1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
/*
* Copyright (C) 2017 The Guava Authors
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.common.util.concurrent;
import static com.google.common.base.StandardSystemProperty.JAVA_CLASS_PATH;
import static com.google.common.base.StandardSystemProperty.PATH_SEPARATOR;
import com.google.common.base.Splitter;
import com.google.common.collect.ImmutableList;
import java.io.File;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLClassLoader;
// TODO(b/65488446): Make this a public API.
/** Utility method to parse the system class path. */
final class ClassPathUtil {
private ClassPathUtil() {}
/**
* Returns the URLs in the class path specified by the {@code java.class.path} {@linkplain
* System#getProperty system property}.
*/
// TODO(b/65488446): Make this a public API.
static URL[] parseJavaClassPath() {
ImmutableList.Builder<URL> urls = ImmutableList.builder();
for (String entry : Splitter.on(PATH_SEPARATOR.value()).split(JAVA_CLASS_PATH.value())) {
try {
try {
urls.add(new File(entry).toURI().toURL());
} catch (SecurityException e) { // File.toURI checks to see if the file is a directory
urls.add(new URL("file", null, new File(entry).getAbsolutePath()));
}
} catch (MalformedURLException e) {
AssertionError error = new AssertionError("malformed class path entry: " + entry);
error.initCause(e);
throw error;
}
}
return urls.build().toArray(new URL[0]);
}
/** Returns the URLs in the class path. */
static URL[] getClassPathUrls() {
return ClassPathUtil.class.getClassLoader() instanceof URLClassLoader
? ((URLClassLoader) ClassPathUtil.class.getClassLoader()).getURLs()
: parseJavaClassPath();
}
}
|
