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ActiveMQ example source code file (NIOInputStream.java)

This example ActiveMQ source code file (NIOInputStream.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - ActiveMQ tags/keywords

bufferunderflowexception, bufferunderflowexception, bytebuffer, bytebuffer, inputstream, io, ioexception, ioexception, nio, nioinputstream, nioinputstream

The ActiveMQ NIOInputStream.java source code

/**
 * 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.
 */
package org.apache.activemq.transport.nio;

import java.io.IOException;
import java.io.InputStream;
import java.nio.BufferUnderflowException;
import java.nio.ByteBuffer;

/**
 * An optimized buffered input stream for Tcp
 * 
 * 
 */
public class NIOInputStream extends InputStream {

    protected int count;
    protected int position;
    private final ByteBuffer in;

    public NIOInputStream(ByteBuffer in) {
        this.in = in;
    }

    public int read() throws IOException {
        try {
            int rc = in.get() & 0xff;
            return rc;
        } catch (BufferUnderflowException e) {
            return -1;
        }
    }

    public int read(byte b[], int off, int len) throws IOException {
        if (in.hasRemaining()) {
            int rc = Math.min(len, in.remaining());
            in.get(b, off, rc);
            return rc;
        } else {
            return len == 0 ? 0 : -1;
        }
    }

    public long skip(long n) throws IOException {
        int rc = Math.min((int)n, in.remaining());
        in.position(in.position() + rc);
        return rc;
    }

    public int available() throws IOException {
        return in.remaining();
    }

    public boolean markSupported() {
        return false;
    }

    public void close() throws IOException {
    }
}

Other ActiveMQ examples (source code examples)

Here is a short list of links related to this ActiveMQ NIOInputStream.java source code file:

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