package org.apache.tomcat.maven.plugin.tomcat6;
   
   /*
    * 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.
   */
  
  
  import org.apache.catalina.Context;
  import org.apache.catalina.Engine;
  import org.apache.catalina.Host;
  import org.apache.catalina.LifecycleException;
  import org.apache.catalina.connector.Connector;
  import org.apache.catalina.loader.WebappLoader;
  import org.apache.catalina.realm.MemoryRealm;
  import org.apache.catalina.startup.Catalina;
  import org.apache.catalina.startup.Embedded;
  import org.apache.maven.artifact.Artifact;
  import org.apache.maven.artifact.resolver.filter.ScopeArtifactFilter;
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.plugin.MojoFailureException;
  import org.apache.maven.project.MavenProject;
  import org.apache.tomcat.maven.common.run.EmbeddedRegistry;
  import org.codehaus.plexus.archiver.ArchiverException;
  import org.codehaus.plexus.archiver.UnArchiver;
  import org.codehaus.plexus.archiver.manager.ArchiverManager;
  import org.codehaus.plexus.archiver.manager.NoSuchArchiverException;
  import org.codehaus.plexus.classworlds.ClassWorld;
  import org.codehaus.plexus.classworlds.realm.ClassRealm;
  import org.codehaus.plexus.classworlds.realm.DuplicateRealmException;
  import org.codehaus.plexus.util.DirectoryScanner;
  import org.codehaus.plexus.util.FileUtils;
  import org.w3c.dom.Document;
  import org.w3c.dom.NamedNodeMap;
  import org.w3c.dom.Node;
  import org.xml.sax.SAXException;
  
  import javax.xml.parsers.DocumentBuilder;
  import javax.xml.parsers.DocumentBuilderFactory;
  import javax.xml.parsers.ParserConfigurationException;
  import java.io.File;
  import java.io.FileNotFoundException;
  import java.io.IOException;
  import java.net.InetAddress;
  import java.net.MalformedURLException;
  import java.net.URL;
  import java.security.Principal;
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.Iterator;
  import java.util.List;
  import java.util.Map;
  import java.util.Set;
  
  /**
   * Abstract goal that provides common configuration for embedded Tomcat goals.
   *
   * @author Jurgen Lust
   * @author Mark Hobson <markhobson@gmail.com>
   * @version $Id: AbstractRunMojo.html 1305321 2012-03-26 12:01:12Z olamy $
   */
  public abstract class AbstractRunMojo
      extends AbstractI18NTomcat6Mojo
  {
      // ----------------------------------------------------------------------
      // Mojo Parameters
      // ----------------------------------------------------------------------
  
      /**
       * The packaging of the Maven project that this goal operates upon.
       *
       * @parameter expression = "${project.packaging}"
       * @required
       * @readonly
       */
      private String packaging;
  
      /**
       * The directory to create the Tomcat server configuration under.
       *
       * @parameter expression="${project.build.directory}/tomcat"
       */
      private File configurationDir;
  
      /**
      * The port to run the Tomcat server on.
      *
      * @parameter expression="${maven.tomcat.port}" default-value="8080"
      */
     private int port;
 
     /**
      * The AJP port to run the Tomcat server on.
      * By default it's 0 this means won't be started.
      * The ajp connector will be started only for value > 0.
      *
      * @parameter expression="${maven.tomcat.ajp.port}" default-value="0"
      * @since 2.0
      */
     private int ajpPort;
 
     /**
      * The AJP protocol to run the Tomcat server on.
      * By default it's ajp.
      * NOTE The ajp connector will be started only if {@link #ajpPort} > 0.
      *
      * @parameter expression="${maven.tomcat.ajp.protocol}" default-value="ajp"
      * @since 2.0
      */
     private String ajpProtocol;
 
     /**
      * The https port to run the Tomcat server on.
      * By default it's 0 this means won't be started.
      * The https connector will be started only for value > 0.
      *
      * @parameter expression="${maven.tomcat.httpsPort}" default-value="0"
      * @since 1.0
      */
     private int httpsPort;
 
