Method to simultaneously save and parse the response from an OkHttp ResponseBody.

SaveAndParseResponse.java

@SuppressWarnings({ "unchecked", "rawtypes" })
private static <T> Pair<String, T> saveAndParseResponse(final ResponseBody response, final TypeReference type)
		throws IOException {

	final Buffer sink = new Buffer();
	final StringBuilder builder = new StringBuilder();

	final Charset charset = responseCharset(response);

	response.source().readAll(new ForwardingSink(sink) {
		@Override
		public void write(final Buffer source, final long byteCount) throws IOException {
			builder.append(new String(source.snapshot().toByteArray(), charset));
			super.write(source, byteCount);
		}
	});

	final Reader reader = new InputStreamReader(sink.inputStream(), charset);

	try {
		return new Pair<>(builder.toString(), (T) App.getObjectMapper().readValue(reader, type));
	} finally {
		reader.close();
	}
}