/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.brooklyn.util.core.javalang;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.Arrays;
import org.apache.brooklyn.util.core.ResourceUtils;
import org.apache.brooklyn.util.exceptions.Exceptions;
/** like URLClassLoader (and delegates to it) but:
* * has a nice toString
* * supports var args constructor
* * supports file://~/xxx semantics (remaps it to user.home);
* ideally we'd also support mvn, classpath, osgi, etc
*/
public class UrlClassLoader extends URLClassLoader {
private URL[] urls;
public UrlClassLoader(URL ...urls) {
super(tidy(urls));
this.urls = urls;
}
public UrlClassLoader(String ...urls) {
this(asUrls(urls));
}
private static URL[] asUrls(String[] urls) {
URL[] urlo = new URL[urls.length];
try {
for (int i=0; i<urls.length; i++)
urlo[i] = new URL(urls[i]);
} catch (MalformedURLException e) {
throw Exceptions.propagate(e);
}
return urlo;
}
private static URL[] tidy(URL[] urls) {
for (int i=0; i<urls.length; i++)
urls[i] = ResourceUtils.tidy(urls[i]);
return urls;
}
@Override
public String toString() {
return "UrlClassLoader"+Arrays.asList(urls);
}
}