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Use the Google Maps API Web Services in Java! https://developers.google.com/maps/documentation/webservices/

There is a newer version: 2.2.0

package com.google.maps.metrics;

/**
 * A type to report common metrics shared among all request types.
 *
 * If a request retries, there will be multiple calls to all methods below. Ignore any endRequest
 * after the first one. For example:
 *
 * 

 *   constructor - request starts
 *   
startNetwork / endNetwork - original request
 *   
startNetwork / endNetwork - retried request
 *   
endRequest - request finished (retry)
 *   
endRequest - request finished (original)
 * 
 *
 * The following metrics can be computed: Total queries, successful queries, total latency,
 * network latency
 */
public interface RequestMetrics {

  void startNetwork();

  void endNetwork();

  void endRequest(Exception exception, int httpStatusCode, long retryCount);
}