scripting/java/org/openoffice/idesupport/OfficeDocument.java

   1 /*
   2  * This file is part of the LibreOffice project.
   3  *
   4  * This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   7  *
   8  * This file incorporates work covered by the following license notice:
   9  *
  10  *   Licensed to the Apache Software Foundation (ASF) under one or more
  11  *   contributor license agreements. See the NOTICE file distributed
  12  *   with this work for additional information regarding copyright
  13  *   ownership. The ASF licenses this file to you under the Apache
  14  *   License, Version 2.0 (the "License"); you may not use this file
  15  *   except in compliance with the License. You may obtain a copy of
  16  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  17  */
  18
  19 package org.openoffice.idesupport;
  20
  21 import java.io.File;
  22 import java.io.IOException;
  23 import java.util.ArrayList;
  24 import java.util.Enumeration;
  25 import java.util.Iterator;
  26 import java.util.zip.ZipEntry;
  27 import java.util.zip.ZipException;
  28 import java.util.zip.ZipFile;
  29
  30 import org.openoffice.idesupport.zip.ParcelZipper;
  31
  32 public class OfficeDocument
  33 {
  34     public static final String PARCEL_PREFIX_DIR =
  35         ParcelZipper.PARCEL_PREFIX_DIR;
  36
  37     public static final String[] OFFICE_EXTENSIONS =
  38         {".sxc" , ".sxw", ".sxi", ".sxd"};
  39     public static final String OFFICE_PRODUCT_NAME = "OpenOffice.org";
  40
  41     private File file = null;
  42
  43     public OfficeDocument(File file) throws IllegalArgumentException
  44     {
  45         if (!file.exists() || file.isDirectory() || !isOfficeFile(file)) {
  46             throw new IllegalArgumentException("This is not a valid " +
  47                 OFFICE_PRODUCT_NAME + " document.");
  48         }
  49         this.file = file;
  50     }
  51
  52     private boolean isOfficeFile(File file) {
  53         for (int i = 0; i < OFFICE_EXTENSIONS.length; i++)
  54             if (file.getName().endsWith(OFFICE_EXTENSIONS[i]))
  55                 return true;
  56         return false;
  57     }
  58
  59     public Iterator<String> getParcels() {
  60
  61         ArrayList<String> parcels = new ArrayList<String>();
  62         ZipFile zp = null;
  63
  64         try
  65         {
  66             zp = new ZipFile(this.file);
  67
  68             for (Enumeration enumer = zp.entries(); enumer.hasMoreElements(); )
  69             {
  70                 ZipEntry ze = (ZipEntry)enumer.nextElement();
  71                 if (ze.getName().endsWith(ParcelZipper.PARCEL_DESCRIPTOR_XML))
  72                 {
  73                     String tmp = ze.getName();
  74                     int end = tmp.lastIndexOf("/");
  75                     tmp = tmp.substring(0, end);
  76
  77                     String parcelName = ze.getName().substring(0, end);
  78                     parcels.add(parcelName);
  79                 }
  80             }
  81         }
  82         catch(ZipException ze) {
  83             ze.printStackTrace();
  84         }
  85         catch(IOException ioe) {
  86             ioe.printStackTrace();
  87         }
  88         finally {
  89             if (zp != null) {
  90                 try {
  91                     zp.close();
  92                 }
  93                 catch (IOException asdf) {
  94                 }
  95             }
  96         }
  97
  98         return parcels.iterator();
  99     }
 100
 101     public boolean removeParcel(String parcelName) {
 102
 103         try {
 104             ParcelZipper.getParcelZipper().removeParcel(file, parcelName);
 105         }
 106         catch (IOException ioe) {
 107             ioe.printStackTrace();
 108             return false;
 109         }
 110         return true;
 111     }
 112 }