Examples of org.apache.poi.hpsf.DocumentSummaryInformation

org.apache.poi.hpsf.DocumentSummaryInformation

Convenience class representing a DocumentSummary Information stream in a Microsoft Office document.
@author Rainer Klute <klute@rainer-klute.de> @author Drew Varner (Drew.Varner closeTo sc.edu) @author robert_flaherty@hyperion.com @see SummaryInformation

      writePropertySet(SummaryInformation.DEFAULT_STREAM_NAME, si, outFS);
      if(writtenEntries != null) {
        writtenEntries.add(SummaryInformation.DEFAULT_STREAM_NAME);
      }
    }
        DocumentSummaryInformation dsi = getDocumentSummaryInformation();
        if(dsi != null) {
      writePropertySet(DocumentSummaryInformation.DEFAULT_STREAM_NAME, dsi, outFS);
      if(writtenEntries != null) {
        writtenEntries.add(DocumentSummaryInformation.DEFAULT_STREAM_NAME);
      }

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                new PropertySet(new DocumentInputStream(entry));
            if (properties.isSummaryInformation()) {
                parse(new SummaryInformation(properties), metadata);
            }
            if (properties.isDocumentSummaryInformation()) {
                parse(new DocumentSummaryInformation(properties), metadata);
            }
        } catch (FileNotFoundException e) {
            // entry does not exist, just skip it
        } catch (NoPropertySetStreamException e) {
            throw new TikaException("Not a HPSF document", e);

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      writePropertySet(SummaryInformation.DEFAULT_STREAM_NAME, si, outFS);
      if(writtenEntries != null) {
        writtenEntries.add(SummaryInformation.DEFAULT_STREAM_NAME);
      }
    }
        DocumentSummaryInformation dsi = getDocumentSummaryInformation();
        if(dsi != null) {
      writePropertySet(DocumentSummaryInformation.DEFAULT_STREAM_NAME, dsi, outFS);
      if(writtenEntries != null) {
        writtenEntries.add(DocumentSummaryInformation.DEFAULT_STREAM_NAME);
      }

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         doc = (DocumentNode)si;
         assertContentsMatches(null, doc);
         
         inp = new NDocumentInputStream(doc);
         ps = PropertySetFactory.create(inp);
         DocumentSummaryInformation dinf = (DocumentSummaryInformation)ps;
         assertEquals(131333, dinf.getOSVersion());
         
         fs.close();
      }
   }

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    * Then, alter+add some streams, write and read
    */
   @Test
   public void readWriteRead() throws Exception {
       SummaryInformation sinf = null;
       DocumentSummaryInformation dinf = null;
       DirectoryEntry root = null, testDir = null;
       
       for(NPOIFSFileSystem fs : get512and4kFileAndInput()) {
           // Check we can find the entries we expect
           root = fs.getRoot();
           assertEquals(5, root.getEntryCount());
           assertThat(root.getEntryNames(), hasItem("Thumbnail"));
           assertThat(root.getEntryNames(), hasItem("Image"));
           assertThat(root.getEntryNames(), hasItem("Tags"));
           assertThat(root.getEntryNames(), hasItem("\u0005DocumentSummaryInformation"));
           assertThat(root.getEntryNames(), hasItem("\u0005SummaryInformation"));


           
           // Write out, re-load
           fs = writeOutAndReadBack(fs);
           
           // Check they're still there
           root = fs.getRoot();
           assertEquals(5, root.getEntryCount());
           assertThat(root.getEntryNames(), hasItem("Thumbnail"));
           assertThat(root.getEntryNames(), hasItem("Image"));
           assertThat(root.getEntryNames(), hasItem("Tags"));
           assertThat(root.getEntryNames(), hasItem("\u0005DocumentSummaryInformation"));
           assertThat(root.getEntryNames(), hasItem("\u0005SummaryInformation"));
           
           
           // Check the contents of them - parse the summary block and check
           sinf = (SummaryInformation)PropertySetFactory.create(new NDocumentInputStream(
                   (DocumentEntry)root.getEntry(SummaryInformation.DEFAULT_STREAM_NAME)));
           assertEquals(131333, sinf.getOSVersion());
           
           dinf = (DocumentSummaryInformation)PropertySetFactory.create(new NDocumentInputStream(
                   (DocumentEntry)root.getEntry(DocumentSummaryInformation.DEFAULT_STREAM_NAME)));
           assertEquals(131333, dinf.getOSVersion());
           
           
           // Add a test mini stream
           testDir = root.createDirectory("Testing 123");
           testDir.createDirectory("Testing 456");
           testDir.createDirectory("Testing 789");
           byte[] mini = new byte[] { 42, 0, 1, 2, 3, 4, 42 };
           testDir.createDocument("Mini", new ByteArrayInputStream(mini));
           
