ca.uhn.hl7v2.hoh.util.VersionLogger Maven / Gradle / Ivy
package ca.uhn.hl7v2.hoh.util;
import java.io.InputStream;
import java.util.Properties;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Class to log the HAPI version when HAPI is first used (mostly for troubleshooting purposes)
*/
public class VersionLogger {
private static boolean ourInitialized = false;
private static String ourVersion;
private static final Logger LOG = LoggerFactory.getLogger(VersionLogger.class);
/**
* Non-instantiable
*/
private VersionLogger() {
// nothing
}
/**
* Logs the HAPI version on the first time this method is invoked, does nothing afterwards
*/
public static void init() {
if (!ourInitialized) {
try {
InputStream is = VersionLogger.class.getResourceAsStream("/ca/uhn/hl7v2/hoh/hoh-version.properties");
Properties p = new Properties();
p.load(is);
ourVersion = p.getProperty("version");
LOG.info("HL7 over HTTP (HAPI) library version is: " + ourVersion);
} catch (Exception e) {
// ignore
}
ourInitialized = true;
}
}
/**
* @return Returns the current version of HAPI
*/
public static String getVersion() {
init();
return ourVersion;
}
}