mcconnell 2002/07/02 17:52:23
Modified: assembly/src/java/org/apache/excalibur/merlin/registry
Profile.java
Log:
replaced interface and impl with direct implementation
Revision Changes Path
1.2 +138 -41
jakarta-avalon-excalibur/assembly/src/java/org/apache/excalibur/merlin/registry/Profile.java
Index: Profile.java
===================================================================
RCS file:
/home/cvs/jakarta-avalon-excalibur/assembly/src/java/org/apache/excalibur/merlin/registry/Profile.java,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- Profile.java 1 Jul 2002 04:27:15 -0000 1.1
+++ Profile.java 3 Jul 2002 00:52:23 -0000 1.2
@@ -29,11 +29,14 @@
import org.apache.avalon.excalibur.i18n.Resources;
import org.apache.excalibur.configuration.ConfigurationUtil;
import org.apache.avalon.framework.logger.Logger;
+import org.apache.avalon.framework.logger.LogEnabled;
import org.apache.avalon.framework.logger.AbstractLogEnabled;
+import org.apache.avalon.framework.parameters.Parameters;
import org.apache.avalon.framework.activity.Initializable;
import org.apache.avalon.framework.activity.Disposable;
import org.apache.avalon.framework.CascadingRuntimeException;
import org.apache.avalon.framework.configuration.Configuration;
+import org.apache.avalon.framework.configuration.DefaultConfiguration;
import org.apache.avalon.framework.configuration.DefaultConfigurationBuilder;
import org.apache.avalon.framework.configuration.ConfigurationException;
import org.apache.avalon.framework.context.Context;
@@ -47,63 +50,157 @@
import org.apache.excalibur.containerkit.metainfo.ServiceDescriptor;
import org.apache.excalibur.containerkit.metainfo.DependencyDescriptor;
import org.apache.excalibur.containerkit.metainfo.ServiceDesignator;
+
import org.apache.excalibur.containerkit.metadata.ComponentMetaData;
import org.apache.excalibur.containerkit.metadata.DependencyMetaData;
+import org.apache.excalibur.merlin.registry.Registry;
+import org.apache.excalibur.merlin.registry.UnresolvedProviderException;
+import org.apache.excalibur.configuration.ContextFactory;
+import org.apache.excalibur.configuration.ConfigurationUtil;
/**
- * Interface that defines a set of constraints applied to a component type.
+ * The default implementation of a profile under which configuration, context
+ * and parameterization criteria is associated against a component type defintion.
+ *
* @author <a href="mailto:[EMAIL PROTECTED]";>Stephen McConnell</a>
* @version $Revision$ $Date$
*/
-public interface Profile
+public class Profile extends ComponentMetaData
{
+ private static String getAbstractName( Configuration profile )
+ {
+ return profile.getAttribute("name",null);
+ }
+
+ private static DependencyMetaData[] getDependencyMetaData(
+ final DefaultRegistry registry, final ComponentType type )
+ throws UnresolvedProviderException
+ {
+ Vector vector = new Vector();
+ DependencyDescriptor[] deps = type.getComponentInfo().getDependencies();
+ for( int i=0; i<deps.length; i++ )
+ {
+ final String role = deps[i].getRole();
+ final Profile provider = registry.getCandidateProfile( deps[i] );
+ DependencyMetaData data = new DependencyMetaData(
+ role,
+ provider.getName()
+ );
+ vector.add( data );
+ }
+ return (DependencyMetaData[]) vector.toArray( new DependencyMetaData[0] );
+ }
+
+
+ private final ComponentType m_type;
+
+ private final Configuration m_profile;
+
+ private final DefaultRegistry m_registry;
+
+ /**
+ * Creation of a default profile.
+ * @param type the component type that this profile is qualifying
+ */
+ public Profile( final DefaultRegistry registry, final ComponentType type )
+ throws ConfigurationException, UnresolvedProviderException
+
+ {
+ this( registry, type, new DefaultConfiguration("profile") );
+ }
+
+ /**
+ * Creation of a profile of a component type. The
+ * configuration is a profile instance containing criteria for for the
+ * profiles default configuration, parameters and content.
+ *
+ * @param type the component type that this profile is qualifying
+ * @param profile a configuration instance possibly containing a context,
+ * parameters and configuration element.
+ * @param name the profile name
+ */
+ public Profile(
+ final DefaultRegistry registry, final ComponentType type, final Configuration
profile )
+ throws ConfigurationException, UnresolvedProviderException
+ {
+ super(
+ getAbstractName( profile ),
+ getDependencyMetaData( registry, type ),
+ Parameters.fromConfiguration( profile.getChild("paramerters") ),
+ profile.getChild("configuration"),
+ type.getComponentInfo()
+ );
+ m_type = type;
+ m_profile = profile;
+ m_registry = registry;
+ m_registry.install( this );
+ }
/**
- * Default role name for this interface.
- */
- static final String ROLE = Profile.class.getName();
-
- /**
- * Returns the name of the component type profile.
- * @return the profile name
- */
- String getName();
-
- /**
- * Returns the component type that this profile constrains.
+ * Returns the component type bound to the profile.
* @return the component type
*/
- ComponentType getComponentType();
+ public ComponentType getComponentType()
+ {
+ return m_type;
+ }
/**
* Returns the context to be supplied to an instance of the profile
* @return the profile context object
*/
- Context getContext( Context parent );
-
- /**
- * Returns the configuration to be supplied to an instance of the profile
- * @return the profile configuration object
- */
- Configuration getConfiguration();
-
- /**
- * Returns the parameters to be supplied to an instance of the profile
- * @return the profile parameter object
- */
- Parameters getParameters();
-
- /**
- * Returns all dependency metadata for the profile.
- * @return the dependency metadata array
- */
- public DependencyMetaData[] getDependencies();
-
- /**
- * Returns dependency metadata for a name dependency.
- * @return the dependency metadata
- */
- public DependencyMetaData getDependency( String role );
+ public Context getContext( Context parent )
+ {
+ try
+ {
+ Configuration criteria = m_profile.getChild("context");
+ return ContextFactory.createContextFromConfiguration( parent, criteria
);
+ }
+ catch( Throwable e )
+ {
+ throw new ProfileRuntimeException(
+ "Unexpected error while creating context.", e );
+ }
+
+ }
+
+ public String toString()
+ {
+ return "DefaultProfile name: '" + getName() + "' type: " +
getComponentType();
+ }
+
+ /**
+ * Provide a textual report on the profile.
+ * @return the formatted profile report
+ */
+ public String report()
+ {
+ StringBuffer buffer = new StringBuffer();
+ buffer.append( "PROFILE REPORT\n" );
+ buffer.append( "\n name: " + getName() );
+ buffer.append( "\n type: " + getComponentType() );
+ buffer.append( "\n context: " + getContext( null ) );
+ buffer.append( "\n configuration: \n" + ConfigurationUtil.list(
getConfiguration() ));
+ buffer.append( "\n parameters: " + getParameters() );
+ buffer.append( "\n dependecies" );
+
+ DependencyMetaData[] dependencies = getDependencies();
+ if( dependencies.length == 0 )
+ {
+ buffer.append( " (none)\n\n" );
+ return buffer.toString();
+ }
+
+ for( int i=0; i<dependencies.length; i++ )
+ {
+ buffer.append( "\n dependency " + i );
+ buffer.append( "\n role: " + dependencies[i].getRole() );
+ buffer.append( "\n provider: " + dependencies[i].getProviderName() );
+ }
+
+ buffer.append( "\n\n" );
+ return buffer.toString();
+ }
}
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