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From mcconn...@apache.org
Subject cvs commit: avalon-sandbox/merlin/merlin-core/src/java/org/apache/avalon/merlin/container Targets.java Target.java ContainmentProfile.java
Date Sun, 20 Apr 2003 12:19:52 GMT
mcconnell    2003/04/20 05:19:52

  Added:       merlin/merlin-core/src/java/org/apache/avalon/merlin/container
                        Targets.java Target.java ContainmentProfile.java
  Log:
  Seperated out functionality dealing with configuration fragments.
  
  Revision  Changes    Path
  1.1                  avalon-sandbox/merlin/merlin-core/src/java/org/apache/avalon/merlin/container/Targets.java
  
  Index: Targets.java
  ===================================================================
  /* ====================================================================
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2002 The Apache Software Foundation. All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution,
   *    if any, must include the following acknowledgment:
   *    "This product includes software developed by the
   *    Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgment may appear in the software
   *    itself, if and wherever such third-party acknowledgments
   *    normally appear.
   *
   * 4. The names "Jakarta", "Avalon", and "Apache Software Foundation"
   *    must not be used to endorse or promote products derived from this
   *    software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache",
   *    nor may "Apache" appear in their name, without prior written
   *    permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation. For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  
  package org.apache.avalon.merlin.container;
  
  import java.util.ArrayList;
  
  import org.apache.avalon.framework.configuration.Configuration;
  import org.apache.avalon.framework.parameters.Parameters;
  import org.apache.avalon.meta.info.Type;
  import org.apache.avalon.meta.info.DependencyDescriptor;
  import org.apache.avalon.meta.info.ServiceDescriptor;
  import org.apache.avalon.meta.model.ContextDirective;
  import org.apache.avalon.meta.model.LoggingDirective;
  import org.apache.avalon.meta.model.Mode;
  import org.apache.avalon.meta.model.Profile;
  
  /**
   * <p>A target is a tagged configuration fragment.  The tag is a path
   * seperated by "/" charaters qualifying the component that the target
   * configuration is to be applied to.</p>
   *
   * @author <a href="mailto:mcconnell@apache.org">Stephen McConnell</a>
   * @version $Revision: 1.1 $ $Date: 2003/04/20 12:19:52 $
   */
  public class Targets
  {
      //========================================================================
      // state
      //========================================================================
  
      /**
       * The parent.
       */
      private final Targets m_parent;
  
      /**
       * The set of targets.
       */
      private final Target[] m_targets;
  
      //========================================================================
      // constructors
      //========================================================================
  
      /**
       * Create a new Targets instance.
       *
       * @param targets the set of targets
       */
      public Targets( final Target[] targets )
      {
          this( null, targets );
      }
  
      /**
       * Create a new Targets instance.
       *
       * @param targets the set of targets
       */
      public Targets( final Targets parent, final Target[] targets )
      {
          m_targets = targets;
          m_parent = parent;
      }
  
      //========================================================================
      // implementation
      //========================================================================
  
      /**
       * Return all targets.
       *
       * @return all the targets in this targets instance.
       */
      protected Target[] getTargets()
      {
          return m_targets;
      }
  
      /**
       * Return a matching target.
       *
       * @return the target or null if no matching target
       */
      public Target getTarget( String path )
      {
          final String key = getKey( path );
          if( m_parent != null )
          {
              Target t = m_parent.getTarget( key );
              if( t.getConfiguration() != null )
              {
                  return t;
              }
          }
  
          for( int i=0; i<m_targets.length; i++ )
          {
              Target target = m_targets[i];
              if( target.getPath().equals( key ) )
              {
                  return target;
              }
          }
  
          return new Target( key, null );
      }
  
      /**
       * Return a set of targets relative to the supplied path.
       *
       * @param the path
       * @return the set of relative targets
       */
      public Targets getTargets( String path )
      {
          final String key = getKey( path );
          ArrayList list = new ArrayList();
          for( int i=0; i<m_targets.length; i++ )
          {
              Target target = m_targets[i];
              if( target.getPath().startsWith( key ) )
              {
                  String name = target.getPath().substring( key.length() );
                  if( name.length() > 0 )
                  {
                      if( target.getConfiguration() != null )
                      {
                          Target t = new Target( getKey( name ), target.getConfiguration()
);
                          list.add( t );
                      }
                  }
              }
          }
  
          Target[] result = (Target[]) list.toArray( new Target[0] );
          if( m_parent != null )
          {
              return new Targets( m_parent.getTargets( key ), result );     
          }
          return new Targets( result );
      }
  
      /**
       * Convert the supplied path to a valid path.
       * @param path the path to convert
       * @return a good path value
       */
      private String getKey( final String path ) throws IllegalArgumentException
      {
          if( !path.startsWith("/") )
          {
              return "/" + path;
          }
          return path;
      }
  
