com.android.ide.common.util.UrlClassLoaderUtil Maven / Gradle / Ivy
/*
* Copyright (C) 2015 The Android Open Source Project
*
* 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.android.ide.common.util;
import java.io.Closeable;
import java.net.URLClassLoader;
public final class UrlClassLoaderUtil {
/**
* Calls classLoader.close() on Java 7 and above. A no-op on Java 6. Fails silently.
*
* Work around on java 7 for http://bugs.java.com/bugdatabase/view_bug.do?bug_id=5041014 :
* URLClassLoader, on Windows, locks the .jar file forever.
*/
public static void attemptToClose(URLClassLoader classLoader) {
if (classLoader instanceof Closeable) {
try {
((Closeable) classLoader).close();
} catch (Throwable e) {
// Ignore - unable to close.
}
}
}
}