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From cziege...@apache.org
Subject cvs commit: cocoon-2.1/src/blocks/portal/java/org/apache/cocoon/components/persistance RequestDataStoreImpl.java RequestDataStore.java
Date Wed, 20 Aug 2003 07:34:37 GMT
cziegeler    2003/08/20 00:34:37

  Modified:    src/blocks/portal/java/org/apache/cocoon/portal/impl
                        PortalServiceImpl.java
               src/blocks/portal/conf portal.xconf
  Added:       src/blocks/portal/java/org/apache/cocoon/portal/impl
                        PortalServiceInfo.java
               src/blocks/portal/java/org/apache/cocoon/components/persistance
                        RequestDataStoreImpl.java RequestDataStore.java
  Log:
  Removing use of RequestLifecycleComponent
  Adding new request data store instead
  
  Revision  Changes    Path
  1.7       +38 -85    cocoon-2.1/src/blocks/portal/java/org/apache/cocoon/portal/impl/PortalServiceImpl.java
  
  Index: PortalServiceImpl.java
  ===================================================================
  RCS file: /home/cvs/cocoon-2.1/src/blocks/portal/java/org/apache/cocoon/portal/impl/PortalServiceImpl.java,v
  retrieving revision 1.6
  retrieving revision 1.7
  diff -u -r1.6 -r1.7
  --- PortalServiceImpl.java	18 Jul 2003 14:41:46 -0000	1.6
  +++ PortalServiceImpl.java	20 Aug 2003 07:34:36 -0000	1.7
  @@ -50,11 +50,12 @@
   */
   package org.apache.cocoon.portal.impl;
   
  -import java.io.IOException;
  -import java.util.*;
  +import java.util.HashMap;
  +import java.util.Iterator;
  +import java.util.Map;
   
  -import org.apache.avalon.excalibur.pool.Recyclable;
   import org.apache.avalon.framework.activity.Disposable;
  +import org.apache.avalon.framework.component.Component;
   import org.apache.avalon.framework.component.ComponentException;
   import org.apache.avalon.framework.component.ComponentManager;
   import org.apache.avalon.framework.component.Composable;
  @@ -66,22 +67,16 @@
   import org.apache.avalon.framework.context.ContextException;
   import org.apache.avalon.framework.context.Contextualizable;
   import org.apache.avalon.framework.logger.AbstractLogEnabled;
  -import org.apache.cocoon.ProcessingException;
  -import org.apache.cocoon.components.RequestLifecycleComponent;
  -import org.apache.cocoon.environment.ObjectModelHelper;
  -import org.apache.cocoon.environment.Session;
  -import org.apache.cocoon.environment.SourceResolver;
  -import org.apache.cocoon.portal.Constants;
  +import org.apache.avalon.framework.thread.ThreadSafe;
  +import org.apache.cocoon.components.ContextHelper;
  +import org.apache.cocoon.components.persistance.RequestDataStore;
   import org.apache.cocoon.portal.PortalComponentManager;
   import org.apache.cocoon.portal.PortalService;
  -import org.xml.sax.SAXException;
   
   /**
    * Default implementation of a portal service using a session to store
    * custom information.
    * 
  - * TODO: Make this ThreadSafe
  - * 
    * @author <a href="mailto:cziegeler@s-und-n.de">Carsten Ziegeler</a>
    * @author <a href="mailto:volker.schmitt@basf-it-services.com">Volker Schmitt</a>
    * 
  @@ -90,129 +85,82 @@
   public class PortalServiceImpl
       extends AbstractLogEnabled
       implements Composable,
  -                RequestLifecycleComponent, 
  +                ThreadSafe, 
                   PortalService, 
                   Contextualizable,
  -                Recyclable,
                   Disposable,
                   Configurable {
   
       protected Context context;
       
  -    protected Map objectModel;
  -   
  -    protected Map temporaryAttributes = new HashMap();
  -    
       protected ComponentManager manager;
   
  -    protected String portalName;
  -
  -    protected String attributePrefix;
  +    protected Map portalComponentManagers = new HashMap();
       
  -    protected PortalComponentManager portalComponentManager;
  +    protected RequestDataStore dataStore;
       
