Examples of org.exist.dom.BinaryDocument

org.exist.dom.BinaryDocument
Represents a binary resource. Binary resources are just stored as binary data in a single overflow page. However, class BinaryDocument extends {@link org.exist.dom.DocumentImpl} and thus provides the same interface. @author wolf

                    final DocumentMetadata meta = doc.getMetadata();
                    
                    final Date created = new Date(meta.getCreated());
                    final Date lastModified = new Date(meta.getLastModified());
    
                    BinaryDocument binary = destination.validateBinaryResource(txn, broker, newName, is, mimeType.getName(), -1, created, lastModified);
                    
                    binary = destination.addBinaryResource(txn, broker, binary, is, mimeType.getName(), -1, created, lastModified);
                    
                    source.removeXMLResource(txn, broker, doc.getFileURI());

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        } else {
          // store as binary resource
          is = new ByteArrayInputStream("".getBytes(UTF_8));
          
          final BinaryDocument blob = new BinaryDocument(db, collection, fileName);
  
          blob.getPermissions().setMode(DEFAULT_RESOURCE_PERM);


          collection.addBinaryResource(transaction, broker, blob, is,
              mimeType.getName(), 0L , new Date(), new Date());
  
        }

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                        targetCollection.store(txn, broker, info, is, false);
                    } else {
                        final long size = file.length();
                        final FileInputStream is = new FileInputStream(file);
                        final BinaryDocument doc =
                                targetCollection.addBinaryResource(txn, broker, name, is, mime.getName(), size);
                        is.close();


                        final Permission permission = doc.getPermissions();
                        setPermissions(false, mime, permission);
                        doc.getMetadata().setMimeType(mime.getName());
                        broker.storeXMLResource(txn, doc);
                    }
                    mgr.commit(txn);
                } catch (final Exception e) {
                    mgr.abort(txn);

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                final byte              type    = key.data()[key.start() + Collection.LENGTH_COLLECTION_ID + DocumentImpl.LENGTH_DOCUMENT_TYPE];
                final VariableByteInput istream = store.getAsStream( pointer );
                DocumentImpl      doc     = null;


                if( type == DocumentImpl.BINARY_FILE ) {
                    doc = new BinaryDocument( broker.getBrokerPool() );
                } else {
                    doc = new DocumentImpl( broker.getBrokerPool() );
                }
                doc.read( istream );
                docCount++;

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   }
   
   public boolean getBin(DBBroker broker,String suffix)
      throws Exception
   {
      BinaryDocument binDoc = null;
      try {
         Collection top = broker.getCollection(XmldbURI.create("xmldb:exist:///"));
         System.out.println("count="+top.getDocumentCount(broker));
         MutableDocumentSet docs = new DefaultDocumentSet();
         top.getDocuments(broker,docs);
         XmldbURI [] uris = docs.getNames();
         for (int i=0; i<uris.length; i++) {
            System.out.println(i+": "+uris[i].toString());
         }
         //binDoc = (BinaryDocument)broker.getXMLResource(XmldbURI.create("xmldb:exist:///bin"),Lock.READ_LOCK);
         binDoc = (BinaryDocument)top.getDocument(broker,XmldbURI.create("xmldb:exist:///bin"));
         top.release(Lock.READ_LOCK);
         assertTrue(binDoc!=null);
         ByteArrayOutputStream os = new ByteArrayOutputStream();
         broker.readBinaryResource(binDoc,os);
         String comp = os.size()>0 ? new String(os.toByteArray()) : "";
         System.out.println("Got: "+comp);
         return comp.equals(bin+suffix);
      } finally {
         if (binDoc!=null) {
            binDoc.getUpdateLock().release(Lock.READ_LOCK);
         }
      }
   }

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        } else {
          // store as binary resource
          is = new FileInputStream(currentFile);


          BinaryDocument doc = currentDirectory.addBinaryResource(
              transaction, broker, fileName, is,
              mimeType.getName(), currentFile.length(), new Date(), new Date());


        }
      } catch (FileNotFoundException e) {

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        final String xquery = "current-dateTime()";


        Main database = startupDatabase();
        try {
            //store the xquery document
            BinaryDocument binaryDoc = storeBinary(xqueryFilename, xquery, xqueryMimeType);
            assertNotNull(binaryDoc);
            assertEquals(xqueryMimeType, binaryDoc.getMetadata().getMimeType());


            //make a note of the binary documents uri
            final XmldbURI binaryDocUri = binaryDoc.getFileURI();


            //restart the database
            stopDatabase(database);
            Thread.sleep(3000);
            database = startupDatabase();


            //retrieve the xquery document
            binaryDoc = getBinary(binaryDocUri);
            assertNotNull(binaryDoc);


            //check the mimetype has been preserved across database restarts
            assertEquals(xqueryMimeType, binaryDoc.getMetadata().getMimeType());


        } finally {
            stopDatabase(database);
        }
    }

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            e.printStackTrace();
        }
    }


    private BinaryDocument getBinary(XmldbURI uri) throws EXistException {
        BinaryDocument binaryDoc = null;
        Database pool = BrokerPool.getInstance();;


        DBBroker broker = null;
        try {
            broker = pool.get(pool.getSecurityManager().getSystemSubject());

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        return binaryDoc;
    }


    private BinaryDocument storeBinary(String name,  String data, String mimeType) throws EXistException {
      BinaryDocument binaryDoc = null;
        Database pool = BrokerPool.getInstance();;


        DBBroker broker = null;
        TransactionManager transact = null;
        Txn transaction = null;

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            assertNotNull(files);
            
            File f;
            IndexInfo info;
            
            BinaryDocument doc = test2.addBinaryResource(transaction, broker, TestConstants.TEST_BINARY_URI, "Some text data".getBytes(), null);
            assertNotNull(doc);
            
            // store some documents. Will be replaced below
            for (int i = 0; i < files.length; i++) {
                f = files[i];

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