//
   //  ========================================================================
   //  Copyright (c) 1995-2012 Sabre Holdings.
   //  ------------------------------------------------------------------------
   //  All rights reserved. This program and the accompanying materials
   //  are made available under the terms of the Eclipse Public License v1.0
   //  and Apache License v2.0 which accompanies this distribution.
   //
   //      The Eclipse Public License is available at
  //      http://www.eclipse.org/legal/epl-v10.html
  //
  //      The Apache License v2.0 is available at
  //      http://www.opensource.org/licenses/apache2.0.php
  //
  //  You may elect to redistribute this code under either of these licenses.
  //  ========================================================================
  //
  
  package org.eclipse.jetty.ant;
  
  import java.io.File;
  import java.util.ArrayList;
  import java.util.Iterator;
  import java.util.List;
  
  import org.apache.tools.ant.BuildException;
  import org.apache.tools.ant.Task;
  import org.apache.tools.ant.taskdefs.Property;
  import org.eclipse.jetty.ant.types.Connector;
  import org.eclipse.jetty.ant.types.Connectors;
  import org.eclipse.jetty.ant.types.ContextHandlers;
  import org.eclipse.jetty.ant.types.LoginServices;
  import org.eclipse.jetty.ant.types.SystemProperties;
  import org.eclipse.jetty.ant.utils.TaskLog;
  import org.eclipse.jetty.security.LoginService;
  import org.eclipse.jetty.server.RequestLog;
  import org.eclipse.jetty.webapp.WebAppContext;
  
  /**
   * Ant task for running a Jetty server.
   */
  public class JettyRunTask extends Task
  {
      private int scanIntervalSeconds; 
      
      /** Temporary files directory. */
      private File tempDirectory;
  
      /** List of web applications to be deployed. */
      private List<AntWebAppContext> webapps = new ArrayList<AntWebAppContext>();
  
      /** Location of jetty.xml file. */
      private File jettyXml;
  
      /** List of server connectors. */
      private Connectors connectors = null;
  
      /** Server request logger object. */
      private RequestLog requestLog;
  
      /** List of login services. */
      private LoginServices loginServices;
  
      /** List of system properties to be set. */
      private SystemProperties systemProperties;
      
      /** List of other contexts to deploy */
      private ContextHandlers contextHandlers;
  
   
      /** Port Jetty will use for the default connector */
      private int jettyPort = 8080;
      
      private int stopPort;
      
      private String stopKey;
  
      private boolean daemon;
      
      public JettyRunTask()
      {
          TaskLog.setTask(this);
      }
  
      /**
       * Creates a new <code>WebApp</code> Ant object.
       * @param webapp the webapp context 
       */
      public void addWebApp(AntWebAppContext webapp)
      {
         webapps.add(webapp);
      }
  
      /**
       * Adds a new Ant's connector tag object if it have not been created yet.
       * @param connectors the connectors 
       */
      public void addConnectors(Connectors connectors)
      {
         if (this.connectors != null)
             throw new BuildException("Only one <connectors> tag is allowed!");
         this.connectors = connectors;
     }
 
     public void addLoginServices(LoginServices services)
     {        
         if (this.loginServices != null )
             throw new BuildException("Only one <loginServices> tag is allowed!");       
         this.loginServices = services;  
     }
 
     public void addSystemProperties(SystemProperties systemProperties)
     {
         if (this.systemProperties != null)
             throw new BuildException("Only one <systemProperties> tag is allowed!");
         this.systemProperties = systemProperties;
     }
     
     public void addContextHandlers (ContextHandlers handlers)
     {
         if (this.contextHandlers != null)
             throw new BuildException("Only one <contextHandlers> tag is allowed!");
         this.contextHandlers = handlers;
     }
 
     public File getTempDirectory()
     {
         return tempDirectory;
     }
 
     public void setTempDirectory(File tempDirectory)
     {
         this.tempDirectory = tempDirectory;
     }
 
