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/*******************************************************************************
* Copyright (c) 2010, 2013 Oracle. 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:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.jaxb.core.internal.context.java;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.xml.namespace.QName;
import org.eclipse.jpt.common.core.resource.java.JavaResourceMethod;
import org.eclipse.jpt.common.core.resource.java.JavaResourceType;
import org.eclipse.jpt.common.core.utility.TextRange;
import org.eclipse.jpt.common.utility.collection.Bag;
import org.eclipse.jpt.common.utility.internal.StringTools;
import org.eclipse.jpt.common.utility.internal.collection.HashBag;
import org.eclipse.jpt.common.utility.internal.iterable.EmptyIterable;
import org.eclipse.jpt.common.utility.internal.iterable.IterableTools;
import org.eclipse.jpt.common.utility.internal.predicate.PredicateAdapter;
import org.eclipse.jpt.common.utility.predicate.Predicate;
import org.eclipse.jpt.jaxb.core.JptJaxbCoreMessages;
import org.eclipse.jpt.jaxb.core.context.JaxbElementFactoryMethod;
import org.eclipse.jpt.jaxb.core.context.JaxbPackage;
import org.eclipse.jpt.jaxb.core.context.XmlRegistry;
import org.eclipse.jpt.jaxb.core.context.java.JavaClass;
import org.eclipse.jpt.jaxb.core.resource.java.JAXB;
import org.eclipse.jpt.jaxb.core.resource.java.XmlRegistryAnnotation;
import org.eclipse.jpt.jaxb.core.validation.JptJaxbCoreValidationMessages;
import org.eclipse.osgi.util.NLS;
import org.eclipse.wst.validation.internal.provisional.core.IMessage;
import org.eclipse.wst.validation.internal.provisional.core.IReporter;
public class GenericJavaXmlRegistry
extends AbstractJavaContextNode
implements XmlRegistry {
protected final ElementFactoryMethodContainer elementFactoryMethodContainer;
public GenericJavaXmlRegistry(JavaClass parent) {
super(parent);
this.elementFactoryMethodContainer = new ElementFactoryMethodContainer();
initElementFactoryMethods();
}
public JavaClass getJaxbClass() {
return (JavaClass) getParent();
}
public JavaResourceType getJavaResourceType() {
return getJaxbClass().getJavaResourceType();
}
protected XmlRegistryAnnotation getAnnotation() {
return (XmlRegistryAnnotation) getJavaResourceType().getAnnotation(JAXB.XML_REGISTRY);
}
public JaxbPackage getJaxbPackage() {
return getJaxbClass().getJaxbPackage();
}
// ***** synchronize/update *****
@Override
public void synchronizeWithResourceModel() {
super.synchronizeWithResourceModel();
syncElementFactoryMethods();
}
@Override
public void update() {
super.update();
updateElementFactoryMethods();
}
// ***** element factory methods *****
public Iterable<JaxbElementFactoryMethod> getElementFactoryMethods() {
return this.elementFactoryMethodContainer.getContextElements();
}
public int getElementFactoryMethodsSize() {
return this.elementFactoryMethodContainer.getContextElementsSize();
}
protected void initElementFactoryMethods() {
this.elementFactoryMethodContainer.initialize();
}
protected void syncElementFactoryMethods() {
this.elementFactoryMethodContainer.synchronizeWithResourceModel();
}
protected void updateElementFactoryMethods() {
this.elementFactoryMethodContainer.update();
}
private JaxbElementFactoryMethod buildElementFactoryMethod(JavaResourceMethod resourceMethod) {
return getFactory().buildJavaElementFactoryMethod(this, resourceMethod);
}
private Iterable<JavaResourceMethod> getResourceElementFactoryMethods() {
return IterableTools.filter(getJavaResourceType().getMethods(), METHOD_IS_ELEMENT_FACTORY_METHOD);
}
protected static final Predicate<JavaResourceMethod> METHOD_IS_ELEMENT_FACTORY_METHOD = new MethodIsElementFactoryMethod();
public static class MethodIsElementFactoryMethod
extends PredicateAdapter<JavaResourceMethod>
{
@Override
public boolean evaluate(JavaResourceMethod method) {
return methodIsElementFactoryMethod(method);
