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/* |
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* $Id$ |
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* ============================================================================ |
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* The Apache Software License, Version 1.1 |
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* ============================================================================ |
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* |
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* Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without modifica- |
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* tion, are permitted provided that the following conditions are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright notice, |
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* this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright notice, |
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* this list of conditions and the following disclaimer in the documentation |
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* and/or other materials provided with the distribution. |
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* |
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* 3. The end-user documentation included with the redistribution, if any, must |
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* include the following acknowledgment: "This product includes software |
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* developed by the Apache Software Foundation (http://www.apache.org/)." |
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* Alternately, this acknowledgment may appear in the software itself, if |
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* and wherever such third-party acknowledgments normally appear. |
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* |
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* 4. The names "FOP" and "Apache Software Foundation" must not be used to |
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* endorse or promote products derived from this software without prior |
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* written permission. For written permission, please contact |
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* apache@apache.org. |
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* |
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* 5. Products derived from this software may not be called "Apache", nor may |
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* "Apache" appear in their name, without prior written permission of the |
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* Apache Software Foundation. |
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* |
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, |
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, |
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU- |
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* DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* ============================================================================ |
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* |
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* This software consists of voluntary contributions made by many individuals |
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* on behalf of the Apache Software Foundation and was originally created by |
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* James Tauber <jtauber@jtauber.com>. For more information on the Apache |
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* Software Foundation, please see <http://www.apache.org/>. |
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*/ |
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package org.apache.fop.pdf; |
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import org.apache.fop.util.StreamUtilities; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.io.OutputStream; |
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/** |
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* Null Filter class. The content is just passed through. The class is used to |
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* override the default Flate filter for debugging purposes. |
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*/ |
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public class NullFilter extends PDFFilter { |
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/** |
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* @see org.apache.fop.pdf.PDFFilter#getName() |
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*/ |
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public String getName() { |
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return ""; |
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} |
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/** |
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* @see org.apache.fop.pdf.PDFFilter#getDecodeParms() |
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*/ |
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public String getDecodeParms() { |
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return null; |
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} |
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/** |
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* @see org.apache.fop.pdf.PDFFilter#encode(InputStream, OutputStream, int) |
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*/ |
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public void encode(InputStream in, OutputStream out, int length) throws IOException { |
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StreamUtilities.streamCopy(in, out, length); |
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out.close(); |
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} |
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/** |
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* @see org.apache.fop.pdf.PDFFilter#applyFilter(OutputStream) |
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*/ |
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public OutputStream applyFilter(OutputStream out) throws IOException { |
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return out; |
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//No active filtering, NullFilter does nothing |
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} |
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} |
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