Disable verbose logging in transport-runtime. (#3648)

* Disable verbose logging in transport-runtime.

fixes #3441

* Address review comments.

Author: vkryachko

transport/transport-backend-cct/src/main/java/com/google/android/datatransport/cct/CctTransportBackend.java

@@ -283,7 +283,7 @@ private BatchedLogRequest getRequestBody(BackendRequest backendRequest) {
 
   private HttpResponse doSend(HttpRequest request) throws IOException {
 
-    Logging.d(LOG_TAG, "Making request to: %s", request.url);
+    Logging.i(LOG_TAG, "Making request to: %s", request.url);
     HttpURLConnection connection = (HttpURLConnection) request.url.openConnection();
     connection.setConnectTimeout(CONNECTION_TIME_OUT);
     connection.setReadTimeout(readTimeout);
@@ -315,9 +315,9 @@ private HttpResponse doSend(HttpRequest request) throws IOException {
     }
 
     int responseCode = connection.getResponseCode();
-    Logging.i(LOG_TAG, "Status Code: " + responseCode);
-    Logging.i(LOG_TAG, "Content-Type: " + connection.getHeaderField("Content-Type"));
-    Logging.i(LOG_TAG, "Content-Encoding: " + connection.getHeaderField("Content-Encoding"));
+    Logging.i(LOG_TAG, "Status Code: %d", responseCode);
+    Logging.d(LOG_TAG, "Content-Type: %s", connection.getHeaderField("Content-Type"));
+    Logging.d(LOG_TAG, "Content-Encoding: %s", connection.getHeaderField("Content-Encoding"));
 
     if (responseCode == 302 || responseCode == 301 || responseCode == 307) {
       String redirect = connection.getHeaderField("Location");

transport/transport-runtime/src/main/java/com/google/android/datatransport/runtime/logging/Logging.java

@@ -24,30 +24,51 @@ private static String getTag(String tag) {
   }
 
   public static void d(String tag, String message) {
-    Log.d(getTag(tag), message);
+    tag = getTag(tag);
+    if (Log.isLoggable(tag, Log.DEBUG)) {
+      Log.d(tag, message);
+    }
   }
 
   public static void d(String tag, String message, Object arg1) {
-    Log.d(getTag(tag), String.format(message, arg1));
+    tag = getTag(tag);
+    if (Log.isLoggable(tag, Log.DEBUG)) {
+      Log.d(tag, String.format(message, arg1));
+    }
   }
 
   public static void d(String tag, String message, Object arg1, Object arg2) {
-    Log.d(getTag(tag), String.format(message, arg1, arg2));
+    tag = getTag(tag);
+    if (Log.isLoggable(tag, Log.DEBUG)) {
+      Log.d(tag, String.format(message, arg1, arg2));
+    }
   }
 
   public static void d(String tag, String message, Object... args) {
-    Log.d(getTag(tag), String.format(message, args));
+    tag = getTag(tag);
+    if (Log.isLoggable(tag, Log.DEBUG)) {
+      Log.d(tag, String.format(message, args));
+    }
   }
 
-  public static void i(String tag, String message) {
-    Log.i(getTag(tag), message);
+  public static void i(String tag, String message, Object arg1) {
+    tag = getTag(tag);
+    if (Log.isLoggable(tag, Log.INFO)) {
+      Log.i(tag, String.format(message, arg1));
+    }
   }
 
   public static void e(String tag, String message, Throwable e) {
-    Log.e(getTag(tag), message, e);
+    tag = getTag(tag);
+    if (Log.isLoggable(tag, Log.ERROR)) {
+      Log.e(tag, message, e);
+    }
   }
 
   public static void w(String tag, String message, Object arg1) {
-    Log.w(getTag(tag), String.format(message, arg1));
+    tag = getTag(tag);
+    if (Log.isLoggable(tag, Log.WARN)) {
+      Log.w(tag, String.format(message, arg1));
+    }
   }
 }