     /**
      * The character encoding to use for decoding URIs.
      *
      * @parameter expression="${maven.tomcat.uriEncoding}" default-value="ISO-8859-1"
      * @since 1.0
      */
     private String uriEncoding;
 
     /**
      * List of System properties to pass to the Tomcat Server.
      *
      * @parameter
      * @since 1.0-alpha-2
      */
     private Map<String, String> systemProperties;
 
     /**
      * The directory contains additional configuration Files that copied in the Tomcat conf Directory.
      *
      * @parameter expression = "${maven.tomcat.additionalConfigFilesDir}" default-value="${basedir}/src/main/tomcatconf"
      * @since 1.0-alpha-2
      */
     private File additionalConfigFilesDir;
 
     /**
      * server.xml to use <b>Note if you use this you must configure in this file your webapp paths</b>.
      *
      * @parameter expression="${maven.tomcat.serverXml}"
      * @since 1.0-alpha-2
      */
     private File serverXml;
 
     /**
      * overriding the providing web.xml to run tomcat
      *
      * @parameter expression="${maven.tomcat.webXml}"
      * @since 1.0-alpha-2
      */
     private File tomcatWebXml;
 
     /**
      * Set this to true to allow Maven to continue to execute after invoking
      * the run goal.
      *
      * @parameter expression="${maven.tomcat.fork}" default-value="false"
      * @since 1.0
      */
     private boolean fork;
 
     /**
      * Will create a tomcat context for each dependencies of war type with 'scope' set to 'tomcat'.
      * In other words, dependencies with:
      * <pre>
      *    &lt;type&gt;war&lt;/type&gt;
      *    &lt;scope&gt;tomcat&lt;/scope&gt;
      * </pre>
      * To preserve backward compatibility it's false by default.
      *
      * @parameter expression="${maven.tomcat.addContextWarDependencies}" default-value="false"
      * @since 1.0
      */
     private boolean addContextWarDependencies;
 
     /**
      * The maven project.
      *
      * @parameter expression="${project}"
      * @required
      * @readonly
      * @since 1.0
      */
     protected MavenProject project;
 
     /**
      * The archive manager.
      *
      * @component
      * @since 1.0
      */
     private ArchiverManager archiverManager;
 
     /**
      * if <code>true</code> a new classLoader separated from maven core will be created to start tomcat.
      *
      * @parameter expression="${tomcat.useSeparateTomcatClassLoader}" default-value="false"
      * @since 1.0
      */
     protected boolean useSeparateTomcatClassLoader;
 
     /**
      * @parameter expression="${plugin.artifacts}"
      * @required
      * @since 1.0
      */
     @SuppressWarnings( "rawtypes" )
     private List pluginArtifacts;
 
     /**
      * If set to true ignore if packaging of project is not 'war'.
      *
      * @parameter expression="${tomcat.ignorePackaging}" default-value="false"
      * @since 1.0
      */
     private boolean ignorePackaging;
 
     /**
      * Override the default keystoreFile for the HTTPS connector (if enabled)
      *
      * @parameter
      * @since 1.1
      */
     private String keystoreFile;
 
     /**
      * Override the default keystorePass for the HTTPS connector (if enabled)
      *
      * @parameter
      * @since 1.1
      */
     private String keystorePass;
 
     /**
      * <p>
      * Enables or disables naming support for the embedded Tomcat server. By default the embedded Tomcat
      * in Tomcat 6 comes with naming enabled. In contrast to this the embedded Tomcat 7 comes with
      * naming disabled by default.
      * </p>
      * <p>
      * <strong>Note:</strong> This setting is ignored if you provide a <code>server.xml</code> for your
      * Tomcat. Instead please configure naming in the <code>server.xml</code>.
      * </p>
      *
      * @parameter expression="${maven.tomcat.useNaming}" default-value="true"
      * @todo adopt documentation once Tomcat 7 is supported (MTOMCAT-62)
      * @see <a href="http://tomcat.apache.org/tomcat-6.0-doc/api/org/apache/catalina/startup/Embedded.html">org.apache.catalina.startup.Embedded</a>
      * @see <a href="http://tomcat.apache.org/tomcat-7.0-doc/api/org/apache/catalina/startup/Tomcat.html">org.apache.catalina.startup.Tomcat</a>
      * @since 2.0
      */
     private boolean useNaming;
 
