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/*******************************************************************************
* Copyright (c) 2011, 2012 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.eclipselink.core.internal.context.java;
import java.util.List;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jpt.common.core.utility.TextRange;
import org.eclipse.jpt.common.utility.Filter;
import org.eclipse.jpt.common.utility.internal.ArrayTools;
import org.eclipse.jpt.common.utility.internal.CollectionTools;
import org.eclipse.jpt.common.utility.internal.StringTools;
import org.eclipse.jpt.common.utility.internal.iterables.EmptyIterable;
import org.eclipse.jpt.common.utility.internal.iterables.TransformationIterable;
import org.eclipse.jpt.jaxb.core.MappingKeys;
import org.eclipse.jpt.jaxb.core.context.JaxbClassMapping;
import org.eclipse.jpt.jaxb.core.context.JaxbPersistentAttribute;
import org.eclipse.jpt.jaxb.core.internal.context.java.AbstractJavaAttributeMapping;
import org.eclipse.jpt.jaxb.eclipselink.core.ELJaxbMappingKeys;
import org.eclipse.jpt.jaxb.eclipselink.core.context.java.ELXmlInverseReferenceMapping;
import org.eclipse.jpt.jaxb.eclipselink.core.internal.validation.ELJaxbValidationMessageBuilder;
import org.eclipse.jpt.jaxb.eclipselink.core.internal.validation.ELJaxbValidationMessages;
import org.eclipse.jpt.jaxb.eclipselink.core.resource.java.ELJaxb;
import org.eclipse.jpt.jaxb.eclipselink.core.resource.java.XmlInverseReferenceAnnotation;
import org.eclipse.wst.validation.internal.provisional.core.IMessage;
import org.eclipse.wst.validation.internal.provisional.core.IReporter;
public class ELJavaXmlInverseReferenceMapping
extends AbstractJavaAttributeMapping<XmlInverseReferenceAnnotation>
implements ELXmlInverseReferenceMapping {
protected String mappedBy;
public ELJavaXmlInverseReferenceMapping(JaxbPersistentAttribute parent) {
super(parent);
this.mappedBy = getResourceMappedBy();
}
public String getKey() {
return ELJaxbMappingKeys.XML_INVERSE_REFERENCE_ATTRIBUTE_MAPPING_KEY;
}
@Override
protected String getAnnotationName() {
return ELJaxb.XML_INVERSE_REFERENCE;
}
// ***** sync/update *****
@Override
public void synchronizeWithResourceModel() {
super.synchronizeWithResourceModel();
setMappedBy_(getResourceMappedBy());
}
// ***** mappedBy *****
public String getMappedBy() {
return mappedBy;
}
public void setMappedBy(String mappedBy) {
getXmlInverseReferenceAnnotation().setMappedBy(mappedBy);
setMappedBy_(mappedBy);
}
protected void setMappedBy_(String mappedBy) {
String old = this.mappedBy;
this.mappedBy = mappedBy;
firePropertyChanged(MAPPED_BY_PROPERTY, old, mappedBy);
}
public XmlInverseReferenceAnnotation getXmlInverseReferenceAnnotation() {
return (XmlInverseReferenceAnnotation) getJavaResourceAttribute().getAnnotation(ELJaxb.XML_INVERSE_REFERENCE);
}
public String getResourceMappedBy() {
return getXmlInverseReferenceAnnotation().getMappedBy();
}
// ***** misc *****
protected JaxbClassMapping getReferencedClassMapping() {
String referencedClassName = getValueTypeName();
return (referencedClassName == null) ? null : getContextRoot().getClassMapping(referencedClassName);
}
protected JaxbPersistentAttribute getReferencedAttribute() {
String mappedBy = getMappedBy();
if (StringTools.stringIsEmpty(mappedBy)) {
return null;
}
JaxbClassMapping referencedClassMapping = getReferencedClassMapping();
if (referencedClassMapping == null) {
return null;
}
JaxbPersistentAttribute tempResult = null;
