/*
 * 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.ode.axis2.osgi;

import java.io.File;
import java.io.FileWriter;
import java.io.InputStream;
import java.net.URL;
import java.util.Enumeration;

import org.apache.commons.io.IOUtils;
import org.apache.ode.axis2.ODEAxis2Server;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;

public class OdeActivator implements BundleActivator {

    private File rootDir;
    private String generatedName;
    
    private ODEAxis2Server server;
    
    public void start(BundleContext context) throws Exception {
        System.out.println("start ode process");
//        generatedName = context.getBundle().getSymbolicName();
//        rootDir = context.getDataFile("bpelData");
//        rootDir.mkdirs();
//        Enumeration<?> en = context.getBundle().findEntries("/", "*", false);
//        while (en.hasMoreElements()) {
//            copyOne(rootDir, (URL) en.nextElement());
//        }
//        ServiceReference[] refs = context.getAllServiceReferences(
//                "javax.jbi.component.Component", "(&(NAME=OdeBpelEngine))");
//        if (refs == null || refs.length != 1) {
//            throw new RuntimeException("no appropriate service :(");
//        }
//        ServiceUnitManager suM = ((Component) context.getService(refs[0]))
//                .getServiceUnitManager();
//        ClassLoader l = Thread.currentThread().getContextClassLoader();
//        try {
//            ClassLoader suL = suM.getClass().getClassLoader();
//            Thread.currentThread().setContextClassLoader(new BundleClassLoader(suL, context.getBundle()));
//            suM.deploy(generatedName, rootDir.getAbsolutePath());
//            suM.init(generatedName, rootDir.getAbsolutePath());
//            suM.start(generatedName);
//        } finally {
//            Thread.currentThread().setContextClassLoader(l);
//        }

    }

//    private void copyOne(File dest, URL url) throws Exception {
//        File d = new File(dest, url.getPath());
//        InputStream str = url.openStream();
//        if (str != null) {
//            FileWriter wr = new FileWriter(d);
//            try {
//                IOUtils.copy(str, wr);
//            } finally {
//                wr.flush();
//                wr.close();
//            }
//        }
//    }

    public void stop(BundleContext context) throws Exception {
        System.out.println("stop ode process");
        
//        ServiceReference[] refs = context.getAllServiceReferences(
//                "javax.jbi.component.Component", "(&(NAME=OdeBpelEngine))");
//        if (refs == null || refs.length != 1) {
//            throw new RuntimeException("no appropriate service :(");
//        }
//        ServiceUnitManager suM = ((Component) context.getService(refs[0]))
//                .getServiceUnitManager();
//        suM.shutDown(generatedName);
//        suM.undeploy(generatedName, rootDir.getAbsolutePath());

    }

//    public class BundleClassLoader extends ClassLoader {
//        private final Bundle delegate;
//
//        public BundleClassLoader(ClassLoader parent, Bundle delegate) {
//            super(parent);
//            this.delegate = delegate;
//        }
//
//        @Override
//        public Class<?> loadClass(String name) throws ClassNotFoundException {
//            try {
//                return getParent().loadClass(name);
//            } catch (Exception e) {
//                return delegate.loadClass(name);
//            }
//        }
//    }

}