mcconnell 2003/01/08 19:58:27
Modified: assembly/src/java/org/apache/avalon/assembly/engine
EngineClassLoader.java
assembly/src/java/org/apache/avalon/assembly/lifecycle
DefaultAssemblyService.java
assembly/src/java/org/apache/avalon/assembly/lifecycle/context
DefaultContextManager.java
DefaultContextualizationService.java
assembly/src/test/org/apache/avalon/playground/basic
BasicComponent.xinfo
Log:
Updates to the contextualization strategy.
Revision Changes Path
1.22 +3 -3
avalon-sandbox/assembly/src/java/org/apache/avalon/assembly/engine/EngineClassLoader.java
Index: EngineClassLoader.java
===================================================================
RCS file:
/home/cvs/avalon-sandbox/assembly/src/java/org/apache/avalon/assembly/engine/EngineClassLoader.java,v
retrieving revision 1.21
retrieving revision 1.22
diff -u -r1.21 -r1.22
--- EngineClassLoader.java 8 Jan 2003 21:21:40 -0000 1.21
+++ EngineClassLoader.java 9 Jan 2003 03:58:26 -0000 1.22
@@ -804,9 +804,9 @@
}
/**
- * Register a type and associated profiles with the container.
+ * Register a type and associated profiles with the engine.
* @param path the path to the appliance implementation class
- * @return the appliance
+ * @exception EngineRuntimeException if a registration error occurs
*/
public void register( String path ) throws EngineRuntimeException
{
1.4 +4 -4
avalon-sandbox/assembly/src/java/org/apache/avalon/assembly/lifecycle/DefaultAssemblyService.java
Index: DefaultAssemblyService.java
===================================================================
RCS file:
/home/cvs/avalon-sandbox/assembly/src/java/org/apache/avalon/assembly/lifecycle/DefaultAssemblyService.java,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -r1.3 -r1.4
--- DefaultAssemblyService.java 21 Dec 2002 03:28:37 -0000 1.3
+++ DefaultAssemblyService.java 9 Jan 2003 03:58:26 -0000 1.4
@@ -277,7 +277,7 @@
visited.add( appliance );
ContextDescriptor context = appliance.getType().getContext();
- String ext = context.getAttribute(
"urn:assembly:lifecycle.context.extension" );
+ String ext = context.getAttribute(
"urn:assembly:lifecycle.context.strategy" );
if(( ext != null ) && ( appliance.getContextProvider() == null ))
{
final String message = "resolving context handler for: " + appliance ;
@@ -303,7 +303,7 @@
if( supplier == null )
{
final String error =
- "Unresolved context handler: "
+ "Unresolved context strategy handler: "
+ ext + " in appliance: " + appliance;
appliance.setEnabled( false );
final Exception problem = new Exception( error );
@@ -314,7 +314,7 @@
appliance.setContextProvider( supplier );
map.add( supplier );
getLogger().debug(
- "assigning context handler: " + supplier
+ "assigning context strategy handler: " + supplier
+ " to: " + appliance );
}
}
1.2 +5 -5
avalon-sandbox/assembly/src/java/org/apache/avalon/assembly/lifecycle/context/DefaultContextManager.java
Index: DefaultContextManager.java
===================================================================
RCS file:
/home/cvs/avalon-sandbox/assembly/src/java/org/apache/avalon/assembly/lifecycle/context/DefaultContextManager.java,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- DefaultContextManager.java 19 Dec 2002 10:42:24 -0000 1.1
+++ DefaultContextManager.java 9 Jan 2003 03:58:26 -0000 1.2
@@ -64,20 +64,20 @@
import org.apache.avalon.assembly.appliance.Appliance;
/**
- * Definition of an extension handler that handles the Contextualization
+ * Definition of an strategy handler that handles the Contextualization
* process. This implementation is provided as a template for alternative
* context handlers. The requirements for introduction of an alternative
* handler include:
* <ul>
- * <li>A class implementing the {@link Contextualization} interface.</li>
+ * <li>A class implementing the {@link Contextualization} handler interface.</li>
* <li>Declaration in the classes xinfo of the extension type where the
* type attribute value is a version interface reference corresponding
