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Viewing changes to freemind/accessories/plugins/ExportToOoWriter.java

  • Committer: Bazaar Package Importer
  • Author(s): Benjamin Drung
  • Date: 2010-01-03 14:19:19 UTC
  • mfrom: (2.1.1 sid)
  • Revision ID: james.westby@ubuntu.com-20100103141919-m5az7dkicy21hqop
Tags: 0.9.0~rc6+dfsg-1ubuntu1
https://launchpad.net/bugs/182927
* Merge from Debian unstable (LP: #182927), remaining changes:
  - debian/copyright: add license/copyright for
    freemind/freemind/main/ExampleFileFilter.java

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freemind/accessories/plugins/ExportToOoWriter.java
 
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/*FreeMind - A Program for creating and viewing Mindmaps
 
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 *Copyright (C) 2000-2006 Joerg Mueller, Daniel Polansky, Christian Foltin, Dimitri Polivaev and others.
 
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 *
 
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 *See COPYING for Details
 
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 *
 
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 *This program is free software; you can redistribute it and/or
 
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 *modify it under the terms of the GNU General Public License
 
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 *as published by the Free Software Foundation; either version 2
 
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 *of the License, or (at your option) any later version.
 
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 *
 
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 *This program is distributed in the hope that it will be useful,
 
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 *but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 *MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 *GNU General Public License for more details.
 
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 *
 
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 *You should have received a copy of the GNU General Public License
 
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 *along with this program; if not, write to the Free Software
 
18
 *Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
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 */
 
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/*
 
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 * Created on 28.03.2004
 
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 *
 
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 */
 
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package accessories.plugins;
 
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import java.io.ByteArrayOutputStream;
 
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import java.io.File;
 
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import java.io.FileInputStream;
 
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import java.io.FileOutputStream;
 
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import java.io.IOException;
 
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import java.io.InputStream;
 
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import java.io.OutputStream;
 
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import java.io.StringReader;
 
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import java.io.StringWriter;
 
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import java.net.URL;
 
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import java.text.DateFormat;
 
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import java.util.Date;
 
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import java.util.Properties;
 
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import java.util.StringTokenizer;
 
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import java.util.zip.ZipEntry;
 
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import java.util.zip.ZipOutputStream;
 
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import javax.xml.transform.Result;
 
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import javax.xml.transform.Source;
 
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import javax.xml.transform.Transformer;
 
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import javax.xml.transform.TransformerFactory;
 
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import javax.xml.transform.stream.StreamResult;
 
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import javax.xml.transform.stream.StreamSource;
 
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import freemind.extensions.ExportHook;
 
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import freemind.main.FreeMind;
 
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import freemind.main.FreeMindStarter;
 
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import freemind.main.Resources;
 
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import freemind.main.Tools;
 
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/**
 
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 * @author foltin
 
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 * 
 
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 */
 
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public class ExportToOoWriter extends ExportHook {
 
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        private static java.util.logging.Logger logger = null;
 
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        /**
 
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         * 
 
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         */
 
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        public ExportToOoWriter() {
 
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                super();
 
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                if (logger == null) {
 
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                        logger = freemind.main.Resources.getInstance().getLogger(
 
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                                        this.getClass().getName());
 
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                }
 
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        }
 
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        /*
 
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         * (non-Javadoc)
 
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         * 
 
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         * @see freemind.extensions.MindMapHook#startupMapHook()
 
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         */
 
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        public void startupMapHook() {
 
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                super.startupMapHook();
 
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                File chosenFile = chooseFile(getResourceString("file_type"),
 
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                                null /*getTranslatableResourceString("file_description")*/, null);
 
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                if (chosenFile == null) {
 
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                        return;
 
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                }
 
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                getController().getFrame().setWaitingCursor(true);
 
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                try {
 
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                        exportToOoWriter(chosenFile);
 
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                } catch (IOException e) {
 
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                        freemind.main.Resources.getInstance().logException(e);
 
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                }
 
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                getController().getFrame().setWaitingCursor(false);
 
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        }
 
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        public boolean exportToOoWriter(File chosenFile) throws IOException {
 
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                // get output:
 
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                StringWriter writer = new StringWriter();
 
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                // get XML
 
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                getController().getMap().getFilteredXml(writer);
 
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                String xslts = getResourceString("files");
 
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                return exportToOoWriter(chosenFile, writer, xslts);
 
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        }
 
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        /**
 
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         * @return true, if successful.
 
