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private static MappedByteBuffer mapInternal(File file, MapMode mode, long size) throws IOException { checkNotNull(file); checkNotNull(mode); Closer closer = Closer.create(); try { RandomAccessFile raf = closer.register(new RandomAccessFile(file, mode == MapMode.READ_ONLY ? "r" : "rw")); FileChannel channel = closer.register(raf.getChannel()); return channel.map(mode, 0, size == -1 ? channel.size() : size); } catch (Throwable e) { throw closer.rethrow(e); } finally { closer.close(); } }
@Override public long copyTo(CharSink sink) throws IOException { checkNotNull(sink); Closer closer = Closer.create(); try { Writer writer = closer.register(sink.openStream()); writer.write((String) seq); return seq.length(); } catch (Throwable e) { throw closer.rethrow(e); } finally { closer.close(); } } }
/** * Reads the contents of this source as a string. * * @throws IOException if an I/O error occurs while reading from this source */ public String read() throws IOException { Closer closer = Closer.create(); try { Reader reader = closer.register(openStream()); return CharStreams.toString(reader); } catch (Throwable e) { throw closer.rethrow(e); } finally { closer.close(); } }
/** * Writes the given character sequence to this sink. * * @throws IOException if an I/O error while writing to this sink */ public void write(CharSequence charSequence) throws IOException { checkNotNull(charSequence); Closer closer = Closer.create(); try { Writer out = closer.register(openStream()); out.append(charSequence); out.flush(); // https://code.google.com/p/guava-libraries/issues/detail?id=1330 } catch (Throwable e) { throw closer.rethrow(e); } finally { closer.close(); } }
/** * Writes all the given bytes to this sink. * * @throws IOException if an I/O occurs while writing to this sink */ public void write(byte[] bytes) throws IOException { checkNotNull(bytes); Closer closer = Closer.create(); try { OutputStream out = closer.register(openStream()); out.write(bytes); out.flush(); // https://code.google.com/p/guava-libraries/issues/detail?id=1330 } catch (Throwable e) { throw closer.rethrow(e); } finally { closer.close(); } }
@Override public Object decode(final byte[] body) throws IOException { Closer closer = Closer.create(); try { ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(body); closer.register(byteArrayInputStream); KryoSerialize kryoSerialization = new KryoSerialize(pool); return kryoSerialization.deserialize(byteArrayInputStream); } finally { closer.close(); } } }
public void close() { try (Closer closer = Closer.create()) { closer.register(userAggregateMemoryContext::close); closer.register(revocableAggregateMemoryContext::close); closer.register(systemAggregateMemoryContext::close); closer.register(userLocalMemoryContext::close); closer.register(revocableLocalMemoryContext::close); closer.register(systemLocalMemoryContext::close); } catch (IOException e) { throw new RuntimeException("Exception closing memory tracking context", e); } }
private static MappedByteBuffer map(RandomAccessFile raf, MapMode mode, long size) throws IOException { Closer closer = Closer.create(); try { FileChannel channel = closer.register(raf.getChannel()); return channel.map(mode, 0, size); } catch (Throwable e) { throw closer.rethrow(e); } finally { closer.close(); } }