  -    protected Map portalComponentManagers = new HashMap();
  +    final protected String key = this.getClass().getName();
       
       public void compose(ComponentManager componentManager) throws ComponentException {
           this.manager = componentManager;
  +        this.dataStore = (RequestDataStore) this.manager.lookup(RequestDataStore.ROLE);
       }
   
  -
  -    public void setup(SourceResolver resolver, Map objectModel) throws ProcessingException,
SAXException, IOException {
  -        this.objectModel = objectModel;
  -
  -		Map context = (Map)objectModel.get(ObjectModelHelper.PARENT_CONTEXT);
  -		if (context != null) {
  -			String portalName = (String)context.get(Constants.PORTAL_NAME_KEY);
  -			if (portalName != null) {
  -                this.setPortalName(portalName);
  -			}
  -		}
  +    protected PortalServiceInfo getInfo() {
  +        PortalServiceInfo info = (PortalServiceInfo) this.dataStore.getRequestData(this.key);
  +        if ( info == null ) {
  +            info = new PortalServiceInfo();
  +            info.setup(ContextHelper.getObjectModel(this.context), this.portalComponentManagers);
  +            this.dataStore.setRequestData(this.key, info);
  +        }
  +        return info;
       }
  -
  +    
       public String getPortalName() {
  -        return this.portalName;
  +        return this.getInfo().getPortalName();
       }
   
       public void setPortalName(String value) {
  -        this.portalName = value;
  -        this.attributePrefix = this.getClass().getName() + '/' + this.portalName + '/';
  -        this.portalComponentManager = (PortalComponentManager) this.portalComponentManagers.get(this.portalName);
  -        if ( this.portalComponentManager == null ) {
  -            throw new RuntimeException("Portal '"+this.portalName+"' is not configured.");
  -        }
  -    }
  -
  -    /* (non-Javadoc)
  -     * @see org.apache.avalon.excalibur.pool.Recyclable#recycle()
  -     */
  -    public void recycle() {
  -        this.portalName = null;
  -        this.temporaryAttributes.clear();
  -        this.portalComponentManager = null;
  +        this.getInfo().setPortalName(value);
       }
   
       public Object getAttribute(String key) {
  -        final Session session = ObjectModelHelper.getRequest(this.objectModel).getSession(false);
  -        if (session == null) {
  -            return null;
  -        }
  -        return session.getAttribute( this.attributePrefix + key);
  +        return this.getInfo().getAttribute(key);
       }
   
       public void setAttribute(String key, Object value) {
  -        final Session session = ObjectModelHelper.getRequest(this.objectModel).getSession();
  -        session.setAttribute( this.attributePrefix + key, value);
  +        this.getInfo().setAttribute(key, value);
       }
   
       public void removeAttribute(String key) {
  -        final Session session = ObjectModelHelper.getRequest(this.objectModel).getSession(false);
  -        if ( session != null ) {
  -            session.removeAttribute( this.attributePrefix + key);
  -        }
  +        this.getInfo().removeAttribute(key);
       }
   
       public Iterator getAttributeNames() {
  -        final Session session = ObjectModelHelper.getRequest(this.objectModel).getSession(false);
  -        if ( session != null ) {
  -            List names = new ArrayList();
  -            Enumeration e = session.getAttributeNames();
  -            final int pos = this.attributePrefix.length() + 1;
  -            if ( e != null ) {
  -                while ( e.hasMoreElements() ) {
  -                    final String name = (String)e.nextElement();
  -                    if ( name.startsWith( this.attributePrefix )) {
  -                        names.add( name.substring( pos ) );
  -                    }
  -                }
  -            }
  -            return names.iterator();
  -        }
  -        return Collections.EMPTY_MAP.keySet().iterator();
  +        return this.getInfo().getAttributeNames();
       }
   
       public Object getTemporaryAttribute(String key) {
  -        return this.temporaryAttributes.get( key );
  +        return this.getInfo().getTemporaryAttribute(key);
       }
       
       public void setTemporaryAttribute(String key, Object value) {
  -        this.temporaryAttributes.put( key, value );
  +        this.getInfo().setTemporaryAttribute(key, value);
       }
       
       public void removeTemporaryAttribute(String key) {
  -        this.temporaryAttributes.remove( key );
  +        this.getInfo().removeTemporaryAttribute(key);
       }
       
       public Iterator getTemporaryAttributeNames() {
  -        return this.temporaryAttributes.keySet().iterator();
  +        return this.getInfo().getTemporaryAttributeNames();
       }
   
