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/*
 * 
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright 2007-2008 Sun Microsystems, Inc. All rights reserved.
 * 
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License. You can obtain
 * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 * 
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun in the GPL Version 2 section of the License file that
 * accompanied this code.  If applicable, add the following below the License
 * Header, with the fields enclosed by brackets [] replaced by your own
 * identifying information: "Portions Copyrighted [year]
 * [name of copyright owner]"
 * 
 * Contributor(s):
 * 
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
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 */


package com.sun.grizzly.http.servlet;

import com.sun.grizzly.tcp.http11.GrizzlyInputStream;
import java.io.IOException;
import javax.servlet.ServletInputStream;

/**
 *
 * @author Jeanfrancois Arcand
 */
public class ServletInputStreamImpl extends ServletInputStream{

    private GrizzlyInputStream inputStream;
    
    protected ServletInputStreamImpl(GrizzlyInputStream inputStream){
        this.inputStream = inputStream;
    }

    public int read() throws IOException {      
        return inputStream.read();
    }

    @Override
    public int available() throws IOException {
        return inputStream.available();
    }

    @Override
    public int read(final byte[] b) throws IOException {
        return inputStream.read(b, 0, b.length);     
    }


    @Override
    public int read(final byte[] b, final int off, final int len)
        throws IOException {
        return inputStream.read(b, off, len);        
    }

    
    /** 
     * Close the stream
     * Since we re-cycle, we can't allow the call to super.close()
     * which would permantely disable us.
     */
    @Override
    @SuppressWarnings("unchecked")
    public void close() throws IOException {
        inputStream.close();           
    } 
}