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The AWS SDK for Java with support for OSGi. The AWS SDK for Java provides Java APIs for building software on AWS' cost-effective, scalable, and reliable infrastructure products. The AWS Java SDK allows developers to code against APIs for all of Amazon's infrastructure web services (Amazon S3, Amazon EC2, Amazon SQS, Amazon Relational Database Service, Amazon AutoScaling, etc).

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/*
 * Copyright 2015-2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file 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.amazonaws.internal;

import java.io.Serializable;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;

/**
 * Map with auto construct flag to indicate whether it is auto constructed by
 * Java SDK.
 */
public class SdkInternalMap implements Map, Serializable {
    private static final long serialVersionUID = 1L;

    private final Map map;

    /**
    * Auto construct flag to indicate whether the map is auto constructed by
    * Java SDK.
    */
    private final boolean autoConstruct;

    public SdkInternalMap() {
        this.map = new HashMap();
        autoConstruct = true;
    }

    public SdkInternalMap(Map m) {
        this.map = m;
        autoConstruct = false;
    }

    /**
    * Return true if the map is auto constructed by Java SDK; false otherwise.
    */
    public boolean isAutoConstruct() {
        return autoConstruct;
    }

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

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

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

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

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

    @Override
    public V put(K key, V value) {
        return map.put(key, value);
    }

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

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

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

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

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

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

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (map == null ) return o == null;
        if (!(o instanceof Map)) return false;
        
        Map that = (Map) o;

        return map.equals(that);
    }

    @Override
    public int hashCode() {
        return map == null ? 0 : map.hashCode();
    }

    @Override
    public String toString() {
        return map == null ? null : map.toString();
    }
}