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/*******************************************************************************
* Copyright (c) 2007 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.persistence;
import java.util.List;
import org.eclipse.jpt.core.JpaStructureNode;
import org.eclipse.jpt.core.JptCorePlugin;
import org.eclipse.jpt.core.context.java.JavaPersistentType;
import org.eclipse.jpt.core.context.persistence.ClassRef;
import org.eclipse.jpt.core.context.persistence.MappingFileRef;
import org.eclipse.jpt.core.context.persistence.PersistenceStructureNodes;
import org.eclipse.jpt.core.context.persistence.PersistenceUnit;
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.XmlJavaClassRef;
import org.eclipse.jpt.core.utility.TextRange;
import org.eclipse.jpt.utility.internal.CollectionTools;
import org.eclipse.jpt.utility.internal.StringTools;
import org.eclipse.wst.validation.internal.provisional.core.IMessage;
/**
* This is the context model object which corresponds to the
* persistence resource model object XmlJavaClassRef.
* XmlJavaClassRef corresponds to the class tag in the persistence.xml
*/
public class GenericClassRef extends AbstractPersistenceJpaContextNode
implements ClassRef
{
//this is null for the implied classRef case
protected XmlJavaClassRef xmlJavaClassRef;
protected String className;
protected JavaPersistentType javaPersistentType;
public GenericClassRef(PersistenceUnit parent, XmlJavaClassRef classRef) {
super(parent);
initialize(classRef);
}
public GenericClassRef(PersistenceUnit parent, String className) {
super(parent);
initialize(className);
}
public String getId() {
return PersistenceStructureNodes.CLASS_REF_ID;
}
public boolean isFor(String fullyQualifiedTypeName) {
if (getClassName() == null) {
return false;
}
return getClassName().equals(fullyQualifiedTypeName);
}
public boolean isVirtual() {
return this.xmlJavaClassRef == null;
}
// **************** class name *********************************************
public String getClassName() {
return this.className;
}
public void setClassName(String newClassName) {
String oldClassName = this.className;
this.className = newClassName;
this.xmlJavaClassRef.setJavaClass(newClassName);
firePropertyChanged(CLASS_NAME_PROPERTY, oldClassName, newClassName);
}
protected void setClassName_(String newClassName) {
String oldClassName = this.className;
this.className = newClassName;
firePropertyChanged(CLASS_NAME_PROPERTY, oldClassName, newClassName);
}
// **************** java persistent type ***********************************
public JavaPersistentType getJavaPersistentType() {
return this.javaPersistentType;
}
protected void setJavaPersistentType(JavaPersistentType newJavaPersistentType) {
JavaPersistentType oldJavaPersistentType = this.javaPersistentType;
this.javaPersistentType = newJavaPersistentType;
firePropertyChanged(ClassRef.JAVA_PERSISTENT_TYPE_PROPERTY, oldJavaPersistentType, newJavaPersistentType);
}
// **************** updating ***********************************************
protected void initialize(XmlJavaClassRef classRef) {
this.xmlJavaClassRef = classRef;
this.className = classRef.getJavaClass();
initializeJavaPersistentType();
}
protected void initialize(String className) {
this.className = className;
initializeJavaPersistentType();
}
protected void initializeJavaPersistentType() {
JavaResourcePersistentType persistentTypeResource = getJpaProject().getJavaPersistentTypeResource(getClassName());
if (persistentTypeResource != null) {
this.javaPersistentType = buildJavaPersistentType(persistentTypeResource);
}
}
public void update(XmlJavaClassRef classRef) {
this.xmlJavaClassRef = classRef;
setClassName_(classRef.getJavaClass());
updateJavaPersistentType();
}
public void update(String className) {
this.xmlJavaClassRef = null;
setClassName_(className);
updateJavaPersistentType();
}
protected void updateJavaPersistentType() {
JavaResourcePersistentType persistentTypeResource = getJpaProject().getJavaPersistentTypeResource(getClassName());
if (persistentTypeResource == null) {
if (getJavaPersistentType() != null) {
getJavaPersistentType().dispose();
}
setJavaPersistentType(null);
}
else {
if (getJavaPersistentType() != null) {
getJavaPersistentType().update(persistentTypeResource);
}
else {
setJavaPersistentType(buildJavaPersistentType(persistentTypeResource));
}
}
}
protected JavaPersistentType buildJavaPersistentType(JavaResourcePersistentType resourcePersistentType) {
return getJpaFactory().buildJavaPersistentType(this, resourcePersistentType);
}
// *************************************************************************
// ************************* validation *********************************
@Override
public void addToMessages(List<IMessage> messages) {
super.addToMessages(messages);
addUnspecifiedClassMessage(messages);
addUnresolvedClassMessage(messages);
addJavaPersistentTypeMessages(messages);
}
protected void addUnspecifiedClassMessage(List<IMessage> messages) {
if (StringTools.stringIsEmpty(getClassName())) {
messages.add(
DefaultJpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
JpaValidationMessages.PERSISTENCE_UNIT_UNSPECIFIED_CLASS,
this, getValidationTextRange())
);
}
}
protected void addUnresolvedClassMessage(List<IMessage> messages) {
if (! StringTools.stringIsEmpty(getClassName()) && getJavaPersistentType() == null) {
messages.add(
DefaultJpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
JpaValidationMessages.PERSISTENCE_UNIT_NONEXISTENT_CLASS,
new String[] {getClassName()},
this,
this.getValidationTextRange())
);
}
}
protected void addJavaPersistentTypeMessages(List<IMessage> messages) {
if (getJavaPersistentType() != null) { //class might not resolve to a java type
MappingFileRef mappingFileRef = getMappingFileContaining(getClassName());
if (mappingFileRef != null) {
messages.add(DefaultJpaValidationMessages.buildMessage(
IMessage.LOW_SEVERITY,
JpaValidationMessages.PERSISTENCE_UNIT_REDUNDANT_CLASS,
new String[] { this.getClassName(), mappingFileRef.getFileName()},
this,
this.getValidationTextRange()));
}
else {
try {
//bug 190062 - only add java validation messages if this class is not listed in a mapping file
getJavaPersistentType().addToMessages(messages);
} catch (Throwable t) {
JptCorePlugin.log(t);
}
}
}
}
//possibly move this and make it API on PersistenceUnit
/**
* Return the mapping file that contains a persistent type for the given
* type name. Return null if no mapping file contains the persistent type.
*/
protected MappingFileRef getMappingFileContaining(String fullyQualifiedTypeName) {
for (MappingFileRef mappingFileRef : CollectionTools.iterable(getPersistenceUnit().mappingFileRefs())) {
if (mappingFileRef.getPersistentType(fullyQualifiedTypeName) != null) {
return mappingFileRef;
}
}
return null;
}
public JpaStructureNode getStructureNode(int textOffset) {
return this;
}
public boolean containsOffset(int textOffset) {
if (isVirtual()) {
return false;
}
return this.xmlJavaClassRef.containsOffset(textOffset);
}
public TextRange getSelectionTextRange() {
if (isVirtual()) {
return null;
}
return this.xmlJavaClassRef.getSelectionTextRange();
}
public TextRange getValidationTextRange() {
if (isVirtual()) {
return null;
}
return this.xmlJavaClassRef.getValidationTextRange();
}
@Override
public void toString(StringBuilder sb) {
sb.append(getClassName());
}
public void dispose() {
if (getJavaPersistentType() != null) {
getJavaPersistentType().dispose();
}
}
}
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