How to use

org.springframework.core.codec.StringDecoder

constructor

/**
 * Create a {@code StringDecoder} for {@code "text/plain"}.
 * @param delimiters delimiter strings to use to split the input stream
 * @param stripDelimiter whether to remove delimiters from the resulting
 * input strings
 */
public static StringDecoder textPlainOnly(List<String> delimiters, boolean stripDelimiter) {
  return new StringDecoder(delimiters, stripDelimiter, new MimeType("text", "plain", DEFAULT_CHARSET));
}

/**
 * Create a {@code StringDecoder} that supports all MIME types.
 * @param delimiters delimiter strings to use to split the input stream
 * @param stripDelimiter whether to remove delimiters from the resulting
 * input strings
 */
public static StringDecoder allMimeTypes(List<String> delimiters, boolean stripDelimiter) {
  return new StringDecoder(delimiters, stripDelimiter,
      new MimeType("text", "plain", DEFAULT_CHARSET), MimeTypeUtils.ALL);
}

/**
 * Create a {@code StringDecoder} that supports all MIME types.
 * @param delimiters delimiter strings to use to split the input stream
 * @param stripDelimiter whether to remove delimiters from the resulting
 * input strings
 */
public static StringDecoder allMimeTypes(List<String> delimiters, boolean stripDelimiter) {
  return new StringDecoder(delimiters, stripDelimiter,
      new MimeType("text", "plain", DEFAULT_CHARSET), MimeTypeUtils.ALL);
}

/**
 * Create a {@code StringDecoder} for {@code "text/plain"}.
 * @param delimiters delimiter strings to use to split the input stream
 * @param stripDelimiter whether to remove delimiters from the resulting
 * input strings
 */
public static StringDecoder textPlainOnly(List<String> delimiters, boolean stripDelimiter) {
  return new StringDecoder(delimiters, stripDelimiter, new MimeType("text", "plain", DEFAULT_CHARSET));
}

/**
 * Create a {@code StringDecoder} for {@code "text/plain"}.
 * @param delimiters delimiter strings to use to split the input stream
 * @param stripDelimiter whether to remove delimiters from the resulting
 * input strings.
 */
public static StringDecoder textPlainOnly(List<String> delimiters, boolean stripDelimiter) {
  return new StringDecoder(delimiters, stripDelimiter, new MimeType("text", "plain", DEFAULT_CHARSET));
}

/**
 * Create a {@code StringDecoder} for {@code "text/plain"}.
 * @param delimiters delimiter strings to use to split the input stream
 * @param stripDelimiter whether to remove delimiters from the resulting
 * input strings
 */
public static StringDecoder textPlainOnly(List<String> delimiters, boolean stripDelimiter) {
  return new StringDecoder(delimiters, stripDelimiter, new MimeType("text", "plain", DEFAULT_CHARSET));
}

/**
 * Create a {@code StringDecoder} that supports all MIME types.
 * @param delimiters delimiter strings to use to split the input stream
 * @param stripDelimiter whether to remove delimiters from the resulting
 * input strings.
 */
public static StringDecoder allMimeTypes(List<String> delimiters, boolean stripDelimiter) {
  return new StringDecoder(delimiters, stripDelimiter,
      new MimeType("text", "plain", DEFAULT_CHARSET), MimeTypeUtils.ALL);
}

/**
 * Create a {@code StringDecoder} that supports all MIME types.
 * @param delimiters delimiter strings to use to split the input stream
 * @param stripDelimiter whether to remove delimiters from the resulting
 * input strings
 */
public static StringDecoder allMimeTypes(List<String> delimiters, boolean stripDelimiter) {
  return new StringDecoder(delimiters, stripDelimiter,
      new MimeType("text", "plain", DEFAULT_CHARSET), MimeTypeUtils.ALL);
}

public RequestMappingHandlerAdapter() {
  this.messageReaders.add(new DecoderHttpMessageReader<>(new ByteArrayDecoder()));
  this.messageReaders.add(new DecoderHttpMessageReader<>(new ByteBufferDecoder()));
  this.messageReaders.add(new DecoderHttpMessageReader<>(new StringDecoder()));
}

