/*******************************************************************************
* Copyright (c) 2012 VMware, Inc.
* 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:
* VMware, Inc. - initial API and implementation
*******************************************************************************/
package org.springframework.ide.eclipse.metadata.core;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.Map;
import java.util.Set;
import org.eclipse.jdt.core.IMethod;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.JavaModelException;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.ide.eclipse.beans.core.metadata.model.IAnnotationBeanMetadataProvider;
import org.springframework.ide.eclipse.beans.core.metadata.model.IBeanMetadata;
import org.springframework.ide.eclipse.beans.core.metadata.model.IMethodMetadata;
import org.springframework.ide.eclipse.beans.core.model.IBean;
import org.springframework.ide.eclipse.core.java.annotation.Annotation;
import org.springframework.ide.eclipse.core.java.annotation.IAnnotationMetadata;
import org.springframework.ide.eclipse.core.model.java.JavaModelSourceLocation;
/**
* {@link IAnnotationBeanMetadataProvider} that is responsible for creating metadata based on Spring 3.0 {@link Configuration}.
* @author Christian Dupuis
* @since 2.1.0
*/
public class ConfigurationClassAnnotationMetadataProvider implements IAnnotationBeanMetadataProvider {
/** FQCN of the {@link Configuration} annotation */
private static final String CONFIGURATION_ANNOTATION_CLASS = Configuration.class.getName();
/** FQCN of the method level annotations */
private static final String[] BEAN_ANNOTATION_CLASSES = new String[] { Bean.class.getName() };
/**
* Creates bean metadata based on Spring 3.0 {@link Configuration} annotations.
*/
public Set<IBeanMetadata> provideBeanMetadata(IBean bean, IType type, IAnnotationMetadata visitor) {
Set<IBeanMetadata> beanMetaDataSet = new LinkedHashSet<IBeanMetadata>();
try {
if (visitor.hasTypeLevelAnnotations(CONFIGURATION_ANNOTATION_CLASS)) {
Set<IMethodMetadata> methodMetaData = new HashSet<IMethodMetadata>();
for (Map.Entry<IMethod, Annotation> entry : visitor
.getMethodLevelAnnotations(BEAN_ANNOTATION_CLASSES).entrySet()) {
methodMetaData.add(new BeanMethodAnnotationMetadata(entry.getValue().getAnnotationClass(), entry
.getKey().getHandleIdentifier(), entry.getValue().getMembers(),
new JavaModelSourceLocation(entry.getKey())));
}
beanMetaDataSet.add(new ConfigurationAnnotationMetadata(bean, CONFIGURATION_ANNOTATION_CLASS, (visitor
.hasTypeLevelAnnotations(CONFIGURATION_ANNOTATION_CLASS) ? visitor.getTypeLevelAnnotation(
CONFIGURATION_ANNOTATION_CLASS).getMembers() : null), new JavaModelSourceLocation(type),
methodMetaData));
}
}
catch (JavaModelException e) {
// just fail quietly
}
return beanMetaDataSet;
}
}