     /**
      * Force context scanning if you don't use a context file with reloadable = "true".
      * The other way to use contextReloadable is to add attribute reloadable = "true"
      * in your context file.
      *
      * @parameter expression="${maven.tomcat.contextReloadable}" default-value="false"
      * @since 2.0
      */
     protected boolean contextReloadable;
 
 
     /**
      * The path of the Tomcat context XML file.
      *
      * @parameter expression="src/main/webapp/META-INF/context.xml"
      */
     protected File contextFile;
 
     /**
      * The protocol to run the Tomcat server on.
      * By default it's HTTP/1.1.
      *
      * @parameter expression="${maven.tomcat.protocol}" default-value="HTTP/1.1"
      * @since 2.0
      */
     private String protocol;
 
     /**
      * The path of the Tomcat users XML file.
      *
      * @parameter expression = "${maven.tomcat.tomcatUsers.file}"
      */
     private File tomcatUsers;
 
     /**
      * to install a manager in your embeded tomcat
      *
      * @parameter
      * @since 2.0
      */
     private File managerWarPath;
 
     // ----------------------------------------------------------------------
     // Fields
     // ----------------------------------------------------------------------
 
     /**
      * @since 1.0
      */
     private ClassRealm tomcatRealm;
 
     // ----------------------------------------------------------------------
     // Mojo Implementation
     // ----------------------------------------------------------------------
 
     /**
      * {@inheritDoc}
      */
     public void execute()
         throws MojoExecutionException, MojoFailureException
     {
         // ensure project is a web application
         if ( !isWar() )
         {
             getLog().info( messagesProvider.getMessage( "AbstractRunMojo.nonWar" ) );
             return;
         }
         ClassLoader originalClassLoaser = Thread.currentThread().getContextClassLoader();
         try
         {
             if ( useSeparateTomcatClassLoader )
             {
                 Thread.currentThread().setContextClassLoader( getTomcatClassLoader() );
             }
             getLog().info( messagesProvider.getMessage( "AbstractRunMojo.runningWar", getWebappUrl() ) );
 
             initConfiguration();
             startContainer();
             if ( !fork )
             {
                 waitIndefinitely();
             }
         }
         catch ( LifecycleException exception )
         {
             throw new MojoExecutionException( messagesProvider.getMessage( "AbstractRunMojo.cannotStart" ), exception );
         }
         catch ( IOException exception )
         {
             throw new MojoExecutionException(
                 messagesProvider.getMessage( "AbstractRunMojo.cannotCreateConfiguration" ), exception );
         }
         finally
         {
             if ( useSeparateTomcatClassLoader )
             {
                 Thread.currentThread().setContextClassLoader( originalClassLoaser );
             }
         }
     }
 
     // ----------------------------------------------------------------------
     // Protected Methods
     // ----------------------------------------------------------------------
 
     /**
      * Gets the webapp context path to use for the web application being run.
      *
      * @return the webapp context path
      */
     protected String getPath()
     {
         return path;
     }
 
     /**
      * Gets the context to run this web application under for the specified embedded Tomcat.
      *
      * @param container the embedded Tomcat container being used
      * @return the context to run this web application under
      * @throws IOException            if the context could not be created
      * @throws MojoExecutionException in case of an error creating the context
      */
     protected Context createContext( Embedded container )
         throws IOException, MojoExecutionException
     {
         String contextPath = getPath();
         Context context =
             container.createContext( "/".equals( contextPath ) ? "" : contextPath, getDocBase().getAbsolutePath() );
 
         if ( useSeparateTomcatClassLoader )
         {
             context.setParentClassLoader( getTomcatClassLoader() );
         }
 
         context.setLoader( createWebappLoader() );
         File contextFile = getContextFile();
         if ( contextFile != null )
         {
             context.setConfigFile( getContextFile().getAbsolutePath() );
         }
         return context;
     }
 