      /**
       * Return a string representation of the target.
       * @return a string representing the target instance
       */
      public String toString()
      {
          StringBuffer buffer = new StringBuffer( "[targets: " );
          if( m_parent != null )
          {
              buffer.append( m_parent.toString() );
          }
          for( int i=0; i<m_targets.length; i++ )
          {
              buffer.append( m_targets[i] );
              if( i < ( m_targets.length -1 ) )
              {
                 buffer.append( ", " );
              }
          }
          buffer.append( " ]" );
          return buffer.toString();
      }
  }
  
  
  
  1.1                  avalon-sandbox/merlin/merlin-core/src/java/org/apache/avalon/merlin/container/Target.java
  
  Index: Target.java
  ===================================================================
  /* ====================================================================
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2002 The Apache Software Foundation. All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution,
   *    if any, must include the following acknowledgment:
   *    "This product includes software developed by the
   *    Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgment may appear in the software
   *    itself, if and wherever such third-party acknowledgments
   *    normally appear.
   *
   * 4. The names "Jakarta", "Avalon", and "Apache Software Foundation"
   *    must not be used to endorse or promote products derived from this
   *    software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache",
   *    nor may "Apache" appear in their name, without prior written
   *    permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation. For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  
  package org.apache.avalon.merlin.container;
  
  import java.util.ArrayList;
  
  import org.apache.avalon.framework.configuration.Configuration;
  import org.apache.avalon.framework.parameters.Parameters;
  import org.apache.avalon.meta.info.Type;
  import org.apache.avalon.meta.info.DependencyDescriptor;
  import org.apache.avalon.meta.info.ServiceDescriptor;
  import org.apache.avalon.meta.model.ContextDirective;
  import org.apache.avalon.meta.model.LoggingDirective;
  import org.apache.avalon.meta.model.Mode;
  import org.apache.avalon.meta.model.Profile;
  import org.apache.excalibur.configuration.ConfigurationUtil;
  
  /**
   * <p>A target is a tagged configuration fragment.  The tag is a path
   * seperated by "/" charaters qualifying the component that the target
   * configuration is to be applied to.</p>
   *
   * @author <a href="mailto:mcconnell@apache.org">Stephen McConnell</a>
   * @version $Revision: 1.1 $ $Date: 2003/04/20 12:19:52 $
   */
  public class Target
  {
      //========================================================================
      // state
      //========================================================================
  
      /**
       * The path.
       */
      private final String m_path;
  
      /**
       * The configuration.
       */
      private final Configuration m_config;
  
      //========================================================================
      // constructors
      //========================================================================
  
      /**
       * Create a new Target instance.
       *
       * @param path target path
       * @param configuration the configuration 
       */
      public Target( final String path, final Configuration configuration )
      {
          if( !path.startsWith("/") )
          {
              final String error = 
                "Supplied target path '" + path 
                + "' does not commence with the path delimiter '/'.";
              throw new IllegalArgumentException( error );
          }
          m_path = path;
          m_config = configuration;
      }
  
      //========================================================================
      // implementation
      //========================================================================
  
      /**
       * Return the target path.
       *
       * @return the target path
       */
      public String getPath()
      {
          return m_path;
      }
  
  
      /**
       * Return the target configuration.
       *
       * @return the target path
       */
      public Configuration getConfiguration()
      {
          return m_config;
      }
  
      /**
       * Return a string representation of the target.
       * @return a string representing the target instance
       */
      public String toString()
      {
          return "[target: " + getPath() + ", " + (getConfiguration() != null ) + " ]";
      }
  
  }
  
  
  
  1.1                  avalon-sandbox/merlin/merlin-core/src/java/org/apache/avalon/merlin/container/ContainmentProfile.java
  
  Index: ContainmentProfile.java
  ===================================================================
  /* ====================================================================
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2002 The Apache Software Foundation. All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution,
   *    if any, must include the following acknowledgment:
   *    "This product includes software developed by the
   *    Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgment may appear in the software
   *    itself, if and wherever such third-party acknowledgments
   *    normally appear.
   *
   * 4. The names "Jakarta", "Avalon", and "Apache Software Foundation"
   *    must not be used to endorse or promote products derived from this
   *    software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache",
   *    nor may "Apache" appear in their name, without prior written
   *    permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation. For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  
  package org.apache.avalon.merlin.container;
  
  import java.util.ArrayList;
  
  import org.apache.avalon.framework.configuration.Configuration;
  import org.apache.avalon.framework.parameters.Parameters;
  import org.apache.avalon.meta.info.Type;
  import org.apache.avalon.meta.info.DependencyDescriptor;
  import org.apache.avalon.meta.info.ServiceDescriptor;
  import org.apache.avalon.meta.model.ContextDirective;
  import org.apache.avalon.meta.model.LoggingDirective;
  import org.apache.avalon.meta.model.Mode;
  import org.apache.avalon.meta.model.Profile;
  import org.apache.avalon.assembly.engine.EngineClassLoader;
  
