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/*******************************************************************************
* Copyright (c) 2007, 2008 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.core.internal.context;
import java.util.Collection;
import java.util.List;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jpt.core.JpaProject;
import org.eclipse.jpt.core.JptCorePlugin;
import org.eclipse.jpt.core.context.JpaContextNode;
import org.eclipse.jpt.core.context.JpaRootContextNode;
import org.eclipse.jpt.core.context.orm.EntityMappings;
import org.eclipse.jpt.core.context.orm.OrmPersistentType;
import org.eclipse.jpt.core.context.persistence.ClassRef;
import org.eclipse.jpt.core.context.persistence.MappingFileRef;
import org.eclipse.jpt.core.context.persistence.PersistenceUnit;
import org.eclipse.jpt.core.context.persistence.PersistenceXml;
import org.eclipse.jpt.core.internal.utility.jdt.JDTTools;
import org.eclipse.jpt.core.internal.validation.DefaultJpaValidationMessages;
import org.eclipse.jpt.core.internal.validation.JpaValidationMessages;
import org.eclipse.jpt.core.resource.java.JavaResourcePersistentType;
import org.eclipse.jpt.core.resource.persistence.PersistenceArtifactEdit;
import org.eclipse.jpt.core.resource.persistence.PersistenceResource;
import org.eclipse.jpt.utility.internal.CollectionTools;
import org.eclipse.wst.common.internal.emfworkbench.WorkbenchResourceHelper;
import org.eclipse.wst.validation.internal.provisional.core.IMessage;
public class GenericRootContextNode extends AbstractJpaContextNode
implements JpaRootContextNode
{
/* This object has no parent, so it must point to the JPA project */
protected final JpaProject jpaProject;
/* Main context object */
protected PersistenceXml persistenceXml;
public GenericRootContextNode(JpaProject jpaProject) {
super(null);
if (jpaProject == null) {
throw new IllegalArgumentException("The JPA project must not be null");
}
this.jpaProject = jpaProject;
PersistenceArtifactEdit pae = PersistenceArtifactEdit.getArtifactEditForRead(jpaProject.getProject());
PersistenceResource pr = pae.getResource();
if (pr.exists()) {
this.persistenceXml = this.buildPersistenceXml(pr);
}
pae.dispose();
}
@Override
protected boolean requiresParent() {
return false;
}
// **************** JpaNode impl *******************************************
@Override
public JpaProject getJpaProject() {
return this.jpaProject;
}
@Override
public IResource getResource() {
return getJpaProject().getProject();
}
@Override
public JpaContextNode getParent() {
return null;
}
// **************** JpaContextNode impl ************************************
@Override
public PersistenceUnit getPersistenceUnit() {
// No PersistenceUnit in this context
return null;
}
@Override
public EntityMappings getEntityMappings() {
// No EntityMappings in this context
return null;
}
@Override
public OrmPersistentType getOrmPersistentType() {
// No OrmPersistentType in this context
return null;
}
// **************** persistence xml ****************************************
public PersistenceXml getPersistenceXml() {
return this.persistenceXml;
}
protected void setPersistenceXml(PersistenceXml persistenceXml) {
PersistenceXml old = this.persistenceXml;
this.persistenceXml = persistenceXml;
this.firePropertyChanged(PERSISTENCE_XML_PROPERTY, old, persistenceXml);
}
public PersistenceXml addPersistenceXml() {
if (this.persistenceXml != null) {
throw new IllegalStateException();
}
PersistenceArtifactEdit pae = PersistenceArtifactEdit.getArtifactEditForWrite(this.getJpaProject().getProject());
PersistenceResource pr = pae.createDefaultResource();
pae.dispose();
PersistenceXml px = this.buildPersistenceXml(pr);
this.setPersistenceXml(px);
return px;
}
public void removePersistenceXml() {
if (this.persistenceXml == null) {
throw new IllegalStateException();
