Merge pull request #10 from PuyallupFoursquare/maven

Switching from Ivy+Ant to Maven.

1 files changed, 61 insertions, 0 deletions

diff --git a/src/main/java/com/p4square/restlet/metrics/MetricRouter.java b/src/main/java/com/p4square/restlet/metrics/MetricRouter.java
new file mode 100644
index 0000000..d4da270
--- /dev/null
+++ b/src/main/java/com/p4square/restlet/metrics/MetricRouter.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2014 Jesse Morgan
+ */
+
+package com.p4square.restlet.metrics;
+
+import com.codahale.metrics.Counter;
+import com.codahale.metrics.MetricRegistry;
+import com.codahale.metrics.Timer;
+
+import org.restlet.Context;
+import org.restlet.Request;
+import org.restlet.Response;
+import org.restlet.Restlet;
+import org.restlet.routing.TemplateRoute;
+import org.restlet.routing.Router;
+
+/**
+ * 
+ * @author Jesse Morgan <jesse@jesterpm.net>
+ */
+public class MetricRouter extends Router {
+
+    private final MetricRegistry mMetricRegistry;
+
+    public MetricRouter(Context context, MetricRegistry metrics) {
+        super(context);
+        mMetricRegistry = metrics;
+    }
+
+    @Override
+    protected void doHandle(Restlet next, Request request, Response response) {
+        String baseName;
+        if (next instanceof TemplateRoute) {
+            TemplateRoute temp = (TemplateRoute) next;
+            baseName = MetricRegistry.name("MetricRouter", temp.getTemplate().getPattern());
+        } else {
+            baseName = MetricRegistry.name("MetricRouter", "unknown");
+        }
+
+        final Timer.Context aggTimer = mMetricRegistry.timer("MetricRouter.time").time();
+        final Timer.Context timer = mMetricRegistry.timer(baseName + ".time").time();
+
+        try {
+            super.doHandle(next, request, response);
+        } finally {
+            timer.stop();
+            aggTimer.stop();
+
+            // Record status code
+            boolean success = !response.getStatus().isError();
+            if (success) {
+                mMetricRegistry.counter("MetricRouter.success").inc();
+                mMetricRegistry.counter(baseName + ".response.success").inc();
+            } else {
+                mMetricRegistry.counter("MetricRouter.failure").inc();
+                mMetricRegistry.counter(baseName + ".response.failure").inc();
+            }
+        }
+    }
+}