/*******************************************************************************
* Copyright (c) 2011 Spring IDE Developers
* 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:
* Spring IDE Developers - initial API and implementation
*******************************************************************************/
package org.springframework.ide.eclipse.beans.ui.refactoring.jdt;
import java.util.HashSet;
import java.util.Set;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.ILocalVariable;
import org.eclipse.jdt.core.IMethod;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.ltk.core.refactoring.Change;
import org.eclipse.ltk.core.refactoring.CompositeChange;
import org.eclipse.ltk.core.refactoring.RefactoringStatus;
import org.eclipse.ltk.core.refactoring.participants.CheckConditionsContext;
import org.eclipse.ltk.core.refactoring.participants.RenameParticipant;
import org.springframework.ide.eclipse.beans.core.BeansCorePlugin;
import org.springframework.ide.eclipse.beans.core.model.IBeansConfig;
import org.springframework.ide.eclipse.beans.core.model.IBeansImport;
import org.springframework.ide.eclipse.beans.core.model.IBeansProject;
import org.springframework.ide.eclipse.beans.ui.refactoring.util.BeansRefactoringChangeUtils;
import org.springframework.ide.eclipse.core.SpringCoreUtils;
/**
* @author Martin Lippert
* @since 2.8.0
*/
public class ConstructorArgumentRenameRefactoringParticipant extends RenameParticipant {
private ILocalVariable refactoredVariable;
private String newName;
@Override
protected boolean initialize(Object element) {
if (element instanceof ILocalVariable) {
ILocalVariable variable = (ILocalVariable) element;
IJavaProject javaProject = (IJavaProject) variable.getAncestor(IJavaElement.JAVA_PROJECT);
IProject project = javaProject.getProject();
if (SpringCoreUtils.isSpringProject(project) && variable.getParent() instanceof IMethod) {
IMethod method = (IMethod) variable.getParent();
try {
if (method.isConstructor()) {
refactoredVariable = variable;
newName = getArguments().getNewName();
return true;
}
} catch (JavaModelException e) {
}
}
}
return false;
}
@Override
public String getName() {
return "Rename constructor arguments referenced in Spring Bean definitions";
}
@Override
public RefactoringStatus checkConditions(IProgressMonitor pm,
CheckConditionsContext context) throws OperationCanceledException {
return new RefactoringStatus();
}
@Override
public Change createChange(IProgressMonitor pm) throws CoreException, OperationCanceledException {
Set<IResource> processedResources = new HashSet<IResource>();
CompositeChange result = new CompositeChange(getName());
Set<IBeansProject> projects = BeansCorePlugin.getModel().getProjects();
for (IBeansProject beansProject : projects) {
Set<IBeansConfig> beansConfigs = beansProject.getConfigs();
for (IBeansConfig beansConfig : beansConfigs) {
if (!processedResources.contains(beansConfig.getElementResource())) {
addChange(result, beansConfig.getElementResource(), pm);
processedResources.add(beansConfig.getElementResource());
}
for (IBeansImport import_ : beansConfig.getImports()) {
for (IBeansConfig config : import_
.getImportedBeansConfigs()) {
if (!processedResources.contains(config
.getElementResource())) {
addChange(result, config.getElementResource(), pm);
processedResources.add(config.getElementResource());
}
}
}
}
}
return (result.getChildren().length == 0) ? null : result;
}
protected void addChange(CompositeChange result, IResource resource,
IProgressMonitor pm) throws CoreException {
if (resource.exists()) {
Change change = BeansRefactoringChangeUtils
.createConstructorArgumentRenameChange((IFile) resource,
refactoredVariable, newName, pm);
if (change != null)
result.add(change);
}
}
}