     /**
      * Gets the webapp loader to run this web application under.
      *
      * @return the webapp loader to use
      * @throws IOException            if the webapp loader could not be created
      * @throws MojoExecutionException in case of an error creating the webapp loader
      */
     protected WebappLoader createWebappLoader()
         throws IOException, MojoExecutionException
     {
         if ( useSeparateTomcatClassLoader )
         {
             return ( isContextReloadable() )
                 ? new ExternalRepositoriesReloadableWebappLoader( getTomcatClassLoader(), getLog() )
                 : new WebappLoader( getTomcatClassLoader() );
         }
 
         return ( isContextReloadable() )
             ? new ExternalRepositoriesReloadableWebappLoader( Thread.currentThread().getContextClassLoader(), getLog() )
             : new WebappLoader( Thread.currentThread().getContextClassLoader() );
     }
 
     /**
      * Determine whether the passed context.xml file declares the context as reloadable or not.
      *
      * @return false by default, true if  reloadable="true" in context.xml.
      */
     protected boolean isContextReloadable()
         throws MojoExecutionException
     {
         if ( contextReloadable )
         {
             return true;
         }
         // determine whether to use a reloadable Loader or not (default is false).
         boolean reloadable = false;
         try
         {
             if ( contextFile != null && contextFile.exists() )
             {
                 DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance();
                 DocumentBuilder builder = builderFactory.newDocumentBuilder();
                 Document contextDoc = builder.parse( contextFile );
                 contextDoc.getDocumentElement().normalize();
 
                 NamedNodeMap nodeMap = contextDoc.getDocumentElement().getAttributes();
                 Node reloadableAttribute = nodeMap.getNamedItem( "reloadable" );
 
                 reloadable =
                     ( reloadableAttribute != null ) ? Boolean.valueOf( reloadableAttribute.getNodeValue() ) : false;
             }
             getLog().debug( "context reloadable: " + reloadable );
         }
         catch ( IOException ioe )
         {
             getLog().error( "Could not parse file: [" + contextFile.getAbsolutePath() + "]", ioe );
         }
         catch ( ParserConfigurationException pce )
         {
             getLog().error( "Could not configure XML parser", pce );
         }
         catch ( SAXException se )
         {
             getLog().error( "Could not parse file: [" + contextFile.getAbsolutePath() + "]", se );
         }
 
         return reloadable;
     }
 
 
     /**
      * Gets the webapp directory to run.
      *
      * @return the webapp directory
      */
     protected abstract File getDocBase();
 
     /**
      * Gets the Tomcat context XML file to use.
      *
      * @return the context XML file
      */
     protected abstract File getContextFile()
         throws MojoExecutionException;
 
     // ----------------------------------------------------------------------
     // Private Methods
     // ----------------------------------------------------------------------
 
     /**
      * Gets whether this project uses WAR packaging.
      *
      * @return whether this project uses WAR packaging
      */
     protected boolean isWar()
     {
         return "war".equals( packaging ) || ignorePackaging;
     }
 
     /**
      * Gets the URL of the running webapp.
      *
      * @return the URL of the running webapp
      * @throws MalformedURLException if the running webapp URL is invalid
      */
     private URL getWebappUrl()
         throws MalformedURLException
     {
         return new URL( "http", "localhost", port, getPath() );
     }
 
     /**
      * Creates the Tomcat configuration directory with the necessary resources.
      *
      * @throws IOException            if the Tomcat configuration could not be created
      * @throws MojoExecutionException if the Tomcat configuration could not be created
      */
     private void initConfiguration()
         throws IOException, MojoExecutionException
     {
         if ( configurationDir.exists() )
         {
             getLog().info( messagesProvider.getMessage( "AbstractRunMojo.usingConfiguration", configurationDir ) );
         }
         else
         {
             getLog().info( messagesProvider.getMessage( "AbstractRunMojo.creatingConfiguration", configurationDir ) );
 
             configurationDir.mkdirs();
 
