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Posted to cvs@avalon.apache.org by bl...@apache.org on 2002/09/24 16:32:33 UTC

cvs commit: jakarta-avalon-excalibur/fortress/src/java/org/apache/excalibur/fortress/util StaticAssemblyMap.java

bloritsch    2002/09/24 07:32:33

  Added:       fortress/src/java/org/apache/excalibur/fortress/util
                        StaticAssemblyMap.java
  Log:
  add acratchings for StaticAssemblyMap--it is not functional, but it compiles at least
  
  Revision  Changes    Path
  1.1                  jakarta-avalon-excalibur/fortress/src/java/org/apache/excalibur/fortress/util/StaticAssemblyMap.java
  
  Index: StaticAssemblyMap.java
  ===================================================================
  /*
  
   ============================================================================
                     The Apache Software License, Version 1.1
   ============================================================================
  
   Copyright (C) @year@ The Apache Software Foundation. All rights reserved.
  
   Redistribution and use in source and binary forms, with or without modifica-
   tion, 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", "Excalibur" 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 (INCLU-
   DING, 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.excalibur.fortress.util;
  
  import org.apache.excalibur.meta.info.*;
  import org.apache.avalon.framework.context.*;
  import org.apache.avalon.framework.configuration.*;
  import org.apache.avalon.framework.logger.*;
  import org.apache.avalon.framework.Version;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.Iterator;
  import java.util.List;
  import java.util.Map;
  import java.util.Properties;
  
  
  /**
   * The AssemblyMap takes care of the mapping logic for the assembly files.  The
   * assembly file format is the same for all AssemblyMaps to allow for a system
   * to upgrade from static mapping (where all mappings *must* be provided) to
   * dynmic mapping (where a mapping will be generated if it does not exist).
   */
  public class StaticAssemblyMap
      extends AbstractLogEnabled
      implements AssemblyMap, Configurable, Contextualizable
  {
      private Map m_types;
      private Map m_services;
      private final Map m_serviceMap;
      private final Map m_typeMap;
      private final Map m_nameMap;
      private final List m_requiredServices;
  
      public StaticAssemblyMap()
      {
          m_serviceMap = new HashMap();
          m_typeMap = new HashMap();
          m_nameMap = new HashMap();
          m_requiredServices = new ArrayList();
      }
  
      public void contextualize( Context context )
          throws ContextException
      {
          m_services = (Map) context.get("available-services");
          m_types = (Map) context.get("available-types");
  
          Iterator it = m_services.values().iterator();
          while ( it.hasNext() )
          {
              m_serviceMap.put( it.next(), new ArrayList() );
          }
  
          it = m_types.values().iterator();
          while ( it.hasNext() )
          {
              Type type = (Type) it.next();
              ServiceDescriptor[] serviceDescriptors = type.getServices();
  
              for (int i = 0; i < serviceDescriptors.length; i++ )
              {
                  List typeList = (List) m_serviceMap.get( serviceDescriptors[i].getReference() );
  // DEBUG
  System.out.println( typeList );
                  typeList.add( type );
              }
          }
      }
  
      public void configure( Configuration config )
          throws ConfigurationException
      {
          Configuration[] components = config.getChildren( "component" );
          Configuration[] requiredServices = config.getChildren( "required-service" );
  
          for (int i = 0; i < components.length; i++ )
          {
              String name = components[i].getAttribute( "name" );
              String klass = components[i].getAttribute( "class" );
              m_nameMap.put( name, klass );
              m_nameMap.put( klass, name );
  
              Type type = (Type) m_types.get( klass ); // I need to make it a Class
  
              Configuration[] supplied = components[i].getChildren( "supply" );
              List typeList = new ArrayList( supplied.length );
              m_typeMap.put( type, typeList );
  
              for (int s = 0; s < supplied.length; s++)
              {
                  typeList.add( supplied[s].getAttribute( "name" ) );
              }
          }
  
          for (int i = 0; i < requiredServices.length; i++ )
          {
              Configuration serviceConfig = requiredServices[i].getChild( "service" );
              String className = serviceConfig.getAttribute( "name" );
              Version version = Version
                          .getVersion( serviceConfig.getAttribute( "version" ) );
  
              Properties attributes = new Properties();
              Configuration[] attrs = requiredServices[i].getChild( "attributes" )
                                                      .getChildren( "attribute" );
  
              for ( int at = 0; at < attrs.length; at++ )
              {
                  attributes.setProperty( attrs[at].getAttribute( "name" ),
                                          attrs[at].getAttribute( "value" )
                  );
              }
  
              ReferenceDescriptor service = new ReferenceDescriptor( className, version );
              String role = service.getClassname();
              DependencyDescriptor descriptor = new DependencyDescriptor(
                  role, service, false, attributes
              );
  
              m_requiredServices.add( descriptor );
          }
      }
  
      /**
       * Get the name that this particular Type is bound to for a configuration
       * file.  It assists in "self-healing" configuration files.
       */
      public String getNameForType( Type component )
      {
          return (String) m_nameMap.get( component.getInfo().getImplementationKey() );
      }
  
      /**
       * Get the Type boud to a particular name for a configuration file.  It
       * assists in "self-healing" configuration files.
       */
      public Type getTypeForName( String name )
      {
          throw new UnsupportedOperationException();
      }
  
      /**
       * Get the Type that is mapped to a particular DependencyDescriptor for a
       * particular Type.  It helps the AssemblyMap return the proper Type
       * reference for the dependency since different components may have different
       * mappings.
       */
      public Type getMappedType( DependencyDescriptor dependency, Type forType )
      {
          throw new UnsupportedOperationException();
      }
  
      /**
       * Get the Type that is mapped to a particular DependencyDescriptor.
       */
      public Type getMappedType( DependencyDescriptor dependency )
      {
          throw new UnsupportedOperationException();
      }
  
      /**
       * Get the array of DependencyDescriptors that are required to make a system
       * work.  They are made to evaluate the system once the components are loaded.
       * If any of the required services are not loaded, we can use the
       * DependencyDescriptor to find the best solution.
       */
      public DependencyDescriptor[] getRequiredServices()
      {
          throw new UnsupportedOperationException();
      }
  }
  
  
  

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