  /**
   * <p>A container descriptor is a description of the crieria supporting the
   * construction of a container.  It may may include multiple
   * component profile declarations, and multiple nested container declarations.</p>
   *
   * <p><b>XML</b><p>
   * A single container element is required within a kernel defintion.  Multiple
   * container declarations may appear within an enclosing container.
   * <pre>
   *    <font color="gray"><i>&lt;!--
   *    Definition of a container.  The name attribute declares bother the container
   *    name and the base logging category that will be supplied to the container
   *    by its parent.  Logging category defintions declared within the container
   *    declaration are relative to the container name.
   *    --&gt;</i></font>
   *
   *    &lt;container name="<font color="darkred">root</font>"&gt;
   *
   *      &lt;engine&gt;
   *
   *        <font color="gray"><i>&lt;!--
   *        Classpath declaration.  Classes accessible to a component are constrained
   *        to the classes available in the jar files declared within the immediate
   *        classpath, together with and resources declared in any parent container.
   *        --&gt;</i></font>
   *
   *        &lt;classpath&gt;
   *          &lt;fileset dir="<font color="darkred">dist</font>"&gt;
   *            &lt;include name="<font color="darkred">demo.jar</font>"/&gt;
   *            &lt;include name="<font color="darkred">new-application-1.0.jar</font>"/&gt;
   *          &lt;/fileset&gt;
   *        &lt;/classpath&gt;
   *
   *      &lt;/engine&gt;
   *
   *      <font color="gray"><i>&lt;!--
   *      Logging categories declaration.  Logging categories are relative to the name of
the
   *      enaclosing container. Logging priorities and targets will default to the parent
   *      containtains values if undefined.
   *      --&gt;</i></font>
   *
   *      &lt;categories priority="<font color="darkred">INFO</font>"&gt;
   *        &lt;category name="<font color="darkred">profiles</font>" /&gt;
   *        &lt;category name="<font color="darkred">lifecycle</font>" /&gt;
   *        &lt;category name="<font color="darkred">verifier</font>" /&gt;
   *      &lt;/categories&gt;
   *
   *      <font color="gray"><i>&lt;!--
   *      Multiple component profile declarations.  If a component declares dependecies,
   *      the container will attempt to resolve the dependency locally relative to any
   *      other declared components, otherwise, the container will attempt to resolve
   *      the dependecy using services established (explicitly or implicitly) in the
   *      parent containers before attempting a local implicit solution.
   *      --&gt;</i></font>
   *
   *      &lt;component name="<font color="darkred">my-component</font>"
   *         class="<font color="darkred">org.apache.excalibur.playground.SimpleComponent</font>"
/&gt;
   *
   *      <font color="gray"><i>&lt;!--
   *      Multiple subsidiary container declarations.
   *      --&gt;</i></font>
   *
   *      &lt;container name="<font color="darkred">child</font>"&gt;
   *        &lt;component name="<font color="darkred">demo-component</font>"
class="<font color="darkred">org.apache.excalibur.playground.BasicComponent</font>"
/&gt;
   *      &lt;container&gt;
   *
   *    &lt;/container&gt;
   * </pre>
   *
   * @see org.apache.avalon.meta.model.Profile
   *
   * @author <a href="mailto:dev@avalon.apache.org">Avalon Development Team</a>
   * @version $Revision: 1.1 $ $Date: 2003/04/20 12:19:52 $
   */
  public class ContainmentProfile extends Profile
  {
      //========================================================================
      // static
      //========================================================================
  
      /**
       * Container path delimiter.
       */
      public static final String DELIMITER = "/";
  
      //========================================================================
      // state
      //========================================================================
  
      /**
       * The component described within the scope of the container.
       */
      private final ArrayList m_components = new ArrayList();
  
      /**
       * The containers described within the scope of the container.
       */
      private final ArrayList m_containers = new ArrayList();
  
      /**
       * Virtual services.
       */
      private ServiceDescriptor[] m_services;
  
      /**
       * Virtual dependencies.
       */
      private DependencyDescriptor[] m_dependencies;
  
      /**
       * Assigned classloader.
       */
      private EngineClassLoader m_engine;
  
      //========================================================================
      // constructors
      //========================================================================
  