             File confDir = new File( configurationDir, "conf" );
             confDir.mkdir();
 
             copyFile( "/conf/tomcat-users.xml", new File( confDir, "tomcat-users.xml" ) );
 
             if ( tomcatWebXml != null )
             {
                 if ( !tomcatWebXml.exists() )
                 {
                     throw new MojoExecutionException( " tomcatWebXml " + tomcatWebXml.getPath() + " not exists" );
                 }
                 //MTOMCAT-42  here it's a real file resources not a one coming with the mojo 
                 FileUtils.copyFile( tomcatWebXml, new File( confDir, "web.xml" ) );
                 //copyFile( tomcatWebXml.getPath(), new File( confDir, "web.xml" ) );
             }
             else
             {
                 copyFile( "/conf/web.xml", new File( confDir, "web.xml" ) );
             }
 
             File logDir = new File( configurationDir, "logs" );
             logDir.mkdir();
 
             File webappsDir = new File( configurationDir, "webapps" );
             webappsDir.mkdir();
             if ( managerWarPath != null && managerWarPath.exists() )
             {
                 FileUtils.copyFileToDirectory( managerWarPath, webappsDir );
             }
 
             if ( additionalConfigFilesDir != null && additionalConfigFilesDir.exists() )
             {
                 DirectoryScanner scanner = new DirectoryScanner();
                 scanner.addDefaultExcludes();
                 scanner.setBasedir( additionalConfigFilesDir.getPath() );
                 scanner.scan();
 
                 String[] files = scanner.getIncludedFiles();
 
                 if ( files != null && files.length > 0 )
                 {
                     getLog().info( "Coping additional tomcat config files" );
 
                     for ( int i = 0; i < files.length; i++ )
                     {
                         File file = new File( additionalConfigFilesDir, files[i] );
 
                         getLog().info( " copy " + file.getName() );
 
                         FileUtils.copyFileToDirectory( file, confDir );
                     }
                 }
             }
         }
     }
 
     /**
      * Copies the specified class resource to the specified file.
      *
      * @param fromPath the path of the class resource to copy
      * @param toFile   the file to copy to
      * @throws IOException if the file could not be copied
      */
     private void copyFile( String fromPath, File toFile )
         throws IOException
     {
         URL fromURL = getClass().getResource( fromPath );
 
         if ( fromURL == null )
         {
             throw new FileNotFoundException( fromPath );
         }
 
         FileUtils.copyURLToFile( fromURL, toFile );
     }
 
     /**
      * Starts the embedded Tomcat server.
      *
      * @throws IOException            if the server could not be configured
      * @throws LifecycleException     if the server could not be started
      * @throws MojoExecutionException if the server could not be configured
      */
     private void startContainer()
         throws IOException, LifecycleException, MojoExecutionException
     {
         String previousCatalinaBase = System.getProperty( "catalina.base" );
 
         try
         {
 
             // Set the system properties
             setupSystemProperties();
 
             System.setProperty( "catalina.base", configurationDir.getAbsolutePath() );
             System.setProperty( "catalina.home", configurationDir.getAbsolutePath() );
 
             File catalinaPolicy = new File( configurationDir, "conf/catalina.policy" );
 
             if ( catalinaPolicy.exists() )
             {
                 // FIXME restore previous value ?
                 System.setProperty( "java.security.policy", catalinaPolicy.getAbsolutePath() );
             }
 
             final Embedded container;
             if ( serverXml != null )
             {
                 if ( !serverXml.exists() )
                 {
                     throw new MojoExecutionException( serverXml.getPath() + " not exists" );
                 }
 
                 container = new Catalina();
                 container.setCatalinaHome( configurationDir.getAbsolutePath() );
                 container.setCatalinaBase( configurationDir.getAbsolutePath() );
                 ( (Catalina) container ).setConfigFile( serverXml.getPath() );
                 ( (Catalina) container ).setRedirectStreams( true );
                 ( (Catalina) container ).setUseNaming( this.useNaming );
 