}
}
// Return methods with XmlElementDecl annotation
protected static boolean methodIsElementFactoryMethod(JavaResourceMethod method) {
return methodHasXmlElementDeclAnnotation(method);
}
protected static boolean methodHasXmlElementDeclAnnotation(JavaResourceMethod method) {
return method.getAnnotation(JAXB.XML_ELEMENT_DECL) != null;
}
protected static boolean methodReturnTypeIsJAXBElement(JavaResourceMethod method) {
return method.getTypeBinding().isSubTypeOf(JAXB.XML_ELEMENT);
}
// ***** content assist *****
@Override
public Iterable<String> getCompletionProposals(int pos) {
Iterable<String> result = super.getCompletionProposals(pos);
if (! IterableTools.isEmpty(result)) {
return result;
}
for (JaxbElementFactoryMethod efm : getElementFactoryMethods()) {
result = efm.getCompletionProposals(pos);
if (! IterableTools.isEmpty(result)) {
return result;
}
}
return EmptyIterable.<String>instance();
}
// ***** validation *****
@Override
public TextRange getValidationTextRange() {
TextRange textRange = getAnnotation().getTextRange();
return (textRange != null) ? textRange : getJaxbClass().getValidationTextRange();
}
@Override
public void validate(List<IMessage> messages, IReporter reporter) {
super.validate(messages, reporter);
Iterable<XmlRegistry> registries = getContextRoot().getXmlRegistries(getJaxbPackage());
if (IterableTools.size(registries) > 1) {
messages.add(
this.buildValidationMessage(
getValidationTextRange(),
JptJaxbCoreValidationMessages.XML_REGISTRY__MULTIPLE_XML_REGISTRIES_FOR_PACKAGE
));
}
validateDuplicateQNames(messages, reporter);
for (JaxbElementFactoryMethod efm : getElementFactoryMethods()) {
efm.validate(messages, reporter);
}
}
protected void validateDuplicateQNames(List<IMessage> messages, IReporter reporter) {
Map<String, Bag<QName>> xmlElementDeclQnames = new HashMap<String, Bag<QName>>();
for (JaxbElementFactoryMethod xmlElementDecl : getElementFactoryMethods()) {
String elementDeclName = xmlElementDecl.getQName().getName();
if (! StringTools.isBlank(elementDeclName)) {
String fqScope = xmlElementDecl.getFullyQualifiedScope();
if (xmlElementDeclQnames.get(fqScope) == null) {
xmlElementDeclQnames.put(fqScope, new HashBag<QName>());
}
xmlElementDeclQnames.get(fqScope).add(new QName(xmlElementDecl.getQName().getNamespace(), elementDeclName));
}
}
for (JaxbElementFactoryMethod xmlElementDecl : getElementFactoryMethods()) {
String fqScope = xmlElementDecl.getFullyQualifiedScope();
String xmlElementNamespace = xmlElementDecl.getQName().getNamespace();
String xmlElementName = xmlElementDecl.getQName().getName();
if (xmlElementDeclQnames.get(fqScope).count(new QName(xmlElementNamespace, xmlElementName)) > 1) {
String scopeDesc = ""; //$NON-NLS-1$
if (! JaxbElementFactoryMethod.DEFAULT_SCOPE_CLASS_NAME.equals(fqScope)) {
scopeDesc = NLS.bind(JptJaxbCoreMessages.XML_ELEMENT_DECL__SCOPE, fqScope);
}
messages.add(
this.buildValidationMessage(
xmlElementDecl,
xmlElementDecl.getQName().getNameTextRange(),
JptJaxbCoreValidationMessages.XML_REGISTRY__DUPLICATE_XML_ELEMENT_QNAME,
xmlElementName,
scopeDesc));
}
}
}
/**
* element factory method container adapter
*/
protected class ElementFactoryMethodContainer
extends ContextCollectionContainer<JaxbElementFactoryMethod, JavaResourceMethod> {
@Override
protected String getContextElementsPropertyName() {
return XmlRegistry.ELEMENT_FACTORY_METHODS_COLLECTION;
}
@Override
protected JaxbElementFactoryMethod buildContextElement(JavaResourceMethod resourceElement) {
return GenericJavaXmlRegistry.this.buildElementFactoryMethod(resourceElement);
}
@Override
protected Iterable<JavaResourceMethod> getResourceElements() {
return GenericJavaXmlRegistry.this.getResourceElementFactoryMethods();
}
@Override
protected JavaResourceMethod getResourceElement(JaxbElementFactoryMethod contextElement) {
return contextElement.getResourceMethod();
}
}
}
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