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/*
 * <copyright>
 *
 * Copyright (c) 2005-2006 Markus Voelter 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:
 *     Markus Voelter - Initial API and implementation
 *
 * </copyright>
 */
package org.eclipse.m2t.common.recipe.astChecks.checks;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.jdt.core.Flags;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.m2t.common.recipe.core.AtomicCheck;
import org.eclipse.m2t.common.recipe.core.EvaluationStop;

public class JavaClassIsAbstractCheckEvaluator extends EclipseResourceCheckEvaluator {

	private IType foundType = null;

	public void evaluate(AtomicCheck check) {
		String projectName = check.getParameterString("projectName");
		String className = check.getParameterString("className");
		IWorkspace workspace = refreshWorkspace(check);
		IProject project = workspace.getRoot().getProject(projectName);
		if (project == null) {
			check.fail("Project not found");
		}
		try {
			IJavaProject javaProject = JavaCore.create(project);
			IType type = javaProject.findType(className);
			if (type != null) {
				if ( type.isClass() ) {
					if ( Flags.isAbstract(type.getFlags()) ) {
						check.ok();
					} else {
						check.fail(check.getShortDescription());
					}
				} else {
					check.fail("type "+type.getElementName()+" is not a class!");
				}
				check.ok();
			} else {
				check.fail(check.getShortDescription());
			}
		} catch (EvaluationStop stop) {
			throw stop;
		} catch (JavaModelException e) {
			check.fail(e.getMessage());
		}
	}

	public IType getFoundType() {
		return foundType;
	}

}

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