Java ByteBuffer Decode fillBuf(InputStream in, ByteBuffer bytes, CharBuffer chars, CharsetDecoder decoder)

Description

fill Buf

License

Apache License

Declaration

private static void fillBuf(InputStream in, ByteBuffer bytes, CharBuffer chars, CharsetDecoder decoder)
            throws IOException 

Method Source Code

//package com.java2s;
/*//  www . j av a 2 s  . c  o m
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *     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.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

import java.io.IOException;
import java.io.InputStream;

import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.charset.CharsetDecoder;

import java.nio.charset.CoderResult;

public class Main {
    private static final int DEFAULT_BUFFER_SIZE = 8192;

    private static void fillBuf(InputStream in, ByteBuffer bytes, CharBuffer chars, CharsetDecoder decoder)
            throws IOException {
        chars.clear();
        int read = 0;
        try {
            read = in.read(bytes.array());
        } catch (IOException e) {
            chars.limit(0);
            throw e;
        }
        if (read == -1) {
            chars.limit(0);
            return;
        }
        bytes.limit(read);
        boolean endOfInput = read < DEFAULT_BUFFER_SIZE;
        CoderResult result = decoder.decode(bytes, chars, endOfInput);
        if (result.isError()) {
            throw new IOException(result.toString());
        }
        bytes.clear();
        chars.flip();
    }
}

Related

1. decodeTimeWithoutSign(byte firstByte, ByteBuffer buffer)
2. decodeToString(ByteBuffer shaderInfoLogBuffer, IntBuffer size)
3. decodeUtf8(ByteBuffer bytes)
4. decodeUTF8(ByteBuffer utf8Data)
5. decodeUTF8(final ByteBuffer buf)
6. readInputStreamReader(InputStream in, ByteBuffer bytes, CharBuffer chars, CharsetDecoder decoder, Object lock)