      /**
       * Create a ContainmentProfile instance.
       *
       * @param name the abstract name of profile
       * @param parameters the parameters instance to use during type instantiation
       * @param configuration the configuration instance to use during type instantiation
       * @param context the context instance to use during type instantiation
       * @param categories the logging categories descriptor
       * @param type the type of component that this profile qualifies
       * @param mode the creation mode (either IMPLICIT, PACKAGED, or EXPLICIT)
       * @param services virtual services exposed by the container
       * @param dependencies virtual dependencies
       * @param engine assigned classloader
       * @param components embedded component profiles
       * @param containers embedded containers profiles
       */
      public ContainmentProfile( final String name,
                                  final Parameters parameters,
                                  final Configuration configuration,
                                  final ContextDirective context,
                                  final LoggingDirective categories,
                                  final Type type,
                                  final Mode mode )
      {
          super( name, parameters, configuration, context, categories, type, mode );
  
          /*
          m_services = services;
          m_dependencies = dependencies;
          m_engine = engine;
  
          for( int i=0; i<components.length; i++ )
          {
              m_components.add( components[i] );
          }
          for( int i=0; i<containers.length; i++ )
          {
              m_containers.add( containers[i] );
          }
          */
      }
  
      //========================================================================
      // implementation
      //========================================================================
  
      /**
       * Set the block virtual services.
       * @param services the services provided by the block
       */
       public void setServices( ServiceDescriptor[] services )
       {
           if( m_services != null )
           {
               final String error = 
                 "Illegal attempt to modify service descriptor state.";
               throw new IllegalStateException( error );
           }
           m_services = services;
       }
  
      /**
       * Set the block virtual dependecies.
       * @param dependecies the dependecies consumed by the block
       */
       public void setDependencies( DependencyDescriptor[] dependencies )
       {
           if( m_dependencies != null )
           {
               final String error = 
                 "Illegal attempt to modify dependecies descriptor state.";
               throw new IllegalStateException( error );
           }
           m_dependencies = dependencies;
       }
  
      /**
       * Set the engine classloader.
       * @param engine the engine 
       */
       public void setEngine( EngineClassLoader engine )
       {
           if( m_engine != null )
           {
               final String error = 
                 "Illegal attempt to modify engine state.";
               throw new IllegalStateException( error );
           }
           m_engine = engine;
       }
  
      /**
       * Return the engine.
       *
       * @return the block engine.
       */
      public EngineClassLoader getEngine()
      {
          return m_engine;
      }
  
      /**
       * Add a set of component profile to this container.
       *
       * @param components the component profiles to add to the container
       */
      public void addComponents( Profile[] components )
      {
          for( int i=0; i<components.length; i++ )
          {
              addComponent( components[i] );
          }
      }
  
      /**
       * Add a component profile to this container.
       *
       * @param component the component profile to add to the container
       */
      public void addComponent( Profile component )
      {
          if( !m_components.contains( component ) )
          {
              m_components.add( component );
          }
      }
  
      /**
       * Return the set of component descriptors contained within this container.
       *
       * @return the target descriptors
       */
      public Profile[] getComponents()
      {
          return (Profile[])m_components.toArray( new Profile[ 0 ] );
      }
  
      /**
       * Return the set of component descriptors contained within this container matching
       * the supplied mode.
       *
       * @param mode one of enumerated value {@link Mode#IMPLICIT}, {@link Mode#PACKAGED},
       *    or {@link Mode#EXPLICIT}
       * @param enabled TRUE to select enabled components, FALSE returns disabled components
       * @return the profiles matching the supplied creation mode
       */
      public Profile[] getComponents( Mode mode )
      {
          Profile[] components = getComponents( );
          return selectComponentsByMode( components, mode );
      }
  
      /**
       * Returns a sub-set of the supplied containers matching the supplied creation mode.
       * @param components the compoennts to select from
       * @param mode the creation mode to retrict the returned selection to
       * @param the subset of the supplied components with a creation mode matching
       *   the supplied mode value
       */
      private Profile[] selectComponentsByMode( Profile[] components, Mode mode )
      {
          ArrayList list = new ArrayList();
          for( int i = 0; i < components.length; i++ )
          {
              Profile component = components[ i ];
              if( component.getMode().equals( mode ) )
              {
                  list.add( component );
              }
          }
          return (Profile[])list.toArray( new Profile[ 0 ] );
      }
  
      /**
       * Add a container profile to this container.
       *
       * @param containers the container profiles to add to the container
       */
      public void addContainers( ContainmentProfile[] containers )
      {
          for( int i=0; i<containers.length; i++ )
          {
              addContainer( containers[i] );
          }
      }
  
      /**
       * Add a container profile to this container.
       *
       * @param container the container profile to add to the container
       */
      public void addContainer( ContainmentProfile container )
      {
          if( !m_containers.contains( container ) )
          {
              m_containers.add( container );
          }
      }
  
      /**
       * Return the set of container descriptors contained within this container.
       *
       * @return the container descriptors
       */
      public ContainmentProfile[] getContainers()
      {
          return (ContainmentProfile[])m_containers.toArray( new ContainmentProfile[ 0 ] );
      }
  }
  
  
  

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