/*******************************************************************************
* Copyright (c) 2013 Rene Schneider, GEBIT Solutions GmbH 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
*******************************************************************************/
package de.gebit.integrity.parameter.conversion.conversions.java.strings;
import de.gebit.integrity.dsl.EnumValue;
import de.gebit.integrity.parameter.conversion.Conversion;
import de.gebit.integrity.parameter.conversion.ConversionContext;
import de.gebit.integrity.parameter.conversion.ConversionFailedException;
/**
* A default Integrity conversion.
*
* @author Rene Schneider - initial API and implementation
*
*/
@SuppressWarnings("rawtypes")
public class StringToEnumConstant extends Conversion<String, Enum> {
@Override
public Enum convert(String aSource, Class<? extends Enum> aTargetType, ConversionContext aConversionContext) {
if (Enum.class.isAssignableFrom(aTargetType)) {
for (Enum tempConstant : aTargetType.getEnumConstants()) {
if (tempConstant.toString().equals(aSource)) {
return tempConstant;
}
}
throw new ConversionFailedException(EnumValue.class, aTargetType, "Constant value '" + aSource
+ "' not found in enum class '" + aTargetType.getName() + "'");
}
throw new ConversionFailedException(EnumValue.class, aTargetType, "Class '" + aTargetType.getName()
+ "' is not an enum");
}
}