Source Code Cross Referenced for RtfWriter2.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: RtfWriter2.java 2623 2007-02-23 22:28:28Z xlv $
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:         *
023:         * Contributor(s): all the names of the contributors are added in the source code
024:         * where applicable.
025:         *
026:         * Alternatively, the contents of this file may be used under the terms of the
027:         * LGPL license (the ?GNU LIBRARY GENERAL PUBLIC LICENSE?), in which case the
028:         * provisions of LGPL are applicable instead of those above.  If you wish to
029:         * allow use of your version of this file only under the terms of the LGPL
030:         * License and not to allow others to use your version of this file under
031:         * the MPL, indicate your decision by deleting the provisions above and
032:         * replace them with the notice and other provisions required by the LGPL.
033:         * If you do not delete the provisions above, a recipient may use your version
034:         * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
035:         *
036:         * This library is free software; you can redistribute it and/or modify it
037:         * under the terms of the MPL as stated above or under the terms of the GNU
038:         * Library General Public License as published by the Free Software Foundation;
039:         * either version 2 of the License, or any later version.
040:         *
041:         * This library is distributed in the hope that it will be useful, but WITHOUT
042:         * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
043:         * FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
044:         * details.
045:         *
046:         * If you didn't download this code from the following link, you should check if
047:         * you aren't using an obsolete version:
048:         * http://www.lowagie.com/iText/
049:         */
050:
051:        package com.lowagie.text.rtf;
052:
053:        import java.io.IOException;
054:        import java.io.OutputStream;
055:        import java.io.Reader;
056:
057:        import com.lowagie.text.DocWriter;
058:        import com.lowagie.text.Document;
059:        import com.lowagie.text.DocumentException;
060:        import com.lowagie.text.Element;
061:        import com.lowagie.text.HeaderFooter;
062:        import com.lowagie.text.Rectangle;
063:        import com.lowagie.text.rtf.direct.RtfImportMappings;
064:        import com.lowagie.text.rtf.direct.RtfParser;
065:        import com.lowagie.text.rtf.document.RtfDocument;
066:        import com.lowagie.text.rtf.document.RtfDocumentSettings;
067:        import com.lowagie.text.rtf.text.RtfNewPage;
068:
069:        /**
070:         * The RtfWriter allows the creation of rtf documents via the iText system
071:         *
072:         * Version: $Id: RtfWriter2.java 2623 2007-02-23 22:28:28Z xlv $
073:         * @author Mark Hall (mhall@edu.uni-klu.ac.at)
074:         */
075:        public class RtfWriter2 extends DocWriter {
076:            /**
077:             * The RtfDocument this RtfWriter is creating
078:             */
079:            private RtfDocument rtfDoc = null;
080:
081:            /**
082:             * Constructs a new RtfWriter that listens to the specified Document and
083:             * writes its output to the OutputStream.
084:             * 
085:             * @param doc The Document that this RtfWriter listens to
086:             * @param os The OutputStream to write to
087:             */
088:            protected RtfWriter2(Document doc, OutputStream os) {
089:                super (doc, os);
090:                doc.addDocListener(this );
091:                rtfDoc = new RtfDocument();
092:            }
093:
094:            /**
095:             * Static method to generate RtfWriters
096:             * 
097:             * @param doc The Document that this RtfWriter listens to
098:             * @param os The OutputStream to write to
099:             * @return The new RtfWriter
100:             */
101:            public static RtfWriter2 getInstance(Document doc, OutputStream os) {
102:                return new RtfWriter2(doc, os);
103:            }
104:
105:            /**
106:             * Sets the header to use
107:             * 
108:             * @param hf The HeaderFooter to use
109:             */
110:            public void setHeader(HeaderFooter hf) {
111:                this .rtfDoc.getDocumentHeader().setHeader(hf);
112:            }
113:
114:            /**
115:             * Resets the header
116:             */
117:            public void resetHeader() {
118:                this .rtfDoc.getDocumentHeader().setHeader(null);
119:            }
120:
121:            /**
122:             * Sets the footer to use
123:             * 
124:             * @param hf The HeaderFooter to use
125:             */
126:            public void setFooter(HeaderFooter hf) {
127:                this .rtfDoc.getDocumentHeader().setFooter(hf);
128:            }
129:
130:            /**
131:             * Resets the footer
132:             */
133:            public void resetFooter() {
134:                this .rtfDoc.getDocumentHeader().setFooter(null);
135:            }
136:
137:            /**
138:             * This method is not supported in the RtfWriter
139:             * @param i Unused
140:             */
141:            public void setPageCount(int i) {
142:            }
143:
144:            /**
145:             * This method is not supported in the RtfWriter
146:             */
147:            public void resetPageCount() {
148:            }
149:
150:            /**
151:             * This method is not supported in the RtfWriter
152:             */
153:            public void clearTextWrap() {
154:            }
155:
156:            /**
157:             * Opens the RtfDocument
158:             * @throws IOException 
159:             */
160:            public void open() {
161:                super .open();
162:                this .rtfDoc.open();
163:            }
164:
165:            /**
166:             * Closes the RtfDocument. This causes the document to be written
167:             * to the specified OutputStream
168:             */
169:            public void close() {
170:                if (open) {
171:                    rtfDoc.writeDocument(os);
172:                    super .close();
173:                    this .rtfDoc = new RtfDocument();
174:                }
175:            }
176:
177:            /**
178:             * Adds an Element to the Document
