/*
* ====================================================================
*
* The ObjectStyle Group Software License, Version 1.0
*
* Copyright (c) 2005 The ObjectStyle Group and individual authors of the
* software. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
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*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowlegement: "This product includes software
* developed by the ObjectStyle Group (http://objectstyle.org/)." Alternately,
* this acknowlegement may appear in the software itself, if and wherever such
* third-party acknowlegements normally appear.
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* For written permission, please contact andrus@objectstyle.org.
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* ====================================================================
*
* This software consists of voluntary contributions made by many individuals on
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* Group, please see <http://objectstyle.org/>.
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package org.objectstyle.wolips.refactoring;
import java.io.IOException;
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.RefactoringStatus;
import org.objectstyle.wolips.core.resources.types.project.ProjectAdapter;
import org.objectstyle.wolips.variables.BuildProperties;
/**
* @author mike
*/
public class PrincipalClassChange extends Change {
private ProjectAdapter _projectAdapter;
private BuildProperties _buildProperties;
private String _newName;
public PrincipalClassChange(ProjectAdapter projectAdapter, String newName) {
_projectAdapter = projectAdapter;
_buildProperties = projectAdapter.getBuildProperties();
_newName = newName;
}
public String getName() {
return "Change Principal Class from " + _buildProperties.getPrincipalClass(true) + " to " + _newName;
}
public void initializeValidationData(IProgressMonitor _pm) {
//do nothing
}
public RefactoringStatus isValid(IProgressMonitor _pm) throws CoreException, OperationCanceledException {
RefactoringStatus status = new RefactoringStatus();
return status;
}
public Change perform(IProgressMonitor _pm) throws CoreException {
String oldName = _buildProperties.getPrincipalClass(true);
_buildProperties.setPrincipalClass(_newName);
try {
_buildProperties.save();
} catch (IOException e) {
throw new RuntimeException("Failed to save build properties.", e);
}
PrincipalClassChange undoChange = new PrincipalClassChange(_projectAdapter, oldName);
return undoChange;
}
public Object getModifiedElement() {
return _buildProperties;
}
}