com.google.appengine.api.files.AppEngineFile Java Examples
The following examples show how to use
com.google.appengine.api.files.AppEngineFile.
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Example #1
Source File: ServeBlobServlet.java From appengine-tck with Apache License 2.0 | 6 votes |
@Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String mimeType = request.getParameter("mimeType"); String contents = request.getParameter("contents"); String blobRange = request.getParameter("blobRange"); String name = request.getParameter("name"); AppEngineFile file = service.createNewBlobFile(mimeType, name); writeToFile(file, contents); BlobKey blobKey = service.getBlobKey(file); response.addHeader("X-AppEngine-BlobKey", blobKey.getKeyString()); if (blobRange != null) { response.addHeader("X-AppEngine-BlobRange", blobRange); } }
Example #2
Source File: TestServlet.java From wt1 with Apache License 2.0 | 6 votes |
@Override public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException { try { System.out.println(newFileName()); FileService fileService = FileServiceFactory.getFileService(); GSFileOptionsBuilder optionsBuilder = new GSFileOptionsBuilder() .setBucket("wt1-test1") .setKey(newFileName()); AppEngineFile aef = fileService.createNewGSFile(optionsBuilder.build()); FileWriteChannel ch = fileService.openWriteChannel(aef, true); Channels.newWriter(ch, "utf8").append("pouet").flush(); ch.closeFinally(); System.out.println("SUCCESS **************"); } catch (Exception e) { System.out.println("FAILURE **************************"); e.printStackTrace(); } }
Example #3
Source File: ServerUtils.java From sc2gears with Apache License 2.0 | 5 votes |
/** * Returns the content of the specified file * @param fileMetaData file meta data of the file * @param fileService optionally you can pass the file service reference if you already have it * @return the content of the specified file or <code>null</code> if the file could not be found * @throws IOException thrown if reading the file from from the Blobstore fails */ public static byte[] getFileContent( final FileMetaData fileMetaData, FileService fileService ) throws IOException { if (true) { return null; } if ( fileMetaData.getContent() != null ) { // File content is in the file meta data return fileMetaData.getContent().getBytes(); } else { // Get content from the Blobstore if ( fileService == null ) fileService = FileServiceFactory.getFileService(); // final AppEngineFile appeFile = fileService.getBlobFile( file.getBlobKey() ); // This code throws exception on migrated blobs! final AppEngineFile appeFile = new AppEngineFile( FileSystem.BLOBSTORE, fileMetaData.getBlobKey().getKeyString() ); final FileReadChannel channel = fileService.openReadChannel( appeFile, false ); final byte[] content = new byte[ (int) fileMetaData.getSize() ]; final ByteBuffer wrapper = ByteBuffer.wrap( content ); while ( channel.read( wrapper ) > 0 ) ; channel.close(); return content; } }
Example #4
Source File: TaskServlet.java From sc2gears with Apache License 2.0 | 5 votes |
private void processFileWithContent( final PersistenceManager pm, final Key fileKey, final String fileTypeString ) throws IOException { LOGGER.fine( "File key: " + fileKey + ", file type: " + fileTypeString ); final FileType fileType = FileType.fromString( fileTypeString ); final FileMetaData fmd; try { fmd = (FileMetaData) pm.getObjectById( FILE_TYPE_CLASS_MAP.get( fileType ), fileKey ); } catch ( final JDOObjectNotFoundException jonfe ) { LOGGER.warning( "File not found! (Deleted?)" ); return; } LOGGER.fine( "sha1: " + fmd.getSha1() ); if ( fmd.getBlobKey() != null && fmd.getContent() == null ) { LOGGER.warning( "This file is already processed!" ); return; } if ( fmd.getContent() == null ) { LOGGER.warning( "File does not have content!" ); return; } // Store content in the Blobstore final FileService fileService = FileServiceFactory.getFileService(); final AppEngineFile appeFile = fileService.createNewBlobFile( FILE_TYPE_MIME_TYPE_MAP.get( fileType ), fmd.getSha1() ); final FileWriteChannel channel = fileService.openWriteChannel( appeFile, true ); final ByteBuffer bb = ByteBuffer.wrap( fmd.getContent().getBytes() ); while ( bb.hasRemaining() ) channel.write( bb ); channel.closeFinally(); fmd.setBlobKey( fileService.getBlobKey( appeFile ) ); fmd.setContent( null ); // I do not catch exceptions (so the task will be retried) }
Example #5
Source File: PrintServlet.java From appengine-tck with Apache License 2.0 | 5 votes |
public void service(ServletRequest req, ServletResponse res) throws ServletException, IOException { log.info("Ping - " + req); if (requestHandler != null) { requestHandler.handleRequest(req); } lastRequest = req; final DatastoreService ds = DatastoreServiceFactory.getDatastoreService(); try { Entity entity = new Entity("Qwert"); entity.setProperty("xyz", 123); Key key = ds.put(entity); entity = ds.get(key); log.info(entity.toString()); FileService fs = FileServiceFactory.getFileService(); AppEngineFile file = fs.createNewBlobFile("qwertfile"); FileWriteChannel fwc = fs.openWriteChannel(file, false); try { log.info("b_l = " + fwc.write(ByteBuffer.wrap("qwert".getBytes()))); } finally { fwc.close(); } } catch (Exception e) { throw new IOException(e); } }
Example #6
Source File: ImageServingUrlTest.java From appengine-tck with Apache License 2.0 | 5 votes |
@Before public void setUp() throws Exception { fileService = FileServiceFactory.getFileService(); AppEngineFile file = fileService.createNewBlobFile("image/png"); FileWriteChannel channel = fileService.openWriteChannel(file, true); try { try (ReadableByteChannel in = Channels.newChannel(getImageStream("capedwarf.png"))) { copy(in, channel); } } finally { channel.closeFinally(); } blobKey = fileService.getBlobKey(file); }
Example #7
Source File: ServeBlobServlet.java From appengine-tck with Apache License 2.0 | 5 votes |
private void writeToFile(AppEngineFile file, String content) throws IOException { FileWriteChannel channel = service.openWriteChannel(file, true); try { channel.write(ByteBuffer.wrap(content.getBytes())); } finally { channel.closeFinally(); } }
Example #8
Source File: BlobstoreTestBase.java From appengine-tck with Apache License 2.0 | 5 votes |
protected BlobKey writeNewBlobFile(String text) throws IOException { FileService fileService = FileServiceFactory.getFileService(); AppEngineFile file = fileService.createNewBlobFile("text/plain", "uploadedText.txt"); FileWriteChannel channel = fileService.openWriteChannel(file, true); try { channel.write(ByteBuffer.wrap(text.getBytes())); } finally { channel.closeFinally(); } return fileService.getBlobKey(file); }
Example #9
Source File: GCSGAEStorageProcessor.java From wt1 with Apache License 2.0 | 5 votes |
/** * Create a new file on Cloud storage */ private AppEngineFile newFile(String name) throws IOException { GSFileOptionsBuilder optionsBuilder = new GSFileOptionsBuilder() .setBucket(bucketName) .setKey(name); return fileService.createNewGSFile(optionsBuilder.build()); }
Example #10
Source File: GCSGAEStorageProcessor.java From wt1 with Apache License 2.0 | 5 votes |
