package com.atlassian.vcache.marshallers;
   
   import com.atlassian.annotations.Internal;
   import com.atlassian.vcache.Marshaller;
   import com.atlassian.vcache.MarshallerException;
   
   import java.nio.ByteBuffer;
   import java.nio.CharBuffer;
   import java.nio.charset.CharacterCodingException;
  import java.nio.charset.Charset;
  import java.nio.charset.CharsetEncoder;
  import java.nio.charset.CodingErrorAction;
  import java.nio.charset.StandardCharsets;
  import java.util.Arrays;
  
  /**
   * Optimised implementation for {@link String} objects.
   *
   * @since 1.0
   * @deprecated since 1.5.0. Use the Atlassian Marshalling API and implementations instead.
   */
  @Internal
  @Deprecated
  class StringMarshaller implements Marshaller<String> {
      private static final Charset ENCODING_CHARSET = StandardCharsets.UTF_8;
  
      @Override
      public byte[] marshall(String str) throws MarshallerException {
          // Need to have the encoder complain if it cannot encode a character. By default it swallows the problem.
          final CharsetEncoder encoder = ENCODING_CHARSET.newEncoder();
          encoder.onMalformedInput(CodingErrorAction.REPORT);
  
          try {
              final ByteBuffer buffer = encoder.encode(CharBuffer.wrap(str));
              return Arrays.copyOf(buffer.array(), buffer.limit());
          } catch (CharacterCodingException e) {
              throw new MarshallerException("Unable to encode: " + str, e);
          }
      }
  
      @Override
      public String unmarshall(byte[] raw) {
          return new String(raw, ENCODING_CHARSET);
      }
  }