/*
    * Copyright 2015 The Netty Project
    *
    * The Netty Project 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:
    *
    *   https://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.netty.handler.codec.http2;
  
  import io.netty.handler.codec.DefaultHeaders;
  import io.netty.handler.codec.UnsupportedValueConverter;
  import io.netty.handler.codec.ValueConverter;
  
  import static io.netty.util.AsciiString.CASE_INSENSITIVE_HASHER;
  import static io.netty.util.AsciiString.CASE_SENSITIVE_HASHER;
  
  /**
   * Internal use only!
   */
  public final class CharSequenceMap<V> extends DefaultHeaders<CharSequence, V, CharSequenceMap<V>> {
      public CharSequenceMap() {
          this(true);
      }
  
      public CharSequenceMap(boolean caseSensitive) {
          this(caseSensitive, UnsupportedValueConverter.<V>instance());
      }
  
      public CharSequenceMap(boolean caseSensitive, ValueConverter<V> valueConverter) {
          super(caseSensitive ? CASE_SENSITIVE_HASHER : CASE_INSENSITIVE_HASHER, valueConverter);
      }
  
      @SuppressWarnings("unchecked")
      public CharSequenceMap(boolean caseSensitive, ValueConverter<V> valueConverter, int arraySizeHint) {
          super(caseSensitive ? CASE_SENSITIVE_HASHER : CASE_INSENSITIVE_HASHER, valueConverter,
                  NameValidator.NOT_NULL, arraySizeHint);
      }
  }