standarddecryptionmaterial.java

非常有用的操作pdf文件的java源码

/**
 * Copyright (c) 2003-2006, 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
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * http://www.pdfbox.org
 *
 */

package org.pdfbox.pdmodel.encryption;


/**
 * 
 * Represents the necessary information to decrypt a document protected by
 * the standard security handler (password protection).
 * 
 * This is only composed of a password.
 * 
 * The following example shows how to decrypt a document protected with
 * the standard security handler:
 * 
 *  <pre>
 *  PDDocument doc = PDDocument.load(in);
 *  StandardDecryptionMaterial dm = new StandardDecryptionMaterial("password");
 *  doc.openProtection(dm);
 *  </pre>
 * 
 * @author Benoit Guillon ([e-mail])
 *
 * @version $Revision: 1.2 $
 */

public class StandardDecryptionMaterial extends DecryptionMaterial 
{

    private String password = null;
    
    /**
     * Create a new standard decryption material with the given password.
     * 
     * @param pwd The password.
     */
    public StandardDecryptionMaterial(String pwd)
    {
        password = pwd;
    }
    
    /**
     * Returns the password.
     * 
     * @return The password used to decrypt the document.
     */
    public String getPassword()
    {
        return password;
    }
    
}