}
this.persistenceXml.dispose();
PersistenceArtifactEdit pae = PersistenceArtifactEdit.getArtifactEditForWrite(getJpaProject().getProject());
PersistenceResource pr = pae.getResource();
pae.dispose();
try {
WorkbenchResourceHelper.deleteResource(pr);
}
catch (CoreException ce) {
JptCorePlugin.log(ce);
}
if (! pr.exists()) {
setPersistenceXml(null);
}
}
// **************** updating ***********************************************
public void update(IProgressMonitor monitor) {
PersistenceArtifactEdit pae = PersistenceArtifactEdit.getArtifactEditForRead(getJpaProject().getProject());
PersistenceResource pr = pae.getResource();
if (pr.exists()) {
if (this.persistenceXml != null) {
this.persistenceXml.update(pr);
}
else {
setPersistenceXml(this.buildPersistenceXml(pr));
}
}
else {
setPersistenceXml(null);
}
pae.dispose();
}
protected PersistenceXml buildPersistenceXml(PersistenceResource persistenceResource) {
return this.getJpaFactory().buildPersistenceXml(this, persistenceResource);
}
// **************** Validation *********************************************
/* If this is true, it may be assumed that all the requirements are valid
* for further validation. For example, if this is true at the point we
* are validating persistence units, it may be assumed that there is a
* single persistence.xml and that it has valid content down to the
* persistence unit level. */
private boolean okToContinueValidation = true;
public void addToMessages(List<IMessage> messages) {
addNoPersistenceXmlMessage(messages);
//TODO - multiple persistence unit message
addOrphanedJavaClassMessages(messages);
if(okToContinueValidation) {
getPersistenceXml().addToMessages(messages);
}
}
protected void addNoPersistenceXmlMessage(List<IMessage> messages) {
if (persistenceXml == null) {
messages.add(
DefaultJpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
JpaValidationMessages.PROJECT_NO_PERSISTENCE_XML,
this)
);
okToContinueValidation = false;
}
}
protected void addOrphanedJavaClassMessages(List<IMessage> messages) {
if (getPersistenceXml() == null) {
//handled with other validation
return;
}
if (getPersistenceXml().getPersistence() == null) {
//handled with other validation
return;
}
if (getJpaProject().discoversAnnotatedClasses()) {
return;
}
Collection<String> orphanedClassNames = CollectionTools.collection(getJpaProject().annotatedClassNames());
if (getPersistenceXml().getPersistence().persistenceUnitsSize() != 1) {
//context model currently only supports 1 persistenceUnit
return;
}
PersistenceUnit persistenceUnit = getPersistenceXml().getPersistence().persistenceUnits().next();
for (String typeName : CollectionTools.iterable(getJpaProject().annotatedClassNames())) {
for (ClassRef classRef : CollectionTools.iterable(persistenceUnit.specifiedClassRefs())) {
if (classRef.isFor(typeName)) {
orphanedClassNames.remove(typeName);
}
}
for (MappingFileRef mappingFileRef : CollectionTools.iterable(persistenceUnit.mappingFileRefs())) {
if (mappingFileRef.getOrmXml() == null || mappingFileRef.getOrmXml().getEntityMappings() == null) {
continue;
}
if (mappingFileRef.getOrmXml().getEntityMappings().getPersistentType(typeName) != null) {
orphanedClassNames.remove(typeName);
}
}
}
for (String orphanedTypeName : orphanedClassNames) {
JavaResourcePersistentType javaResourcePersistentType = getJpaProject().getJavaPersistentTypeResource(orphanedTypeName);
messages.add(
DefaultJpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
JpaValidationMessages.PERSISTENT_TYPE_UNSPECIFIED_CONTEXT,
new String[] {persistenceUnit.getName()},
javaResourcePersistentType.getResourceModel().getFile(),
javaResourcePersistentType.getMappingAnnotation().getTextRange(JDTTools.buildASTRoot(javaResourcePersistentType.getJpaCompilationUnit().getCompilationUnit())))
);
}
}
}
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