/*
* Copyright 2014 NAVER Corp.
*
* 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.navercorp.pinpoint.rpc.util;
import java.util.ArrayList;
import java.util.Collection;
import java.util.LinkedHashMap;
import java.util.Map;
/**
* used DeepCopy for basic type. ex) like Map, List.
* used ShallCopy for Bean.
*
* There are functional limitations because this class made only for copying securely something like Map.
* Be careful.
*
* @author koo.taejin
*/
public final class CopyUtils {
private CopyUtils() {
}
public static Map<Object, Object> mediumCopyMap(Map<Object, Object> original) {
Map<Object, Object> result = new LinkedHashMap<Object, Object>();
for (Map.Entry<Object, Object> entry : original.entrySet()) {
Object key = entry.getKey();
Object value = entry.getValue();
result.put(mediumCopy(key), mediumCopy(value));
}
return result;
}
public static Collection<Object> mediumCopyCollection(Collection<Object> original) {
return new ArrayList<Object>(original);
}
private static Object mediumCopy(Object original) {
if (original instanceof Map) {
return mediumCopyMap((Map) original);
} else if (original instanceof Collection) {
return mediumCopyCollection((Collection) original);
} else {
return original;
}
}
}