  -
       /**
        * Return the component manager for the current portal
        */
       public PortalComponentManager getComponentManager() {
  -        return this.portalComponentManager;
  +        return this.getInfo().getComponentManager();
       }
   
       /* (non-Javadoc)
  @@ -226,6 +174,11 @@
        * @see org.apache.avalon.framework.activity.Disposable#dispose()
        */
       public void dispose() {
  +        if ( this.manager != null ) {
  +            this.manager.release( (Component)this.dataStore );
  +            this.manager = null;
  +            this.dataStore = null;
  +        }
           final Iterator i = this.portalComponentManagers.values().iterator();
           while ( i.hasNext() ) {
               ContainerUtil.dispose( i.next() );
  
  
  
  1.1                  cocoon-2.1/src/blocks/portal/java/org/apache/cocoon/portal/impl/PortalServiceInfo.java
  
  Index: PortalServiceInfo.java
  ===================================================================
  /*
  
   ============================================================================
                     The Apache Software License, Version 1.1
   ============================================================================
  
   Copyright (C) 1999-2002 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 "Apache Cocoon" 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 and was  originally created by
   Stefano Mazzocchi  <stefano@apache.org>. For more  information on the Apache
   Software Foundation, please see <http://www.apache.org/>.
  
  */
  package org.apache.cocoon.portal.impl;
  
  import java.util.*;
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.Enumeration;
  import java.util.Iterator;
  import java.util.List;
  import java.util.Map;
  
  import org.apache.cocoon.environment.ObjectModelHelper;
  import org.apache.cocoon.environment.Session;
  import org.apache.cocoon.portal.Constants;
  import org.apache.cocoon.portal.PortalComponentManager;
  
  /**
   * The portal information for the current request
   * 
   * @author <a href="mailto:cziegeler@s-und-n.de">Carsten Ziegeler</a>
   * 
   * @version CVS $Id: PortalServiceInfo.java,v 1.1 2003/08/20 07:34:36 cziegeler Exp $
   */
  public class PortalServiceInfo {
      
      private Map portalComponentManagers;
  
      private Map objectModel;
  
      protected Map temporaryAttributes = new HashMap();
      
      protected String portalName;
  
      protected String attributePrefix;
      
      protected PortalComponentManager portalComponentManager;
      
      public void setup(Map objectModel, Map managers) {
          this.objectModel = objectModel;
          this.portalComponentManagers = managers;
  		Map context = (Map)objectModel.get(ObjectModelHelper.PARENT_CONTEXT);
  		if (context != null) {
  			String portalName = (String)context.get(Constants.PORTAL_NAME_KEY);
  			if (portalName != null) {
                  this.setPortalName(portalName);
  			}
  		}
      }
  
      public String getPortalName() {
          return this.portalName;
      }
  
      public void setPortalName(String value) {
          this.portalName = value;
          this.attributePrefix = this.getClass().getName() + '/' + this.portalName + '/';
          this.portalComponentManager = (PortalComponentManager) this.portalComponentManagers.get(this.portalName);
          if ( this.portalComponentManager == null ) {
              throw new RuntimeException("Portal '"+this.portalName+"' is not configured.");
          }
      }
  
      public Object getAttribute(String key) {
          final Session session = ObjectModelHelper.getRequest(this.objectModel).getSession(false);
          if (session == null) {
              return null;
          }
          return session.getAttribute( this.attributePrefix + key);
      }
  
      public void setAttribute(String key, Object value) {
          final Session session = ObjectModelHelper.getRequest(this.objectModel).getSession();
          session.setAttribute( this.attributePrefix + key, value);
      }
  
      public void removeAttribute(String key) {
          final Session session = ObjectModelHelper.getRequest(this.objectModel).getSession(false);
          if ( session != null ) {
              session.removeAttribute( this.attributePrefix + key);
          }
      }
  
