content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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.aliyun.oss.common.utils;
  
  import static com.aliyun.oss.common.utils.CodingUtils.assertParameterNotNull;
  
  import java.util.Collection;
  import java.util.HashMap;
  import java.util.Map;
  import java.util.Set;
  
  public class CaseInsensitiveMap<V> implements Map<String, V> {
  
      private Map<String, V> wrappedMap;
  
      public CaseInsensitiveMap() {
          this(new HashMap<String, V>());
      }
  
      public CaseInsensitiveMap(Map<String, V> wrappedMap) {
          assertParameterNotNull(wrappedMap, "wrappedMap");
  
          this.wrappedMap = wrappedMap;
      }
  
      public int size() {
          return wrappedMap.size();
      }
  
      public boolean isEmpty() {
          return wrappedMap.isEmpty();
      }
  
      public boolean containsKey(Object key) {
          return wrappedMap.containsKey(key.toString().toLowerCase());
      }
  
      public boolean containsValue(Object value) {
          return wrappedMap.containsValue(value);
      }
  
      public V get(Object key) {
          return wrappedMap.get(key.toString().toLowerCase());
      }
  
      public V put(String key, V value) {
          return wrappedMap.put(key.toLowerCase(), value);
      }
  
      public V remove(Object key) {
          return wrappedMap.remove(key.toString().toLowerCase());
      }
  
      public void putAll(Map<? extends String, ? extends V> m) {
          for (java.util.Map.Entry<? extends String, ? extends V> entry : m.entrySet()) {
              this.put(entry.getKey(), entry.getValue());
          }
      }
  
      public void clear() {
          wrappedMap.clear();
      }
  
      public Set<String> keySet() {
          return wrappedMap.keySet();
      }
  
      public Collection<V> values() {
          return wrappedMap.values();
      }
  
      public Set<java.util.Map.Entry<String, V>> entrySet() {
          return wrappedMap.entrySet();
      }
  
  }
  