rtfdestinationdocument.java

源码包含生成 PDF 和 HTML 的类库

/*
 * $Id: RtfDestinationDocument.java 3456 2008-05-26 15:26:57Z howard_s $
 *
 * Copyright 2007 by Howard Shank ([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) 1999-2006 by Bruno Lowagie.
 * All Rights Reserved.
 * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
 * are Copyright (C) 2000-2006 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 even 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.parser.destinations;

import java.awt.Color;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;

import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Font;
import com.lowagie.text.FontFactory;
import com.lowagie.text.Paragraph;
import com.lowagie.text.rtf.direct.RtfDirectContent;
import com.lowagie.text.rtf.document.*;
import com.lowagie.text.rtf.parser.RtfParser;
import com.lowagie.text.rtf.parser.ctrlwords.RtfCtrlWordData;
import com.lowagie.text.rtf.parser.ctrlwords.RtfCtrlWordType;
import com.lowagie.text.rtf.parser.properties.RtfProperty;
import com.lowagie.text.rtf.parser.properties.RtfPropertyListener;
/**
 * <code>RtfDestinationDocument</code> handles data destined for the document destination
 * 
 * @author Howard Shank ([e-mail])
 * @since 2.1.0
 */
public final class RtfDestinationDocument extends RtfDestination implements RtfPropertyListener {


	/**
	 * The RtfDocument object.
	 * 
	 * @see com.lowagie.text.rtf.document.RtfDocument
	 */
	private RtfDocument rtfDoc = null;
	
	/**
	 * The iText Document object.
	 * 
	 * @see com.lowagie.text.Document
	 */
	private Document doc = null;
	
	private StringBuffer buffer = null;
	/**
	 * Indicates the parser action. Import or Conversion.
	 * 
	 * @see com.lowagie.text.rtf.parser.RtfParser#TYPE_UNIDENTIFIED
	 * @see com.lowagie.text.rtf.parser.RtfParser#TYPE_CONVERT
	 * @see com.lowagie.text.rtf.parser.RtfParser#TYPE_IMPORT_FRAGMENT
	 * @see com.lowagie.text.rtf.parser.RtfParser#TYPE_IMPORT_FULL
	 */
	private int conversionType = 0;
	
	
	/**
	 * Indicates the current table level being processed
	 */
	private int tableLevel = 0;
	
	private static final List IMPORT_IGNORED_CTRLWORDS = Arrays.asList(new String[]{
		"rtf",
		"ansicpg",
		"deff",
		"ansi",
		"mac",
		"pca",
		"pc",
		"stshfdbch",
		"stshfloch",
		"stshfhich",
		"stshfbi",
		"deflang",
		"deflangfe",
		"adeflang",
		"adeflangfe"});

	private static final List CONVERT_IGNORED_CTRLWORDS = Arrays.asList(new String[]{"rtf"});

	private Paragraph iTextParagraph = null;
	
	public RtfDestinationDocument() {
		super(null);
	}
	/**
	 * Constructs a new <code>RtfDestinationDocument</code> using
	 * the parameters to initialize the object.
	 * @param parser an RtfParser.
	 */
	public RtfDestinationDocument(RtfParser parser) {
		super(parser);
		this.rtfDoc = parser.getRtfDocument();
		this.doc = parser.getDocument();
		this.conversionType = parser.getConversionType();
		setToDefaults();
		if(this.rtfParser.isConvert()) {
			this.rtfParser.getState().properties.addRtfPropertyListener(this);
		}
	}
	
	
	/* (non-Javadoc)
	 * @see java.lang.Object#finalize()
	 */
	protected void finalize() throws Throwable {
		// TODO Auto-generated method stub
		if(this.rtfParser.isConvert()) {
			this.rtfParser.getState().properties.removeRtfPropertyListener(this);
		}
		super.finalize();
	}

	public void setParser(RtfParser parser) {
		this.rtfParser = parser;
		this.rtfDoc = parser.getRtfDocument();
		this.doc = parser.getDocument();
		this.conversionType = parser.getConversionType();
		setToDefaults();
		if(this.rtfParser.isConvert()) {
			this.rtfParser.getState().properties.addRtfPropertyListener(this);
		}
	}
	

	/* (non-Javadoc)
	 * @see com.lowagie.text.rtf.direct.RtfDestination#closeDestination()
	 */
	public boolean closeDestination() {
		if(this.rtfParser.isImport()) {
			if(this.buffer.length()>0) {
				writeBuffer();
			}
		}
		
		this.rtfParser.getState().properties.removeRtfPropertyListener(this);

		return true;
	}

	/* (non-Javadoc)
	 * @see com.lowagie.text.rtf.direct.RtfDestination#handleGroupStart()
	 */
	public boolean handleOpenGroup() {
		this.onOpenGroup();	// event handler
		
