/*
    * ====================================================================
    * 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.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  
  package org.apache.hc.core5.http.message;
  
  import java.util.Iterator;
  
  import org.apache.hc.core5.http.Header;
  import org.apache.hc.core5.http.HttpMessage;
  import org.apache.hc.core5.http.ProtocolException;
  import org.apache.hc.core5.http.ProtocolVersion;
  import org.apache.hc.core5.util.Args;
  
  /**
   * Abstract {@link HttpMessage} wrapper.
   *
   * @param <T> A {@link HttpMessage} type.
   */
  public abstract class AbstractMessageWrapper<T extends HttpMessage> implements HttpMessage {
  
      private final T message;
  
      public AbstractMessageWrapper(final T message) {
          this.message = Args.notNull(message, "Message");
      }
  
      @Override
      public void setVersion(final ProtocolVersion version) {
          message.setVersion(version);
      }
  
      @Override
      public ProtocolVersion getVersion() {
          return message.getVersion();
      }
  
      @Override
      public void addHeader(final Header header) {
          message.addHeader(header);
      }
  
      @Override
      public void addHeader(final String name, final Object value) {
          message.addHeader(name, value);
      }
  
      @Override
      public void setHeader(final Header header) {
          message.setHeader(header);
      }
  
      @Override
      public void setHeader(final String name, final Object value) {
          message.setHeader(name, value);
      }
  
      @Override
      public void setHeaders(final Header... headers) {
          message.setHeaders(headers);
      }
  
      @Override
      public boolean removeHeader(final Header header) {
          return message.removeHeader(header);
      }
  
      @Override
      public boolean removeHeaders(final String name) {
          return message.removeHeaders(name);
      }
  
      @Override
      public boolean containsHeader(final String name) {
          return message.containsHeader(name);
      }
 
     @Override
     public int countHeaders(final String name) {
         return message.countHeaders(name);
     }
 
     @Override
     public Header[] getHeaders(final String name) {
         return message.getHeaders(name);
     }
 
     @Override
     public Header getHeader(final String name) throws ProtocolException {
         return message.getHeader(name);
     }
 
     @Override
     public Header getFirstHeader(final String name) {
         return message.getFirstHeader(name);
     }
 
     @Override
     public Header getLastHeader(final String name) {
         return message.getLastHeader(name);
     }
 
     T getMessage() {
         return message;
     }
 
     @Override
     public Header[] getHeaders() {
         return message.getHeaders();
     }
 
     @Override
     public Iterator<Header> headerIterator() {
         return message.headerIterator();
     }
 
     @Override
     public Iterator<Header> headerIterator(final String name) {
         return message.headerIterator(name);
     }
 
     @Override
     public String toString() {
         return message.toString();
     }
 
 }