code: /*
   * Copyright 2012-2018 Chronicle Map Contributors
   *
   * Licensed 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 net.openhft.xstream.converters;
  
  import com.thoughtworks.xstream.converters.Converter;
  import com.thoughtworks.xstream.converters.MarshallingContext;
  import com.thoughtworks.xstream.converters.UnmarshallingContext;
  import com.thoughtworks.xstream.io.HierarchicalStreamReader;
  import com.thoughtworks.xstream.io.HierarchicalStreamWriter;
  
  public class CharSequenceConverter implements Converter {
  
      @Override
      public void marshal(
              Object source, HierarchicalStreamWriter writer, MarshallingContext context) {
          writer.setValue(source.toString());
      }
  
      @Override
      public Object unmarshal(HierarchicalStreamReader reader, UnmarshallingContext context) {
          if (context.getRequiredType() == StringBuilder.class) {
              return new StringBuilder(reader.getValue());
          } else {
              return reader.getValue();
          }
      }
  
      @Override
      public boolean canConvert(Class type) {
          return CharSequence.class.isAssignableFrom(type);
      }
  }
  