/*******************************************************************************
* 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.generic;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jdt.core.IPackageFragmentRoot;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.JavaModelException;
import org.jboss.tools.cdi.core.CDIConstants;
import org.jboss.tools.cdi.core.CDICoreNature;
import org.jboss.tools.cdi.core.IProducer;
import org.jboss.tools.cdi.core.IQualifierDeclaration;
import org.jboss.tools.cdi.core.IRootDefinitionContext;
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.core.extension.feature.IProcessAnnotatedTypeFeature;
import org.jboss.tools.cdi.core.extension.feature.IValidatorFeature;
import org.jboss.tools.cdi.internal.core.impl.AnnotationDeclaration;
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.AbstractMemberDefinition;
import org.jboss.tools.cdi.internal.core.impl.definition.AnnotationDefinition;
import org.jboss.tools.cdi.internal.core.impl.definition.FieldDefinition;
import org.jboss.tools.cdi.internal.core.impl.definition.MethodDefinition;
import org.jboss.tools.cdi.internal.core.impl.definition.ParameterDefinition;
import org.jboss.tools.cdi.internal.core.impl.definition.TypeDefinition;
import org.jboss.tools.cdi.internal.core.scanner.FileSet;
import org.jboss.tools.cdi.internal.core.validation.CDICoreValidator;
import org.jboss.tools.cdi.seam.solder.core.CDISeamSolderCorePlugin;
import org.jboss.tools.cdi.seam.solder.core.CDISeamSolderPreferences;
import org.jboss.tools.cdi.seam.solder.core.Version;
import org.jboss.tools.common.java.IAnnotationDeclaration;
import org.jboss.tools.common.java.IJavaAnnotation;
import org.jboss.tools.common.java.ParametedType;
import org.jboss.tools.common.java.impl.AnnotationLiteral;
import org.jboss.tools.common.model.XModelObject;
import org.jboss.tools.common.preferences.SeverityPreferences;
/**
*
* @author Viacheslav Kabanovich
*
*/
public class CDISeamSolderGenericBeanExtension implements ICDIExtension, IBuildParticipantFeature, IProcessAnnotatedTypeFeature, IValidatorFeature, CDIConstants {
GenericBeanDefinitionContext context = new GenericBeanDefinitionContext(getVersion());
public CDISeamSolderGenericBeanExtension() {
}
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) {
}
public void buildBeans(CDIProject target) {
CDIProject p = target;
for (GenericConfiguration c: context.getGenericConfigurations().values()) {
//Create fake bean for injection of generic type annotation.
AnnotationDefinition genericTypeDef = c.getGenericTypeDefinition();
if(genericTypeDef != null) {
TypeDefinition fakeGenericType = new TypeDefinition();
fakeGenericType.setType(genericTypeDef.getType(), context.getRootContext(), 0);
fakeGenericType.setBeanConstructor(true);
ClassBean b = new ClassBean();
b.setDefinition(fakeGenericType);
b.setParent(p);
p.addBean(b);
}
Map<AbstractMemberDefinition, List<IQualifierDeclaration>> ms = c.getGenericConfigurationPoints();
Set<TypeDefinition> ts = c.getGenericBeans();
for (AbstractMemberDefinition gp: ms.keySet()) {
//check veto
if(gp.getTypeDefinition().isVetoed()) {
continue;
}
List<IQualifierDeclaration> list = ms.get(gp);
for (TypeDefinition t: ts) {
TypeDefinition ti = new TypeDefinition(); //TODO copy, do not create new.
ti.setType(t.getType(), context.getRootContext(), 0);
List<MethodDefinition> ps = ti.getMethods();
for (MethodDefinition m: ps) {
if(m.isAnnotationPresent(PRODUCES_ANNOTATION_TYPE_NAME)
|| m.isAnnotationPresent(getVersion().getUnwrapsAnnotationTypeName())) {
for (IAnnotationDeclaration d: list) {
m.addAnnotation(((AnnotationDeclaration)d).getDeclaration(), context.getRootContext());
}
}
}
List<FieldDefinition> fs = ti.getFields();
for (FieldDefinition f: fs) {
if(f.isAnnotationPresent(PRODUCES_ANNOTATION_TYPE_NAME)) {
for (IAnnotationDeclaration d: list) {
f.addAnnotation(((AnnotationDeclaration)d).getDeclaration(), context.getRootContext());
}
}
}
replaceGenericInjections(ti, list);
GenericClassBean cb = new GenericClassBean(getVersion());
cb.setGenericProducerBeanDefinition(gp);
cb.setParent(p);
cb.setDefinition(ti);
p.addBean(cb);
for (IProducer producer: cb.getProducers()) {
p.addBean(producer);
}
}
}
}
}
private void replaceGenericInjections(TypeDefinition ti, List<IQualifierDeclaration> list) {
List<FieldDefinition> fs = ti.getFields();
for (FieldDefinition f: fs) {
if(f.isAnnotationPresent(INJECT_ANNOTATION_TYPE_NAME) && f.isAnnotationPresent(getVersion().getGenericQualifierAnnotationTypeName())) {
for (IAnnotationDeclaration d: list) {
f.addAnnotation(((AnnotationDeclaration)d).getDeclaration(), context.getRootContext());
}
AnnotationDeclaration gd = f.getAnnotation(getVersion().getGenericQualifierAnnotationTypeName());
f.removeAnnotation(gd);
IJavaAnnotation ja = createInjectGenericAnnotation(gd, context.getRootContext().getProject());