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         */
 
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        private boolean applyXsltFile(String xsltFileName, StringWriter writer,
 
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                        Result result) throws IOException {
 
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                URL xsltUrl = getResource(xsltFileName);
 
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                if (xsltUrl == null) {
 
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                        logger.severe("Can't find " + xsltFileName + " as resource.");
 
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                        throw new IllegalArgumentException("Can't find " + xsltFileName
 
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                                        + " as resource.");
 
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                }
 
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                InputStream xsltStream = xsltUrl.openStream();
 
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                // System.out.println("set xsl");
 
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                Source xsltSource = new StreamSource(xsltStream);
 
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                // create an instance of TransformerFactory
 
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                try {
 
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                        StringReader reader = new StringReader(writer.getBuffer()
 
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                                        .toString());
 
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                        // System.out.println("make transform instance");
 
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                        TransformerFactory transFact = TransformerFactory.newInstance();
 
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                        Transformer trans = transFact.newTransformer(xsltSource);
 
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                trans.setParameter("date", DateFormat.getDateInstance(
 
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                                        DateFormat.SHORT).format(new Date()));
 
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                        trans.transform(new StreamSource(reader), result);
 
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                        return true;
 
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                } catch (Exception e) {
 
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                        // System.err.println("error applying the xslt file "+e);
 
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                        freemind.main.Resources.getInstance().logException(e);
 
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                        return false;
 
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                }
 
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        }
 
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        public boolean exportToOoWriter(File file, StringWriter writer, String xslts) throws IOException {
 
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                boolean resultValue = true;
 
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                ZipOutputStream zipout = new ZipOutputStream(new FileOutputStream(file));
 
143
 
 
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                Result result = new StreamResult(zipout);
 
145
                StringTokenizer tokenizer = new StringTokenizer(xslts, ",");
 
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                while (tokenizer.hasMoreTokens()) {
 
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                        String token = tokenizer.nextToken();
 
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                        String[] files = token.split("->");
 
149
                        if (files.length == 2) {
 
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                                ZipEntry entry = new ZipEntry(files[1]);
 
151
                                zipout.putNextEntry(entry);
 
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                                if(files[0].endsWith(".xsl")) {
 
153
                                        logger.info("Transforming with xslt " + files[0] + " to file " + files[1]);
 
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                                        resultValue &= applyXsltFile(files[0], writer, result);
 
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                                } else {
 
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                                        logger.info("Copying resource from " + files[0] + " to file " + files[1]);
 
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                                        resultValue &= copyFromResource(files[0], zipout);
 
158
                                }
 
159
                                zipout.closeEntry();
 
160
                        }
 
161
                }
 
162
                zipout.close();
 
163
                return resultValue;
 
164
        }
 
165
        
 
166
    /**
 
167
     * @return true, if successful.
 
168
     */
 
169
    private boolean copyFromResource(String fileName, OutputStream out) {
 
170
        // adapted from http://javaalmanac.com/egs/java.io/CopyFile.html
 
171
        // Copies src file to dst file.
 
172
        // If the dst file does not exist, it is created
 
173
            try {
 
174
                logger.finest("searching for "  + fileName);
 
175
                URL resource = getResource( fileName);
 
176
                if(resource==null){
 
177
                        logger.severe("Cannot find resource: "+ fileName);
 
178
                        return false;
 
179
                }
 
180
                InputStream in = resource.openStream();
 
181
                Tools.copyStream(in, out, false);
 
182
                return true;
 
183
            } catch (Exception e) {
 
184
                logger.severe("File not found or could not be copied. " +
 
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                        "Was earching for " +  fileName + " and should go to "+out);
 
186
                freemind.main.Resources.getInstance().logException(e);
 
187
                return false;
 
188
            }
 
189
 
 
190
        
 
191
    }
 
192
 
 
193
}