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Custom Message Handler for AMQP Modular Input that just dumps the raw received JSON to Splunk
package com.splunk.modinput.amqp;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import com.rabbitmq.client.AMQP;
import com.rabbitmq.client.Envelope;
import com.splunk.modinput.Stream;
import com.splunk.modinput.StreamEvent;
import com.splunk.modinput.amqp.AMQPModularInput.MessageReceiver;
public class JSONMessageHandler extends AbstractMessageHandler {
public Stream handleMessage(byte[] messageContents, Envelope envelope,
AMQP.BasicProperties messageProperties, MessageReceiver context)
throws Exception {
String jsonBody = getMessageBody(messageContents);
String text = jsonBody.toString();
Stream stream = new Stream();
ArrayList<StreamEvent> list = new ArrayList<StreamEvent>();
List<String> chunks = chunkData(text, 1024);
for (int i = 0; i < chunks.size(); i++) {
StreamEvent event = new StreamEvent();
// if we are seeing the last chunk, set the "done" element
if (i == chunks.size() - 1)
event.setDone(" ");
return stream;
public static List<String> chunkData(String text, int size) {
List<String> ret = new ArrayList<String>((text.length() + size - 1)
/ size);
for (int start = 0; start < text.length(); start += size) {
ret.add(text.substring(start, Math.min(text.length(), start + size)));
return ret;
public void setParams(Map<String, String> params) {
// Do nothing , params not used
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