/*******************************************************************************
* Copyright (c) 2011 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.seam.solder.core;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jdt.core.IPackageFragmentRoot;
import org.eclipse.jdt.core.IType;
import org.jboss.tools.cdi.core.extension.AbstractDefinitionContextExtension;
import org.jboss.tools.cdi.core.extension.ICDIExtension;
import org.jboss.tools.cdi.core.extension.IDefinitionContextExtension;
import org.jboss.tools.cdi.core.extension.feature.IBuildParticipantFeature;
import org.jboss.tools.cdi.internal.core.impl.CDIProject;
import org.jboss.tools.cdi.internal.core.impl.ClassBean;
import org.jboss.tools.cdi.internal.core.impl.definition.AnnotationDefinition;
import org.jboss.tools.cdi.internal.core.impl.definition.TypeDefinition;
import org.jboss.tools.cdi.internal.core.scanner.FileSet;
import org.jboss.tools.cdi.seam.solder.core.definition.InterfaceDefinition;
import org.jboss.tools.common.java.IAnnotationDeclaration;
import org.jboss.tools.common.model.XModelObject;
/**
* Implements support for org.jboss.seam.solder.serviceHandler.ServiceHandlerExtension.
*
* During building definitions
* 1) participates in recognizing annotations type annotated with @ServiceHandlerType and stores them;
* 2) builds and stores definitions annotated with those annotation types.
*
* During building beans creates beans of stored definitions.
*
* @author Viacheslav Kabanovich
*
*/
public class CDISeamSolderServiceHandlerExtension implements ICDIExtension, IBuildParticipantFeature {
ServiceHandlerDefinitionContext context = new ServiceHandlerDefinitionContext();
protected Version getVersion() {
return Version.instance;
}
public IDefinitionContextExtension getContext() {
return context;
}
public void beginVisiting() {
}
public void visitJar(IPath path, IPackageFragmentRoot root, XModelObject beansXML) {
}
public void visit(IFile file, IPath src, IPath webinf) {
}
public void buildDefinitions() {
}
public void buildDefinitions(FileSet fileSet) {
ServiceHandlerDefinitionContext workingCopy = (ServiceHandlerDefinitionContext)context.getWorkingCopy();
Map<IPath, List<IType>> is = fileSet.getInterfaces();
for (IPath path: is.keySet()) {
for (IType t: is.get(path)) {
InterfaceDefinition i = new InterfaceDefinition(t, workingCopy);
List<IAnnotationDeclaration> as = i.getAnnotations();
for (IAnnotationDeclaration a: as) {
if(workingCopy.isServiceAnnotation(a.getType())) {
TypeDefinition d = new TypeDefinition();
d.setType(t, workingCopy.getRootContext(), 0);
d.setBeanConstructor(true);
workingCopy.addService(path, d);
}
}
}
}
}
public void buildBeans(CDIProject target) {
CDIProject p = target;
Map<String, TypeDefinition> services = context.getServices();
for (TypeDefinition d: services.values()) {
ClassBean b = new ClassBean();
b.setDefinition(d);
b.setParent(p);
p.addBean(b);
}
}
class ServiceHandlerDefinitionContext extends AbstractDefinitionContextExtension {
Set<String> serviceAnnotations = new HashSet<String>();
Map<String, TypeDefinition> services = new HashMap<String, TypeDefinition>();
protected ServiceHandlerDefinitionContext copy(boolean clean) {
ServiceHandlerDefinitionContext copy = new ServiceHandlerDefinitionContext();
copy.root = root;
if(!clean) {
for (String qn: services.keySet()) {
TypeDefinition d = services.get(qn);
if(d.exists()) {
copy.services.put(qn, d);
}
}
copy.serviceAnnotations.addAll(serviceAnnotations);
}
return copy;
}
@Override
protected void doApplyWorkingCopy() {
services = ((ServiceHandlerDefinitionContext)workingCopy).services;
serviceAnnotations = ((ServiceHandlerDefinitionContext)workingCopy).serviceAnnotations;
}
@Override
public void clean() {
services.clear();
serviceAnnotations.clear();
}
@Override
public void clean(String typeName) {
services.remove(typeName);
serviceAnnotations.remove(typeName);
}
public void addService(IPath path, TypeDefinition def) {
String typeName = def.getType().getFullyQualifiedName();
services.put(typeName, def);
root.addType(path, typeName);
}
public Map<String, TypeDefinition> getServices() {
return services;
}
@Override
public void computeAnnotationKind(AnnotationDefinition annotation) {
if(annotation.isAnnotationPresent(getVersion().getHandlerTypeAnnotationTypeName())) {
annotation.setExtendedKind(CDISeamSolderConstants.SERVICE_ANNOTATION_KIND);
serviceAnnotations.add(annotation.getType().getFullyQualifiedName());
}
}
public boolean isServiceAnnotation(IType type) {
return (type != null && serviceAnnotations.contains(type.getFullyQualifiedName()));
}
}
}