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/*
 * Copyright (C) 2011 Thomas Akehurst
 *
 * 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.github.tomakehurst.wiremock.extension.responsetemplating.helpers;

import com.github.tomakehurst.wiremock.common.Json;

import java.util.*;

public abstract class JsonData {

    protected abstract String toJsonString();

    @Override
    public String toString() {
        return toJsonString();
    }

    @SuppressWarnings("unchecked")
    static Object create(Object data) {
        if (data instanceof Map) {
            return new MapJsonData((Map) data);
        }

        if (data instanceof List) {
            return new ListJsonData((List) data);
        }

        return data;
    }

    protected final T data;

    public JsonData(T data) {
        this.data = data;
    }

    public static class MapJsonData extends JsonData> implements Map {

        @Override
        protected String toJsonString() {
            return Json.write(data);
        }

        public MapJsonData(Map data) {
            super(data);
        }

        @Override
        public int size() {
            return data.size();
        }

        @Override
        public boolean isEmpty() {
            return data.isEmpty();
        }

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

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

        @Override
        public Object get(Object key) {
            return data.get(key);
        }

        @Override
        public Object remove(Object key) {
            return data.remove(key);
        }

        @Override
        public void clear() {
            data.clear();
        }

        @Override
        public Set keySet() {
            return data.keySet();
        }

        @Override
        public Collection values() {
            return data.values();
        }

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

        @Override
        public void putAll(Map m) {
            data.putAll(m);
        }

        @Override
        public Object put(String key, Object value) {
            return data.put(key, value);
        }
    }

    public static class ListJsonData extends JsonData> implements List {

        public ListJsonData(List data) {
            super(data);
        }

        public int size() {
            return data.size();
        }

        public boolean isEmpty() {
            return data.isEmpty();
        }

        public boolean contains(Object o) {
            return data.contains(o);
        }

        public Iterator iterator() {
            return data.iterator();
        }

        public Object[] toArray() {
            return data.toArray();
        }

        public  T[] toArray(T[] a) {
            return data.toArray(a);
        }

        public boolean add(Object o) {
            return data.add(o);
        }

        public boolean remove(Object o) {
            return data.remove(o);
        }

        public boolean containsAll(Collection c) {
            return data.containsAll(c);
        }

        public boolean addAll(Collection c) {
            return data.addAll(c);
        }

        public boolean addAll(int index, Collection c) {
            return data.addAll(index, c);
        }

        public boolean removeAll(Collection c) {
            return data.removeAll(c);
        }

        public boolean retainAll(Collection c) {
            return data.retainAll(c);
        }

        public void clear() {
            data.clear();
        }

        @Override
        public boolean equals(Object o) {
            return data.equals(o);
        }

        @Override
        public int hashCode() {
            return data.hashCode();
        }

        public Object get(int index) {
            return data.get(index);
        }

        public Object set(int index, Object element) {
            return data.set(index, element);
        }

        public void add(int index, Object element) {
            data.add(index, element);
        }

        public Object remove(int index) {
            return data.remove(index);
        }

        public int indexOf(Object o) {
            return data.indexOf(o);
        }

        public int lastIndexOf(Object o) {
            return data.lastIndexOf(o);
        }

        public ListIterator listIterator() {
            return data.listIterator();
        }

        public ListIterator listIterator(int index) {
            return data.listIterator(index);
        }

        public List subList(int fromIndex, int toIndex) {
            return data.subList(fromIndex, toIndex);
        }

        @Override
        protected String toJsonString() {
            return String.valueOf(data);
        }
    }

}