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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.vfs2.provider;
18  
19  import java.io.IOException;
20  import java.io.InputStream;
21  import java.io.OutputStream;
22  import java.net.URL;
23  import java.net.URLConnection;
24  
25  import org.apache.commons.vfs2.FileContent;
26  import org.apache.commons.vfs2.FileSystemException;
27  
28  /**
29   * A default URL connection that will work for most file systems.
30   */
31  public final class DefaultURLConnection extends URLConnection {
32  
33      private final FileContent content;
34  
35      public DefaultURLConnection(final URL url, final FileContent content) {
36          super(url);
37          this.content = content;
38      }
39  
40      @Override
41      public void connect() {
42          connected = true;
43      }
44  
45      @Override
46      public InputStream getInputStream() throws IOException {
47          return content.getInputStream();
48      }
49  
50      @Override
51      public OutputStream getOutputStream() throws IOException {
52          return content.getOutputStream();
53      }
54  
55      @Override
56      public long getLastModified() {
57          try {
58              return content.getLastModifiedTime();
59          } catch (final FileSystemException ignored) {
60              return -1; // TODO: report?
61          }
62      }
63  
64      @Override
65      public int getContentLength() {
66          try {
67              return (int) content.getSize();
68          } catch (final FileSystemException fse) {
69              return -1; // TODO: report?
70          }
71      }
72  
73      @Override
74      public String getContentType() {
75          try {
76              return content.getContentInfo().getContentType();
77          } catch (final FileSystemException e) {
78              throw new RuntimeException(e.getMessage());
79          }
80      }
81  
82      @Override
83      public String getContentEncoding() {
84          try {
85              return content.getContentInfo().getContentEncoding();
86          } catch (final FileSystemException e) {
87              throw new RuntimeException(e.getMessage());
88          }
89      }
90  
91      /*
92       * public String getHeaderField(String name) { try { if
93       * (content.getFile().getFileSystem().hasCapability(Capability.ATTRIBUTES)) { String value = (String)
94       * content.getAttribute(name); if (value != null) { return value; } }
95       *
96       * return null; } catch (FileSystemException e) { throw new RuntimeException(e); } }
97       */
98  }