org.openmrs.module.amrsreports.db.hibernate.type.MohStringEnumReflector.java Source code

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Here is the source code for org.openmrs.module.amrsreports.db.hibernate.type.MohStringEnumReflector.java

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/**
 * The contents of this file are subject to the OpenMRS Public License
 * Version 1.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://license.openmrs.org
 *
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
 * License for the specific language governing rights and limitations
 * under the License.
 *
 * Copyright (C) OpenMRS, LLC.  All Rights Reserved.
 */
package org.openmrs.module.amrsreports.db.hibernate.type;

import org.apache.commons.lang.StringUtils;

/**
 * Reflector class to get the value of StringEnum
 */
public class MohStringEnumReflector {

    private MohStringEnumReflector() {
    }

    /**
     * All enum constants (instances) declared in the specified class.
     * 
     * @param enumClass Class to reflect
     * @return Array of all declared EnumConstants (instances).
     */
    private static <T extends Enum<T>> T[] getValues(final Class<T> enumClass) {
        return enumClass.getEnumConstants();
    }

    /**
     * Name of the enum instance which hold the specified string value. If value has duplicate enum
     * instances than returns the first occurrence.
     * 
     * @param enumClass Class to inspect.
     * @param value String.
     * @return name of the enum instance.
     */
    public static <T extends Enum<T> & MohStringEnum> String getNameFromValue(final Class<T> enumClass,
            final String value) {
        T[] values = getValues(enumClass);
        for (T v : values)
            if (v.getValue().equals(value))
                return v.name();
        return StringUtils.EMPTY;
    }

}