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/*******************************************************************************
* Copyright (c) 2008, 2015 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.jpa.eclipselink.core.internal.context.java;
import java.util.List;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jdt.core.IType;
import org.eclipse.jpt.common.core.internal.utility.TypeTools;
import org.eclipse.jpt.common.core.internal.utility.JavaProjectTools;
import org.eclipse.jpt.common.core.resource.java.JavaResourceType;
import org.eclipse.jpt.common.core.utility.TextRange;
import org.eclipse.jpt.common.utility.internal.ObjectTools;
import org.eclipse.jpt.jpa.core.internal.context.java.AbstractJavaContextModel;
import org.eclipse.jpt.jpa.eclipselink.core.context.EclipseLinkCustomizer;
import org.eclipse.jpt.jpa.eclipselink.core.context.java.EclipseLinkJavaTypeMapping;
import org.eclipse.jpt.jpa.eclipselink.core.resource.java.CustomizerAnnotation;
import org.eclipse.jpt.jpa.eclipselink.core.validation.JptJpaEclipseLinkCoreValidationMessages;
import org.eclipse.wst.validation.internal.provisional.core.IMessage;
import org.eclipse.wst.validation.internal.provisional.core.IReporter;
public class EclipseLinkJavaCustomizer
extends AbstractJavaContextModel<EclipseLinkJavaTypeMapping>
implements EclipseLinkCustomizer
{
private String specifiedCustomizerClass;
private String fullyQualifiedCustomizerClass;
public EclipseLinkJavaCustomizer(EclipseLinkJavaTypeMapping parent) {
super(parent);
this.specifiedCustomizerClass = this.buildSpecifiedCustomizerClass();
}
// ********** synchronize/update **********
@Override
public void synchronizeWithResourceModel(IProgressMonitor monitor) {
super.synchronizeWithResourceModel(monitor);
this.setSpecifiedCustomizerClass_(this.buildSpecifiedCustomizerClass());
}
@Override
public void update(IProgressMonitor monitor) {
super.update(monitor);
this.setFullyQualifiedCustomizerClass(this.buildFullyQualifiedCustomizerClass());
}
// ********** customizer class **********
public String getCustomizerClass() {
return (this.specifiedCustomizerClass != null) ? this.specifiedCustomizerClass : null;
}
public String getSpecifiedCustomizerClass() {
return this.specifiedCustomizerClass;
}
public void setSpecifiedCustomizerClass(String customizerClass) {
if (ObjectTools.notEquals(customizerClass, this.specifiedCustomizerClass)) {
CustomizerAnnotation annotation = this.getCustomizerAnnotation();
if (customizerClass == null) {
if (annotation != null) {
this.removeCustomizerAnnotation();
}
} else {
if (annotation == null) {
annotation = this.addCustomizerAnnotation();
}
annotation.setValue(customizerClass);
}
this.setSpecifiedCustomizerClass_(customizerClass);
}
}
protected void setSpecifiedCustomizerClass_(String customizerClass) {
String old = this.specifiedCustomizerClass;
this.specifiedCustomizerClass = customizerClass;
this.firePropertyChanged(SPECIFIED_CUSTOMIZER_CLASS_PROPERTY, old, customizerClass);
}
protected String buildSpecifiedCustomizerClass() {
CustomizerAnnotation annotation = this.getCustomizerAnnotation();
return (annotation == null) ? null : annotation.getValue();
}
public String getDefaultCustomizerClass() {
return null; // no default for Java
}
// ********** fully-qualified customizer class **********
public String getFullyQualifiedCustomizerClass() {
return this.fullyQualifiedCustomizerClass;
}
protected void setFullyQualifiedCustomizerClass(String customizerClass) {
String old = this.fullyQualifiedCustomizerClass;
this.fullyQualifiedCustomizerClass = customizerClass;
this.firePropertyChanged(FULLY_QUALIFIED_CUSTOMIZER_CLASS_PROPERTY, old, customizerClass);
}
protected String buildFullyQualifiedCustomizerClass() {
CustomizerAnnotation annotation = this.getCustomizerAnnotation();
return (annotation == null) ? null : annotation.getFullyQualifiedCustomizerClassName();
}
// ********** customizer annotation **********
protected CustomizerAnnotation getCustomizerAnnotation() {
return (CustomizerAnnotation) this.getJavaResourceType().getAnnotation(this.getCustomizerAnnotationName());
}
protected CustomizerAnnotation addCustomizerAnnotation() {
return (CustomizerAnnotation) this.getJavaResourceType().addAnnotation(this.getCustomizerAnnotationName());
}
protected void removeCustomizerAnnotation() {
this.getJavaResourceType().removeAnnotation(this.getCustomizerAnnotationName());
}
protected String getCustomizerAnnotationName() {
return CustomizerAnnotation.ANNOTATION_NAME;
}
// ********** misc **********
protected EclipseLinkJavaTypeMapping getTypeMapping() {
return this.parent;
}
protected JavaResourceType getJavaResourceType() {
return this.getTypeMapping().getJavaResourceType();
}
public char getCustomizerClassEnclosingTypeSeparator() {
return '.';
}
// ********** validation **********
@Override
public void validate(List<IMessage> messages, IReporter reporter) {
super.validate(messages, reporter);
this.validateCustomizerClass(messages);
}
protected void validateCustomizerClass(List<IMessage> messages) {
if (this.getFullyQualifiedCustomizerClass() == null) {
return;
}
//if the type cannot be resolved there is no need to perform the following validation,
//JDT will note the error in the source
IType customizerJdtType = JavaProjectTools.findType(this.getJavaProject(), this.getFullyQualifiedCustomizerClass());
if (customizerJdtType == null) {
return;
}
if (!TypeTools.hasPublicZeroArgConstructor(customizerJdtType)) {
messages.add(
this.buildValidationMessage(
this.getCustomizerClassTextRange(),
JptJpaEclipseLinkCoreValidationMessages.DESCRIPTOR_CUSTOMIZER_CLASS_NOT_VALID,
this.getFullyQualifiedCustomizerClass()
)
);
}
if (!customizerClassImplementsInterface(ECLIPSELINK_DESCRIPTOR_CUSTOMIZER_CLASS_NAME)) {
messages.add(
this.buildValidationMessage(
this.getCustomizerClassTextRange(),
JptJpaEclipseLinkCoreValidationMessages.DESCRIPTOR_CUSTOMIZER_CLASS_IMPLEMENTS_DESCRIPTOR_CUSTOMIZER,
this.getFullyQualifiedCustomizerClass()
)
);
}
}
protected boolean customizerClassImplementsInterface(String interfaceName) {
return this.typeImplementsInterface(this.getFullyQualifiedCustomizerClass(), interfaceName);
}
/**
* Add <code>null</code> check.
*/
protected boolean typeImplementsInterface(String typeName, String interfaceName) {
return (typeName != null) &&
TypeTools.isSubType(typeName, interfaceName, this.getJavaProject());
}
protected TextRange getCustomizerClassTextRange() {
return this.getValidationTextRange(this.getCustomizerAnnotation().getValueTextRange());
}
public TextRange getValidationTextRange() {
TextRange textRange = this.getCustomizerAnnotation().getTextRange();
return (textRange != null) ? textRange : this.getTypeMapping().getValidationTextRange();
}
}
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