 BufferedInputStream bufferedInputStream = new BufferedInputStream(remoteStream);\r
 638                                 result.setBlobInputStream(bufferedInputStream); // the input stream of blob bits\r
 639                         }\r
 640 \r
 641                 } catch (Exception e) {\r
 642                         if (logger.isErrorEnabled() == true) {\r
 643                                 logger.error(e.getMessage(), e);\r
 644                         }\r
 645                         result = null;\r
 646                 }\r
 647 \r
 648                 return result;\r
 649         }\r
 650 }\r
 651 \r
 652 /*\r
 653  * Notes and code snippets about Nuxeo's support for binaries and image\r
 654  * documents.\r
 655  */\r
 656 \r
 657 /*\r
 658  * \r
 659  * \r
 660  * MultiviewPictureAdapter org.nuxeo.ecm.platform.picture.api.adapters\r
 661  * PictureResourceAdapter pictureResourceAdapter = (PictureResourceAdapter)\r
 662  * documentModel.getAdapter(PictureResourceAdapter.class); String thumbnailPath\r
 663  * = pictureResourceAdapter.getViewXPath("Thumbnail");\r
 664  * \r
 665  * Map<String,Serializable> blobHolderProps = docBlobHolder.getProperties();\r
 666  * String filePath = docBlobHolder.getFilePath(); List<Blob> docBlobs =\r
 667  * docBlobHolder.getBlobs();\r
 668  * \r
 669  * stream = new FileInputStream(fileUploadHolder.getTempFile());\r
 670  * \r
 671  * public String addFile(InputStream fileUpload, String fileName) fileName =\r
 672  * FileUtils.getCleanFileName(fileName); DocumentModel currentDocument =\r
 673  * navigationContext.getCurrentDocument(); String path =\r
 674  * currentDocument.getPathAsString(); Blob blob =\r
 675  * FileUtils.createSerializableBlob(fileUpload, fileName, null);\r
 676  * \r
 677  * DocumentModel createdDoc = getFileManagerService().createDocumentFromBlob(\r
 678  * documentManager, blob, path, true, fileName);\r
 679  * eventManager.raiseEventsOnDocumentSelected(createdDoc);\r
 680  * \r
 681  * protected FileManager fileManager;\r
 682  * \r
 683  * protected FileManager getFileManagerService() throws ClientException { if\r
 684  * (fileManager == null) { try { fileManager =\r
 685  * Framework.getService(FileManager.class); } catch (Exception e) {\r
 686  * log.error("Unable to get FileManager service ", e); throw new\r
 687  * ClientException("Unable to get FileManager service ", e); } } return\r
 688  * fileManager; }\r
 689  */\r
 690 \r
 691 /*\r
 692  * RepositoryService repositoryService = (RepositoryService)\r
 693  * Framework.getRuntime().getComponent( RepositoryService.NAME);\r
 694  * RepositoryManager repositoryManager =\r
 695  * repositoryService.getRepositoryManager(); RepositoryDescriptor descriptor =\r
 696  * repositoryManager.getDescriptor(repositoryName); DefaultBinaryManager\r
 697  * binaryManager = new DefaultBinaryManager(\r
 698  * SQLRepository.getDescriptor(descriptor)));\r
 699  * \r
 700  * File storageDir = binaryManager.getStorageDir(); SQLBlob blob = (SQLBlob)\r
 701  * doc.getPropertyValue("schema:blobField"); File file =\r
 702  * binaryManager.getFileForDigest( blob.getBinary().getDigest(), false);\r
 703  */\r
 704 \r
 705 /*\r
 706  * RepositoryInstance.getStreamURI()\r
 707  * \r
 708  * String getStreamURI(String blobPropertyId) throws ClientException\r
 709  * \r
 710  * Returns an URI identifying the stream given the blob property id. This method\r
 711  * should be used by a client to download the data of a blob property.\r
 712  * \r
 713  * The blob is fetched from the repository and the blob stream is registered\r
 714  * against the streaming service so the stream will be available remotely\r
 715  * through stream service API.\r
 716  * \r
 717  * After the client has called this method, it will be able to download the\r
 718  * stream using streaming server API.\r
 719  * \r
 720  * Returns: an URI identifying the remote stream Throws: ClientException\r
 721  */\r
 722 \r
 723 /*\r
 724  * A blob contains usually large data.\r
 725  * \r
 726  * Document fields holding Blob data are by default fetched in a lazy manner.\r
 727  * \r
 728  * A Blob object hides the data source and it also describes data properties\r
 729  * like the encoding or mime-type.\r
 730  * \r
 731  * The encoding is used to decode Unicode text content that was stored in an\r
 732  * encoded form. If not encoding is specified, the default java encoding is\r
 733  * used. The encoding is ignored for binary content.\r
 734  * \r
 735  * When retrieving the content from a document, it will be returned as source\r
 736  * content instead of returning the content bytes.\r
 737  * \r
 738  * The same is true when setting the content for a document: you set a content\r
 739  * source and not directly the content bytes. Ex:\r
 740  * \r
 741  * File file = new File("/tmp/index.html"); FileBlob fb = new FileBlob(file);\r
 742  * fb.setMimeType("text/html"); fb.setEncoding("UTF-8"); // this specifies that\r
 743  * content bytes will be stored as UTF-8 document.setProperty("file", "content",\r
 744  * fb);\r
 745  * \r
 746  * \r
 747  * Then you may want to retrieve the content as follow:\r
 748  * \r
 749  * Blob blob = document.getProperty("file:content"); htmlDoc = blob.getString();\r
 750  * // the content is decoded from UTF-8 into a java string\r
 751  */\r