com.tacitknowledge.noexcuses.EnumTypeHandler.java Source code

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Here is the source code for com.tacitknowledge.noexcuses.EnumTypeHandler.java

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/* Copyright 2012 Tacit Knowledge
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

package com.tacitknowledge.noexcuses;

import org.apache.commons.lang.ArrayUtils;

/**
 * Handles creation of the {@link Enum} types.
 * 
 * @author Matthew Short (mshort@tacitknowledge.com)
 */
public class EnumTypeHandler implements ClassTypeHandler {
    @Override
    @SuppressWarnings("unchecked")
    public <T> T createInstance(Class<T> type) {
        T instance = null;
        if (type.isEnum()) {
            Object[] enums = type.getEnumConstants();
            if (ArrayUtils.isNotEmpty(enums)) {
                instance = (T) enums[0];
            }
        }
        return instance;
    }
}