/*
    * ====================================================================
    * 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.impl;
  
  import java.nio.charset.Charset;
  import java.nio.charset.CharsetDecoder;
  import java.nio.charset.CharsetEncoder;
  import java.nio.charset.CodingErrorAction;
  
  import org.apache.hc.core5.http.config.CharCodingConfig;
  
  public final class CharCodingSupport {
  
      private CharCodingSupport() {
      }
  
      public static CharsetDecoder createDecoder(final CharCodingConfig cconfig) {
          if (cconfig == null) {
              return null;
          }
          final Charset charset = cconfig.getCharset();
          final CodingErrorAction malformed = cconfig.getMalformedInputAction();
          final CodingErrorAction unmappable = cconfig.getUnmappableInputAction();
          if (charset != null) {
              return charset.newDecoder()
                      .onMalformedInput(malformed != null ? malformed : CodingErrorAction.REPORT)
                      .onUnmappableCharacter(unmappable != null ? unmappable: CodingErrorAction.REPORT);
          }
          return null;
      }
  
      public static CharsetEncoder createEncoder(final CharCodingConfig cconfig) {
          if (cconfig == null) {
              return null;
          }
          final Charset charset = cconfig.getCharset();
          if (charset != null) {
              final CodingErrorAction malformed = cconfig.getMalformedInputAction();
              final CodingErrorAction unmappable = cconfig.getUnmappableInputAction();
              return charset.newEncoder()
                      .onMalformedInput(malformed != null ? malformed : CodingErrorAction.REPORT)
                      .onUnmappableCharacter(unmappable != null ? unmappable: CodingErrorAction.REPORT);
          }
          return null;
      }
  
  }