Examples of org.apache.poi.hpsf.MutablePropertySet

org.apache.poi.hpsf.MutablePropertySet

Adds writing support to the {@link PropertySet} class.
Please be aware that this class' functionality will be merged into the {@link PropertySet} class at a later time, so the API will change.
@author Rainer Klute <klute@rainer-klute.de> @version $Id: MutablePropertySet.java 382887 2006-03-03 16:57:55Z klute $ @since 2003-02-19

   * @param set the PropertySet to write out 
   * @param outFS the POIFSFileSystem to write the property into
   */
  protected void writePropertySet(String name, PropertySet set, POIFSFileSystem outFS) throws IOException {
    try {
      MutablePropertySet mSet = new MutablePropertySet(set);
      ByteArrayOutputStream bOut = new ByteArrayOutputStream();


      mSet.write(bOut);
      byte[] data = bOut.toByteArray();
      ByteArrayInputStream bIn = new ByteArrayInputStream(data);
      outFS.createDocument(bIn,name);


      logger.log(POILogger.INFO, "Wrote property set " + name + " of size " + data.length);

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        /* Create a mutable property set with a section that does not have the
         * formatID set: */
        final OutputStream out = new FileOutputStream(filename);
        final POIFSFileSystem poiFs = new POIFSFileSystem();
        final MutablePropertySet ps = new MutablePropertySet();
        ps.clearSections();
        ps.addSection(new MutableSection());


        /* Write it to a POIFS and the latter to disk: */
        try
        {
            final ByteArrayOutputStream psStream = new ByteArrayOutputStream();
            ps.write(psStream);
            psStream.close();
            final byte[] streamData = psStream.toByteArray();
            poiFs.createDocument(new ByteArrayInputStream(streamData),
                                 SummaryInformation.DEFAULT_STREAM_NAME);
            poiFs.writeFilesystem(out);

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        filename.deleteOnExit();


        /* Create a mutable property set and write it to a POIFS: */
        final OutputStream out = new FileOutputStream(filename);
        final POIFSFileSystem poiFs = new POIFSFileSystem();
        final MutablePropertySet ps = new MutablePropertySet();
        final MutableSection s = (MutableSection) ps.getSections().get(0);
        s.setFormatID(SectionIDMap.SUMMARY_INFORMATION_ID);


        final ByteArrayOutputStream psStream = new ByteArrayOutputStream();
        ps.write(psStream);
        psStream.close();
        final byte[] streamData = psStream.toByteArray();
        poiFs.createDocument(new ByteArrayInputStream(streamData),
                             SummaryInformation.DEFAULT_STREAM_NAME);
        poiFs.writeFilesystem(out);

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        final File filename = new File(dataDir, POI_FS);
        filename.deleteOnExit();
        final OutputStream out = new FileOutputStream(filename);
        final POIFSFileSystem poiFs = new POIFSFileSystem();
    
        final MutablePropertySet ps = new MutablePropertySet();
        final MutableSection si = new MutableSection();
        si.setFormatID(SectionIDMap.SUMMARY_INFORMATION_ID);
        ps.getSections().set(0, si);
    
        final MutableProperty p = new MutableProperty();
        p.setID(PropertyIDMap.PID_AUTHOR);
        p.setType(Variant.VT_LPWSTR);
        p.setValue(AUTHOR);
        si.setProperty(p);
        si.setProperty(PropertyIDMap.PID_TITLE, Variant.VT_LPSTR, TITLE);
    
        poiFs.createDocument(ps.toInputStream(),
                             SummaryInformation.DEFAULT_STREAM_NAME);
        poiFs.writeFilesystem(out);
        out.close();
    
        /* Read the POIFS: */

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        final File filename = new File(dataDir, POI_FS);
        filename.deleteOnExit();
        final OutputStream out = new FileOutputStream(filename);


        final POIFSFileSystem poiFs = new POIFSFileSystem();
        final MutablePropertySet ps = new MutablePropertySet();
        ps.clearSections();


        final ClassID formatID = new ClassID();
        formatID.setBytes(new byte[]{0, 1,  2,  3,  4,  5,  6,  7,
                                     8, 9, 10, 11, 12, 13, 14, 15});
        final MutableSection s1 = new MutableSection();
        s1.setFormatID(formatID);
        s1.setProperty(2, SECTION1);
        ps.addSection(s1);


        final MutableSection s2 = new MutableSection();
        s2.setFormatID(formatID);
        s2.setProperty(2, SECTION2);
        ps.addSection(s2);


        poiFs.createDocument(ps.toInputStream(), STREAM_NAME);
        poiFs.writeFilesystem(out);
        out.close();