                 container.start();
             }
             else
             {
                 // create server
                 container = new Embedded();
                 container.setCatalinaHome( configurationDir.getAbsolutePath() );
                 MemoryRealm memoryRealm = new MemoryRealm()
                 {
                     @Override
                     public Principal authenticate( String username, String credentials )
                     {
                         return super.authenticate( username,
                                                    credentials );    //To change body of overridden methods use File | Settings | File Templates.
                     }
                 };
 
                 if ( tomcatUsers != null )
                 {
                     if ( !tomcatUsers.exists() )
                     {
                         throw new MojoExecutionException( " tomcatUsers " + tomcatUsers.getPath() + " not exists" );
                     }
                     getLog().info( "use tomcat-users.xml from " + tomcatUsers.getAbsolutePath() );
                     memoryRealm.setPathname( tomcatUsers.getAbsolutePath() );
 
                 }
 
                 container.setRealm( memoryRealm );
                 container.setUseNaming( useNaming );
 
                 //container.createLoader( getTomcatClassLoader() ).
 
                 // create context
                 Context context = createContext( container );
 
                 // create host
                 String appBase = new File( configurationDir, "webapps" ).getAbsolutePath();
                 Host host = container.createHost( "localHost", appBase );
 
                 host.addChild( context );
 
                 if ( addContextWarDependencies )
                 {
                     Collection<Context> dependecyContexts = createDependencyContexts( container );
                     for ( Context extraContext : dependecyContexts )
                     {
                         host.addChild( extraContext );
                     }
                 }
 
                 // create engine
                 Engine engine = container.createEngine();
                 engine.setName( "localEngine" );
                 engine.addChild( host );
                 engine.setDefaultHost( host.getName() );
                 container.addEngine( engine );
                 if ( useSeparateTomcatClassLoader )
                 {
                     engine.setParentClassLoader( getTomcatClassLoader() );
                 }
                 // create http connector
                 Connector httpConnector = container.createConnector( (InetAddress) null, port, protocol );
                 if ( httpsPort > 0 )
                 {
                     httpConnector.setRedirectPort( httpsPort );
                 }
                 httpConnector.setURIEncoding( uriEncoding );
                 container.addConnector( httpConnector );
 
                 // create https connector
                 if ( httpsPort > 0 )
                 {
                     Connector httpsConnector = container.createConnector( (InetAddress) null, httpsPort, true );
                     httpsConnector.setSecure( true );
                     httpsConnector.setProperty( "SSLEnabled", "true" );
                     // should be default but configure it anyway
                     httpsConnector.setProperty( "sslProtocol", "TLS" );
                     if ( keystoreFile != null )
                     {
                         httpsConnector.setAttribute( "keystoreFile", keystoreFile );
                     }
                     if ( keystorePass != null )
                     {
                         httpsConnector.setAttribute( "keystorePass", keystorePass );
                     }
                     container.addConnector( httpsConnector );
 
                 }
 
                 // create ajp connector
                 if ( ajpPort > 0 )
                 {
                     Connector ajpConnector = container.createConnector( (InetAddress) null, ajpPort, ajpProtocol );
                     ajpConnector.setURIEncoding( uriEncoding );
                     container.addConnector( ajpConnector );
                 }
                 container.start();
             }
 
             EmbeddedRegistry.getInstance().register( container );
         }
         finally
         {
             if ( previousCatalinaBase != null )
             {
                 System.setProperty( "catalina.base", previousCatalinaBase );
             }
         }
     }
 
     protected ClassRealm getTomcatClassLoader()
         throws MojoExecutionException
     {
         if ( this.tomcatRealm != null )
         {
             return tomcatRealm;
         }
         try
         {
             ClassWorld world = new ClassWorld();
             ClassRealm root = world.newRealm( "tomcat", Thread.currentThread().getContextClassLoader() );
 
             for ( @SuppressWarnings( "rawtypes" ) Iterator i = pluginArtifacts.iterator(); i.hasNext(); )
             {
                 Artifact pluginArtifact = (Artifact) i.next();
                 if ( "org.apache.tomcat".equals( pluginArtifact.getGroupId() ) )
                 {
                     if ( pluginArtifact.getFile() != null )
                     {
                         root.addURL( pluginArtifact.getFile().toURI().toURL() );
                     }
                 }
             }
             tomcatRealm = root;
             return root;
         }
         catch ( DuplicateRealmException e )
         {
             throw new MojoExecutionException( e.getMessage(), e );
         }
         catch ( MalformedURLException e )
         {
             throw new MojoExecutionException( e.getMessage(), e );
         }
     }
 
