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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.persistence;
import java.util.List;
import org.eclipse.core.resources.IFile;
import org.eclipse.jpt.core.JpaStructureNode;
import org.eclipse.jpt.core.context.MappingFile;
import org.eclipse.jpt.core.context.MappingFilePersistenceUnitDefaults;
import org.eclipse.jpt.core.context.MappingFileRoot;
import org.eclipse.jpt.core.context.PersistentType;
import org.eclipse.jpt.core.context.orm.MappingFileDefinition;
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.jpa2.context.persistence.MappingFileRef2_0;
import org.eclipse.jpt.core.resource.xml.JpaXmlResource;
import org.eclipse.jpt.utility.internal.StringTools;
import org.eclipse.wst.validation.internal.provisional.core.IMessage;
import org.eclipse.wst.validation.internal.provisional.core.IReporter;
public abstract class AbstractMappingFileRef
extends AbstractPersistenceXmlContextNode
implements MappingFileRef2_0
{
protected String fileName;
protected MappingFile mappingFile;
// ********** construction/initialization **********
protected AbstractMappingFileRef(PersistenceUnit parent, String resourceFileName) {
super(parent);
this.fileName = resourceFileName;
this.mappingFile = this.buildMappingFile();
}
protected MappingFile buildMappingFile() {
JpaXmlResource xmlResource = this.getXmlResource();
return (xmlResource == null) ? null : this.buildMappingFile(xmlResource);
}
@Override
public PersistenceUnit getParent() {
return (PersistenceUnit) super.getParent();
}
// ********** JpaStructureNode implementation **********
public String getId() {
return PersistenceStructureNodes.MAPPING_FILE_REF_ID;
}
public JpaStructureNode getStructureNode(int textOffset) {
return this;
}
public void dispose() {
if (this.mappingFile != null) {
this.mappingFile.dispose();
}
}
// ********** queries **********
public MappingFilePersistenceUnitDefaults getPersistenceUnitDefaults() {
MappingFileRoot root = this.getMappingFileRoot_();
return (root == null) ? null : root.getPersistenceUnitDefaults();
}
/**
* #getMappingFileRoot() is already defined by JpaContextNode for the
* descendants of a "mapping file root" - we want something slightly
* different here...
*/
protected MappingFileRoot getMappingFileRoot_() {
return (this.mappingFile == null) ? null : this.mappingFile.getRoot();
}
public boolean persistenceUnitDefaultsExists() {
MappingFilePersistenceUnitDefaults defaults = this.getPersistenceUnitDefaults();
return (defaults != null) && defaults.resourceExists();
}
public PersistentType getPersistentType(String typeName) {
return (this.mappingFile == null) ? null : this.mappingFile.getPersistentType(typeName);
}
// ********** file name **********
public String getFileName() {
return this.fileName;
}
// ********** mapping file **********
public MappingFile getMappingFile() {
return this.mappingFile;
}
protected void setMappingFile(MappingFile mappingFile) {
MappingFile old = this.mappingFile;
this.mappingFile = mappingFile;
this.firePropertyChanged(MAPPING_FILE_PROPERTY, old, mappingFile);
}
// ********** 2.0 static metamodel **********
public void synchronizeStaticMetamodel() {
if (this.mappingFile != null) {
this.mappingFile.synchronizeStaticMetamodel();
}
}
// ********** updating **********
protected void update() {
this.updateMappingFile();
}
protected void updateMappingFile() {
JpaXmlResource xmlResource = this.getXmlResource();
if (xmlResource != null) {
if (this.mappingFile == null) {
this.setMappingFile(this.buildMappingFile(xmlResource));
} else {
// if the resource type has changed, rebuild the mapping file
if (this.mappingFile.getXmlResource() != xmlResource) {
this.mappingFile.dispose();
this.setMappingFile(this.buildMappingFile(xmlResource));
} else {
this.mappingFile.update(xmlResource);
}
}
} else {
if (this.mappingFile != null) {
this.mappingFile.dispose();
this.setMappingFile(null);
}
}
}
/**
* The XmlMappingFileRef resource is the Persistence xml resource.
* This returns the resource of the mapping file itself.
*/
protected JpaXmlResource getXmlResource() {
return this.fileName == null ? null : this.getJpaProject().getMappingFileXmlResource(this.fileName);
}
protected MappingFile buildMappingFile(JpaXmlResource resource) {
MappingFileDefinition mappingFileDef = (MappingFileDefinition) getJpaPlatform().getResourceDefinition(resource.getResourceType());
return (mappingFileDef == null) ? null : mappingFileDef.getContextNodeFactory().buildMappingFile(this, resource);
}
@Override
public void postUpdate() {
super.postUpdate();
if (this.mappingFile != null) {
this.mappingFile.postUpdate();
}
}
// ********** validation **********
@Override
public void validate(List<IMessage> messages, IReporter reporter) {
super.validate(messages, reporter);
if (StringTools.stringIsEmpty(this.fileName)) {
messages.add(
DefaultJpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
JpaValidationMessages.PERSISTENCE_UNIT_UNSPECIFIED_MAPPING_FILE,
this,
this.getValidationTextRange()
)
);
return;
}
if (this.mappingFile == null) {
messages.add(
DefaultJpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
this.buildMissingMappingFileMessageID(),
new String[] {this.fileName},
this,
this.getValidationTextRange()
)
);
return;
}
if (this.mappingFile.getRoot() == null) {
messages.add(
DefaultJpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
JpaValidationMessages.PERSISTENCE_UNIT_INVALID_MAPPING_FILE,
new String[] {this.fileName},
this,
this.getValidationTextRange()
)
);
}
this.mappingFile.validate(messages, reporter);
}
protected String buildMissingMappingFileMessageID() {
return this.getPlatformFile().exists() ?
JpaValidationMessages.PERSISTENCE_UNIT_UNSUPPORTED_MAPPING_FILE_CONTENT
:
JpaValidationMessages.PERSISTENCE_UNIT_NONEXISTENT_MAPPING_FILE;
}
protected IFile getPlatformFile() {
return this.getJpaProject().convertToPlatformFile(this.fileName);
}
// ********** misc **********
@Override
public void toString(StringBuilder sb) {
super.toString(sb);
sb.append(this.fileName);
}
}
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