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/*******************************************************************************
* Copyright (c) 2007, 2009 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.List;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jpt.core.JpaProject;
import org.eclipse.jpt.core.JptCorePlugin;
import org.eclipse.jpt.core.context.JpaRootContextNode;
import org.eclipse.jpt.core.context.MappingFileRoot;
import org.eclipse.jpt.core.context.persistence.Persistence;
import org.eclipse.jpt.core.context.persistence.PersistenceUnit;
import org.eclipse.jpt.core.context.persistence.PersistenceXml;
import org.eclipse.jpt.core.internal.context.AbstractJpaContextNode;
import org.eclipse.jpt.core.internal.validation.DefaultJpaValidationMessages;
import org.eclipse.jpt.core.internal.validation.JpaValidationMessages;
import org.eclipse.jpt.core.resource.java.JavaResourceCompilationUnit;
import org.eclipse.jpt.core.resource.java.JavaResourcePersistentType;
import org.eclipse.jpt.core.resource.xml.JpaXmlResource;
import org.eclipse.jpt.utility.internal.CollectionTools;
import org.eclipse.jpt.utility.internal.HashBag;
import org.eclipse.jst.j2ee.model.internal.validation.ValidationCancelledException;
import org.eclipse.wst.validation.internal.provisional.core.IMessage;
import org.eclipse.wst.validation.internal.provisional.core.IReporter;
public abstract class AbstractRootContextNode
extends AbstractJpaContextNode
implements JpaRootContextNode
{
/* This object has no parent, so it must point to the JPA project explicitly. */
protected final JpaProject jpaProject;
/* Main context object. */
protected PersistenceXml persistenceXml;
protected AbstractRootContextNode(JpaProject jpaProject) {
super(null);
if (jpaProject == null) {
throw new NullPointerException();
}
this.jpaProject = jpaProject;
JpaXmlResource resource = getPersistenceXmlResource();
if (resource != null) {
this.persistenceXml = buildPersistenceXml(resource);
}
}
@Override
protected boolean requiresParent() {
return false;
}
// **************** JpaNode impl *******************************************
@Override
public JpaProject getJpaProject() {
return this.jpaProject;
}
@Override
public IResource getResource() {
return this.getProject();
}
protected IProject getProject() {
return this.jpaProject.getProject();
}
// **************** JpaContextNode impl ************************************
@Override
public PersistenceUnit getPersistenceUnit() {
// No PersistenceUnit in this context
return null;
}
@Override
public MappingFileRoot getMappingFileRoot() {
// No MappingFileRoot 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);
}
// **************** updating ***********************************************
public void update(IProgressMonitor monitor) {
JpaXmlResource resource = getPersistenceXmlResource();
if (resource != null) {
if (this.persistenceXml == null) {
this.setPersistenceXml(this.buildPersistenceXml(resource));
} else {
this.persistenceXml.update(resource);
}
} else {
this.setPersistenceXml(null);
}
}
@Override
public void postUpdate() {
super.postUpdate();
if (this.persistenceXml != null) {
this.persistenceXml.postUpdate();
}
}
protected JpaXmlResource getPersistenceXmlResource() {
return this.jpaProject.getPersistenceXmlResource();
}
protected PersistenceXml buildPersistenceXml(JpaXmlResource resource) {
return this.getJpaFactory().buildPersistenceXml(this, resource);
}
// **************** Validation *********************************************
public void validate(List<IMessage> messages, IReporter reporter) {
if (reporter.isCancelled()) {
throw new ValidationCancelledException();
}
if (this.persistenceXml == null) {
messages.add(
DefaultJpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
this.buildMissingFileMessageID(),
this
)
);
return;
}
if ( ! this.jpaProject.discoversAnnotatedClasses()) {
this.validateOrphanClasses(messages);
}
this.persistenceXml.validate(messages, reporter);
}
protected String buildMissingFileMessageID() {
return this.getPlatformFile().exists() ?
JpaValidationMessages.PERSISTENCE_XML_INVALID_CONTENT
:
JpaValidationMessages.PROJECT_NO_PERSISTENCE_XML;
}
protected IFile getPlatformFile() {
return this.jpaProject.convertToPlatformFile(JptCorePlugin.DEFAULT_PERSISTENCE_XML_FILE_PATH);
}
protected void validateOrphanClasses(List<IMessage> messages) {
Persistence persistence = this.persistenceXml.getPersistence();
if (persistence == null) {
return; // handled with other validation
}
if (persistence.persistenceUnitsSize() != 1) {
return; // the context model currently only supports 1 persistence unit
}
PersistenceUnit persistenceUnit = persistence.persistenceUnits().next();
HashBag<String> annotatedClassNames = CollectionTools.bag(this.jpaProject.annotatedClassNames());
HashBag<String> orphans = annotatedClassNames.clone();
for (String annotatedClassName : annotatedClassNames) {
if (persistenceUnit.specifiesPersistentType(annotatedClassName)) {
orphans.remove(annotatedClassName);
}
}
// TODO remove 'jrcu'
// replace jrcu.getFile() with jrpt.getFile()
// replace jrpt.getMappingAnnotation().getTextRange(jrcu.buildASTRoot())
// with jrpt.getMappingAnnotation().getTextRange()
// (new method #getTextRange() ?)
for (String orphan : orphans) {
JavaResourcePersistentType jrpt = this.jpaProject.getJavaResourcePersistentType(orphan);
JavaResourceCompilationUnit jrcu = jrpt.getJavaResourceCompilationUnit();
messages.add(
DefaultJpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
JpaValidationMessages.PERSISTENT_TYPE_UNSPECIFIED_CONTEXT,
new String[] {persistenceUnit.getName()},
jrcu.getFile(),
jrpt.getTextRange(jrcu.buildASTRoot())
)
);
}
}
}
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