           
           // Write out, re-load
           fs = writeOutAndReadBack(fs);
           
           root = fs.getRoot();
           testDir = (DirectoryEntry)root.getEntry("Testing 123");
           assertEquals(6, root.getEntryCount());
           assertThat(root.getEntryNames(), hasItem("Thumbnail"));
           assertThat(root.getEntryNames(), hasItem("Image"));
           assertThat(root.getEntryNames(), hasItem("Tags"));
           assertThat(root.getEntryNames(), hasItem("Testing 123"));
           assertThat(root.getEntryNames(), hasItem("\u0005DocumentSummaryInformation"));
           assertThat(root.getEntryNames(), hasItem("\u0005SummaryInformation"));


           
           // Check old and new are there
           sinf = (SummaryInformation)PropertySetFactory.create(new NDocumentInputStream(
                   (DocumentEntry)root.getEntry(SummaryInformation.DEFAULT_STREAM_NAME)));
           assertEquals(131333, sinf.getOSVersion());
           
           dinf = (DocumentSummaryInformation)PropertySetFactory.create(new NDocumentInputStream(
                   (DocumentEntry)root.getEntry(DocumentSummaryInformation.DEFAULT_STREAM_NAME)));
           assertEquals(131333, dinf.getOSVersion());


           assertContentsMatches(mini, (DocumentEntry)testDir.getEntry("Mini"));
           
           
           // Write out and read once more, just to be sure
           fs = writeOutAndReadBack(fs);
           
           root = fs.getRoot();
           testDir = (DirectoryEntry)root.getEntry("Testing 123");
           assertEquals(6, root.getEntryCount());
           assertThat(root.getEntryNames(), hasItem("Thumbnail"));
           assertThat(root.getEntryNames(), hasItem("Image"));
           assertThat(root.getEntryNames(), hasItem("Tags"));
           assertThat(root.getEntryNames(), hasItem("Testing 123"));
           assertThat(root.getEntryNames(), hasItem("\u0005DocumentSummaryInformation"));
           assertThat(root.getEntryNames(), hasItem("\u0005SummaryInformation"));


           sinf = (SummaryInformation)PropertySetFactory.create(new NDocumentInputStream(
                   (DocumentEntry)root.getEntry(SummaryInformation.DEFAULT_STREAM_NAME)));
           assertEquals(131333, sinf.getOSVersion());
           
           dinf = (DocumentSummaryInformation)PropertySetFactory.create(new NDocumentInputStream(
                   (DocumentEntry)root.getEntry(DocumentSummaryInformation.DEFAULT_STREAM_NAME)));
           assertEquals(131333, dinf.getOSVersion());


           assertContentsMatches(mini, (DocumentEntry)testDir.getEntry("Mini"));
           
           
           // Add a full stream, delete a full stream
           byte[] main4096 = new byte[4096];
           main4096[0] = -10;
           main4096[4095] = -11;
           testDir.createDocument("Normal4096", new ByteArrayInputStream(main4096));
           
           root.getEntry("Tags").delete();
           
           
           // Write out, re-load
           fs = writeOutAndReadBack(fs);


           // Check it's all there
           root = fs.getRoot();
           testDir = (DirectoryEntry)root.getEntry("Testing 123");
           assertEquals(5, root.getEntryCount());
           assertThat(root.getEntryNames(), hasItem("Thumbnail"));
           assertThat(root.getEntryNames(), hasItem("Image"));
           assertThat(root.getEntryNames(), hasItem("Testing 123"));
           assertThat(root.getEntryNames(), hasItem("\u0005DocumentSummaryInformation"));
           assertThat(root.getEntryNames(), hasItem("\u0005SummaryInformation"));


           
           // Check old and new are there
           sinf = (SummaryInformation)PropertySetFactory.create(new NDocumentInputStream(
                   (DocumentEntry)root.getEntry(SummaryInformation.DEFAULT_STREAM_NAME)));
           assertEquals(131333, sinf.getOSVersion());
           
           dinf = (DocumentSummaryInformation)PropertySetFactory.create(new NDocumentInputStream(
                   (DocumentEntry)root.getEntry(DocumentSummaryInformation.DEFAULT_STREAM_NAME)));
           assertEquals(131333, dinf.getOSVersion());


           assertContentsMatches(mini, (DocumentEntry)testDir.getEntry("Mini"));
           assertContentsMatches(main4096, (DocumentEntry)testDir.getEntry("Normal4096"));

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            writePropertySet(SummaryInformation.DEFAULT_STREAM_NAME, si, outFS);
            if(writtenEntries != null) {
                writtenEntries.add(SummaryInformation.DEFAULT_STREAM_NAME);
            }
        }
        DocumentSummaryInformation dsi = getDocumentSummaryInformation();
        if (dsi != null) {
            writePropertySet(DocumentSummaryInformation.DEFAULT_STREAM_NAME, dsi, outFS);
            if(writtenEntries != null) {
                writtenEntries.add(DocumentSummaryInformation.DEFAULT_STREAM_NAME);
            }