if(ja != null) {
f.addAnnotation(ja, context.getRootContext());
}
}
}
List<MethodDefinition> ms = ti.getMethods();
for (MethodDefinition m: ms) {
boolean isObserver = m.isObserver();
if(m.isAnnotationPresent(INJECT_ANNOTATION_TYPE_NAME) || isObserver) {
boolean isMethodGeneric = m.isAnnotationPresent(getVersion().getGenericQualifierAnnotationTypeName());
List<ParameterDefinition> ps = m.getParameters();
for (ParameterDefinition p: ps) {
if(isMethodGeneric || p.isAnnotationPresent(getVersion().getGenericQualifierAnnotationTypeName())
|| (isObserver && p.isAnnotationPresent(OBSERVERS_ANNOTATION_TYPE_NAME))) {
for (IAnnotationDeclaration d: list) {
p.addAnnotation(((AnnotationDeclaration)d).getDeclaration(), context.getRootContext());
}
AnnotationDeclaration gd = p.getAnnotation(getVersion().getGenericQualifierAnnotationTypeName());
if(gd != null) {
p.removeAnnotation(gd);
IJavaAnnotation ja = createInjectGenericAnnotation(gd, context.getRootContext().getProject());
if(ja != null) {
p.addAnnotation(ja, context.getRootContext());
}
}
}
}
}
}
}
private IJavaAnnotation createInjectGenericAnnotation(AnnotationDeclaration genericAnnotation, CDICoreNature project) {
IType type = project.getType(getVersion().getInjectGenericAnnotationTypeName());
return (type != null) ? new AnnotationLiteral(genericAnnotation.getResource(),
genericAnnotation.getStartPosition(), genericAnnotation.getLength(), null, 0, type)
: null;
}
@Override
public void processAnnotatedType(TypeDefinition typeDefinition, IRootDefinitionContext context) {
if(typeDefinition.isAnnotationPresent(getVersion().getVetoAnnotationTypeName())) {
//ignore
} else if(typeDefinition.isAnnotationPresent(getVersion().getGenericConfigurationAnnotationTypeName())) {
typeDefinition.veto();
IAnnotationDeclaration d = typeDefinition.getAnnotation(getVersion().getGenericConfigurationAnnotationTypeName());
Object o = d.getMemberValue(null);
if(o != null) {
String s = o.toString();
if(s.length() > 0) {
try {
ParametedType p = context.getProject().getTypeFactory().getParametedType(typeDefinition.getType(), "Q" + s + ";");
if(p != null && p.getType() != null) {
GenericConfiguration c = ((GenericBeanDefinitionContext)this.context.getWorkingCopy()).getGenericConfiguration(p.getType().getFullyQualifiedName());
c.getGenericBeans().add(typeDefinition);
addToDependencies(c, typeDefinition, context);
}
} catch (JavaModelException e) {
CDISeamSolderCorePlugin.getDefault().logError(e);
}
}
}
} else {
addGenericProducerBean(typeDefinition, context);
for (MethodDefinition m: typeDefinition.getMethods()) {
if(m.isAnnotationPresent(PRODUCES_ANNOTATION_TYPE_NAME)) {
addGenericProducerBean(m, context);
}
}
for (FieldDefinition f: typeDefinition.getFields()) {
if(f.isAnnotationPresent(PRODUCES_ANNOTATION_TYPE_NAME)) {
addGenericProducerBean(f, context);
}
}
}
}
private void addGenericProducerBean(AbstractMemberDefinition def, IRootDefinitionContext context) {
IAnnotationDeclaration d = findAnnotationAnnotatedWithGenericType(def);
if(d != null) {
addGenericProducerBean(def, d.getTypeName(), context);
}
}
private void addGenericProducerBean(AbstractMemberDefinition def, String genericType, IRootDefinitionContext context) {
GenericConfiguration c = ((GenericBeanDefinitionContext)this.context.getWorkingCopy()).getGenericConfiguration(genericType);
List<IQualifierDeclaration> list = new ArrayList<IQualifierDeclaration>();
List<IAnnotationDeclaration> ds = def.getAnnotations();
for (IAnnotationDeclaration d: ds) {
if(d instanceof IQualifierDeclaration) {
list.add((IQualifierDeclaration)d);
}
}
c.getGenericConfigurationPoints().put(def, list);
addToDependencies(c, def, context);
}
private void addToDependencies(GenericConfiguration c, AbstractMemberDefinition def, IRootDefinitionContext context) {
IResource r = def.getResource();
if(r != null && r.exists() && !c.getInvolvedTypes().contains(r.getFullPath())) {
IPath newPath = r.getFullPath();
Set<IPath> ps = c.getInvolvedTypes();
for (IPath p: ps) {
context.addDependency(p, newPath);
context.addDependency(newPath, p);
}
ps.add(newPath);
}
}
private IAnnotationDeclaration findAnnotationAnnotatedWithGenericType(AbstractMemberDefinition m) {
List<IAnnotationDeclaration> ds = m.getAnnotations();
for (IAnnotationDeclaration d: ds) {
if(d.getTypeName() != null) {
AnnotationDefinition a = context.getRootContext().getAnnotation(d.getTypeName());
if(a != null && a.isAnnotationPresent(getVersion().getGenericTypeAnnotationTypeName())) {
return d;
}
}
}
return null;
}
public void validateResource(IFile file, CDICoreValidator validator) {
new GenericBeanValidator(getVersion()).validateResource(file, validator, context.getRootContext().getProject(), context);
}
public SeverityPreferences getSeverityPreferences() {
return CDISeamSolderPreferences.getInstance();
}
}