1 package org.apache.maven.plugins.assembly.io;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.io.File;
23 import java.io.IOException;
24 import java.net.URL;
25 import java.nio.file.Files;
26
27 import org.apache.commons.io.IOUtils;
28
29 /**
30 * The URL Location, storing the URL content to a temporary local file.
31 *
32 */
33 class URLLocation
34 extends FileLocation
35 {
36
37 private final URL url;
38
39 private final String tempFilePrefix;
40
41 private final String tempFileSuffix;
42
43 private final boolean tempFileDeleteOnExit;
44
45 /**
46 * @param url the URL
47 * @param specification the spec
48 * @param tempFilePrefix the prefix
49 * @param tempFileSuffix the suffix
50 * @param tempFileDeleteOnExit delete on exit
51 */
52 URLLocation( URL url, String specification, String tempFilePrefix, String tempFileSuffix,
53 boolean tempFileDeleteOnExit )
54 {
55 super( specification );
56
57 this.url = url;
58 this.tempFilePrefix = tempFilePrefix;
59 this.tempFileSuffix = tempFileSuffix;
60 this.tempFileDeleteOnExit = tempFileDeleteOnExit;
61 }
62
63 @Override
64 protected void initFile()
65 throws IOException
66 {
67 if ( unsafeGetFile() == null )
68 {
69 File tempFile = Files.createTempFile( tempFilePrefix, tempFileSuffix ).toFile();
70
71 if ( tempFileDeleteOnExit )
72 {
73 tempFile.deleteOnExit();
74 }
75
76 IOUtils.copy( url, tempFile );
77
78 setFile( tempFile );
79 }
80 }
81
82 }