179:             *
180:             * @param element The element to be added
181:             * @return <code>false</code>
182:             * @throws DocumentException
183:             */
184:            public boolean add(Element element) throws DocumentException {
185:                if (pause) {
186:                    return false;
187:                }
188:                RtfBasicElement rtfElement = rtfDoc.getMapper().mapElement(
189:                        element);
190:                if (rtfElement != null) {
191:                    rtfDoc.add(rtfElement);
192:                    return true;
193:                } else {
194:                    return false;
195:                }
196:            }
197:
198:            /**
199:             * Adds a page break
200:             *
201:             * @return <code>false</code>
202:             */
203:            public boolean newPage() {
204:                rtfDoc.add(new RtfNewPage(rtfDoc));
205:                return true;
206:            }
207:
208:            /**
209:             * Sets the page margins
210:             *
211:             * @param left The left margin
212:             * @param right The right margin
213:             * @param top The top margin
214:             * @param bottom The bottom margin
215:             * @return <code>false</code>
216:             */
217:            public boolean setMargins(float left, float right, float top,
218:                    float bottom) {
219:                rtfDoc.getDocumentHeader().getPageSetting().setMarginLeft(
220:                        (int) (left * RtfElement.TWIPS_FACTOR));
221:                rtfDoc.getDocumentHeader().getPageSetting().setMarginRight(
222:                        (int) (right * RtfElement.TWIPS_FACTOR));
223:                rtfDoc.getDocumentHeader().getPageSetting().setMarginTop(
224:                        (int) (top * RtfElement.TWIPS_FACTOR));
225:                rtfDoc.getDocumentHeader().getPageSetting().setMarginBottom(
226:                        (int) (bottom * RtfElement.TWIPS_FACTOR));
227:                return true;
228:            }
229:
230:            /**
231:             * Sets the size of the page
232:             *
233:             * @param rect A Rectangle representing the page
234:             * @return <code>false</code>
235:             */
236:            public boolean setPageSize(Rectangle rect) {
237:                rtfDoc.getDocumentHeader().getPageSetting().setPageSize(rect);
238:                return true;
239:            }
240:
241:            /**
242:             * Whether to automagically generate table of contents entries when
243:             * adding Chapters or Sections.
244:             * 
245:             * @param autogenerate Whether to automatically generate TOC entries
246:             */
247:            public void setAutogenerateTOCEntries(boolean autogenerate) {
248:                this .rtfDoc.setAutogenerateTOCEntries(autogenerate);
249:            }
250:
251:            /**
252:             * Sets the rtf data cache style to use. Valid values are given in the 
253:             * RtfDataCache class.
254:             *  
255:             * @param dataCacheStyle The style to use.
256:             * @throws DocumentException If data has already been written into the data cache.
257:             * @throws IOException If the disk cache could not be initialised.
258:             * @deprecated Use RtfWriter2.getDocumentSettings().setDataCacheStyle(...);
259:             */
260:            public void setDataCacheStyle(int dataCacheStyle) {
261:                this .rtfDoc.getDocumentSettings().setDataCacheStyle(
262:                        dataCacheStyle);
263:            }
264:
265:            /**
266:             * Gets the RtfDocumentSettings that specify how the rtf document is generated.
267:             * 
268:             * @return The current RtfDocumentSettings.
269:             */
270:            public RtfDocumentSettings getDocumentSettings() {
271:                return this .rtfDoc.getDocumentSettings();
272:            }
273:
274:            /**
275:             * Adds the complete RTF document to the current RTF document being generated.
276:             * It will parse the font and color tables and correct the font and color references
277:             * so that the imported RTF document retains its formattings.
278:             * 
279:             * @param documentSource The Reader to read the RTF document from.
280:             * @throws IOException On errors reading the RTF document.
281:             * @throws DocumentException On errors adding to this RTF document.
282:             */
283:            public void importRtfDocument(Reader documentSource)
284:                    throws IOException, DocumentException {
285:                if (!this .open) {
286:                    throw new DocumentException(
287:                            "The document must be open to import RTF documents.");
288:                }
289:                RtfParser rtfImport = new RtfParser();
290:                rtfImport.importRtfDocument(documentSource, this .rtfDoc);
291:            }
292:
293:            /**
294:             * Adds a fragment of an RTF document to the current RTF document being generated.
295:             * Since this fragment doesn't contain font or color tables, all fonts and colors
296:             * are mapped to the default font and color. If the font and color mappings are
297:             * known, they can be specified via the mappings parameter.
298:             * 
299:             * @param documentSource The Reader to read the RTF fragment from.
300:             * @param mappings The RtfImportMappings that contain font and color mappings to apply to the fragment.
301:             * @throws IOException On errors reading the RTF fragment.
302:             * @throws DocumentException On errors adding to this RTF fragment.
303:             */
304:            public void importRtfFragment(Reader documentSource,
305:                    RtfImportMappings mappings) throws IOException,
306:                    DocumentException {
307:                if (!this .open) {
308:                    throw new DocumentException(
309:                            "The document must be open to import RTF fragments.");
310:                }
311:                RtfParser rtfImport = new RtfParser();
312:                rtfImport.importRtfFragment(documentSource, this.rtfDoc,
313:                        mappings);
314:            }
315:        }
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