rtfheaderfooters.java

iText是一个能够快速产生PDF文件的java类库。iText的java类对于那些要产生包含文本

/**
 * $Id: RtfHeaderFooters.java 2356 2006-09-12 13:12:56Z blowagie $
 *
 * Copyright 2002 by 
 * <a href="http://www.smb-tec.com">SMB</a> 
 * Steffen.Stundzig ([e-mail])
 *
 * The contents of this file are subject to the Mozilla Public License Version 1.1
 * (the "License"); you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the License.
 *
 * The Original Code is 'iText, a free JAVA-PDF library'.
 *
 * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
 * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
 * All Rights Reserved.
 * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
 * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
 *
 * Contributor(s): all the names of the contributors are added in the source code
 * where applicable.
 *
 * Alternatively, the contents of this file may be used under the terms of the
 * LGPL license (the ?GNU LIBRARY GENERAL PUBLIC LICENSE?), in which case the
 * provisions of LGPL are applicable instead of those above.  If you wish to
 * allow use of your version of this file only under the terms of the LGPL
 * License and not to allow others to use your version of this file under
 * the MPL, indicate your decision by deleting the provisions above and
 * replace them with the notice and other provisions required by the LGPL.
 * If you do not delete the provisions above, a recipient may use your version
 * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the MPL as stated above or under the terms of the GNU
 * Library General Public License as published by the Free Software Foundation;
 * either version 2 of the License, or any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without right the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
 * details.
 *
 * If you didn't download this code from the following link, you should check if
 * you aren't using an obsolete version:
 * http://www.lowagie.com/iText/
 */

package com.lowagie.text.rtf;

import com.lowagie.text.HeaderFooter;
import com.lowagie.text.Phrase;


/**
 * This HeaderFooter specialization contains some headers or footers for several
 * pages. Is a list of headerFooters but also a sub class of header footer, to change
 * as less as possible of the current API.
 * 
 * ONLY FOR USE WITH THE RtfWriter NOT with the RtfWriter2.
 *
 * This class is based on the RtfWriter-package from Mark Hall.
 * @author Steffen.Stundzig ([e-mail]) 
 * @author Mark Hall ([e-mail])
 * @version $Revision: 2356 $Date: 2006/09/12 12:16:35 $
 * @deprecated Please move to the RtfWriter2 and associated classes. com.lowagie.text.rtf.headerfooter.RtfHeaderFooterGroup replaces the functionality of this class.
 */
public class RtfHeaderFooters extends HeaderFooter {
	/** an attribute value */
    public final static int ALL_PAGES = 0;
	/** an attribute value */
    public final static int LEFT_PAGES = 1;
	/** an attribute value */
    public final static int RIGHT_PAGES = 2;
	/** an attribute value */
    public final static int FIRST_PAGE = 3;
    
//    public int defaultHeader = ALL_PAGES;

	/** header or footer placeholder */
    private HeaderFooter allPages = null;
	/** header or footer placeholder */
    private HeaderFooter leftPages = null;
	/** header or footer placeholder */
    private HeaderFooter rightPages = null;
	/** header or footer placeholder */
    private HeaderFooter firstPage = null;

    /**
     * Contructs a HeaderFooters object
     */
    public RtfHeaderFooters() {
        super( new Phrase(""), false );
    }

    /**
     * Contructs a HeaderFooters object
     * @param before
     * @param after
     */
    public RtfHeaderFooters( Phrase before, Phrase after ) {
        super( before, after );
    }

    /**
     * Contructs a HeaderFooters object
     * @param before
     * @param numbered
     */
    public RtfHeaderFooters( Phrase before, boolean numbered ) {
        super( before, numbered );
    }

    /**
     * Adds a HeaderFooter to this HeaderFooters object
     * @param type
     * @param hf
     */
    public void set( int type, HeaderFooter hf ) {
        switch (type) {
            case ALL_PAGES:
                allPages = hf;
                break;
            case LEFT_PAGES:
                leftPages = hf;
                break;
            case RIGHT_PAGES:
                rightPages = hf;
                break;
            case FIRST_PAGE:
                firstPage = hf;
                break;
            default:
                throw new IllegalStateException( "unknown type " + type );
        }
    }

    /**
     * Returns a type of HeaderFooter object registered in this HeaderFooters object.
     * @param type type of the HeaderFooter object
     * @return a HeaderFooter object
     */
    public HeaderFooter get( int type ) {
        switch (type) {
            case ALL_PAGES:
                return allPages;
            case LEFT_PAGES:
                return leftPages;
            case RIGHT_PAGES:
                return rightPages;
            case FIRST_PAGE:
                return firstPage;
            default:
                throw new IllegalStateException( "unknown type " + type );
        }
    }    
}