123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257 |
- /*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (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.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
- /* $Id$ */
-
- package org.apache.fop.render.rtf.rtflib.rtfdoc;
-
- /*
- * This file is part of the RTF library of the FOP project, which was originally
- * created by Bertrand Delacretaz bdelacretaz@codeconsult.ch and by other
- * contributors to the jfor project (www.jfor.org), who agreed to donate jfor to
- * the FOP project.
- */
-
- import java.io.BufferedWriter;
- import java.io.FileWriter;
- import java.io.IOException;
- import java.io.OutputStreamWriter;
- import java.io.Writer;
-
- import org.apache.fop.render.rtf.rtflib.exceptions.RtfStructureException;
-
- /**
- * <p>Models the top-level structure of an RTF file.</p>
- *
- * <p>This work was authored by Bertrand Delacretaz (bdelacretaz@codeconsult.ch),
- * Andreas Putz (a.putz@skynamics.com), and
- * Christopher Scott (scottc@westinghouse.com).</p>
- */
-
- public class RtfFile
- extends RtfContainer {
- private RtfHeader header;
- private RtfPageArea pageArea;
- private RtfListTable listTable;
- private RtfDocumentArea docArea;
- // private ConverterLogChannel m_log;
- private RtfContainer listTableContainer;
- private int listNum;
-
- /**
- * Create an RTF file that outputs to the given Writer
- * @param w the Writer to write to
- * @throws IOException for I/O problems
- */
- public RtfFile(Writer w) throws IOException {
- super(null, w);
- }
-
- /** optional log channel */
- // public void setLogChannel(ConverterLogChannel log)
- // {
- // m_log = log;
- // }
-
- /**
- * Gets the log channel.
- * If logchannel not set, it will return a empty log channel.
- * @return our log channel, it is never null */
- // ConverterLogChannel getLog()
- // {
- // if (m_log == null)
- // m_log = new ConverterLogChannel (null);
- // return m_log;
- // }
-
- /**
- * If called, must be called before startDocumentArea
- * @return the new RtfHeader
- * @throws IOException for I/O problems
- * @throws RtfStructureException for illegal RTF structure
- */
- public RtfHeader startHeader()
- throws IOException, RtfStructureException {
- if (header != null) {
- throw new RtfStructureException("startHeader called more than once");
- }
- header = new RtfHeader(this, writer);
- listTableContainer = new RtfContainer(this, writer);
- return header;
- }
-
- /**
- * Creates the list table.
- * @param attr attributes for the RtfListTable
- * @return the new RtfListTable
- * @throws IOException for I/O problems
- */
- public RtfListTable startListTable(RtfAttributes attr)
- throws IOException {
- listNum++;
- if (listTable != null) {
- return listTable;
- } else {
- listTable = new RtfListTable(this, writer, listNum, attr);
- listTableContainer.addChild(listTable);
- }
-
- return listTable;
- }
-
- /**
- * Get the list table.
- * @return the RtfListTable
- */
- public RtfListTable getListTable() {
- return listTable;
- }
-
- /**
- * Closes the RtfHeader if not done yet, and starts the docment area.
- * Like startDocumentArea, is only called once. This is not optimal,
- * must be able to have multiple page definition, and corresponding
- * Document areas
- * @return the RtfPageArea
- * @throws IOException for I/O problems
- * @throws RtfStructureException for illegal RTF structure
- */
- public RtfPageArea startPageArea()
- throws IOException, RtfStructureException {
- if (pageArea != null) {
- throw new RtfStructureException("startPageArea called more than once");
- }
- // create an empty header if there was none
- if (header == null) {
- startHeader();
- }
- header.close();
- pageArea = new RtfPageArea(this, writer);
- addChild(pageArea);
- return pageArea;
- }
-
- /**
- * Call startPageArea if needed and return the page area object.
- * @return the RtfPageArea
- * @throws IOException for I/O problems
- * @throws RtfStructureException for illegal RTF structure
- */
- public RtfPageArea getPageArea()
- throws IOException, RtfStructureException {
- if (pageArea == null) {
- return startPageArea();
- }
- return pageArea;
- }
-
- /**
- * Closes the RtfHeader if not done yet, and starts the document area.
- * Must be called once only.
- * @return the RtfDocumentArea
- * @throws IOException for I/O problems
- * @throws RtfStructureException for illegal RTF structure
- */
- public RtfDocumentArea startDocumentArea()
- throws IOException, RtfStructureException {
- if (docArea != null) {
- throw new RtfStructureException("startDocumentArea called more than once");
- }
- // create an empty header if there was none
- if (header == null) {
- startHeader();
- }
- header.close();
- docArea = new RtfDocumentArea(this, writer);
- addChild(docArea);
- return docArea;
- }
-
-
-
- /**
- * Call startDocumentArea if needed and return the document area object.
- * @return the RtfDocumentArea
- * @throws IOException for I/O problems
- * @throws RtfStructureException for illegal RTF structure
- */
- public RtfDocumentArea getDocumentArea()
- throws IOException, RtfStructureException {
- if (docArea == null) {
- return startDocumentArea();
- }
- return docArea;
- }
-
- /**
- * overridden to write RTF prefix code, what comes before our children
- * @throws IOException for I/O problems
- */
- protected void writeRtfPrefix() throws IOException {
- writeGroupMark(true);
- writeControlWord("rtf1");
- }
-
- /**
- * overridden to write RTF suffix code, what comes after our children
- * @throws IOException for I/O problems
- */
- protected void writeRtfSuffix() throws IOException {
- writeGroupMark(false);
- }
-
- /**
- * must be called when done creating the document
- * @throws IOException for I/O problems
- */
- public synchronized void flush() throws IOException {
- writeRtf();
- writer.flush();
- }
-
- /**
- * minimal test and usage example
- * @param args command-line arguments
- * @throws Exception for problems
- */
- public static void main(String[] args)
- throws Exception {
- Writer w = null;
- if (args.length != 0) {
- final String outFile = args[0];
- System.err.println("Outputting RTF to file '" + outFile + "'");
- w = new BufferedWriter(new FileWriter(outFile));
- } else {
- System.err.println("Outputting RTF code to standard output");
- w = new BufferedWriter(new OutputStreamWriter(System.out));
- }
-
- final RtfFile f = new RtfFile(w);
- final RtfSection sect = f.startDocumentArea().newSection();
-
- final RtfParagraph p = sect.newParagraph();
- p.newText("Hello, RTF world.\n", null);
- final RtfAttributes attr = new RtfAttributes();
- attr.set(RtfText.ATTR_BOLD);
- attr.set(RtfText.ATTR_ITALIC);
- attr.set(RtfText.ATTR_FONT_SIZE, 36);
- p.newText("This is bold, italic, 36 points", attr);
-
- f.flush();
- System.err.println("RtfFile test: all done.");
- }
- }
|