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