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.kernel.io;
24  
25  import com.liferay.portal.kernel.util.FileUtil;
26  import com.liferay.portal.kernel.util.StringPool;
27  import com.liferay.portal.kernel.uuid.PortalUUIDUtil;
28  
29  import java.io.BufferedOutputStream;
30  import java.io.File;
31  import java.io.FileInputStream;
32  import java.io.FileOutputStream;
33  import java.io.IOException;
34  import java.io.OutputStream;
35  
36  /**
37   * <a href="FileCacheOutputStream.java.html"><b><i>View Source</i></b></a>
38   *
39   * @author Raymond Augé
40   *
41   */
42  public class FileCacheOutputStream extends OutputStream {
43  
44      public FileCacheOutputStream() throws IOException {
45          _tempFile = File.createTempFile(
46              PortalUUIDUtil.generate() + StringPool.DASH, _EXTENSION);
47  
48          _bos = new BufferedOutputStream(
49              new FileOutputStream(_tempFile), _BUFFER);
50      }
51  
52      public void close() throws IOException {
53          _bos.close();
54      }
55  
56      public void flush() throws IOException {
57          _bos.flush();
58      }
59  
60      public byte[] getBytes() throws IOException {
61          flush();
62          close();
63  
64          return FileUtil.getBytes(_tempFile);
65      }
66  
67      public File getFile() throws IOException {
68          flush();
69          close();
70  
71          return _tempFile;
72      }
73  
74      public FileInputStream getFileInputStream() throws IOException {
75          flush();
76          close();
77  
78          return new FileInputStream(_tempFile);
79      }
80  
81      public long getSize() {
82          return _tempFile.length();
83      }
84  
85      public void write(byte[] b) throws IOException {
86          _bos.write(b);
87      }
88  
89      public void write(byte[] b, int off, int len) throws IOException {
90          _bos.write(b, off, len);
91      }
92  
93      public void write(int b) throws IOException {
94          _bos.write(b);
95      }
96  
97      private static final int _BUFFER = 2048;
98  
99      private static final String _EXTENSION = ".fcos";
100 
101     protected BufferedOutputStream _bos;
102     protected File _tempFile;
103 
104 }