/*******************************************************************************
* Copyright (c) 2009 Red Hat, Inc.
* Distributed under license by Red Hat, Inc. All rights reserved.
* This program is 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:
* Red Hat, Inc. - initial API and implementation
******************************************************************************/
package org.jboss.tools.seam.internal.core.refactoring;
import java.util.Set;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.OperationCanceledException;
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.RefactoringParticipant;
import org.eclipse.ltk.core.refactoring.participants.SharableParticipants;
import org.eclipse.ltk.internal.core.refactoring.Messages;
import org.jboss.tools.seam.core.BijectedAttributeType;
import org.jboss.tools.seam.core.IBijectedAttribute;
import org.jboss.tools.seam.core.ISeamComponent;
import org.jboss.tools.seam.core.ISeamContextShortVariable;
import org.jboss.tools.seam.core.ISeamContextVariable;
import org.jboss.tools.seam.core.ISeamFactory;
import org.jboss.tools.seam.core.ISeamProject;
import org.jboss.tools.seam.core.SeamCoreMessages;
import org.jboss.tools.seam.core.SeamCorePlugin;
import org.jboss.tools.seam.core.SeamProjectsSet;
import org.jboss.tools.seam.internal.core.scanner.java.SeamAnnotations;
/**
* @author Daniel Azarov
*/
public class RenameSeamContextVariableProcessor extends SeamRenameProcessor {
IFile file;
/**
* @param file where refactor was called
*/
public RenameSeamContextVariableProcessor(IFile file, String oldName) {
super();
this.file = file;
setOldName(oldName);
}
/*
* (non-Javadoc)
* @see org.eclipse.ltk.core.refactoring.participants.RefactoringProcessor#checkFinalConditions(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.ltk.core.refactoring.participants.CheckConditionsContext)
*/
@Override
public RefactoringStatus checkFinalConditions(IProgressMonitor pm,
CheckConditionsContext context) throws CoreException,
OperationCanceledException {
status = new RefactoringStatus();
rootChange = new CompositeChange(SeamCoreMessages.RENAME_SEAM_CONTEXT_VARIABLE_PROCESSOR_TITLE);
if(component != null){
checkDeclarations(component);
if(status.hasFatalError())
return status;
renameComponent(pm, component);
}else{
renameSeamContextVariable(pm, file);
}
return status;
}
/*
* (non-Javadoc)
* @see org.eclipse.ltk.core.refactoring.participants.RefactoringProcessor#checkInitialConditions(org.eclipse.core.runtime.IProgressMonitor)
*/
@Override
public RefactoringStatus checkInitialConditions(IProgressMonitor pm)
throws CoreException, OperationCanceledException {
RefactoringStatus result = new RefactoringStatus();
boolean status = false;
component = checkComponent();
if(component == null){
status = checkContextVariable();
}else{
setOldName(component.getName());
}
if(component == null && !status)
result.addFatalError(Messages.format(SeamCoreMessages.RENAME_SEAM_CONTEXT_VARIABLE_PROCESSOR_CAN_NOT_FIND_CONTEXT_VARIABLE, getOldName()));
return result;
}
/*
* (non-Javadoc)
* @see org.eclipse.ltk.core.refactoring.participants.RefactoringProcessor#createChange(org.eclipse.core.runtime.IProgressMonitor)
*/
@Override
public Change createChange(IProgressMonitor pm) throws CoreException,
OperationCanceledException {
return rootChange;
}
private ISeamComponent checkComponent(){
ISeamComponent comp;
ISeamProject seamProject = SeamCorePlugin.getSeamProject(file.getProject(), true);
projectsSet = new SeamProjectsSet(file.getProject());
comp = checkComponent(seamProject);
if(comp != null)
return comp;
IProject[] projects = projectsSet.getAllProjects();
for (IProject project : projects) {
ISeamProject sProject = SeamCorePlugin.getSeamProject(project, true);
if(sProject != null){
comp = checkComponent(sProject);
if(comp != null)
return comp;
}
}
return null;
}
private ISeamComponent checkComponent(ISeamProject seamProject){
if (seamProject != null) {
ISeamComponent component = seamProject.getComponent(getOldName());
if(component != null)
return component;
Set<ISeamContextVariable> variables = seamProject.getVariablesByName(getOldName());
if(variables == null)
return null;
for(ISeamContextVariable variable : variables){
if(variable instanceof ISeamContextShortVariable){
ISeamContextVariable original = ((ISeamContextShortVariable)variable).getOriginal();
if(original instanceof ISeamComponent)
return (ISeamComponent)original;
}
}
}
return null;
}
private boolean checkContextVariable(){
boolean status = false;
ISeamProject seamProject = SeamCorePlugin.getSeamProject(file.getProject(), true);
status = checkFactories(seamProject);
if(status)
return status;
status = checkOuts(seamProject);
if(status)
return status;
status = checkDataModels(seamProject);
if(status)
return status;
IProject[] projects = projectsSet.getAllProjects();
for (IProject project : projects) {
ISeamProject sProject = SeamCorePlugin.getSeamProject(project, true);
if(sProject != null){
status = checkFactories(sProject);
if(status)
return status;
status = checkOuts(sProject);
if(status)
return status;
status = checkDataModels(sProject);
if(status)
return status;
}
}
return status;
}
private boolean checkFactories(ISeamProject seamProject){
if (seamProject != null) {
Set<ISeamFactory> factories = seamProject.getFactoriesByName(getOldName());
return factories.size() > 0;
}
return false;
}
private boolean checkOuts(ISeamProject seamProject){
if (seamProject != null) {
Set<IBijectedAttribute> variables = seamProject.getBijectedAttributesByName(getOldName(), BijectedAttributeType.OUT);
return variables.size() > 0;
}
return false;
}
private boolean checkDataModels(ISeamProject seamProject){
if (seamProject != null) {
Set<IBijectedAttribute> variables = seamProject.getBijectedAttributesByName(getOldName(), BijectedAttributeType.DATA_BINDER);
return variables.size() > 0;
}
return false;
}
/*
* (non-Javadoc)
* @see org.eclipse.ltk.core.refactoring.participants.RefactoringProcessor#getElements()
*/
@Override
public Object[] getElements() {
return new String[]{getNewName()};
}
/*
* (non-Javadoc)
* @see org.eclipse.ltk.core.refactoring.participants.RefactoringProcessor#getIdentifier()
*/
@Override
public String getIdentifier() {
return getClass().getName();
}
/*
* (non-Javadoc)
* @see org.eclipse.ltk.core.refactoring.participants.RefactoringProcessor#getProcessorName()
*/
@Override
public String getProcessorName() {
return SeamCoreMessages.RENAME_SEAM_CONTEXT_VARIABLE_PROCESSOR_TITLE;
}
/*
* (non-Javadoc)
* @see org.eclipse.ltk.core.refactoring.participants.RefactoringProcessor#isApplicable()
*/
@Override
public boolean isApplicable() throws CoreException {
return getNewName()!=null;
}
/*
* (non-Javadoc)
* @see org.eclipse.ltk.core.refactoring.participants.RefactoringProcessor#loadParticipants(org.eclipse.ltk.core.refactoring.RefactoringStatus, org.eclipse.ltk.core.refactoring.participants.SharableParticipants)
*/
@Override
public RefactoringParticipant[] loadParticipants(RefactoringStatus status,
SharableParticipants sharedParticipants) throws CoreException {
return EMPTY_REF_PARTICIPANT;
}
}