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/*******************************************************************************
* <copyright>
*
* Copyright (c) 2012 SAP AG and others.
* 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:
* Petya Sabeva - initial API, implementation and documentation
*
* </copyright>
*
*******************************************************************************/
package org.eclipse.jpt.jpadiagrameditor.ui.internal.command;
import java.util.Locale;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.graphiti.ui.editor.IDiagramContainerUI;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.IField;
import org.eclipse.jdt.core.IMethod;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jpt.common.core.resource.java.JavaResourceType;
import org.eclipse.jpt.common.utility.command.Command;
import org.eclipse.jpt.jpa.core.context.PersistentType;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.JPADiagramEditorPlugin;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.provider.IJPAEditorFeatureProvider;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.JPAEditorUtil;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.JpaArtifactFactory;
import org.eclipse.ui.IWorkbenchSite;
public class DeleteAttributeCommand implements Command {
private PersistentType jpt;
private String attributeName;
private IJPAEditorFeatureProvider fp;
private ICompilationUnit unit;
public DeleteAttributeCommand(ICompilationUnit unit, PersistentType jpt, String attributeName,
IJPAEditorFeatureProvider fp) {
super();
this.jpt = jpt;
this.unit = unit;
this.attributeName = attributeName;
this.fp = fp;
}
public void execute() {
boolean isMethodAnnotated = false;
if(jpt != null) {
JpaArtifactFactory.instance().removeOrmPersistentAttribute(jpt, attributeName);
unit = fp.getCompilationUnit(jpt);
isMethodAnnotated = JpaArtifactFactory.instance()
.isMethodAnnotated(jpt);
}
IType javaType = unit.findPrimaryType();
String attrNameWithCapitalLetter = attributeName.substring(0, 1)
.toUpperCase(Locale.ENGLISH) + attributeName.substring(1);
String typeSignature = null;
String getterPrefix = "get"; //$NON-NLS-1$
String methodName = getterPrefix + attrNameWithCapitalLetter;
IMethod getAttributeMethod = javaType.getMethod(methodName,
new String[0]);
if (!getAttributeMethod.exists()) {
getterPrefix = "is"; //$NON-NLS-1$
}
methodName = getterPrefix + attrNameWithCapitalLetter; //$NON-NLS-1$
getAttributeMethod = javaType.getMethod(methodName, new String[0]);
try {
if ((getAttributeMethod != null) && getAttributeMethod.exists())
typeSignature = getAttributeMethod.getReturnType();
} catch (JavaModelException e1) {
JPADiagramEditorPlugin.logError("Cannot obtain the type of the getter with name " + methodName + "()", e1); //$NON-NLS-1$ //$NON-NLS-2$
}
if (typeSignature == null)
methodName = null;
if (isMethodAnnotated) {
try {
IField attributeField = javaType.getField(attributeName);
if ((attributeField != null) && !attributeField.exists())
attributeField = javaType.getField(JPAEditorUtil.revertFirstLetterCase(attributeName));
if ((attributeField != null) && attributeField.exists())
attributeField.delete(true, new NullProgressMonitor());
} catch (JavaModelException e) {
JPADiagramEditorPlugin.logError("Cannot remove the attribute field with name " + attributeName, e); //$NON-NLS-1$
}
try {
methodName = getterPrefix + attrNameWithCapitalLetter; //$NON-NLS-1$
if (getAttributeMethod != null) {
typeSignature = getAttributeMethod.getReturnType();
if (getAttributeMethod.exists())
getAttributeMethod.delete(true, new NullProgressMonitor());
}
} catch (JavaModelException e) {
JPADiagramEditorPlugin.logError("Cannot remove the attribute getter with name " + methodName + "()", e); //$NON-NLS-1$ //$NON-NLS-2$
}
} else {
try {
methodName = getterPrefix + attrNameWithCapitalLetter; //$NON-NLS-1$
if (getAttributeMethod.exists()) {
typeSignature = getAttributeMethod.getReturnType();
getAttributeMethod.delete(true, new NullProgressMonitor());
}
} catch (JavaModelException e) {
JPADiagramEditorPlugin.logError("Cannot remove the attribute getter with name " + methodName + "()", e); //$NON-NLS-1$ //$NON-NLS-2$
}
try {
IField attributeField = javaType.getField(this.attributeName);
if (attributeField != null)
if (!attributeField.exists())
attributeField = javaType.getField(JPAEditorUtil.revertFirstLetterCase(attributeName));
if ((attributeField != null) && attributeField.exists())
attributeField.delete(true, new NullProgressMonitor());
} catch (JavaModelException e) {
JPADiagramEditorPlugin.logError("Cannot remove the attribute field with name " + attributeName, e); //$NON-NLS-1$
}
}
try {
methodName = "set" + attrNameWithCapitalLetter; //$NON-NLS-1$
if(typeSignature != null) {
IMethod setAttributeMethod = javaType.getMethod(methodName,
new String[] { typeSignature });
if ((setAttributeMethod != null) && setAttributeMethod.exists())
setAttributeMethod.delete(true, new NullProgressMonitor());
}
} catch (Exception e) {
JPADiagramEditorPlugin.logError("Cannot remove the attribute setter with name " + methodName + "(...)", e); //$NON-NLS-1$ //$NON-NLS-2$
}
IWorkbenchSite ws = ((IDiagramContainerUI)fp.getDiagramTypeProvider().getDiagramBehavior().getDiagramContainer()).getSite();
JPAEditorUtil.organizeImports(unit, ws);
if(jpt != null) {
jpt.getJpaProject().getContextModelRoot().synchronizeWithResourceModel();
JavaResourceType jrt = jpt.getJavaResourceType();
jrt.getJavaResourceCompilationUnit().synchronizeWithJavaSource();
jpt.update();
}
}
}
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