      public Iterator getAttributeNames() {
          final Session session = ObjectModelHelper.getRequest(this.objectModel).getSession(false);
          if ( session != null ) {
              List names = new ArrayList();
              Enumeration e = session.getAttributeNames();
              final int pos = this.attributePrefix.length() + 1;
              if ( e != null ) {
                  while ( e.hasMoreElements() ) {
                      final String name = (String)e.nextElement();
                      if ( name.startsWith( this.attributePrefix )) {
                          names.add( name.substring( pos ) );
                      }
                  }
              }
              return names.iterator();
          }
          return Collections.EMPTY_MAP.keySet().iterator();
      }
  
      public Object getTemporaryAttribute(String key) {
          return this.temporaryAttributes.get( key );
      }
      
      public void setTemporaryAttribute(String key, Object value) {
          this.temporaryAttributes.put( key, value );
      }
      
      public void removeTemporaryAttribute(String key) {
          this.temporaryAttributes.remove( key );
      }
      
      public Iterator getTemporaryAttributeNames() {
          return this.temporaryAttributes.keySet().iterator();
      }
  
      /**
       * Return the component manager for the current portal
       */
      public PortalComponentManager getComponentManager() {
          return this.portalComponentManager;
      }
  
  }
  
  
  
  1.23      +1 -0      cocoon-2.1/src/blocks/portal/conf/portal.xconf
  
  Index: portal.xconf
  ===================================================================
  RCS file: /home/cvs/cocoon-2.1/src/blocks/portal/conf/portal.xconf,v
  retrieving revision 1.22
  retrieving revision 1.23
  diff -u -r1.22 -r1.23
  --- portal.xconf	29 Jul 2003 06:52:15 -0000	1.22
  +++ portal.xconf	20 Aug 2003 07:34:36 -0000	1.23
  @@ -82,4 +82,5 @@
    <component class="org.apache.cocoon.portal.profile.impl.MapProfileLS" role="org.apache.cocoon.portal.profile.ProfileLS"
/>
   
    <component class="org.apache.cocoon.components.variables.DefaultVariableResolverFactory"
role="org.apache.cocoon.components.variables.VariableResolverFactory" />
  + <component class="org.apache.cocoon.components.persistance.RequestDataStoreImpl" role="org.apache.cocoon.components.persistance.RequestDataStore"
/>
   </xconf>
  
  
  
  1.1                  cocoon-2.1/src/blocks/portal/java/org/apache/cocoon/components/persistance/RequestDataStoreImpl.java
  
  Index: RequestDataStoreImpl.java
  ===================================================================
  /*
  
   ============================================================================
                     The Apache Software License, Version 1.1
   ============================================================================
  
   Copyright (C) 1999-2003 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 "Apache Cocoon" 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 and was  originally created by
   Stefano Mazzocchi  <stefano@apache.org>. For more  information on the Apache
   Software Foundation, please see <http://www.apache.org/>.
  
  */
  package org.apache.cocoon.components.persistance;
  
  import java.util.HashMap;
  import java.util.Map;
  
  import org.apache.avalon.framework.component.Component;
  import org.apache.avalon.framework.context.Context;
  import org.apache.avalon.framework.context.ContextException;
  import org.apache.avalon.framework.context.Contextualizable;
  import org.apache.avalon.framework.logger.AbstractLogEnabled;
  import org.apache.avalon.framework.thread.ThreadSafe;
  import org.apache.cocoon.components.ContextHelper;
  import org.apache.cocoon.environment.ObjectModelHelper;
  
  /**
   * 
   * @author <a href="mailto:cziegeler@s-und-n.de">Carsten Ziegeler</a>
   * 
   * @version CVS $Id: RequestDataStoreImpl.java,v 1.1 2003/08/20 07:34:36 cziegeler Exp $
   */
  public class RequestDataStoreImpl
      extends AbstractLogEnabled
      implements Component, ThreadSafe, RequestDataStore, Contextualizable {
          
      protected Context context;
  
      protected String requestDataKey;
      
      protected String globalRequestDataKey;
  
      /* (non-Javadoc)
       * @see org.apache.avalon.framework.context.Contextualizable#contextualize(org.apache.avalon.framework.context.Context)
       */
      public void contextualize(Context context) throws ContextException {
          this.context = context;
          this.requestDataKey = this.getClass().getName() + "/RD";
          this.globalRequestDataKey = this.getClass().getName() + "/GRD";
      }
  
