to get rid of "magic" time constants

spring-jdbc/src/main/java/org/springframework/jdbc/support/DatabaseStartupValidator.java

@@ -19,6 +19,7 @@ package org.springframework.jdbc.support;
 import java.sql.Connection;
 import java.sql.SQLException;
 import java.sql.Statement;
+import java.util.concurrent.TimeUnit;
 import javax.sql.DataSource;
 
 import org.apache.commons.logging.Log;
@@ -108,7 +109,7 @@ public class DatabaseStartupValidator implements InitializingBean {
 		try {
 			boolean validated = false;
 			long beginTime = System.currentTimeMillis();
-			long deadLine = beginTime + this.timeout * 1000;
+			long deadLine = beginTime + TimeUnit.SECONDS.toMillis(this.timeout);
 			SQLException latestEx = null;
 
 			while (!validated && System.currentTimeMillis() < deadLine) {
@@ -139,7 +140,7 @@ public class DatabaseStartupValidator implements InitializingBean {
 				}
 
 				if (!validated) {
-					Thread.sleep(this.interval * 1000);
+					Thread.sleep(TimeUnit.SECONDS.toMillis(this.interval));
 				}
 			}
 
@@ -148,7 +149,7 @@ public class DatabaseStartupValidator implements InitializingBean {
 						"Database has not started up within " + this.timeout + " seconds", latestEx);
 			}
 
-			float duration = (System.currentTimeMillis() - beginTime) / 1000;
+			float duration = (System.currentTimeMillis() - beginTime)*1f / 1000;
 			if (logger.isInfoEnabled()) {
 				logger.info("Database startup detected after " + duration + " seconds");
 			}