for (JaxbPersistentAttribute attribute : referencedClassMapping.getAllLocallyDefinedAttributes()) {
if (attribute.getName().equals(mappedBy)) {
if (attribute.getMappingKey() == MappingKeys.XML_TRANSIENT_ATTRIBUTE_MAPPING_KEY) {
tempResult = attribute;
}
else {
return attribute;
}
}
}
return tempResult;
}
// ***** content assist *****
@Override
public Iterable<String> getJavaCompletionProposals(int pos, Filter<String> filter, CompilationUnit astRoot) {
Iterable<String> result = super.getJavaCompletionProposals(pos, filter, astRoot);
if (! CollectionTools.isEmpty(result)) {
return result;
}
if (getXmlInverseReferenceAnnotation().mappedByTouches(pos)) {
result = getMappedByProposals(filter);
}
if (! CollectionTools.isEmpty(result)) {
return result;
}
return EmptyIterable.instance();
}
protected Iterable<String> getMappedByProposals(Filter<String> filter) {
JaxbClassMapping referencedClassMapping = getReferencedClassMapping();
if (referencedClassMapping == null) {
return EmptyIterable.instance();
}
return StringTools.convertToJavaStringLiterals(
new TransformationIterable<JaxbPersistentAttribute, String>(referencedClassMapping.getAllLocallyDefinedAttributes()) {
@Override
protected String transform(JaxbPersistentAttribute o) {
return o.getName();
}
});
}
// ***** validation *****
@Override
public void validate(List<IMessage> messages, IReporter reporter, CompilationUnit astRoot) {
super.validate(messages, reporter, astRoot);
validateMappedBy(messages, reporter, astRoot);
}
protected void validateMappedBy(List<IMessage> messages, IReporter reporter, CompilationUnit astRoot) {
if (StringTools.stringIsEmpty(mappedBy)) {
messages.add(
ELJaxbValidationMessageBuilder.buildMessage(
IMessage.HIGH_SEVERITY,
ELJaxbValidationMessages.XML_INVERSE_REFERENCE__MAPPED_BY_NOT_SPECIFIED,
this,
getMappedByTextRange(astRoot)));
return;
}
JaxbClassMapping referencedClassMapping = getReferencedClassMapping();
if (referencedClassMapping == null) {
// TODO validate?
return;
}
JaxbPersistentAttribute referencedAttribute = getReferencedAttribute();
if (referencedAttribute == null) {
messages.add(
ELJaxbValidationMessageBuilder.buildMessage(
IMessage.HIGH_SEVERITY,
ELJaxbValidationMessages.XML_INVERSE_REFERENCE__MAPPED_BY_NOT_RESOLVED,
new String[] { mappedBy, referencedClassMapping.getJaxbType().getFullyQualifiedName() },
this,
getMappedByTextRange(astRoot)));
}
else if (
! ArrayTools.contains(
getValidReferencedAttributeMappingKeys(),
referencedAttribute.getMappingKey())) {
messages.add(
ELJaxbValidationMessageBuilder.buildMessage(
IMessage.HIGH_SEVERITY,
ELJaxbValidationMessages.XML_INVERSE_REFERENCE__MAPPED_BY_ILLEGAL_MAPPING_TYPE,
new String[] { mappedBy, referencedClassMapping.getJaxbType().getFullyQualifiedName() },
this,
getMappedByTextRange(astRoot)));
}
}
protected String[] getValidReferencedAttributeMappingKeys() {
return VALID_REFERENCED_ATTRIBUTE_MAPPING_KEYS;
}
protected static final String[] VALID_REFERENCED_ATTRIBUTE_MAPPING_KEYS = new String[] {
MappingKeys.XML_ELEMENT_ATTRIBUTE_MAPPING_KEY,
MappingKeys.XML_ELEMENTS_ATTRIBUTE_MAPPING_KEY,
MappingKeys.XML_ATTRIBUTE_ATTRIBUTE_MAPPING_KEY,
MappingKeys.XML_VALUE_ATTRIBUTE_MAPPING_KEY
};
protected TextRange getMappedByTextRange(CompilationUnit astRoot) {
TextRange textRange = getXmlInverseReferenceAnnotation().getMappedByTextRange();
return (textRange != null) ? textRange : getValidationTextRange(astRoot);
}
}
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