mcconnell 2002/12/19 22:38:19
Modified: assembly/src/java/org/apache/avalon/assembly/lifecycle
ContextHandler.java
assembly/src/java/org/apache/avalon/assembly/lifecycle/context
DefaultContextualizationService.java
assembly/src/java/org/apache/avalon/assembly/lifecycle/disposal
ExtendedDisposalService.java
assembly/src/java/org/apache/avalon/assembly/lifecycle/initialization
ExtendedInitializationService.java
assembly/src/java/org/apache/avalon/assembly/lifestyle
AbstractLifestyleHandler.java
Log:
Updates concerning context handling.
Revision Changes Path
1.8 +32 -7
avalon-sandbox/assembly/src/java/org/apache/avalon/assembly/lifecycle/ContextHandler.java
Index: ContextHandler.java
===================================================================
RCS file:
/home/cvs/avalon-sandbox/assembly/src/java/org/apache/avalon/assembly/lifecycle/ContextHandler.java,v
retrieving revision 1.7
retrieving revision 1.8
diff -u -r1.7 -r1.8
--- ContextHandler.java 19 Dec 2002 10:40:06 -0000 1.7
+++ ContextHandler.java 20 Dec 2002 06:38:18 -0000 1.8
@@ -228,21 +228,22 @@
{
ContextDescriptor descriptor =
appliance.getProfile().getType().getContext();
ContextDirective directive = appliance.getProfile().getContext();
- return buildContext( descriptor, directive, context );
+ return buildContext( appliance, descriptor, directive, context );
}
/**
* Internal utility to construct a context instance using a descriptor,
directive and source
* context instances.
*
- * @param appliance the apliance containing the context dependency declarations
+ * @param appliance the appliance containing the context dependency declarations
* @param context a supplimentary context object to used during value resolution
- * @return a context object containing only those context entries desribed
under the
+ * @return a context object containing only those context entries required
under the
* supplied descriptor
* @exception Exception if a required context value cannot be resolved or an
error
* occurs during context value creation
*/
- protected Context buildContext( ContextDescriptor descriptor, ContextDirective
directive, Context context )
+ protected Context buildContext(
+ Appliance appliance, ContextDescriptor descriptor, ContextDirective
directive, Context context )
throws Exception
{
if( !m_initialized )
@@ -253,6 +254,12 @@
Map map = new HashMap();
Context result;
+ //
+ // check for meta-data about how to create a specialized context type
+ // and if its present then create it using the standard constructor
+ // pattern otherwise use the DefaultContext implementation
+ //
+
if( directive != null )
{
final String classname = directive.getClassname();
@@ -299,9 +306,20 @@
result = new DefaultContext( map );
}
+ //
+ // the context object has been constructed and not we need to populate it
based
+ // on the context criteria declared by the component type
+ //
+
EntryDescriptor[] entries = getMergedEntries( descriptor );
getLogger().debug( "context " + descriptor + " contains " + entries.length
+ "entries" );
+ //
+ // the above list of enties contains the entries explicity declared by the
+ // component in its xinfo + any entries declared in a service def for he
context
+ // type
+ //
+
for( int i = 0; i < entries.length; i++ )
{
EntryDescriptor entry = entries[ i ];
@@ -314,6 +332,13 @@
Object object = getContextValue( context, key );
//
+ // if the entry is a standard avalon context entry names (component
name,
+ // partition, home or working directory, the handle it now
+ //
+
+ //object = resolveStandardKey( appliance, context, key );
+
+ //
// If the context value is unresolved, try to handle resolution
// using an import directive supplied under the directive
//
@@ -469,11 +494,11 @@
* @return a new Context for service
* @throws Exception if unable to create context
*/
- protected Context createContext( ExtensionDescriptor extension, Context context
)
