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/*******************************************************************************
* Copyright (c) 2010 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.refactoring;
import java.util.ArrayList;
import java.util.Collection;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jpt.core.JptCorePlugin;
import org.eclipse.jpt.core.context.persistence.MappingFileRef;
import org.eclipse.jpt.core.context.persistence.PersistenceUnit;
import org.eclipse.jpt.utility.internal.iterables.CompositeIterable;
import org.eclipse.jpt.utility.internal.iterables.TransformationIterable;
import org.eclipse.text.edits.ReplaceEdit;
//TODO RenameTypeArguments.updateSimilarDeclarations() - http://www.eclipse.org/jdt/ui/r3_2/RenameType.html
public class JpaRenameTypeParticipant
extends AbstractJpaRenameJavaElementParticipant {
protected final Collection<IType> nestedTypes;
public JpaRenameTypeParticipant() {
super();
this.nestedTypes = new ArrayList<IType>();
}
@Override
public String getName() {
return JpaCoreRefactoringMessages.JPA_RENAME_TYPE_REFACTORING_PARTICIPANT_NAME;
}
protected IType getOriginalType() {
return (IType) super.getOriginalJavaElement();
}
@Override
protected boolean initialize(Object element) {
boolean initialize = super.initialize(element);
if (initialize) {
this.addNestedTypes(this.getOriginalType());
return true;
}
return false;
}
protected void addNestedType(IType renamedType) {
this.nestedTypes.add(renamedType);
this.addNestedTypes(renamedType);
}
private void addNestedTypes(IType renamedType) {
IType[] nestedTypes;
try {
nestedTypes = renamedType.getTypes();
}
catch (JavaModelException ex) {
JptCorePlugin.log(ex);
return;
}
for (IType nestedType : nestedTypes) {
this.addNestedType(nestedType);
}
}
//**************** AbstractJpaRenameJavaElementParticipant implementation *****************
@SuppressWarnings("unchecked")
@Override
protected Iterable<ReplaceEdit> createPersistenceXmlReplaceEdits(PersistenceUnit persistenceUnit) {
return new CompositeIterable<ReplaceEdit>(
this.createPersistenceXmlReplaceOriginalTypeEdits(persistenceUnit),
this.createPersistenceXmlReplaceNestedTypeEdits(persistenceUnit));
}
private Iterable<ReplaceEdit> createPersistenceXmlReplaceOriginalTypeEdits(PersistenceUnit persistenceUnit) {
return persistenceUnit.createRenameTypeEdits(this.getOriginalType(), this.getNewName());
}
private Iterable<ReplaceEdit> createPersistenceXmlReplaceNestedTypeEdits(final PersistenceUnit persistenceUnit) {
return new CompositeIterable<ReplaceEdit>(
new TransformationIterable<IType, Iterable<ReplaceEdit>>(this.nestedTypes) {
@Override
protected Iterable<ReplaceEdit> transform(IType nestedType) {
String newName = getNewNameForNestedType(nestedType);
return persistenceUnit.createRenameTypeEdits(nestedType, newName);
}
}
);
}
@SuppressWarnings("unchecked")
@Override
protected Iterable<ReplaceEdit> createMappingFileReplaceEdits(MappingFileRef mappingFileRef) {
return new CompositeIterable<ReplaceEdit>(
this.createMappingFileReplaceOriginalTypeEdits(mappingFileRef),
this.createMappingFileReplaceNestedTypeEdits(mappingFileRef));
}
private Iterable<ReplaceEdit> createMappingFileReplaceOriginalTypeEdits(MappingFileRef mappingFileRef) {
return mappingFileRef.createRenameTypeEdits(this.getOriginalType(), this.getNewName());
}
private Iterable<ReplaceEdit> createMappingFileReplaceNestedTypeEdits(final MappingFileRef mappingFileRef) {
return new CompositeIterable<ReplaceEdit>(
new TransformationIterable<IType, Iterable<ReplaceEdit>>(this.nestedTypes) {
@Override
protected Iterable<ReplaceEdit> transform(IType nestedType) {
String newName = getNewNameForNestedType(nestedType);
return mappingFileRef.createRenameTypeEdits(nestedType, newName);
}
}
);
}
protected String getNewName() {
String newName = getArguments().getNewName();
try {
if (this.getOriginalType().isMember()) {
newName = this.getOriginalType().getTypeQualifiedName().substring(0, this.getOriginalType().getTypeQualifiedName().lastIndexOf('$')) + '$' + newName;
}
}
catch (JavaModelException e) {
JptCorePlugin.log(e);
}
return newName;
}
protected String getNewNameForNestedType(IType nestedType) {
return nestedType.getTypeQualifiedName('$').replaceFirst(this.getOriginalType().getElementName(), getArguments().getNewName());
}
@Override
protected String getCheckConditionsSubTaskName() {
return JpaCoreRefactoringMessages.JPA_RENAME_TYPE_REFACTORING_SUB_TASK_NAME;
}
@Override
protected String getCreateChangeSubTaskName() {
return JpaCoreRefactoringMessages.JPA_RENAME_TYPE_REFACTORING_SUB_TASK_NAME;
}
@Override
protected String getCompositeChangeName() {
return JpaCoreRefactoringMessages.JPA_RENAME_TYPE_REFACTORING_CHANGE_NAME;
}
@Override
protected String getPersistenceXmlChangeName() {
return JpaCoreRefactoringMessages.JPA_RENAME_TYPE_REFACTORING_CHANGE_PERSISTENCE_XML_NAME;
}
@Override
protected String getMappingFileChangeName() {
return JpaCoreRefactoringMessages.JPA_RENAME_TYPE_REFACTORING_CHANGE_MAPPING_FILE_NAME;
}
}
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