/*

 * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package sun.net.www.http;

import java.io.*;

/**

 * A Simple FilterInputStream subclass to capture HTTP traffic.

 * Every byte read is also passed to the HttpCapture class.

 *

 * @author jccollet

 */

public class HttpCaptureInputStream extends FilterInputStream {

    private HttpCapture capture = null;

    public HttpCaptureInputStream(InputStream in, HttpCapture cap) {

        super(in);

        capture = cap;

    }

    @Override

    public int read() throws IOException {

        int i = super.read();

        capture.received(i);

        return i;

    }

    @Override

    public void close() throws IOException {

        try {

            capture.flush();

        } catch (IOException iOException) {

        }

        super.close();

    }

    @Override

    public int read(byte[] b) throws IOException {

        int ret = super.read(b);

        for (int i = 0; i < ret; i++) {

            capture.received(b[i]);

        }

        return ret;

    }

    @Override

    public int read(byte[] b, int off, int len) throws IOException {

        int ret = super.read(b, off, len);

        for (int i = 0; i < ret; i++) {

            capture.received(b[off+i]);

        }

        return ret;

    }

}