pdactionremotegoto.java

非常有用的操作pdf文件的java源码

/**
 * Copyright (c) 2004, 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
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 *    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
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 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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package org.pdfbox.pdmodel.interactive.action.type;

import java.io.IOException;

import org.pdfbox.cos.COSBase;
import org.pdfbox.cos.COSDictionary;

import org.pdfbox.pdmodel.common.filespecification.PDFileSpecification;

/**
 * This represents a remote go-to action that can be executed in a PDF document.
 *
 * @author <a href="mailto:[e-mail]">Ben Litchfield</a>
 * @author Panagiotis Toumasis ([e-mail])
 * @version $Revision: 1.4 $
 */
public class PDActionRemoteGoTo extends PDAction
{
    /**
     * This type of action this object represents.
     */
    public static final String SUB_TYPE = "GoToR";

    /**
     * Default constructor.
     */
    public PDActionRemoteGoTo()
    {
        action = new COSDictionary();
        setSubType( SUB_TYPE );
    }

    /**
     * Constructor.
     *
     * @param a The action dictionary.
     */
    public PDActionRemoteGoTo( COSDictionary a )
    {
        super( a );
    }

    /**
     * Convert this standard java object to a COS object.
     *
     * @return The cos object that matches this Java object.
     */
    public COSBase getCOSObject()
    {
        return action;
    }

    /**
     * Convert this standard java object to a COS object.
     *
     * @return The cos object that matches this Java object.
     */
    public COSDictionary getCOSDictionary()
    {
        return action;
    }

    /**
     * This will get the type of action that the actions dictionary describes.
     * It must be GoToR for a remote go-to action.
     *
     * @return The S entry of the specific remote go-to action dictionary.
     */
    public String getS()
    {
       return action.getNameAsString( "S" );
    }

    /**
     * This will set the type of action that the actions dictionary describes.
     * It must be GoToR for a remote go-to action.
     *
     * @param s The remote go-to action.
     */
    public void setS( String s )
    {
       action.setName( "S", s );
    }

    /**
     * This will get the file in which the destination is located.
     *
     * @return The F entry of the specific remote go-to action dictionary.
     * 
     * @throws IOException If there is an error creating the file spec.
     */
    public PDFileSpecification getFile() throws IOException
    {
        return PDFileSpecification.createFS( action.getDictionaryObject( "F" ) );
    }

    /**
     * This will set the file in which the destination is located.
     *
     * @param fs The file specification.
     */
    public void setFile( PDFileSpecification fs )
    {
        action.setItem( "F", fs );
    }

    /**
     * This will get the destination to jump to.
     * If the value is an array defining an explicit destination,
     * its first element must be a page number within the remote
     * document rather than an indirect reference to a page object
     * in the current document. The first page is numbered 0.
     *
     * @return The D entry of the specific remote go-to action dictionary.
     */

    // Array or String.
    public COSBase getD()
    {
        return action.getDictionaryObject( "D" );
    }

    /**
     * This will set the destination to jump to.
     * If the value is an array defining an explicit destination,
     * its first element must be a page number within the remote
     * document rather than an indirect reference to a page object
     * in the current document. The first page is numbered 0.
     *
     * @param d The destination.
     */

    // In case the value is an array.
    public void setD( COSBase d )
    {
        action.setItem( "D", d );
    }

    /**
     * This will specify whether to open the destination document in a new window.
     * If this flag is false, the destination document will replace the current
     * document in the same window. If this entry is absent, the viewer application
     * should behave in accordance with the current user preference.
     *
     * @return A flag specifying whether to open the destination document in a new window.
     */
    public boolean shouldOpenInNewWindow()
    {
        return action.getBoolean( "NewWindow", true );
    }

    /**
     * This will specify the destination document to open in a new window.
     *
     * @param value The flag value.
     */
    public void setOpenInNewWindow( boolean value )
    {
        action.setBoolean( "NewWindow", value );
    }
}