framework/base/src/org/ofbiz/base/container/ClassLoaderContainer.java

/*******************************************************************************
 * 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.ofbiz.base.container;

import org.ofbiz.base.util.CachedClassLoader;
import org.ofbiz.base.util.Debug;
import org.ofbiz.base.start.Classpath;

import java.net.URL;

/**
 * ClassLoader Container; Created a CachedClassLoader for use by all following containers
 *
 */
public class ClassLoaderContainer implements Container {

    public static final String module = ClassLoaderContainer.class.getName();
    protected static CachedClassLoader cl = null;

    /**
     * @see org.ofbiz.base.container.Container#init(java.lang.String[], java.lang.String)
     */
    public void init(String[] args, String configFile) throws ContainerException {
        ClassLoader parent = Thread.currentThread().getContextClassLoader();
        if (parent == null) {
            parent = Classpath.class.getClassLoader();
        }
        if (parent == null) {
            parent = ClassLoader.getSystemClassLoader();
        }

        cl = new CachedClassLoader(new URL[0], parent);
        Thread.currentThread().setContextClassLoader(cl);
        Debug.logInfo("CachedClassLoader created", module);
    }

    /**
     * @see org.ofbiz.base.container.Container#start()
     */
    public boolean start() throws ContainerException {
        return true;
    }

    /**
     * @see org.ofbiz.base.container.Container#stop()
     */
    public void stop() throws ContainerException {
    }

    public static ClassLoader getClassLoader() {
        if (cl != null) {
            return cl;
        } else {
            return ClassLoader.getSystemClassLoader();
        }
    }
}