Source Code Cross Referenced for RtfAddableElement.java in  » PDF » pdf-itext » com » lowagie » text » rtf » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » PDF » pdf itext » com.lowagie.text.rtf 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * $Id: RtfAddableElement.java 2776 2007-05-23 20:01:40Z hallm $
003:         * $Name$
004:         *
005:         * Copyright 2001, 2002, 2003, 2004 by Mark Hall
006:         *
007:         * The contents of this file are subject to the Mozilla Public License Version 1.1
008:         * (the "License"); you may not use this file except in compliance with the License.
009:         * You may obtain a copy of the License at http://www.mozilla.org/MPL/
010:         *
011:         * Software distributed under the License is distributed on an "AS IS" basis,
012:         * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
013:         * for the specific language governing rights and limitations under the License.
014:         *
015:         * The Original Code is 'iText, a free JAVA-PDF library'.
016:         *
017:         * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
018:         * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
019:         * All Rights Reserved.
020:         * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
021:         * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
022:         * Co-Developer of the code is Mark Hall. Portions created by the Co-Developer are
023:         * Copyright (C) 2006 by Mark Hall. All Rights Reserved
024:         *
025:         * Contributor(s): all the names of the contributors are added in the source code
026:         * where applicable.
027:         *
028:         * Alternatively, the contents of this file may be used under the terms of the
029:         * LGPL license (the ?GNU LIBRARY GENERAL PUBLIC LICENSE?), in which case the
030:         * provisions of LGPL are applicable instead of those above.  If you wish to
031:         * allow use of your version of this file only under the terms of the LGPL
032:         * License and not to allow others to use your version of this file under
033:         * the MPL, indicate your decision by deleting the provisions above and
034:         * replace them with the notice and other provisions required by the LGPL.
035:         * If you do not delete the provisions above, a recipient may use your version
036:         * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
037:         *
038:         * This library is free software; you can redistribute it and/or modify it
039:         * under the terms of the MPL as stated above or under the terms of the GNU
040:         * Library General Public License as published by the Free Software Foundation;
041:         * either version 2 of the License, or any later version.
042:         *
043:         * This library is distributed in the hope that it will be useful, but WITHOUT
044:         * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
045:         * FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
046:         * details.
047:         *
048:         * If you didn't download this code from the following link, you should check if
049:         * you aren't using an obsolete version:
050:         * http://www.lowagie.com/iText/
051:         */
052:
053:        package com.lowagie.text.rtf;
054:
055:        import java.io.IOException;
056:        import java.io.OutputStream;
057:
058:        import com.lowagie.text.Chunk;
059:        import com.lowagie.text.Font;
060:        import com.lowagie.text.rtf.document.RtfDocument;
061:
062:        /**
063:         * The RtfAddableElement is the superclass for all rtf specific elements
064:         * that need to be added to an iText document. It is an extension of Chunk
065:         * and it also implements RtfBasicElement. It is an abstract class thus it
066:         * cannot be instantiated itself and has to be subclassed to be used.
067:         * 
068:         * @version $Id: RtfAddableElement.java 2776 2007-05-23 20:01:40Z hallm $
069:         * @author Mark Hall (mhall@edu.uni-klu.ac.at)
070:         * @author Thomas Bickel (tmb99@inode.at)
071:         */
072:        public abstract class RtfAddableElement extends Chunk implements 
073:                RtfBasicElement {
074:
075:            /**
076:             * The RtfDocument this RtfAddableElement belongs to.
077:             */
078:            protected RtfDocument doc = null;
079:            /**
080:             * Whether this RtfAddableElement is contained in a table.
081:             */
082:            protected boolean inTable = false;
083:            /**
084:             * Whether this RtfAddableElement is contained in a header.
085:             */
086:            protected boolean inHeader = false;
087:
088:            /**
089:             * Constructs a new RtfAddableElement. The Chunk content is
090:             * set to an empty string and the font to the default Font().
091:             */
092:            public RtfAddableElement() {
093:                super ("", new Font());
094:            }
095:
096:            /**
097:             * Subclasses have to implement this method.
098:             * 
099:             * @deprecated replaced by {@link #writeContent(OutputStream)}
100:             */
101:            public abstract byte[] write();
102:
103:            /**
104:             * Writes the element content to the given output stream.
105:             * This method replaces the {@link #write()} method which is now deprecated. 
106:             */
107:            public void writeContent(OutputStream out) throws IOException {
108:                byte[] content = write();
109:                out.write(content);
110:            }
111:
112:            /**
113:             * Sets the RtfDocument this RtfAddableElement belongs to
114:             */
115:            public void setRtfDocument(RtfDocument doc) {
116:                this .doc = doc;
117:            }
118:
119:            /**
120:             * Sets whether this RtfAddableElement is contained in a table.
121:             */
122:            public void setInTable(boolean inTable) {
123:                this .inTable = inTable;
124:            }
125:
126:            /**
127:             * Sets whether this RtfAddableElement is contained in a header/footer.
128:             */
129:            public void setInHeader(boolean inHeader) {
130:                this .inHeader = inHeader;
131:            }
132:
133:            /**
134:             * Transforms an integer into its String representation and then returns the bytes
135:             * of that string.
136:             *
137:             * @param i The integer to convert
138:             * @return A byte array representing the integer
139:             */
140:            public byte[] intToByteArray(int i) {
141:                return Integer.toString(i).getBytes();
142:            }
143:
144:            /**
145:             *  RtfAddableElement subclasses are never assumed to be empty.
146:             */
147:            public boolean isEmpty() {
148:                return false;
149:            }
150:        }
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