Might as well use SLF4J since it's already a dependency (via Usegrid Java SDK via Spring).

Dave Johnson · Dave Johnson · commit 51a26fe37f1b · 2013-09-21T16:32:02.000-04:00
diff --git a/pom.xml b/pom.xml
@@ -19,8 +19,8 @@
 
     <dependency>
       <groupId>org.slf4j</groupId>
-      <artifactId>slf4j-jdk14</artifactId>
-      <version>1.7.5</version>
+      <artifactId>slf4j-simple</artifactId>
+      <version>1.6.4</version>
     </dependency>
 
     <dependency>
diff --git a/src/main/java/snoopware/api/RoutingFilter.java b/src/main/java/snoopware/api/RoutingFilter.java
@@ -16,7 +16,6 @@
 package snoopware.api;
 
 import java.io.IOException;
-import java.util.logging.Logger;
 import javax.servlet.Filter;
 import javax.servlet.FilterChain;
 import javax.servlet.FilterConfig;
@@ -26,10 +25,12 @@
 import javax.servlet.ServletResponse;
 import javax.servlet.annotation.WebFilter;
 import javax.servlet.http.HttpServletRequest;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 @WebFilter("/*")
 public class RoutingFilter implements Filter {
-  private static final Logger log = Logger.getLogger(RoutingFilter.class.getName());
+  private Logger logger = LoggerFactory.getLogger(RoutingFilter.class);
 
   private String angularRoutes[] = {
     "login",  
diff --git a/src/main/java/snoopware/api/UserGridProxyServlet.java b/src/main/java/snoopware/api/UserGridProxyServlet.java
@@ -19,14 +19,14 @@
 import java.net.URI;
 import java.net.URISyntaxException;
 import java.util.Properties;
-import java.util.logging.Level;
-import java.util.logging.Logger;
 import javax.servlet.ServletConfig;
 import javax.servlet.ServletException;
 import javax.servlet.annotation.WebInitParam;
 import javax.servlet.annotation.WebServlet;
 import javax.servlet.http.HttpServletRequest;
 import org.apache.http.HttpRequest;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.usergrid.java.client.Client;
 
 /**
@@ -41,8 +41,7 @@
 })
 @SuppressWarnings("serial")
 public class UserGridProxyServlet extends ProxyServlet {
-
-  protected static final Logger log = Logger.getLogger(ProxyServlet.class.getName());
+  private Logger log = LoggerFactory.getLogger(RoutingFilter.class);
   private Client userGridClient;
   private String applicationName;
 
@@ -60,9 +59,9 @@ public void init(ServletConfig servletConfig) throws ServletException {
       try {
         targetUri = new URI((String) properties.get("app.usergridUri"));
       } catch (NullPointerException ex) {
-        log.log(Level.INFO, "app.usergridUri not specified, using " + targetUri);
+        log.info("app.usergridUri not specified, using " + targetUri);
       } catch (URISyntaxException ex) {
-        log.log(Level.INFO, "Ignoring app.usergridUri because it is invalid.");
+        log.info("Ignoring app.usergridUri because it is invalid.");
       }
 
       applicationName = (String) properties.get("app.applicationName");
@@ -75,7 +74,7 @@ public void init(ServletConfig servletConfig) throws ServletException {
       userGridClient.authorizeAppClient(clientId, clientSecret);
 
     } catch (IOException ex) {
-      log.log(Level.SEVERE, "Unable to load app.properties and authorize the client", ex);
+      log.info("Unable to load app.properties and authorize the client", ex);
     }
   }
 
@@ -95,7 +94,7 @@ protected void copyRequestHeaders(HttpServletRequest req, HttpRequest proxyReq)
 
       String header = "Bearer " + userGridClient.getAccessToken();
       proxyReq.setHeader("Authorization", header);
-      log.log(Level.FINEST, "Added header = {0}", header);
+      log.info("Added header = {0}", header);
     }
   }
 }
diff --git a/src/main/resources/simplelogger.properties b/src/main/resources/simplelogger.properties
@@ -0,0 +1,9 @@
+# Settings for the slf4j logging API implementation "SimpleLogger".
+# http://www.slf4j.org/apidocs/org/slf4j/impl/SimpleLogger.html
+# http://tomcat.apache.org/tomcat-7.0-doc/class-loader-howto.html
+
+org.slf4j.simpleLogger.logFile=System.out
+org.slf4j.simpleLogger.defaultLogLevel=info
+org.slf4j.simpleLogger.showShortLogName=true
+org.slf4j.simpleLogger.showDateTime=true
+org.slf4j.simpleLogger.dateTimeFormat=yyyy-MM-dd'T'HH\:mm\:ss.SZ
