com.atilika.kuromoji.io.ByteBufferIO Maven / Gradle / Ivy
/*-*
* Copyright © 2010-2015 Atilika Inc. and contributors (see CONTRIBUTORS.md)
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License. A copy of the
* License is distributed with this work in the LICENSE.md file. You may
* also obtain a copy of the License from
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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package com.atilika.kuromoji.io;
import java.io.*;
import java.nio.ByteBuffer;
import java.nio.channels.Channels;
import java.nio.channels.ReadableByteChannel;
import java.nio.channels.WritableByteChannel;
public class ByteBufferIO {
public static ByteBuffer read(InputStream input) throws IOException {
DataInputStream dataInput = new DataInputStream(new BufferedInputStream(input));
int size = dataInput.readInt();
ByteBuffer buffer = ByteBuffer.allocate(size);
ReadableByteChannel channel = Channels.newChannel(dataInput);
channel.read(buffer);
buffer.rewind();
return buffer;
}
public static void write(OutputStream output, ByteBuffer buffer) throws IOException {
DataOutputStream dataOutput = new DataOutputStream(new BufferedOutputStream(output));
dataOutput.writeInt(buffer.position());
buffer.flip();
WritableByteChannel channel = Channels.newChannel(dataOutput);
channel.write(buffer);
dataOutput.flush(); // TODO: Do we need this?
}
}