pdmetadata.java

非常有用的操作pdf文件的java源码

/**
 * Copyright (c) 2005, www.pdfbox.org
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 3. Neither the name of pdfbox; nor the names of its
 *    contributors may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 * http://www.pdfbox.org
 *
 */
package org.pdfbox.pdmodel.common;

import java.io.IOException;
import java.io.InputStream;

import org.pdfbox.cos.COSStream;

import org.pdfbox.pdmodel.PDDocument;

/**
 * This class represents metadata for various objects in a PDF document.
 *
 * @author <a href="mailto:[e-mail]">Ben Litchfield</a>
 * @version $Revision: 1.2 $
 */
public class PDMetadata extends PDStream
{
    
    /**
     * This will create a new PDMetadata object.
     * 
     * @param document The document that the stream will be part of.
     */
    public PDMetadata( PDDocument document )
    {
        super( document );
        getStream().setName( "Type", "Metadata" );
        getStream().setName( "Subtype", "XML" );
    }
    
    /**
     * Constructor.  Reads all data from the input stream and embeds it into the
     * document, this will close the InputStream.
     *
     * @param doc The document that will hold the stream.
     * @param str The stream parameter.
     * @param filtered True if the stream already has a filter applied.
     * @throws IOException If there is an error creating the stream in the document.
     */
    public PDMetadata( PDDocument doc, InputStream str, boolean filtered ) throws IOException
    {
        super( doc, str, filtered );
        getStream().setName( "Type", "Metadata" );
        getStream().setName( "Subtype", "XML" );
    }

    /**
     * Constructor.
     *
     * @param str The stream parameter.
     */
    public PDMetadata( COSStream str )
    {
        super( str );
    }

}