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

org.apache.poi.poifs.filesystem.Entry
This interface provides access to an object managed by a Filesystem instance. Entry objects are further divided into DocumentEntry and DirectoryEntry instances. @author Marc Johnson (mjohnson at apache dot org)

    {
        boolean equal = true;
        /* Iterate over d1 and compare each entry with its counterpart in d2. */
        for (final Iterator i = d1.getEntries(); equal && i.hasNext();)
        {
            final Entry e1 = (Entry) i.next();
            final String n1 = e1.getName();
            Entry e2 = null;
            try
            {
                e2 = d2.getEntry(n1);
            }
            catch (FileNotFoundException ex)
            {
                msg.append("Document \"" + e1 + "\" exists, document \"" +
                           e2 + "\" does not.\n");
                equal = false;
                break;
            }


            if (e1.isDirectoryEntry() && e2.isDirectoryEntry())
                equal = equal((DirectoryEntry) e1, (DirectoryEntry) e2, msg);
            else if (e1.isDocumentEntry() && e2.isDocumentEntry())
                equal = equal((DocumentEntry) e1, (DocumentEntry) e2, msg);
            else
            {
                msg.append("One of \"" + e1 + "\" and \"" + e2 + "\" is a " +
                           "document while the other one is a directory.\n");
                equal = false;
            }
        }


        /* Iterate over d2 just to make sure that there are no entries in d2
         * that are not in d1. */
        for (final Iterator i = d2.getEntries(); equal && i.hasNext();)
        {
            final Entry e2 = (Entry) i.next();
            final String n2 = e2.getName();
            Entry e1 = null;
            try
            {
                e1 = d1.getEntry(n2);
            }
            catch (FileNotFoundException ex)

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        path += "\\" + dn.getName().replace('\u0006', '_');
        System.out.println(ext+": "+path+" ("+dn.getStorageClsid()+")");
        
        Iterator<Entry> iter = dn.getEntries();
        while (iter.hasNext()) {
            Entry ent = iter.next();
            if (ent instanceof DirectoryNode) {
                listDir((DirectoryNode)ent, ext, path);
            } else {
                listEntry((DocumentNode)ent, ext, path);
            }

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      DirectoryEntry newRoot = target.getRoot();


      Iterator entries = root.getEntries();
       
      while (entries.hasNext()) {
         Entry entry = (Entry)entries.next();
         if (!isInList(entry.getName(), excepts)) {
             copyNodeRecursively(entry,newRoot);
         }
      } 
   }

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      DirectoryEntry newRoot = target.getRoot();


      Iterator entries = root.getEntries();
       
      while (entries.hasNext()) {
         Entry entry = (Entry)entries.next();
         if (!isInList(entry.getName(), excepts)) {
             copyNodeRecursively(entry,newRoot);
         }
      } 
   }

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        path += "\\" + dn.getName().replace('\u0006', '_');
        System.out.println(ext+": "+path+" ("+dn.getStorageClsid()+")");
        
        Iterator<Entry> iter = dn.getEntries();
        while (iter.hasNext()) {
            Entry ent = iter.next();
            if (ent instanceof DirectoryNode) {
                listDir((DirectoryNode)ent, ext, path);
            } else {
                listEntry((DocumentNode)ent, ext, path);
            }

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        {
            return new OutlookTextExtactor(poifsDir);
        }


        for (Iterator<Entry> entries = poifsDir.getEntries(); entries.hasNext();) {
            Entry entry = entries.next();


            if (entry.getName().equals("Package")) {
                OPCPackage pkg = OPCPackage.open(poifsDir.createDocumentInputStream("Package"));
                return createExtractor(pkg);
            }
        }
        throw new IllegalArgumentException("No supported documents found in the OLE2 stream");

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    if(ext instanceof ExcelExtractor) {
      // These are in MBD... under the root
      Iterator<Entry> it = root.getEntries();
      while(it.hasNext()) {
        Entry entry = it.next();
        if(entry.getName().startsWith("MBD")) {
          dirs.add(entry);
        }
      }
    } else if(ext instanceof WordExtractor) {
      // These are in ObjectPool -> _... under the root
      try {
        DirectoryEntry op = (DirectoryEntry)
                root.getEntry("ObjectPool");
        Iterator<Entry> it = op.getEntries();
        while(it.hasNext()) {
          Entry entry = it.next();
          if(entry.getName().startsWith("_")) {
            dirs.add(entry);
          }
        }
      } catch(FileNotFoundException e) {}
    } else if(ext instanceof PowerPointExtractor) {

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  }
  public static POIOLE2TextExtractor createExtractor(DirectoryNode poifsDir, POIFSFileSystem fs) throws IOException {
    // Look for certain entries in the stream, to figure it
    //  out from
    for(Iterator entries = poifsDir.getEntries(); entries.hasNext(); ) {
      Entry entry = (Entry)entries.next();
      
      if(entry.getName().equals("Workbook")) {
        return new ExcelExtractor(poifsDir, fs);
      }
      if(entry.getName().equals("WordDocument")) {
        return new WordExtractor(poifsDir, fs);
      }
      if(entry.getName().equals("PowerPoint Document")) {
        return new PowerPointExtractor(poifsDir, fs);
      }
      if(entry.getName().equals("VisioDocument")) {
        return new VisioTextExtractor(poifsDir, fs);
      }
    }
    throw new IllegalArgumentException("No supported documents found in the OLE2 stream");
  }

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    if(ext instanceof ExcelExtractor) {
      // These are in MBD... under the root
      Iterator it = fs.getRoot().getEntries();
      while(it.hasNext()) {
        Entry entry = (Entry)it.next();
        if(entry.getName().startsWith("MBD")) {
          dirs.add(entry);
        }
      }
    } else if(ext instanceof WordExtractor) {
      // These are in ObjectPool -> _... under the root
      try {
        DirectoryEntry op = (DirectoryEntry)
          fs.getRoot().getEntry("ObjectPool");
        Iterator it = op.getEntries();
        while(it.hasNext()) {
          Entry entry = (Entry)it.next();
          if(entry.getName().startsWith("_")) {
            dirs.add(entry);
          }
        }
      } catch(FileNotFoundException e) {}
    } else if(ext instanceof PowerPointExtractor) {

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    DirectoryEntry newRoot = target.getRoot();


    Iterator entries = root.getEntries();


    while (entries.hasNext()) {
      Entry entry = (Entry)entries.next();
      if (!isInList(entry.getName(), excepts)) {
        copyNodeRecursively(entry,newRoot);
      }
    }
  }

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