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/*
 * Copyright 2019 trivago N.V.
 *
 * 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.trivago.cluecumber.properties;

import java.util.Enumeration;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Properties;
import java.util.Set;

public class LinkedProperties extends Properties {

    private static final long serialVersionUID = 1L;

    private Map linkMap = new LinkedHashMap<>();

    @Override
    public synchronized Object put(Object key, Object value) {
        return linkMap.put(key, value);
    }

    @Override
    public synchronized boolean contains(Object value) {
        return linkMap.containsValue(value);
    }

    @Override
    public boolean containsValue(Object value) {
        return linkMap.containsValue(value);
    }

    @Override
    public synchronized Enumeration elements() {
        throw new UnsupportedOperationException(
                "Please use keySet() or entrySet() instead of Enumeration.");
    }

    @Override
    public Set> entrySet() {
        return linkMap.entrySet();
    }

    @Override
    public synchronized void clear() {
        linkMap.clear();
    }

    @Override
    public synchronized boolean containsKey(Object key) {
        return linkMap.containsKey(key);
    }

}