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