Examples of org.apache.poi.poifs.filesystem.DirectoryEntry

org.apache.poi.poifs.filesystem.DirectoryEntry
This interface defines methods specific to Directory objects managed by a Filesystem instance. @author Marc Johnson (mjohnson at apache dot org)


   private void copyNodeRecursively(Entry entry, DirectoryEntry target) 
   throws IOException {
       //System.err.println("copyNodeRecursively called with "+entry.getName()+
       //                   ","+target.getName());
       DirectoryEntry newTarget = null; 
       if (entry.isDirectoryEntry()) {
           newTarget = target.createDirectory(entry.getName());
           Iterator entries = ((DirectoryEntry)entry).getEntries();


           while (entries.hasNext()) {

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                           final PropertySet si)
        throws WritingNotSupportedException, IOException
            
        {
            /* 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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                         final POIFSDocumentPath path,
                         final String name,
                         final PropertySet ps)
            throws WritingNotSupportedException, IOException
        {
            final DirectoryEntry de = getPath(poiFs, path);
            final MutablePropertySet mps = new MutablePropertySet(ps);
            de.createDocument(name, mps.toInputStream());
        }

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        public void copy(final POIFSFileSystem poiFs,
                         final POIFSDocumentPath path,
                         final String name,
                         final DocumentInputStream stream) throws IOException
        {
            final DirectoryEntry de = getPath(poiFs, path);
            final ByteArrayOutputStream out = new ByteArrayOutputStream();
            int c;
            while ((c = stream.read()) != -1)
                out.write(c);
            stream.close();
            out.close();
            final InputStream in =
                new ByteArrayInputStream(out.toByteArray());
            de.createDocument(name, in);
        }

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        {
            try
            {
                /* Check whether this directory has already been created. */
                final String s = path.toString();
                DirectoryEntry de = (DirectoryEntry) paths.get(s);
                if (de != null)
                    /* Yes: return the corresponding DirectoryEntry. */
                    return de;


                /* No: We have to create the directory - or return the root's
                 * DirectoryEntry. */
                int l = path.length();
                if (l == 0)
                    /* Get the root directory. It does not have to be created
                     * since it always exists in a POIFS. */
                    de = poiFs.getRoot();
                else
                {
                    /* Create a subordinate directory. The first step is to
                     * ensure that the parent directory exists: */
                    de = getPath(poiFs, path.getParent());
                    /* Now create the target directory: */
                    de = de.createDirectory(path.getComponent
                                            (path.length() - 1));
                }
                paths.put(s, de);
                return de;
            }

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        final POIFSFileSystem opfs =
            new POIFSFileSystem(new FileInputStream(originalFileName));
        final POIFSFileSystem cpfs =
            new POIFSFileSystem(new FileInputStream(copyFileName));


        final DirectoryEntry oRoot = opfs.getRoot();
        final DirectoryEntry cRoot = cpfs.getRoot();
        final StringBuffer messages = new StringBuffer();
        if (equal(oRoot, cRoot, messages))
            System.out.println("Equal");
        else
            System.out.println("Not equal: " + messages.toString());

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                         final POIFSDocumentPath path,
                         final String name,
                         final PropertySet ps)
            throws WritingNotSupportedException, IOException
        {
            final DirectoryEntry de = getPath(poiFs, path);
            final MutablePropertySet mps = new MutablePropertySet(ps);
            de.createDocument(name, mps.toInputStream());
        }

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        public void copy(final POIFSFileSystem poiFs,
                         final POIFSDocumentPath path,
                         final String name,
                         final DocumentInputStream stream) throws IOException
        {
            final DirectoryEntry de = getPath(poiFs, path);
            final ByteArrayOutputStream out = new ByteArrayOutputStream();
            int c;
            while ((c = stream.read()) != -1)
                out.write(c);
            stream.close();
            out.close();
            final InputStream in =
                new ByteArrayInputStream(out.toByteArray());
            de.createDocument(name, in);
        }

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        {
            try
            {
                /* Check whether this directory has already been created. */
                final String s = path.toString();
                DirectoryEntry de = (DirectoryEntry) paths.get(s);
                if (de != null)
                    /* Yes: return the corresponding DirectoryEntry. */
                    return de;


                /* No: We have to create the directory - or return the root's
                 * DirectoryEntry. */
                int l = path.length();
                if (l == 0)
                    /* Get the root directory. It does not have to be created
                     * since it always exists in a POIFS. */
                    de = poiFs.getRoot();
                else
                {
                    /* Create a subordinate directory. The first step is to
                     * ensure that the parent directory exists: */
                    de = getPath(poiFs, path.getParent());
                    /* Now create the target directory: */
                    de = de.createDirectory(path.getComponent
                                            (path.length() - 1));
                }
                paths.put(s, de);
                return de;
            }

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        protected void copy(DirectoryEntry sourceDir, DirectoryEntry destDir)
                throws IOException {
            for (org.apache.poi.poifs.filesystem.Entry entry : sourceDir) {
                if (entry instanceof DirectoryEntry) {
                    // Need to recurse
                    DirectoryEntry newDir = destDir.createDirectory(entry.getName());
                    copy((DirectoryEntry) entry, newDir);
                } else {
                    // Copy entry
                    InputStream contents = new DocumentInputStream((DocumentEntry) entry);
                    try {

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