com.netflix.hystrix.serial.SerialHystrixMetric Maven / Gradle / Ivy
/**
* Copyright 2016 Netflix, Inc.
*
* 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 com.netflix.hystrix.serial;
import com.fasterxml.jackson.core.JsonFactory;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.dataformat.cbor.CBORFactory;
import com.fasterxml.jackson.dataformat.cbor.CBORParser;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.nio.ByteBuffer;
public class SerialHystrixMetric {
protected final static JsonFactory jsonFactory = new JsonFactory();
protected final static CBORFactory cborFactory = new CBORFactory();
protected final static ObjectMapper mapper = new ObjectMapper();
protected final static Logger logger = LoggerFactory.getLogger(SerialHystrixMetric.class);
public static String fromByteBufferToString(ByteBuffer bb) {
byte[] byteArray = new byte[bb.remaining()];
bb.get(byteArray);
try {
CBORParser parser = cborFactory.createParser(byteArray);
JsonNode rootNode = mapper.readTree(parser);
return rootNode.toString();
} catch (IOException ioe) {
logger.error("IO Exception during deserialization of ByteBuffer of Hystrix Metric : " + ioe);
return "";
}
}
}