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/**
 * Copyright (C) 2015 Red Hat, Inc.
 *
 * 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 io.fabric8.kubernetes.client.utils;

import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;

import java.util.HashMap;
import java.util.Map;

public class ResourceCompare {

    private static final ObjectMapper JSON_MAPPER = new ObjectMapper();
    private static TypeReference> TYPE_REF = new TypeReference>(){};

    private static final String METADATA = "metadata";
    private static final String STATUS = "status";


    public static   boolean equals(T left, T right) {
        HashMap leftMap = trim((Map) JSON_MAPPER.convertValue(left, TYPE_REF));
        HashMap rightMap = trim((Map) JSON_MAPPER.convertValue(left, TYPE_REF));
        return leftMap.equals(rightMap);
    }

    private static HashMap trim(Map map) {
        HashMap result = new HashMap<>(map);
        result.remove(STATUS);
        result.remove(METADATA);
        return result;
    }
}