     public File getJettyXml()
     {
         return jettyXml;
     }
 
     public void setJettyXml(File jettyXml)
     {
         this.jettyXml = jettyXml;
     }
 
     public void setRequestLog(String className)
     {
         try
         {
             this.requestLog = (RequestLog) Class.forName(className).newInstance();
         }
         catch (InstantiationException e)
         {
             throw new BuildException("Request logger instantiation exception: " + e);
         }
         catch (IllegalAccessException e)
         {
             throw new BuildException("Request logger instantiation exception: " + e);
         }
         catch (ClassNotFoundException e)
         {
             throw new BuildException("Unknown request logger class: " + className);
         }
     }
 
     public String getRequestLog()
     {
         if (requestLog != null)
         {
             return requestLog.getClass().getName();
         }
 
         return "";
     }
 
     /**
      * Sets the port Jetty uses for the default connector.
      * 
      * @param jettyPort The port Jetty will use for the default connector
      */
     public void setJettyPort(final int jettyPort)
     {
         this.jettyPort = jettyPort;
     }
 
     /**
      * Executes this Ant task. The build flow is being stopped until Jetty
      * server stops.
      *
      * @throws BuildException if unable to build
      */
     public void execute() throws BuildException
     {
 
         TaskLog.log("Configuring Jetty for project: " + getProject().getName());
         
         setSystemProperties();
 
         List<Connector> connectorsList = null;
 
         if (connectors != null)
             connectorsList = connectors.getConnectors();
         else
             connectorsList = new Connectors(jettyPort,30000).getDefaultConnectors();
 
         List<LoginService> loginServicesList = (loginServices != null?loginServices.getLoginServices():new ArrayList<LoginService>());
         ServerProxyImpl server = new ServerProxyImpl();
         server.setConnectors(connectorsList);
         server.setLoginServices(loginServicesList);
         server.setRequestLog(requestLog);
         server.setJettyXml(jettyXml);
         server.setDaemon(daemon);
         server.setStopPort(stopPort);
         server.setStopKey(stopKey);
         server.setContextHandlers(contextHandlers);
         server.setTempDirectory(tempDirectory);
         server.setScanIntervalSecs(scanIntervalSeconds);
 
         try
         {
             for (WebAppContext webapp: webapps)
             {
                 server.addWebApplication((AntWebAppContext)webapp);
             }
         }
         catch (Exception e)
         {
             throw new BuildException(e);
         }
 
         server.start();
     }
 
     public int getStopPort()
     {
         return stopPort;
     }
 
     public void setStopPort(int stopPort)
     {
         this.stopPort = stopPort;
         TaskLog.log("stopPort="+stopPort);
     }
 
     public String getStopKey()
     {
         return stopKey;
     }
 
     public void setStopKey(String stopKey)
     {
         this.stopKey = stopKey;
         TaskLog.log("stopKey="+stopKey);
     }
 
     /**
      * @return the daemon
      */
     public boolean isDaemon()
     {
         return daemon;
     }
 
     /**
      * @param daemon the daemon to set
      */
     public void setDaemon(boolean daemon)
     {
         this.daemon = daemon;
         TaskLog.log("Daemon="+daemon);
     }
 
     public int getScanIntervalSeconds()
     {
         return scanIntervalSeconds;
     }
 
     public void setScanIntervalSeconds(int secs)
     {
         scanIntervalSeconds = secs;
         TaskLog.log("scanIntervalSecs="+secs);
     }
     
     /**
      * Sets the system properties.
      */
     private void setSystemProperties()
     {
         if (systemProperties != null)
         {
             Iterator propertiesIterator = systemProperties.getSystemProperties().iterator();
             while (propertiesIterator.hasNext())
             {
                 Property property = ((Property) propertiesIterator.next());
                 SystemProperties.setIfNotSetAlready(property);
             }
         }
     }
 
 }