/**
 * Adds default converters that sub-classes can call from
 * {@link #configureMessageReaders(List)} for {@code byte[]},
 * {@code ByteBuffer}, {@code String}, {@code Resource}, JAXB2, and Jackson
 * (if present on the classpath).
 */
protected final void addDefaultHttpMessageReaders(List<HttpMessageReader<?>> readers) {
  readers.add(new DecoderHttpMessageReader<>(new ByteArrayDecoder()));
  readers.add(new DecoderHttpMessageReader<>(new ByteBufferDecoder()));
  readers.add(new DecoderHttpMessageReader<>(new StringDecoder()));
  readers.add(new DecoderHttpMessageReader<>(new ResourceDecoder()));
  if (jaxb2Present) {
    readers.add(new DecoderHttpMessageReader<>(new Jaxb2XmlDecoder()));
  }
  if (jackson2Present) {
    readers.add(new Jackson2ServerHttpMessageReader(
        new  DecoderHttpMessageReader<>(new Jackson2JsonDecoder())));
  }
}

public void defaultConfiguration() {
  messageReader(new DecoderHttpMessageReader<>(new ByteArrayDecoder()));
  messageReader(new DecoderHttpMessageReader<>(new ByteBufferDecoder()));
  if (jackson2Present) {
    messageReader(new ServerSentEventHttpMessageReader(Collections.singletonList(new Jackson2JsonDecoder())));
  }
  else {
    messageReader(new ServerSentEventHttpMessageReader(Collections.emptyList()));
  }
  messageReader(new DecoderHttpMessageReader<>(new StringDecoder(false)));
  messageWriter(new EncoderHttpMessageWriter<>(new ByteArrayEncoder()));
  messageWriter(new EncoderHttpMessageWriter<>(new ByteBufferEncoder()));
  messageWriter(new EncoderHttpMessageWriter<>(new CharSequenceEncoder()));
  messageWriter(new ResourceHttpMessageWriter());
  if (jaxb2Present) {
    messageReader(new DecoderHttpMessageReader<>(new Jaxb2XmlDecoder()));
    messageWriter(new EncoderHttpMessageWriter<>(new Jaxb2XmlEncoder()));
  }
  if (jackson2Present) {
    messageReader(new DecoderHttpMessageReader<>(new Jackson2JsonDecoder()));
    messageWriter(new EncoderHttpMessageWriter<>(new Jackson2JsonEncoder()));
  }
}

public void defaultConfiguration() {
  messageReader(new DecoderHttpMessageReader<>(new ByteArrayDecoder()));
  messageReader(new DecoderHttpMessageReader<>(new ByteBufferDecoder()));
  messageReader(new DecoderHttpMessageReader<>(new StringDecoder()));
  messageWriter(new EncoderHttpMessageWriter<>(new ByteArrayEncoder()));
  messageWriter(new EncoderHttpMessageWriter<>(new ByteBufferEncoder()));
  messageWriter(new EncoderHttpMessageWriter<>(new CharSequenceEncoder()));
  messageWriter(new ResourceHttpMessageWriter());
  if (jaxb2Present) {
    messageReader(new DecoderHttpMessageReader<>(new Jaxb2XmlDecoder()));
    messageWriter(new EncoderHttpMessageWriter<>(new Jaxb2XmlEncoder()));
  }
  if (jackson2Present) {
    messageReader(new DecoderHttpMessageReader<>(new Jackson2JsonDecoder()));
    Jackson2JsonEncoder jsonEncoder = new Jackson2JsonEncoder();
    messageWriter(new EncoderHttpMessageWriter<>(jsonEncoder));
    messageWriter(
        new ServerSentEventHttpMessageWriter(Collections.singletonList(jsonEncoder)));
  }
  else {
    messageWriter(new ServerSentEventHttpMessageWriter());
  }
}