* to the interface that the target component must implement.</li>
* <li>Declaration by the target component in it's xinfo atttributes
* of the criteria for a custom context handler under the attribute
- * key "urn:assembly:lifecycle.context.extension" and value
- * corresponding to the extension type value. </li>
- * <li>Implementation of the extension type interface by the target
+ * key "urn:assembly:lifecycle.context.strategy" and value
+ * corresponding to the strategy type. </li>
+ * <li>Implementation of the strategy type interface by the target
* component.</li>
* </ul>
*
1.10 +34 -18
avalon-sandbox/assembly/src/java/org/apache/avalon/assembly/lifecycle/context/DefaultContextualizationService.java
Index: DefaultContextualizationService.java
===================================================================
RCS file:
/home/cvs/avalon-sandbox/assembly/src/java/org/apache/avalon/assembly/lifecycle/context/DefaultContextualizationService.java,v
retrieving revision 1.9
retrieving revision 1.10
diff -u -r1.9 -r1.10
--- DefaultContextualizationService.java 21 Dec 2002 09:26:34 -0000 1.9
+++ DefaultContextualizationService.java 9 Jan 2003 03:58:26 -0000 1.10
@@ -102,7 +102,6 @@
if( context != null )
{
-
Appliance provider = appliance.getContextProvider();
//
@@ -135,31 +134,48 @@
}
//
- // otherwise, its classic contextulization
+ // otherwise, its classic Avalon contextulization
//
- try
+ if( object instanceof Contextualizable )
{
- ((Contextualizable)object).contextualize( context );
+ try
+ {
+ ((Contextualizable)object).contextualize( context );
+ }
+ catch( ContextException e )
+ {
+ //
+ // this could be improved if the framework ContextException
+ // held the context key that the client is accessing
+ //
+
+ final String error =
+ "Target component is requesting a context entry that has not
been declared."
+ + " Please check component xinfo descriptor context criteria
in type: "
+ + appliance.getType();
+ throw new ContextException( error, e );
+ }
+ catch( Throwable e )
+ {
+ final String error =
+ "Unexpected exception during contextualization of target: " +
appliance;
+ throw new ContextException( error, e );
+ }
}
- catch( ContextException e )
+ else
{
//
- // this could be improved if the framework ContextException
- // held the context key that the client is accessing
+ // the appliance has established a context argument for classic
Avalon
+ // contextualization but the target object does not implement the
+ // Avalon Contextualization interface
//
final String error =
- "Target component is requesting a context entry that has not been
declared."
- + " Please check component xinfo descriptor context criteria in
type: "
- + appliance.getType();
- throw new ContextException( error, e );
- }
- catch( Throwable e )
- {
- final String error =
- "Unexpected exception during contextualization of target: " +
appliance;
- throw new ContextException( error, e );
+ "Appliance "
+ + appliance
+ + " is handling an object that is declaring a contextualization
dependency but does not implement the Avalon Contextualization interface.";
+ throw new ContextException( error );
}
}
}
1.2 +1 -1
avalon-sandbox/assembly/src/test/org/apache/avalon/playground/basic/BasicComponent.xinfo
Index: BasicComponent.xinfo
===================================================================
RCS file:
/home/cvs/avalon-sandbox/assembly/src/test/org/apache/avalon/playground/basic/BasicComponent.xinfo,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- BasicComponent.xinfo 19 Dec 2002 10:46:17 -0000 1.1
+++ BasicComponent.xinfo 9 Jan 2003 03:58:27 -0000 1.2
@@ -21,7 +21,7 @@
<context type="org.apache.avalon.playground.basic.BasicContext">
<attributes>
- <attribute key="urn:assembly:lifecycle.context.extension"
+ <attribute key="urn:assembly:lifecycle.context.strategy"
value="org.apache.avalon.framework.context.Contextualizable:4.1"/>
</attributes>
<entry key="location"/>
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