+ protected Context createContext( Appliance appliance, ExtensionDescriptor
extension, Context context )
throws Exception
{
ContextDescriptor descriptor = extension.getContext();
- return buildContext( descriptor, null, context );
+ return buildContext( appliance, descriptor, null, context );
}
/**
1.7 +20 -1
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 1.6
retrieving revision 1.7
diff -u -r1.6 -r1.7
--- DefaultContextualizationService.java 19 Dec 2002 10:42:24 -0000 1.6
+++ DefaultContextualizationService.java 20 Dec 2002 06:38:18 -0000 1.7
@@ -128,6 +128,11 @@
if(( provider != null ) || (object instanceof Contextualizable ))
{
+
+ //
+ // the component is requesting contextualization in one form or another
+ //
+
if( getLogger().isDebugEnabled() )
{
final String message = appliance.toString();
@@ -144,9 +149,19 @@
source = context;
}
+ //
+ // populate the "standard" context with the actual context entries that
+ // the component is requesting
+ //
+
Context standard =
createStandardContext( appliance, source );
+ //
+ // resolve the contextualization strategy - either its a custom
+ // interface and handler, or its classic Avalon - try custom first
+ //
+
if( provider != null )
{
if( getLogger().isDebugEnabled() )
@@ -170,6 +185,10 @@
throw new ContextException( error, e );
}
}
+
+ //
+ // otherwise, its classic contextulization
+ //
try
{
1.6 +2 -2
avalon-sandbox/assembly/src/java/org/apache/avalon/assembly/lifecycle/disposal/ExtendedDisposalService.java
Index: ExtendedDisposalService.java
===================================================================
RCS file:
/home/cvs/avalon-sandbox/assembly/src/java/org/apache/avalon/assembly/lifecycle/disposal/ExtendedDisposalService.java,v
retrieving revision 1.5
retrieving revision 1.6
diff -u -r1.5 -r1.6
--- ExtendedDisposalService.java 17 Dec 2002 05:02:25 -0000 1.5
+++ ExtendedDisposalService.java 20 Dec 2002 06:38:18 -0000 1.6
@@ -182,7 +182,7 @@
{
Type type = provider.getProfile().getType();
final ExtensionDescriptor descriptor = type.getExtension( stage );
- context = createContext( descriptor, m_context );
+ context = createContext( provider, descriptor, m_context );
}
catch( Throwable e )
{
1.7 +2 -2
avalon-sandbox/assembly/src/java/org/apache/avalon/assembly/lifecycle/initialization/ExtendedInitializationService.java
Index: ExtendedInitializationService.java
===================================================================
RCS file:
/home/cvs/avalon-sandbox/assembly/src/java/org/apache/avalon/assembly/lifecycle/initialization/ExtendedInitializationService.java,v
retrieving revision 1.6
retrieving revision 1.7
diff -u -r1.6 -r1.7
--- ExtendedInitializationService.java 17 Dec 2002 05:03:23 -0000 1.6
+++ ExtendedInitializationService.java 20 Dec 2002 06:38:19 -0000 1.7
@@ -164,7 +164,7 @@
{
Type type = provider.getProfile().getType();
final ExtensionDescriptor descriptor = type.getExtension( stage
);
- context = createContext( descriptor, m_context );
+ context = createContext( provider, descriptor, m_context );
}
catch( Throwable e )
{
1.11 +2 -2
avalon-sandbox/assembly/src/java/org/apache/avalon/assembly/lifestyle/AbstractLifestyleHandler.java
Index: AbstractLifestyleHandler.java
===================================================================
RCS file:
/home/cvs/avalon-sandbox/assembly/src/java/org/apache/avalon/assembly/lifestyle/AbstractLifestyleHandler.java,v
retrieving revision 1.10
retrieving revision 1.11
diff -u -r1.10 -r1.11
--- AbstractLifestyleHandler.java 17 Dec 2002 11:35:50 -0000 1.10
+++ AbstractLifestyleHandler.java 20 Dec 2002 06:38:19 -0000 1.11
@@ -464,7 +464,7 @@
final ExtensionDescriptor ext = type.getExtension( stage );
try
{
- Context extensionContext = createContext( ext, context );
+ Context extensionContext = createContext( provider, ext, context );
table.put( stage, extensionContext );
}
catch( Throwable e )
--
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