LoggingRequestInterceptor.java

package com.github.ggeorgovassilis.springjsonmapper.utils;

import java.io.IOException;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.http.HttpRequest;
import org.springframework.http.client.ClientHttpRequestExecution;
import org.springframework.http.client.ClientHttpRequestInterceptor;
import org.springframework.http.client.ClientHttpResponse;
import org.springframework.util.FileCopyUtils;

/**
 * Utility for logging
 * 
 * @author george georgovassilis
 *
 */
public class LoggingRequestInterceptor implements ClientHttpRequestInterceptor {

    private static final Log requestLog = LogFactory
	    .getLog("com.github.ggeorgovassilis.springjsonmapper.Request");

    private static final Log responseLog = LogFactory
	    .getLog("com.github.ggeorgovassilis.springjsonmapper.Response");

    @Override
    public ClientHttpResponse intercept(HttpRequest request, byte[] body,
	    ClientHttpRequestExecution execution) throws IOException {

	ClientHttpResponse response = execution.execute(request, body);

	log(request, body, response);

	return response;
    }

    private void log(HttpRequest request, byte[] body,
	    ClientHttpResponse response) throws IOException {
	if (requestLog.isDebugEnabled()) {
	    String s = new String(body);
	    requestLog.debug(request.getURI().toString()+" - "+s);
	}
	if (responseLog.isDebugEnabled()) {
	    byte[] b = FileCopyUtils.copyToByteArray(response.getBody());
	    String s = new String(b);
	    responseLog.debug(request.getURI().toString()+" - "+s);
	}
    }
}