Java ClassPath findClasspathsByLoader(ClassLoader loader)

Description

find Classpaths By Loader

License

Apache License

Declaration

private static Set<URL> findClasspathsByLoader(ClassLoader loader) 

Method Source Code

//package com.java2s;
/*/* ww  w .  j  av a  2  s .  com*/
 * Copyright 2002-2014 the original author or 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.
 */

import java.io.IOException;
import java.net.URL;
import java.net.URLClassLoader;

import java.util.Arrays;
import java.util.Enumeration;

import java.util.HashSet;

import java.util.Set;

public class Main {
    private static Set<URL> findClasspathsByLoader(ClassLoader loader) {
        Set<URL> urls = new HashSet<URL>();
        if (loader instanceof URLClassLoader) {
            URLClassLoader urlLoader = (URLClassLoader) loader;
            urls.addAll(Arrays.asList(urlLoader.getURLs()));
        } else {
            Enumeration<URL> urlEnum;
            try {
                urlEnum = loader.getResources("");
                while (urlEnum.hasMoreElements()) {
                    URL url = urlEnum.nextElement();
                    if (url.getProtocol().startsWith("bundleresource")) {
                        continue;
                    }
                    urls.add(url);
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return urls;
    }
}

Related

1. existsInClasspath(Class clazz, String fileName)
2. existsInClasspath(final String fileName)
3. fillClassPath(ClassLoader cl, StringBuffer classpath)
4. findClassPaths()
5. findClassPaths()
6. findClassPathsToEn()
7. findDirectoryFromClasspath(Class cls, String file)
8. findResourceOnClasspath(String resourceName)
9. getAvailableClassPathInfo(final ClassLoader classLoader)