/*
* $Id:RtfAddableElement.java 3126 2008-02-07 20:30:46Z hallm $
*
* 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.
* Co-Developer of the code is Mark Hall. Portions created by the Co-Developer are
* Copyright (C) 2006 by Mark Hall. 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;
import java.io.IOException;
import java.io.OutputStream;
import com.lowagie.text.Chunk;
import com.lowagie.text.DocWriter;
import com.lowagie.text.LwgFont;
import com.lowagie.text.rtf.document.RtfDocument;
/**
* The RtfAddableElement is the superclass for all rtf specific elements
* that need to be added to an iText document. It is an extension of Chunk
* and it also implements RtfBasicElement. It is an abstract class thus it
* cannot be instantiated itself and has to be subclassed to be used.
*
* @version $Id:RtfAddableElement.java 3126 2008-02-07 20:30:46Z hallm $
* @author Mark Hall (Mark.Hall@mail.room3b.eu)
* @author Thomas Bickel (tmb99@inode.at)
*/
public abstract class RtfAddableElement extends Chunk implements RtfBasicElement {
/**
* The RtfDocument this RtfAddableElement belongs to.
*/
protected RtfDocument doc = null;
/**
* Whether this RtfAddableElement is contained in a table.
*/
protected boolean inTable = false;
/**
* Whether this RtfAddableElement is contained in a header.
*/
protected boolean inHeader = false;
/**
* Constructs a new RtfAddableElement. The Chunk content is
* set to an empty string and the font to the default Font().
*/
public RtfAddableElement() {
super("", new LwgFont());
}
/**
* Writes the element content to the given output stream.
*/
public abstract void writeContent(OutputStream out) throws IOException;
/**
* Sets the RtfDocument this RtfAddableElement belongs to.
*/
public void setRtfDocument(RtfDocument doc) {
this.doc = doc;
}
/**
* Sets whether this RtfAddableElement is contained in a table.
*/
public void setInTable(boolean inTable) {
this.inTable = inTable;
}
/**
* Sets whether this RtfAddableElement is contained in a header/footer.
*/
public void setInHeader(boolean inHeader) {
this.inHeader = inHeader;
}
/**
* Transforms an integer into its String representation and then returns the bytes
* of that string.
*
* @param i The integer to convert
* @return A byte array representing the integer
*/
public byte[] intToByteArray(int i) {
return DocWriter.getISOBytes(Integer.toString(i));
}
/**
* RtfAddableElement subclasses are never assumed to be empty.
*/
public boolean isEmpty() {
return false;
}
}