        /* Read the POIFS: */
        final PropertySet[] psa = new PropertySet[1];

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     * succeeds.</p>
     */
    public void testUnicodeWrite8Bit()
    {
        final String TITLE = "This is a sample title";
        final MutablePropertySet mps = new MutablePropertySet();
        final MutableSection ms = (MutableSection) mps.getSections().get(0);
        ms.setFormatID(SectionIDMap.SUMMARY_INFORMATION_ID);
        final MutableProperty p = new MutableProperty();
        p.setID(PropertyIDMap.PID_TITLE);
        p.setType(Variant.VT_LPSTR);
        p.setValue(TITLE);
        ms.setProperty(p);


        Throwable t = null;
        try
        {
            ByteArrayOutputStream out = new ByteArrayOutputStream();
            mps.write(out);
            out.close();
            byte[] bytes = out.toByteArray();


            PropertySet psr = new PropertySet(bytes);
            assertTrue(psr.isSummaryInformation());

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            for (int i = 0; i < psf1.length; i++)
            {
                final InputStream in =
                    new ByteArrayInputStream(psf1[i].getBytes());
                final PropertySet psIn = PropertySetFactory.create(in);
                final MutablePropertySet psOut = new MutablePropertySet(psIn);
                final ByteArrayOutputStream psStream =
                    new ByteArrayOutputStream();
                psOut.write(psStream);
                psStream.close();
                final byte[] streamData = psStream.toByteArray();
                poiFs.createDocument(new ByteArrayInputStream(streamData),
                                     psf1[i].getName());
                poiFs.writeFilesystem(out);

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            copy.deleteOnExit();


            /* Write: */
            final OutputStream out = new FileOutputStream(copy);
            final POIFSFileSystem poiFs = new POIFSFileSystem();
            final MutablePropertySet ps1 = new MutablePropertySet();
            final MutableSection s = (MutableSection) ps1.getSections().get(0);
            final Map m = new HashMap(3, 1.0f);
            m.put(new Long(1), "String 1");
            m.put(new Long(2), "String 2");
            m.put(new Long(3), "String 3");
            s.setDictionary(m);
            s.setFormatID(SectionIDMap.DOCUMENT_SUMMARY_INFORMATION_ID[0]);
            int codepage = Constants.CP_UNICODE;
            s.setProperty(PropertyIDMap.PID_CODEPAGE, Variant.VT_I2,
                          new Integer(codepage));
            poiFs.createDocument(ps1.toInputStream(), "Test");
            poiFs.writeFilesystem(out);
            out.close();


            /* Read back: */
            final POIFile[] psf = Util.readPropertySets(copy);

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            copy.deleteOnExit();


            /* Write: */
            final OutputStream out = new FileOutputStream(copy);
            final POIFSFileSystem poiFs = new POIFSFileSystem();
            final MutablePropertySet ps1 = new MutablePropertySet();
            final MutableSection s = (MutableSection) ps1.getSections().get(0);
            final Map m = new HashMap(3, 1.0f);
            m.put(new Long(1), "String 1");
            m.put(new Long(2), "String 2");
            m.put(new Long(3), "String 3");
            s.setDictionary(m);
            s.setFormatID(SectionIDMap.DOCUMENT_SUMMARY_INFORMATION_ID[0]);
            int codepage = 12345;
            s.setProperty(PropertyIDMap.PID_CODEPAGE, Variant.VT_I2,
                          new Integer(codepage));
            poiFs.createDocument(ps1.toInputStream(), "Test");
            poiFs.writeFilesystem(out);
            out.close();
            fail("This testcase did not detect the invalid codepage value.");
        }
        catch (IllegalPropertySetDataException ex)

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            /* Get the directory entry for the target stream. */
            final DirectoryEntry de = getPath(poiFs, path);


            /* Create a mutable property set as a copy of the original read-only
             * property set. */
            final MutablePropertySet mps = new MutablePropertySet(si);
            
            /* Retrieve the section containing the properties to modify. A
             * summary information property set contains exactly one section. */
            final MutableSection s =
                (MutableSection) mps.getSections().get(0);


            /* Set the properties. */
            s.setProperty(PropertyIDMap.PID_AUTHOR, Variant.VT_LPSTR,
                          "Rainer Klute");
            s.setProperty(PropertyIDMap.PID_TITLE, Variant.VT_LPWSTR,
                          "Test");


            /* Create an input stream containing the bytes the property set
             * stream consists of. */
            final InputStream pss = mps.toInputStream();


            /* Write the property set stream to the POIFS. */
            de.createDocument(name, pss);
        }

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