/**
* Copyright (C) 2009 STMicroelectronics
*
* This file is part of "Mind Compiler" is free software: you can redistribute
* it and/or modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Contact: mind@ow2.org
*
* Authors: Ali Erdem Ozcan
* Contributors: Matthieu Leclercq
*/
package org.ow2.mind.idl.annotation;
import java.util.Map;
import org.objectweb.fractal.adl.ADLException;
import org.objectweb.fractal.adl.Node;
import org.ow2.mind.annotation.Annotation;
import org.ow2.mind.annotation.AnnotationHelper;
import org.ow2.mind.idl.IDLLoader.AbstractDelegatingIDLLoader;
import org.ow2.mind.idl.ast.IDL;
import com.google.inject.Inject;
import com.google.inject.Injector;
public class AnnotationProcessorLoader extends AbstractDelegatingIDLLoader {
IDLLoaderPhase phase;
@Inject
protected Injector injector;
/**
* @param phase the phase to set
*/
public void setPhase(final IDLLoaderPhase phase) {
this.phase = phase;
}
// ---------------------------------------------------------------------------
// Implementation of the IDLLoader interface
// ---------------------------------------------------------------------------
public IDL load(final String name, final Map<Object, Object> context)
throws ADLException {
final IDL idl = clientIDLLoaderItf.load(name, context);
processAnnotations(idl, idl, context);
return idl;
}
protected void processAnnotations(IDL idl, final Node node,
final Map<Object, Object> context) throws ADLException {
// Process this node
final Annotation[] annotations = AnnotationHelper.getAnnotations(node);
for (final Annotation annotation : annotations) {
final IDLLoaderProcessor processorAnnotation = annotation.getClass()
.getAnnotation(IDLLoaderProcessor.class);
if (processorAnnotation != null) {
final IDLLoaderPhase[] processPhases = processorAnnotation.phases();
for (final IDLLoaderPhase processPhase : processPhases) {
if (phase == processPhase) {
idl = executeProcessor(processorAnnotation, annotation, node, idl,
context);
break;
}
}
}
}
// process sub nodes
final String[] nodeTypes = node.astGetNodeTypes();
if (nodeTypes != null) {
for (final String nodeType : nodeTypes) {
for (final Node subNode : node.astGetNodes(nodeType)) {
if (subNode != null) {
processAnnotations(idl, subNode, context);
}
}
}
}
}
protected IDL executeProcessor(final IDLLoaderProcessor processorAnnotation,
final Annotation annotation, final Node node, final IDL idl,
final Map<Object, Object> context) throws ADLException {
final IDLLoaderAnnotationProcessor processor = injector
.getInstance(processorAnnotation.processor());
final IDL result = processor.processAnnotation(annotation, node, idl,
phase, context);
return (result != null) ? result : idl;
}
}