geode-core/src/main/java/org/apache/geode/management/internal/EnumConverter.java

/*
 * 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.geode.management.internal;

import java.io.InvalidObjectException;

import javax.management.openmbean.SimpleType;

/**
 * Open type converter for Enums.
 *
 *
 */
public class EnumConverter<T extends Enum<T>> extends OpenTypeConverter {

  EnumConverter(Class<T> enumClass) {
    super(enumClass, SimpleType.STRING, String.class);
    this.enumClass = enumClass;
  }

  @Override
  Object toNonNullOpenValue(Object value) {
    return ((Enum) value).name();
  }

  @Override
  public Object fromNonNullOpenValue(Object value) throws InvalidObjectException {
    try {
      return Enum.valueOf(enumClass, (String) value);
    } catch (Exception e) {
      throw invalidObjectException("Cannot convert to enum: " + value, e);
    }
  }

  private final Class<T> enumClass;
}