Merge "Remove references to Dalvik logger." am: 385a775e73 am: 40ab1cf73c am: 75f6223c7c am: c96e8b2184

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1352358

Change-Id: I0295a06ef04d8f100f683872340040ead72eccf9

config/preloaded-classes

@@ -9990,8 +9990,6 @@ dalvik.system.CloseGuard$DefaultReporter
 dalvik.system.CloseGuard$Reporter
 dalvik.system.CloseGuard$Tracker
 dalvik.system.CloseGuard
-dalvik.system.DalvikLogHandler
-dalvik.system.DalvikLogging
 dalvik.system.DelegateLastClassLoader
 dalvik.system.DexClassLoader
 dalvik.system.DexFile$1

core/java/com/android/internal/logging/AndroidHandler.java

@@ -17,9 +17,8 @@
 package com.android.internal.logging;
 
 import android.util.Log;
+
 import com.android.internal.util.FastPrintWriter;
-import dalvik.system.DalvikLogging;
-import dalvik.system.DalvikLogHandler;
 
 import java.io.PrintWriter;
 import java.io.StringWriter;
@@ -82,7 +81,7 @@ import java.util.logging.Logger;
  *   </tr>
  * </table>
  */
-public class AndroidHandler extends Handler implements DalvikLogHandler {
+public class AndroidHandler extends Handler {
     /**
      * Holds the formatter for all Android log handlers.
      */
@@ -121,10 +120,32 @@ public class AndroidHandler extends Handler implements DalvikLogHandler {
         // No need to flush, but must implement abstract method.
     }
 
+    /**
+     * Returns the short logger tag (up to 23 chars) for the given logger name.
+     * Traditionally loggers are named by fully-qualified Java classes; this
+     * method attempts to return a concise identifying part of such names.
+     */
+    private static String loggerNameToTag(String loggerName) {
+        // Anonymous logger.
+        if (loggerName == null) {
+            return "null";
+        }
+
+        int length = loggerName.length();
+        if (length <= 23) {
+            return loggerName;
+        }
+
+        int lastPeriod = loggerName.lastIndexOf(".");
+        return length - (lastPeriod + 1) <= 23
+                ? loggerName.substring(lastPeriod + 1)
+                : loggerName.substring(loggerName.length() - 23);
+    }
+
     @Override
     public void publish(LogRecord record) {
         int level = getAndroidLevel(record.getLevel());
-        String tag = DalvikLogging.loggerNameToTag(record.getLoggerName());
+        String tag = loggerNameToTag(record.getLoggerName());
         if (!Log.isLoggable(tag, level)) {
             return;
         }