1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.zip;
24  
25  import com.liferay.portal.kernel.io.unsync.UnsyncByteArrayInputStream;
26  import com.liferay.portal.kernel.io.unsync.UnsyncByteArrayOutputStream;
27  import com.liferay.portal.kernel.log.Log;
28  import com.liferay.portal.kernel.log.LogFactoryUtil;
29  import com.liferay.portal.kernel.util.FileUtil;
30  import com.liferay.portal.kernel.util.StringPool;
31  import com.liferay.portal.kernel.uuid.PortalUUIDUtil;
32  import com.liferay.portal.kernel.zip.ZipWriter;
33  import com.liferay.util.SystemProperties;
34  
35  import de.schlichtherle.io.ArchiveException;
36  import de.schlichtherle.io.DefaultArchiveDetector;
37  import de.schlichtherle.io.File;
38  import de.schlichtherle.io.FileInputStream;
39  import de.schlichtherle.io.FileOutputStream;
40  import de.schlichtherle.io.archive.zip.ZipDriver;
41  
42  import java.io.IOException;
43  import java.io.InputStream;
44  import java.io.OutputStream;
45  
46  /**
47   * <a href="ZipWriterImpl.java.html"><b><i>View Source</i></b></a>
48   *
49   * @author Raymond Augé
50   */
51  public class ZipWriterImpl implements ZipWriter {
52  
53      static {
54          File.setDefaultArchiveDetector(
55              new DefaultArchiveDetector(
56              DefaultArchiveDetector.DEFAULT, "lar", new ZipDriver()));
57      }
58  
59      public ZipWriterImpl() {
60          _file = new File(
61              SystemProperties.get(SystemProperties.TMP_DIR) + StringPool.SLASH +
62                  PortalUUIDUtil.generate() + ".zip");
63  
64          _file.mkdir();
65          _file.deleteOnExit();
66      }
67  
68      public ZipWriterImpl(java.io.File file) {
69          _file = new File(file);
70  
71          _file.mkdir();
72      }
73  
74      public void addEntry(String name, byte[] bytes) throws IOException {
75          UnsyncByteArrayInputStream unsyncByteArrayInputStream =
76              new UnsyncByteArrayInputStream(bytes);
77  
78          try {
79              addEntry(name, unsyncByteArrayInputStream);
80          }
81          finally {
82              unsyncByteArrayInputStream.close();
83          }
84      }
85  
86      public void addEntry(String name, InputStream inpuStream)
87          throws IOException {
88  
89          if (name.startsWith(StringPool.SLASH)) {
90              name = name.substring(1);
91          }
92  
93          if (inpuStream == null) {
94              return;
95          }
96  
97          if (_log.isDebugEnabled()) {
98              _log.debug("Adding " + name);
99          }
100 
101         FileUtil.mkdirs(getPath());
102 
103         OutputStream outputStream = new FileOutputStream(
104             new File(getPath() + StringPool.SLASH + name));
105 
106         try {
107             File.cat(inpuStream, outputStream);
108         }
109         finally {
110             outputStream.close();
111         }
112     }
113 
114     public void addEntry(String name, String s) throws IOException {
115         addEntry(name, s.getBytes(StringPool.UTF8));
116     }
117 
118     public void addEntry(String name, StringBuilder sb) throws IOException {
119         addEntry(name, sb.toString());
120     }
121 
122     public byte[] finish() throws IOException {
123         UnsyncByteArrayOutputStream unsyncByteArrayOutputStream =
124             new UnsyncByteArrayOutputStream();
125 
126         InputStream inputStream = new FileInputStream(_file);
127 
128         try {
129             File.cat(inputStream, unsyncByteArrayOutputStream);
130         }
131         finally {
132             unsyncByteArrayOutputStream.close();
133             inputStream.close();
134         }
135 
136         return unsyncByteArrayOutputStream.toByteArray();
137     }
138 
139     public java.io.File getFile() {
140         try {
141             File.umount(_file);
142         }
143         catch (ArchiveException ae) {
144             _log.error(ae, ae);
145         }
146 
147         return _file;
148     }
149 
150     public String getPath() {
151         return _file.getPath();
152     }
153 
154     private static final Log _log = LogFactoryUtil.getLog(ZipWriter.class);
155 
156     private final File _file;
157 
158 }