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Micro Distribution of the Payara Project for IBM JDK
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 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
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 */

package com.sun.enterprise.v3.server;

import com.sun.appserv.server.LifecycleEvent;
import com.sun.appserv.server.LifecycleEventContext;
import com.sun.appserv.server.LifecycleListener;
import com.sun.appserv.server.ServerLifecycleException;
import com.sun.enterprise.util.LocalStringManagerImpl;
import java.io.File;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.List;
import java.util.Properties;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.glassfish.internal.api.ServerContext;
import org.glassfish.kernel.KernelLoggerInfo;
import org.glassfish.loader.util.ASClassLoaderUtil;

/**
 * @author Sridatta Viswanath
 */

public final class ServerLifecycleModule {
    
    private LifecycleListener slcl;
    private String name;
    private String className;
    private String classpath;
    private int loadOrder;
    private boolean isFatal = false;
    private String statusMsg = "OK";
    
    private ServerContext ctx;
    private LifecycleEventContext leContext;
    private ClassLoader urlClassLoader;
    private Properties props = new Properties();

    private static final Logger _logger = KernelLoggerInfo.getLogger();
    private static boolean _isTraceEnabled = false;

    private final static String LIFECYCLE_PREFIX = "lifecycle_"; 

    final private static LocalStringManagerImpl localStrings = new LocalStringManagerImpl(ServerLifecycleModule.class);

    ServerLifecycleModule(ServerContext ctx, String name, String className) {
        this.name = name;
        this.className = className;
        this.ctx = ctx;
        this.leContext = new LifecycleEventContextImpl(ctx);

        _isTraceEnabled = _logger.isLoggable(Level.FINE);
    }
    
    void setClasspath(String classpath) {
        this.classpath = classpath;
    }
    
    void setProperty(String name, String value) {
        props.put(name, value);
    }
    
    Properties getProperties() {
        return this.props;
    }
    
    void setLoadOrder(int loadOrder) {
        this.loadOrder = loadOrder;
    }
    
    void setIsFatal(boolean isFatal) {
        this.isFatal = isFatal;
    }
        
    String getName() {
        return this.name;
    }
    
    String getClassName() {
        return this.className;
    }

    String getClasspath() {
        return this.classpath;
    }

    int getLoadOrder() {
        return this.loadOrder;
    }
    
    boolean isFatal() {
        return isFatal;
    }
    
    LifecycleListener loadServerLifecycle() throws ServerLifecycleException {
        ClassLoader classLoader = ctx.getLifecycleParentClassLoader();

        try {
            if (this.classpath != null) {
                URL[] urls = getURLs();

                if (urls != null) {
                    StringBuffer sb = new StringBuffer(128);
                    for(int i=0;i urlList = ASClassLoaderUtil.getURLsFromClasspath(
            this.classpath, File.pathSeparator, "");
        return ASClassLoaderUtil.convertURLListToArray(urlList);
    }

    private void postEvent(int eventType, Object data)
                                    throws ServerLifecycleException {
        if (slcl == null) {
            if (isFatal) {
                throw new ServerLifecycleException(localStrings.getLocalString("lifecyclemodule.loadExceptionIsFatal", "Treating failure loading the lifecycle module as fatal", this.name));
            }

            return;
        }

        if (urlClassLoader != null)
            setClassLoader();

        LifecycleEvent slcEvent= new LifecycleEvent(this, eventType, data, this.leContext);
        try {
            slcl.handleEvent(slcEvent);
        } catch (ServerLifecycleException sle) {
            _logger.log(Level.WARNING, KernelLoggerInfo.serverLifecycleException, 
                    new Object[] {this.name, sle});

            if (isFatal)
                throw sle;
        } catch (Exception ee) {
            _logger.log(Level.WARNING, KernelLoggerInfo.lifecycleModuleException,
                    new Object[] {this.name, ee});

            if (isFatal) {
                throw new ServerLifecycleException(localStrings.getLocalString("lifecyclemodule.event_exceptionIsFatal", "Treating the exception from lifecycle module event handler as fatal"), ee);
            }
        }
    }
    
    public void onInitialization() 
                                throws ServerLifecycleException {
        postEvent(LifecycleEvent.INIT_EVENT, props);
    }

    public void onStartup()
                                    throws ServerLifecycleException {
        postEvent(LifecycleEvent.STARTUP_EVENT, props);
    }
    
    public void onReady() throws ServerLifecycleException {
        postEvent(LifecycleEvent.READY_EVENT, props);
    }

    public void onShutdown() throws ServerLifecycleException {
        postEvent(LifecycleEvent.SHUTDOWN_EVENT, props);
    }
    
    public void onTermination() throws ServerLifecycleException {
        postEvent(LifecycleEvent.TERMINATION_EVENT, props);
    }
    
    private void setClassLoader() {
         // set the url class loader as the thread context class loader
        java.security.AccessController.doPrivileged(
            new java.security.PrivilegedAction() {
                public Object run() {
                    Thread.currentThread().setContextClassLoader(urlClassLoader);
                    return null;
                }
            }
        );
    }

    /**
     * return status of this lifecycle module as a string
     */
    public String getStatus() {
        return statusMsg;
    }

    public String toString() {
        return "Server LifecycleListener support";
    }
}