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/*
* $Id: RtfStylesheetList.java,v 1.2 2006/08/07 10:42:35 blowagie Exp $
* $Name: $
*
* Copyright 2001, 2002, 2003, 2004 by Mark Hall
*
* 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 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.style;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.HashMap;
import java.util.Iterator;
import com.lowagie.text.rtf.RtfBasicElement;
import com.lowagie.text.rtf.RtfElement;
import com.lowagie.text.rtf.RtfExtendedElement;
import com.lowagie.text.rtf.document.RtfDocument;
/**
* The RtfStylesheetList stores the RtfParagraphStyles that are used in the document.
*
* @version $Revision: 1.2 $
* @author Mark Hall (mhall@edu.uni-klu.ac.at)
*/
public class RtfStylesheetList extends RtfElement implements RtfExtendedElement {
/**
* The HashMap containing the RtfParagraphStyles.
*/
private HashMap styleMap = null;
/**
* Whether the default settings have been loaded.
*/
private boolean defaultsLoaded = false;
/**
* Constructs a new RtfStylesheetList for the RtfDocument.
*
* @param doc The RtfDocument this RtfStylesheetList belongs to.
*/
public RtfStylesheetList(RtfDocument doc) {
super(doc);
this.styleMap = new HashMap();
}
/**
* Register a RtfParagraphStyle with this RtfStylesheetList.
*
* @param rtfParagraphStyle The RtfParagraphStyle to add.
*/
public void registerParagraphStyle(RtfParagraphStyle rtfParagraphStyle) {
RtfParagraphStyle tempStyle = new RtfParagraphStyle(this.document, rtfParagraphStyle);
tempStyle.setStyleNumber(this.styleMap.size());
tempStyle.handleInheritance();
this.styleMap.put(tempStyle.getStyleName(), tempStyle);
}
/**
* Registers all default styles. If styles with the given name have already been registered,
* then they are NOT overwritten.
*/
private void registerDefaultStyles() {
defaultsLoaded = true;
if(!this.styleMap.containsKey(RtfParagraphStyle.STYLE_NORMAL.getStyleName())) {
registerParagraphStyle(RtfParagraphStyle.STYLE_NORMAL);
}
if(!this.styleMap.containsKey(RtfParagraphStyle.STYLE_HEADING_1.getStyleName())) {
registerParagraphStyle(RtfParagraphStyle.STYLE_HEADING_1);
}
if(!this.styleMap.containsKey(RtfParagraphStyle.STYLE_HEADING_2.getStyleName())) {
registerParagraphStyle(RtfParagraphStyle.STYLE_HEADING_2);
}
if(!this.styleMap.containsKey(RtfParagraphStyle.STYLE_HEADING_3.getStyleName())) {
registerParagraphStyle(RtfParagraphStyle.STYLE_HEADING_3);
}
}
/**
* Gets the RtfParagraphStyle with the given name. Makes sure that the defaults
* have been loaded.
*
* @param styleName The name of the RtfParagraphStyle to get.
* @return The RtfParagraphStyle with the given name or null.
*/
public RtfParagraphStyle getRtfParagraphStyle(String styleName) {
if(!defaultsLoaded) {
registerDefaultStyles();
}
if(this.styleMap.containsKey(styleName)) {
return (RtfParagraphStyle) this.styleMap.get(styleName);
} else {
return null;
}
}
/**
* Writes the definition of the stylesheet list.
*/
public byte[] writeDefinition() {
ByteArrayOutputStream result = new ByteArrayOutputStream();
try {
result.write("{".getBytes());
result.write("\\stylesheet".getBytes());
result.write(RtfBasicElement.DELIMITER);
if(this.document.getDocumentSettings().isOutputDebugLineBreaks()) {
result.write("\n".getBytes());
}
Iterator it = this.styleMap.values().iterator();
while(it.hasNext()) {
result.write(((RtfParagraphStyle) it.next()).writeDefinition());
}
result.write("}".getBytes());
if(this.document.getDocumentSettings().isOutputDebugLineBreaks()) {
result.write('\n');
}
} catch(IOException ioe) {
ioe.printStackTrace();
}
return result.toByteArray();
}
}
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