View Javadoc

1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    * 
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.vfs.provider;
18  
19  import org.apache.commons.vfs.FileContent;
20  import org.apache.commons.vfs.FileSystemException;
21  
22  import java.io.IOException;
23  import java.io.InputStream;
24  import java.io.OutputStream;
25  import java.net.URL;
26  import java.net.URLConnection;
27  
28  /***
29   * A default URL connection that will work for most file systems.
30   *
31   * @author <a href="mailto:brian@mmmanager.org">Brian Olsen</a>
32   * @version $Revision: 480428 $ $Date: 2006-11-29 07:15:24 +0100 (Mi, 29 Nov 2006) $
33   */
34  public final class DefaultURLConnection
35      extends URLConnection
36  {
37      private final FileContent content;
38  
39      public DefaultURLConnection(final URL url,
40                                  final FileContent content)
41      {
42          super(url);
43          this.content = content;
44      }
45  
46      public void connect()
47      {
48          connected = true;
49      }
50  
51      public InputStream getInputStream()
52          throws IOException
53      {
54          return content.getInputStream();
55      }
56  
57      public OutputStream getOutputStream()
58          throws IOException
59      {
60          return content.getOutputStream();
61      }
62  
63      
64      public long getLastModified()
65  	{
66          try
67          {
68              return content.getLastModifiedTime();
69          }
70          catch (FileSystemException fse)
71          {
72          }
73  
74          return -1;
75  	}
76  
77  	public int getContentLength()
78      {
79          try
80          {
81              return (int) content.getSize();
82          }
83          catch (FileSystemException fse)
84          {
85          }
86  
87          return -1;
88      }
89  
90      public String getContentType()
91      {
92          try
93          {
94              return content.getContentInfo().getContentType();
95          }
96          catch (FileSystemException e)
97          {
98              throw new RuntimeException(e.getMessage());
99          }
100     }
101 
102     public String getContentEncoding()
103     {
104         try
105         {
106             return content.getContentInfo().getContentEncoding();
107         }
108         catch (FileSystemException e)
109         {
110             throw new RuntimeException(e.getMessage());
111         }
112     }
113 
114     /*
115     public String getHeaderField(String name)
116     {
117         try
118         {
119             if (content.getFile().getFileSystem().hasCapability(Capability.ATTRIBUTES))
120             {
121                 String value = (String) content.getAttribute(name);
122                 if (value != null)
123                 {
124                     return value;
125                 }
126             }
127 
128             return null;
129         }
130         catch (FileSystemException e)
131         {
132             throw new RuntimeException(e);
133         }
134     }
135     */
136 }