      /* (non-Javadoc)
       * @see org.apache.cocoon.components.persistance.RequestDataStore#getGlobalRequestData(java.lang.String)
       */
      public Object getGlobalRequestData(String key) {
          Object value = null;
          final Map objectModel = (Map)ContextHelper.getObjectModel(this.context);
          Map m = (Map)objectModel.get(this.globalRequestDataKey);
          if ( m != null ) {
              value = m.get( key );
          }
          return value;
      }
  
      /* (non-Javadoc)
       * @see org.apache.cocoon.components.persistance.RequestDataStore#getRequestData(java.lang.String)
       */
      public Object getRequestData(String key) {
          Object value = null;
          final Map objectModel = (Map)ContextHelper.getObjectModel(this.context);
          Map m = (Map)objectModel.get(this.requestDataKey + ObjectModelHelper.getRequest(objectModel).hashCode());
          if ( m != null ) {
              value = m.get( key );
          }
          return value;
      }
  
      /* (non-Javadoc)
       * @see org.apache.cocoon.components.persistance.RequestDataStore#removeGlobalRequestData(java.lang.String)
       */
      public void removeGlobalRequestData(String key) {
          final Map objectModel = (Map)ContextHelper.getObjectModel(this.context);
          Map m = (Map)objectModel.get(this.globalRequestDataKey);
          if ( m != null ) {
              objectModel.remove( key );
          }
      }
  
      /* (non-Javadoc)
       * @see org.apache.cocoon.components.persistance.RequestDataStore#removeRequestData(java.lang.String)
       */
      public void removeRequestData(String key) {
          final Map objectModel = (Map)ContextHelper.getObjectModel(this.context);
          Map m = (Map)objectModel.get(this.requestDataKey + ObjectModelHelper.getRequest(objectModel).hashCode());
          if ( m != null ) {
              objectModel.remove( key );
          }
      }
  
      /* (non-Javadoc)
       * @see org.apache.cocoon.components.persistance.RequestDataStore#setGlobalRequestData(java.lang.String,
java.lang.Object)
       */
      public void setGlobalRequestData(String key, Object value) {
          final Map objectModel = (Map)ContextHelper.getObjectModel(this.context);
          Map m = (Map)objectModel.get(this.globalRequestDataKey);
          if ( m == null ) {
              m = new HashMap();
              objectModel.put(this.globalRequestDataKey, m);
          }
          m.put(key, value);
      }
  
      /* (non-Javadoc)
       * @see org.apache.cocoon.components.persistance.RequestDataStore#setRequestData(java.lang.String,
java.lang.Object)
       */
      public void setRequestData(String key, Object value) {
          final Map objectModel = (Map)ContextHelper.getObjectModel(this.context);
          Map m = (Map)objectModel.get(this.requestDataKey + ObjectModelHelper.getRequest(objectModel).hashCode());
          if ( m == null ) {
              m = new HashMap();
              objectModel.put(this.requestDataKey + ObjectModelHelper.getRequest(objectModel).hashCode(),
m);
          }
          m.put(key, value);
      }
  
  }
  
  
  
  1.1                  cocoon-2.1/src/blocks/portal/java/org/apache/cocoon/components/persistance/RequestDataStore.java
  
  Index: RequestDataStore.java
  ===================================================================
  /*
  
   ============================================================================
                     The Apache Software License, Version 1.1
   ============================================================================
  
   Copyright (C) 1999-2003 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 "Apache Cocoon" 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 and was  originally created by
   Stefano Mazzocchi  <stefano@apache.org>. For more  information on the Apache
   Software Foundation, please see <http://www.apache.org/>.
  
  */
  package org.apache.cocoon.components.persistance;
  
  
  /**
   * 
   * @author <a href="mailto:cziegeler@s-und-n.de">Carsten Ziegeler</a>
   * 
   * @version CVS $Id: RequestDataStore.java,v 1.1 2003/08/20 07:34:36 cziegeler Exp $
   */
  public interface RequestDataStore {
          
      String ROLE = RequestDataStore.class.getName();
      
      Object getRequestData(String key);
  
      void removeRequestData(String key);
  
      void setRequestData(String key, Object value);
  
      Object getGlobalRequestData(String key);
  
      void removeGlobalRequestData(String key);
  
      void setGlobalRequestData(String key, Object value);
  }
  
  
  

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