/*******************************************************************************
* Copyright (c) 2009 Red Hat, Inc.
* Distributed under license by Red Hat, Inc. All rights reserved.
* This program is 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:
* Red Hat, Inc. - initial API and implementation
******************************************************************************/
package org.jboss.tools.cdi.internal.core.impl.definition;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jdt.core.IMethod;
import org.eclipse.jdt.core.IType;
import org.jboss.tools.cdi.core.CDIConstants;
import org.jboss.tools.cdi.core.CDICorePlugin;
import org.jboss.tools.cdi.core.IRootDefinitionContext;
import org.jboss.tools.cdi.core.extension.IDefinitionContextExtension;
import org.jboss.tools.cdi.internal.core.impl.AnnotationDeclaration;
import org.jboss.tools.common.java.IAnnotationDeclaration;
/**
*
* @author Viacheslav Kabanovich
*
*/
public class AnnotationDefinition extends AbstractTypeDefinition {
public static final int NON_RELEVANT = 0;
public static final int BASIC = 1; //has Inherited, Target, Retention
public static final int CDI = 2; //has Model, Named, Typed, *Scoped, New
public static final int QUALIFIER = 4; //has Qualifier
public static final int STEREOTYPE = 8; //has Stereotype
public static final int INTERCEPTOR_BINDING = 16; //has InterceptorBinding
public static final int SCOPE = 32; //has Scope or NormalScope
public static final int EXTENDED = 1024;
//TODO add other definition kinds of interest
protected int kind = NON_RELEVANT;
protected Object extendedKind = null;
List<AnnotationMemberDefinition> methods = new ArrayList<AnnotationMemberDefinition>();
public AnnotationDefinition() {}
public void setKind(int kind) {
this.kind = kind;
}
public void setExtendedKind(Object s) {
extendedKind = s;
kind |= EXTENDED;
}
public int getKind() {
return kind;
}
public boolean hasExtendedKind(Object kind) {
return extendedKind != null && extendedKind.equals(kind);
}
public List<AnnotationMemberDefinition> getMethods() {
return methods;
}
@Override
protected void init(IType contextType, IRootDefinitionContext context, int flags) throws CoreException {
super.init(contextType, context, flags);
if(annotations.isEmpty()) {
//TODO check super ?
return;
}
revalidateKind(context);
}
public void revalidateKind(IRootDefinitionContext context) {
boolean hasMembers = (kind & QUALIFIER) > 0 || (kind & INTERCEPTOR_BINDING) > 0 || kind == EXTENDED;
kind = NON_RELEVANT;
Map<String, AnnotationDeclaration> ds = new HashMap<String, AnnotationDeclaration>();
for (IAnnotationDeclaration a: annotations) {
if(a instanceof AnnotationDeclaration) {
AnnotationDeclaration aa = (AnnotationDeclaration)a;
String typeName = aa.getTypeName();
ds.put(typeName, aa);
}
}
if(ds.containsKey(CDIConstants.SCOPE_ANNOTATION_TYPE_NAME)
|| ds.containsKey(CDIConstants.NORMAL_SCOPE_ANNOTATION_TYPE_NAME)) {
kind = SCOPE;
}
if(ds.containsKey(CDIConstants.STEREOTYPE_ANNOTATION_TYPE_NAME)) {
kind |= STEREOTYPE;
}
if(ds.containsKey(CDIConstants.QUALIFIER_ANNOTATION_TYPE_NAME)) {
kind |= QUALIFIER;
}
if(ds.containsKey(CDIConstants.INTERCEPTOR_BINDING_ANNOTATION_TYPE_NAME)) {
kind |= INTERCEPTOR_BINDING;
}
if(kind == NON_RELEVANT) {
Set<IDefinitionContextExtension> es = context.getExtensions();
for (IDefinitionContextExtension e: es) {
e.computeAnnotationKind(this);
if(kind == EXTENDED) break;
}
}
if(kind == NON_RELEVANT) {
if(AnnotationHelper.BASIC_ANNOTATION_TYPES.contains(qualifiedName)) {
kind = AnnotationDefinition.BASIC;
} else if(AnnotationHelper.CDI_ANNOTATION_TYPES.contains(qualifiedName)) {
kind = AnnotationDefinition.CDI;
}
}
boolean newHasMembers = (kind & QUALIFIER) > 0 || (kind & INTERCEPTOR_BINDING) > 0 || kind == EXTENDED;
if(newHasMembers != hasMembers) {
methods.clear();
try {
initMemberDefinitions(type, context);
} catch (CoreException e) {
CDICorePlugin.getDefault().logError(e);
}
}
}
void initMemberDefinitions(IType contextType, IRootDefinitionContext context) throws CoreException {
IMethod[] ms = getType().getMethods();
for (int i = 0; i < ms.length; i++) {
AnnotationMemberDefinition m = new AnnotationMemberDefinition();
m.setAnnotationDefinition(this);
m.setMethod(ms[i], context, 0);
if(m.isCDIAnnotated()) {
methods.add(m);
}
}
}
public AnnotationDeclaration getInheritedAnnotation() {
return getAnnotation(CDIConstants.INHERITED_ANNOTATION_TYPE_NAME);
}
}