     @SuppressWarnings( "unchecked" )
     public Set<Artifact> getProjectArtifacts()
     {
         return project.getArtifacts();
     }
 
     /**
      * Causes the current thread to wait indefinitely. This method does not return.
      */
     private void waitIndefinitely()
     {
         Object lock = new Object();
 
         synchronized ( lock )
         {
             try
             {
                 lock.wait();
             }
             catch ( InterruptedException exception )
             {
                 getLog().warn( messagesProvider.getMessage( "AbstractRunMojo.interrupted" ), exception );
             }
         }
     }
 
 
     /**
      * Set the SystemProperties from the configuration.
      */
     private void setupSystemProperties()
     {
         if ( systemProperties != null && !systemProperties.isEmpty() )
         {
             getLog().info( "setting SystemProperties:" );
 
             for ( String key : systemProperties.keySet() )
             {
                 String value = systemProperties.get( key );
 
                 if ( value != null )
                 {
                     getLog().info( " " + key + "=" + value );
                     System.setProperty( key, value );
                 }
                 else
                 {
                     getLog().info( "skip sysProps " + key + " with empty value" );
                 }
             }
         }
     }
 
 
     /**
      * Allows the startup of additional webapps in the tomcat container by declaration with scope
      * "tomcat".
      *
      * @param container tomcat
      * @return dependency tomcat contexts of warfiles in scope "tomcat"
      */
     private Collection<Context> createDependencyContexts( Embedded container )
         throws MojoExecutionException
     {
         getLog().info( "Deploying dependency wars" );
         // Let's add other modules
         List<Context> contexts = new ArrayList<Context>();
 
         ScopeArtifactFilter filter = new ScopeArtifactFilter( "tomcat" );
         @SuppressWarnings( "unchecked" ) Set<Artifact> artifacts = project.getArtifacts();
         for ( Artifact artifact : artifacts )
         {
 
             // Artifact is not yet registered and it has neither test, nor a
             // provided scope, not is it optional
             if ( "war".equals( artifact.getType() ) && !artifact.isOptional() && filter.include( artifact ) )
             {
                 getLog().info( "Deploy warfile: " + String.valueOf( artifact.getFile() ) );
                 File webapps = new File( configurationDir, "webapps" );
                 File artifactWarDir = new File( webapps, artifact.getArtifactId() );
                 if ( !artifactWarDir.exists() )
                 {
                     //dont extract if exists
                     artifactWarDir.mkdir();
                     try
                     {
                         UnArchiver unArchiver = archiverManager.getUnArchiver( "zip" );
                         unArchiver.setSourceFile( artifact.getFile() );
                         unArchiver.setDestDirectory( artifactWarDir );
 
                         // Extract the module
                         unArchiver.extract();
                     }
                     catch ( NoSuchArchiverException e )
                     {
                         getLog().error( e );
                         continue;
                     }
                     catch ( ArchiverException e )
                     {
                         getLog().error( e );
                         continue;
                     }
                 }
                 WebappLoader webappLoader = new WebappLoader( Thread.currentThread().getContextClassLoader() );
                 Context context =
                     container.createContext( "/" + artifact.getArtifactId(), artifactWarDir.getAbsolutePath() );
                 context.setLoader( webappLoader );
                 File contextFile = getContextFile();
                 if ( contextFile != null )
                 {
                     context.setConfigFile( getContextFile().getAbsolutePath() );
                 }
                 contexts.add( context );
 
             }
         }
         return contexts;
     }
 }