Source Code : ByteArrayInputStream implementation that does not synchronize methods.

Java Is Open Source Programming Language You Can Download From Java and Java Libraries From http://www.oracle.com. Click Here to download
We provide this code related to title for you to solve your developing problem easily. Libraries which is import in this program you can download from http://www.oracle.com. Click Here or search from google with Libraries Name you get jar file related it

ByteArrayInputStream implementation that does not synchronize methods.

 
/*
 * @(#)$Id: FastByteArrayInputStream.java 3619 2008-03-26 07:23:03Z yui $
 *
 * Copyright 2006-2008 Makoto YUI
 *
 * Licensed 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.
 * 
 * Contributors:
 *     Makoto YUI - initial implementation
 */
//package xbird.util.io;

import java.io.InputStream;

/**
 * ByteArrayInputStream implementation that does not synchronize methods.
 */
public final class FastByteArrayInputStream extends InputStream {

    protected/* final */byte[] buf;
    protected/* final */int count;
    protected int pos = 0;

    public FastByteArrayInputStream() {}

    public FastByteArrayInputStream(byte[] buf) {
        this(buf, buf.length);
    }

    public FastByteArrayInputStream(byte[] buf, int count) {
        this.buf = buf;
        this.count = count;
    }

    public FastByteArrayInputStream(byte buf[], int offset, int length) {
        this.buf = buf;
        this.pos = offset;
        this.count = Math.min(offset + length, buf.length);
    }

    public void init(byte[] buf) {
        init(buf, buf.length);
    }

    public void init(byte[] buf, int count) {
        this.buf = buf;
        this.count = count;
        this.pos = 0;
    }

    @Override
    public final int available() {
        return count - pos;
    }

    public final int read() {
        return (pos < count) ? (buf[pos++] & 0xff) : -1;
    }

    @Override
    public final int read(byte[] b, int off, int len) {
        if(pos >= count) {
            return -1;
        }
        if((pos + len) > count) {
            len = (count - pos);
        }
        if(len <= 0) {
            return 0;
        }
        System.arraycopy(buf, pos, b, off, len);
        pos += len;
        return len;
    }

    @Override
    public final long skip(long n) {
        if((pos + n) > count) {
            n = count - pos;
        }
        if(n < 0) {
            return 0;
        }
        pos += n;
        return n;
    }

    @Override
    public boolean markSupported() {
        return false;
    }

    @Override
    public void mark(int readlimit) {
        throw new UnsupportedOperationException();
    }

}

   
  

Thank with us