org.apache.thrift.TEnumHelper Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.thrift;
import java.lang.NoSuchMethodException;
import java.lang.IllegalAccessException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
/**
* Utility class with static methods for interacting with TEnum
*/
public class TEnumHelper {
/**
* Given a TEnum class and integer value, this method will return
* the associated constant from the given TEnum class.
* This method MUST be modified should the name of the 'findByValue' method
* change.
*
* @param enumClass TEnum from which to return a matching constant.
* @param value Value for which to return the constant.
*
* @return The constant in 'enumClass' whose value is 'value' or null if
* something went wrong.
*/
public static TEnum getByValue(Class enumClass, int value) {
try {
Method method = enumClass.getMethod("findByValue", int.class);
return (TEnum) method.invoke(null, value);
} catch (NoSuchMethodException nsme) {
return null;
} catch (IllegalAccessException iae) {
return null;
} catch (InvocationTargetException ite) {
return null;
}
}
}