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Posted to cvs@avalon.apache.org by mc...@apache.org on 2002/11/18 11:59:29 UTC

cvs commit: jakarta-avalon-excalibur/assembly/src/java/org/apache/excalibur/assembly/profile UnknownProfileException.java ProfileSelector.java ProfileManager.java ProfileException.java package.html

mcconnell    2002/11/18 02:59:29

  Added:       assembly/src/java/org/apache/excalibur/assembly/profile
                        UnknownProfileException.java ProfileSelector.java
                        ProfileManager.java ProfileException.java
                        package.html
  Log:
  Addition of the first cut of the refactoring of the profile management system.
  This includes a clean seperation of a profile repository from the classloader
  through the defintion of a ProfileManager and default implemetation.
  
  Revision  Changes    Path
  1.1                  jakarta-avalon-excalibur/assembly/src/java/org/apache/excalibur/assembly/profile/UnknownProfileException.java
  
  Index: UnknownProfileException.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.excalibur.assembly.profile;
  
  import org.apache.avalon.framework.CascadingException;
  
  /**
   * Exception to indicate that a profile is unknown.
   *
   * @author <a href="mailto:mcconnell@apache.org">Stephen McConnell</a>
   * @version $Revision: 1.1 $ $Date: 2002/11/18 10:59:29 $
   */
  public final class UnknownProfileException
      extends CascadingException
  {
  
      /**
       * Construct a new <code>ApplianceException</code> instance.
       *
       * @param message The detail message for this exception.
       */
      public UnknownProfileException( final String message )
      {
          this( message, null );
      }
  
      /**
       * Construct a new <code>ApplianceException</code> instance.
       *
       * @param message The detail message for this exception.
       * @param throwable the root cause of the exception
       */
      public UnknownProfileException( final String message, final Throwable throwable )
      {
          super( message, throwable );
      }
  }
  
  
  
  
  1.1                  jakarta-avalon-excalibur/assembly/src/java/org/apache/excalibur/assembly/profile/ProfileSelector.java
  
  Index: ProfileSelector.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.excalibur.assembly.profile;
  
  import org.apache.excalibur.meta.model.Profile;
  
  /**
   * Interface implemented by a service selection implementation mechanism.  Classes
   * implementing the selector interface may be activated during the selection of
   * candidate service providers in an autom assembly process.  A selector my be
   * declared via inclusion a implemetation class nameed <code>&lt;service-type&gt;Selector</code>.
   * Alternatively, a component author may declare a selection class explicitly via a
   * service dependency attribute with the attribute name of <code>avalon:service.selector</code>.
   *
   * @author <a href="mailto:mcconnell@apache.org">Stephen McConnell</a>
   * @version $Revision: 1.1 $ $Date: 2002/11/18 10:59:29 $
   */
  public interface ProfileSelector
  {
  
      /**
       * Returns the preferred profile form an available selection of candidate provider profiles.
       * @param profiles the set of profiles of potential service providers
       * @return the preferred provider or null if no satisfactory provider can be established
       *    from the supplied profiles.
       */
      Profile select( Profile[] profiles );
  
  }
  
  
  
  1.1                  jakarta-avalon-excalibur/assembly/src/java/org/apache/excalibur/assembly/profile/ProfileManager.java
  
  Index: ProfileManager.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.excalibur.assembly.profile;
  
  import org.apache.avalon.framework.configuration.Configuration;
  import org.apache.excalibur.assembly.type.UnknownTypeException;
  import org.apache.excalibur.meta.model.Profile;
  import org.apache.excalibur.meta.info.Type;
  import org.apache.excalibur.meta.info.DependencyDescriptor;
  import org.apache.excalibur.meta.info.StageDescriptor;
  
  /**
   * A profile manager implemetation provides support for the creation, 
   * storage and retrival of component profiles.
   *
   * @author <a href="mailto:mcconnell@apache.org">Stephen McConnell</a>
   * @version $Revision: 1.1 $ $Date: 2002/11/18 10:59:29 $
   */
  public interface ProfileManager
  {
      /**
       * Programatically create a {@link Profile} instances from a 
       * supplied profile configuration fragment.  Clients using the 
       * create operation should register the profile with the manager
       * in order for the profile to be generally available.
       *
       * @param config the profile description
       * @return the profile
       * @exception Exception if an error occurs during profile creation
       * @see #register( Profile )
       */
       Profile create( Configuration config )
          throws Exception;
  
      /**
       * Register a programatically created component profile.
       *
       * @param type the component type
       * @return the set of profiles packaged with the type
       * @exception Exception if a failure occurs
       * @see #create( Configuration )
       */
      void register( Profile profile ) throws ProfileException;
  
      /**
       * Install a set of packaged profiles.  An implementation will create and verify 
       * the set of packaged profile instance relative to a supplied path.
       *
       * @param type the component type
       * @return the set of profiles packaged with the type
       * @exception Exception if a failure occurs
       */
      Profile[] install( Type type ) throws ProfileException;
  
      /**
       * Locate the set of {@link Profile} instances associated with the 
       * supplied implementation classname.
       * @return the profiles for the supplied classname.
       * @exception UnknownTypeException if a matching type cannot be found
       */
      Profile[] locate( Type type ) throws UnknownTypeException;
  
     /**
      * Locate a profile tied to a type capable of supporting a service 
      * referenced by a supplied dependency descriptor using a supplied selector.
      * @param a service depedency descriptor
      * @return a set of types capable of servicing the supplied dependency
      */
      Profile select( DependencyDescriptor dependency, ProfileSelector selector );
  
     /**
      * Locate a profile tied to a type capable of supporting an extension 
      * referenced by a supplied stage descriptor usign the a suplied selector.
      * @param service a service descriptor
      * @return a set of types that provide the supplied service
      */
      Profile select( StageDescriptor stage, ProfileSelector selector );
  
  }
  
  
  
  1.1                  jakarta-avalon-excalibur/assembly/src/java/org/apache/excalibur/assembly/profile/ProfileException.java
  
  Index: ProfileException.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.excalibur.assembly.profile;
  
  import org.apache.avalon.framework.CascadingException;
  
  /**
   * Exception to indicate that there was a profile related error.
   *
   * @author <a href="mailto:mcconnell@apache.org">Stephen McConnell</a>
   * @version $Revision: 1.1 $ $Date: 2002/11/18 10:59:29 $
   */
  public class ProfileException
      extends CascadingException
  {
  
      /**
       * Construct a new <code>ProfileException</code> instance.
       *
       * @param message The detail message for this exception.
       */
      public ProfileException( final String message )
      {
          this( message, null );
      }
  
      /**
       * Construct a new <code>ProfileException</code> instance.
       *
       * @param message The detail message for this exception.
       * @param throwable the root cause of the exception
       */
      public ProfileException( final String message, final Throwable throwable )
      {
          super( message, throwable );
      }
  }
  
  
  
  
  1.1                  jakarta-avalon-excalibur/assembly/src/java/org/apache/excalibur/assembly/profile/package.html
  
  Index: package.html
  ===================================================================
  
  <body>
  <p>
  The <code>profile</code> package contains classes and interfaces for the {@link org.apache.excalibur.assembly.profile.ProfileManager} and related default implementations supporting the management of a repository of profiles.
  </p>
  </body>
  
  
  

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