/*******************************************************************************
* Copyright (c) 2010 Michal Antkiewicz.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Michal Antkiewicz - initial API and implementation
******************************************************************************/
package ca.uwaterloo.gsd.fsml.javaMappingInterpreter.mappings;
import java.util.ArrayList;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.emf.ecore.EAnnotation;
import org.eclipse.emf.ecore.EAttribute;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.jdt.core.IField;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.core.Signature;
import org.eclipse.jdt.core.dom.Annotation;
import org.eclipse.jdt.core.dom.BodyDeclaration;
import org.eclipse.jdt.core.dom.FieldDeclaration;
import org.eclipse.jdt.core.dom.TypeDeclaration;
import org.eclipse.jdt.core.search.IJavaSearchConstants;
import org.eclipse.jdt.core.search.IJavaSearchScope;
import org.eclipse.jdt.core.search.SearchEngine;
import org.eclipse.jdt.core.search.SearchMatch;
import org.eclipse.jdt.core.search.SearchParticipant;
import org.eclipse.jdt.core.search.SearchPattern;
import org.eclipse.jdt.core.search.SearchRequestor;
import org.eclipse.jdt.core.search.TypeReferenceMatch;
import org.eclipse.jdt.internal.core.ResolvedSourceField;
import ca.uwaterloo.gsd.fsml.core.FSMLMappingException;
import ca.uwaterloo.gsd.fsml.core.Mode;
import ca.uwaterloo.gsd.fsml.core.Parameter;
import ca.uwaterloo.gsd.fsml.ecore.FSMLEcoreUtil;
import ca.uwaterloo.gsd.fsml.javaMappingInterpreter.JavaMappingInterpreter;
import ca.uwaterloo.gsd.fsml.sync.SyncItem;
public class HasFieldAnnotatedWithMapping extends JavaMapping {
public HasFieldAnnotatedWithMapping(EObject element, EStructuralFeature feature, EAnnotation annotation, EClass concreteChildType, JavaMappingInterpreter interpreter, IProgressMonitor progressMonitor) throws FSMLMappingException {
super(element, feature, annotation, concreteChildType, interpreter, progressMonitor);
}
public HasFieldAnnotatedWithMapping(EObject element, EStructuralFeature feature, EStructuralFeature essentialFeature, EAnnotation annotation, EClass concreteChildType, JavaMappingInterpreter interpreter, IProgressMonitor progressMonitor) throws FSMLMappingException {
super(element, feature, essentialFeature, annotation, concreteChildType, interpreter, progressMonitor);
}
public HasFieldAnnotatedWithMapping(SyncItem syncItem, EAnnotation annotation, JavaMappingInterpreter interpreter, IProgressMonitor progressMonitor) throws FSMLMappingException {
super(syncItem, annotation, interpreter, progressMonitor);
}
@Parameter(name=JavaMappingInterpreter.DETAIL_FULLY_QUALIFIED_TYPE, mode=Mode.REVERSE, required=true)
public String fullyQualifiedName;
@Override
protected boolean forward() throws FSMLMappingException {
return false;
}
@Override
protected boolean reverse() throws FSMLMappingException {
String simpleAnnotationType = Signature.getSimpleName(fullyQualifiedName);
BodyDeclaration bodyDeclaration = null;
if (FSMLEcoreUtil.getEAnnotation(element.eClass(),JavaMappingInterpreter.CONTEXT_CLASS) != null)
//we have a class
bodyDeclaration = contextManager.getContextTypeDeclaration(element, true, progressMonitor);
else
return setFeature(false);
TypeDeclaration type = (TypeDeclaration) bodyDeclaration;
boolean foundDesiredAnnotation = false;
Annotation foundAnnotation = null;
for (FieldDeclaration field : type.getFields()) {
for (Object fieldModifier : field.modifiers()) {
if (fieldModifier instanceof Annotation){
String modifierType = ((Annotation)fieldModifier).getTypeName().getFullyQualifiedName();
if (fullyQualifiedName.equalsIgnoreCase(modifierType)
|| simpleAnnotationType.equalsIgnoreCase(modifierType)){
foundDesiredAnnotation = true;
foundAnnotation = (Annotation) fieldModifier;
break;
}
}
}
}
if (!foundDesiredAnnotation){
return setFeature(false);
}
return setFeatureContextAndMarker(true, foundAnnotation, feature instanceof EAttribute ? bodyDeclaration : foundAnnotation, null);
}
@Override
protected boolean reverseEssential() throws FSMLMappingException {
try {
IType annotationType = contextIJavaProject.findType(fullyQualifiedName);
if (annotationType == null || !annotationType.exists())
return false;
if (FSMLEcoreUtil.getEAnnotation(concreteChildType, JavaMappingInterpreter.CONTEXT_CLASS) != null) {
final ArrayList<TypeReferenceMatch> found = new ArrayList<TypeReferenceMatch>();
SearchPattern pattern = SearchPattern.createPattern(annotationType, IJavaSearchConstants.REFERENCES);
// Create search scope
IJavaSearchScope scope = SearchEngine.createJavaSearchScope(new IJavaElement[] { contextIJavaProject });
SearchRequestor requestor = new SearchRequestor(){
@Override
public void acceptSearchMatch(SearchMatch match) throws CoreException {
if (match instanceof TypeReferenceMatch){
if (match.getElement() instanceof ResolvedSourceField){
found.add((TypeReferenceMatch)match);
}
}
}
};
SearchEngine searchEngine = new SearchEngine();
try {
searchEngine.search(pattern, new SearchParticipant[] {SearchEngine.getDefaultSearchParticipant()}, scope, requestor, null);
} catch (CoreException e) {
e.printStackTrace();
}
for (TypeReferenceMatch typeReferenceMatch : found) {
IField field = (IField) typeReferenceMatch.getElement();
IType declaringType = field.getDeclaringType();
setFeatureContextAndMarker(true, declaringType, declaringType, null);
}
return FSMLEcoreUtil.isFeaturePresent(element, feature);
}
} catch (JavaModelException e) {
e.printStackTrace();
}
return false;
}
}