org.testatoo.selenium.server.util.IsolatedClassLoader Maven / Gradle / Ivy

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/**
 * Copyright (C) 2008 Ovea 
 *
 * 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 org.testatoo.selenium.server.util;

import java.net.URL;
import java.net.URLClassLoader;

public final class IsolatedClassLoader extends URLClassLoader {

    public IsolatedClassLoader(URL[] classpath) {
        super(classpath, null);
    }

    @Override
    protected synchronized Class loadClass(String name, boolean resolve) throws ClassNotFoundException {
        Class c = findLoadedClass(name);
        if (c == null) {
            try {
                c = findClass(name);
            } catch (ClassNotFoundException e) {
                //will check on the EXT classloader (JDK extensions) + on the bootstrap classloader 
                return ClassLoader.getSystemClassLoader().getParent().loadClass(name);
            }
        }
        if (resolve) {
            resolveClass(c);
        }
        return c;
    }

    @Override
    public URL getResource(String name) {
        return super.getResource(name);
    }
}