		if(this.rtfParser.isImport()) {
		}
		if(this.rtfParser.isConvert()) {
			if(this.iTextParagraph == null) this.iTextParagraph = new Paragraph();
		}
		return true;
	}
	/* (non-Javadoc)
	 * @see com.lowagie.text.rtf.parser.destinations.RtfDestination#handleOpenNewGroup()
	 */
	public boolean handleOpeningSubGroup() {
		if(this.rtfParser.isImport()) {
			if(this.buffer.length()>0) {
				writeBuffer();
			}
		}
		return true;
	}
	/* (non-Javadoc)
	 * @see com.lowagie.text.rtf.direct.RtfDestination#handleGroupEnd()
	 */
	public boolean handleCloseGroup() {
		this.onCloseGroup();	// event handler
		
		if(this.rtfParser.isImport()) {
			if(this.buffer.length()>0) {
				writeBuffer();
			}
			writeText("}");
		}
		if(this.rtfParser.isConvert()) {
			if(this.buffer.length() > 0 && this.iTextParagraph == null) {
				this.iTextParagraph = new Paragraph();
			}
			if(this.buffer.length() > 0 ) {
				Chunk chunk = new Chunk();
				chunk.append(this.buffer.toString());
				this.iTextParagraph.add(chunk);
			}
			if(this.iTextParagraph != null) {
				addParagraphToDocument();
			}
		}
		return true;
	}
	/* (non-Javadoc)
	 * @see com.lowagie.text.rtf.direct.RtfDestination#handleCharacter(int)
	 */
	public boolean handleCharacter(int ch) {
		boolean result = true;
		this.onCharacter(ch);	// event handler
		
		if(this.rtfParser.isImport()) {
			if(buffer.length() > 254) {
				this.writeBuffer();
			}
			buffer.append((char)ch);
		}
		if(this.rtfParser.isConvert()) {
			buffer.append((char)ch);
		}
		return result;
	}

	
	public boolean handleControlWord(RtfCtrlWordData ctrlWordData) {
		boolean result = false;
		this.onCtrlWord(ctrlWordData);	// event handler
		
		if(this.rtfParser.isImport()) {
			// map font information
			if(ctrlWordData.ctrlWord.equals("f")) { ctrlWordData.param =  this.rtfParser.getImportManager().mapFontNr(ctrlWordData.param);}
			
			// map color information
			//colors
			if(ctrlWordData.ctrlWord.equals("cb")) { ctrlWordData.param = this.rtfParser.getImportManager().mapColorNr(ctrlWordData.param);}
			if(ctrlWordData.ctrlWord.equals("cf")) { ctrlWordData.param = this.rtfParser.getImportManager().mapColorNr(ctrlWordData.param);}
			//cells
			if(ctrlWordData.ctrlWord.equals("clcbpat")) { ctrlWordData.param = this.rtfParser.getImportManager().mapColorNr(ctrlWordData.param);}
			if(ctrlWordData.ctrlWord.equals("clcbpatraw")) { ctrlWordData.param = this.rtfParser.getImportManager().mapColorNr(ctrlWordData.param);}
			if(ctrlWordData.ctrlWord.equals("clcfpat")) { ctrlWordData.param = this.rtfParser.getImportManager().mapColorNr(ctrlWordData.param);}
			if(ctrlWordData.ctrlWord.equals("clcfpatraw")) { ctrlWordData.param = this.rtfParser.getImportManager().mapColorNr(ctrlWordData.param);}
			//table rows
			if(ctrlWordData.ctrlWord.equals("trcfpat")) { ctrlWordData.param = this.rtfParser.getImportManager().mapColorNr(ctrlWordData.param);}
			if(ctrlWordData.ctrlWord.equals("trcbpat")) { ctrlWordData.param = this.rtfParser.getImportManager().mapColorNr(ctrlWordData.param);}
			//paragraph border
			if(ctrlWordData.ctrlWord.equals("brdrcf")) { ctrlWordData.param = this.rtfParser.getImportManager().mapColorNr(ctrlWordData.param);}
			// map lists
			if(ctrlWordData.ctrlWord.equals("ls")) { ctrlWordData.param = this.rtfParser.getImportManager().mapListNr(ctrlWordData.param);}
		}
		

		
		if(this.rtfParser.isConvert()) {
			if(ctrlWordData.ctrlWord.equals("par")) { addParagraphToDocument(); }
			// Set Font
			if(ctrlWordData.ctrlWord.equals("f")) {}
			
			// color information
			//colors
			if(ctrlWordData.ctrlWord.equals("cb")) {}
			if(ctrlWordData.ctrlWord.equals("cf")) {}
			//cells
			if(ctrlWordData.ctrlWord.equals("clcbpat")) {}
			if(ctrlWordData.ctrlWord.equals("clcbpatraw")) {}
			if(ctrlWordData.ctrlWord.equals("clcfpat")) {}
			if(ctrlWordData.ctrlWord.equals("clcfpatraw")) {}
			//table rows
			if(ctrlWordData.ctrlWord.equals("trcfpat")) {}
			if(ctrlWordData.ctrlWord.equals("trcbpat")) {}
			//paragraph border
			if(ctrlWordData.ctrlWord.equals("brdrcf")) {}
			
			/* TABLES */
			if(ctrlWordData.ctrlWord.equals("trowd")) /*Beginning of row*/ { tableLevel++;}