private synchronized void flushBuffer(boolean reinit) throws IOException { if (curBuf == null) { // processor has already been shutdown return; } curBufGZ.flush(); curBufGZ.close(); if (writtenEvents > 0) { String name = CSVFormatWriter.newFileName("b" + BackendServiceFactory.getBackendService().getCurrentInstance()); logger.info("Opening new file name=" + name); AppEngineFile file = newFile(name); FileWriteChannel channel = fileService.openWriteChannel(file, true); logger.info("Writing new file name=" + name + " inSize=" + writtenBeforeGZ + " gzSize=" + curBuf.size() + ")"); channel.write(ByteBuffer.wrap(curBuf.toByteArray())); logger.info("Closing new file"); channel.closeFinally(); logger.info("Closed new file"); Stats stats = ProcessingQueue.getInstance().getStats(); synchronized (stats) { stats.createdFiles++; stats.savedEvents += writtenEvents; stats.savedEventsGZippedSize += curBuf.size(); stats.savedEventsInputSize += writtenBeforeGZ; } } else { logger.info("No events to flush"); } curBuf = null; curBufGZ = null; if (reinit) { initBuffer(); } }
Example #11
Source File: TaskServlet.java From sc2gears with Apache License 2.0 | 4 votes |
private void customTask( final HttpServletRequest request, final PersistenceManager pm ) throws IOException { LOGGER.fine( "Key: " + request.getParameter( "key" ) + ", file type: " + request.getParameter( "fileType" ) ); final FileType fileType = FileType.fromString( request.getParameter( "fileType" ) ); if ( fileType == null ) { LOGGER.severe( "Invalid File type!" ); return; } final Key key = KeyFactory.stringToKey( request.getParameter( "key" ) ); final DatastoreService ds = DatastoreServiceFactory.getDatastoreService(); final Entity e; try { e = ds.get( key ); } catch ( final EntityNotFoundException enfe ) { LOGGER.log( Level.WARNING, "Entity not found!", enfe ); return; } if ( !e.getKind().equals( "Rep" ) && !e.getKind().equals( "Smpd" ) && !e.getKind().equals( "OtherFile" ) ) { LOGGER.severe( "Invalid Entity kind:" + e.getKind() ); return; } if ( (Long) e.getProperty( "v" ) == 4 ) { LOGGER.warning( "Entity is already v4!" ); return; } // Update common properties: // TODO final int size = ( (Long) e.getProperty( "size" ) ).intValue(); if ( size < FileServlet.DATASTORE_CONTENT_STORE_LIMIT ) { final FileService fileService = FileServiceFactory.getFileService(); final AppEngineFile appeFile = new AppEngineFile( FileSystem.BLOBSTORE, ( (BlobKey) e.getProperty( "blobKey" ) ).getKeyString() ); final FileReadChannel channel = fileService.openReadChannel( appeFile, false ); final byte[] content = new byte[ size ]; final ByteBuffer wrapper = ByteBuffer.wrap( content ); while ( channel.read( wrapper ) > 0 ) ; channel.close(); e.setProperty( "content", new Blob( content ) ); e.setProperty( "blobKey", null ); fileService.delete( appeFile ); } e.setUnindexedProperty( "blobKey", e.getProperty( "blobKey" ) ); e.setUnindexedProperty( "content", e.getProperty( "content" ) ); switch ( fileType ) { case SC2REPLAY : e.setUnindexedProperty( "matchup", e.getProperty( "matchup" ) ); break; case MOUSE_PRINT : break; case OTHER : break; default: throw new RuntimeException( "Invalid file type!" ); } // UPGRADE COMPLETE! e.setProperty( "v", 4 ); ds.put( e ); }
Example #12
Source File: BlobstoreUploadTestBase.java From appengine-tck with Apache License 2.0 | 4 votes |
private String getFileContents(BlobKey blobKey) throws IOException { AppEngineFile file = getAppEngineFile(blobKey); return getFileContents(file); }
Example #13
Source File: BlobstoreUploadTestBase.java From appengine-tck with Apache License 2.0 | 4 votes |
private AppEngineFile getAppEngineFile(BlobKey blobKey) { FileService fileService = FileServiceFactory.getFileService(); return fileService.getBlobFile(blobKey); }
Example #14
Source File: BlobstoreUploadTestBase.java From appengine-tck with Apache License 2.0 | 4 votes |
private String getFileContents(AppEngineFile file) throws IOException { try (FileReadChannel channel = FileServiceFactory.getFileService().openReadChannel(file, true)) { return getStringFromChannel(channel, 1000); } }