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        /* Handling the document summary information is analogous to handling
         * the summary information. An additional feature, however, are the
         * custom properties. */


        /* Read the document summary information. */
        DocumentSummaryInformation dsi;
        try
        {
            dsi = (DocumentSummaryInformation)PropertySetFactory.create(
                    dir, DocumentSummaryInformation.DEFAULT_STREAM_NAME);
        }
        catch (FileNotFoundException ex)
        {
            /* There is no document summary information yet. We have to create a
             * new one. */
            dsi = PropertySetFactory.newDocumentSummaryInformation();
        }


        /* Change the category to "POI example". Any former category value will
         * be lost. If there has been no category yet, it will be created. */
        dsi.setCategory("POI example");
        System.out.println("Category changed to " + dsi.getCategory() + ".");


        /* Read the custom properties. If there are no custom properties yet,
         * the application has to create a new CustomProperties object. It will
         * serve as a container for custom properties. */
        CustomProperties customProperties = dsi.getCustomProperties();
        if (customProperties == null)
            customProperties = new CustomProperties();


        /* Insert some custom properties into the container. */
        customProperties.put("Key 1", "Value 1");
        customProperties.put("Schl\u00fcssel 2", "Wert 2");
        customProperties.put("Sample Number", new Integer(12345));
        customProperties.put("Sample Boolean", Boolean.TRUE);
        customProperties.put("Sample Date", new Date());


        /* Read a custom property. */
        Object value = customProperties.get("Sample Number");
        System.out.println("Custom Sample Number is now " + value);


        /* Write the custom properties back to the document summary
         * information. */
        dsi.setCustomProperties(customProperties);


        /* Write the summary information and the document summary information
         * to the POI filesystem. */
        si.write(dir, SummaryInformation.DEFAULT_STREAM_NAME);
        dsi.write(dir, DocumentSummaryInformation.DEFAULT_STREAM_NAME);


        /* Write the POI filesystem back to the original file. Please note that
         * in production code you should take care when write directly to the 
         * origin, to make sure you don't loose things on error */
        poifs.writeFilesystem();

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       dis = fs.createDocumentInputStream(SummaryInformation.DEFAULT_STREAM_NAME);
       SummaryInformation si = (SummaryInformation)PropertySetFactory.create(dis);
       
       dis = fs.createDocumentInputStream(DocumentSummaryInformation.DEFAULT_STREAM_NAME);
       DocumentSummaryInformation dsi = (DocumentSummaryInformation)PropertySetFactory.create(dis);
      
       // Test
       assertEquals("Microsoft Word 10.0", si.getApplicationName());
       assertEquals("", si.getTitle());
       assertEquals("", si.getAuthor());
       assertEquals("Cour de Justice", dsi.getCompany());
       
       
       // Write out and read back, should still be valid
       POIDocument doc = new HPSFPropertiesOnlyDocument(fs);
       ByteArrayOutputStream baos = new ByteArrayOutputStream();
       doc.write(baos);
       ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
       doc = new HPSFPropertiesOnlyDocument(new POIFSFileSystem(bais));
       
       // Check properties are still there
       assertEquals("Microsoft Word 10.0", si.getApplicationName());
       assertEquals("", si.getTitle());
       assertEquals("", si.getAuthor());
       assertEquals("Cour de Justice", dsi.getCompany());
   }

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       dis = fs.createDocumentInputStream(SummaryInformation.DEFAULT_STREAM_NAME);
       SummaryInformation si = (SummaryInformation)PropertySetFactory.create(dis);
       
       dis = fs.createDocumentInputStream(DocumentSummaryInformation.DEFAULT_STREAM_NAME);
       DocumentSummaryInformation dsi = (DocumentSummaryInformation)PropertySetFactory.create(dis);
       
       // Test
       assertEquals("MSProject", si.getApplicationName());
       assertEquals("project1", si.getTitle());
       assertEquals("Jon Iles", si.getAuthor());
       
       assertEquals("", dsi.getCompany());
       assertEquals(2, dsi.getSectionCount());
   }

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                new PropertySet(new DocumentInputStream(entry));
            if (properties.isSummaryInformation()) {
                parse(new SummaryInformation(properties));
            }
            if (properties.isDocumentSummaryInformation()) {
                parse(new DocumentSummaryInformation(properties));
            }
        } catch (FileNotFoundException e) {
            // entry does not exist, just skip it
        } catch (NoPropertySetStreamException e) {
            throw new TikaException("Not a HPSF document", e);

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