Cronet API Refactoring

components/cronet/android/java/src/org/chromium/net/impl/UserAgent.java

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-package org.chromium.net;
+package org.chromium.net.impl;
 
 import android.content.Context;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.os.Build;
 
+import org.chromium.net.ApiVersion;
+
 import java.util.Locale;
 
 /**
  * Constructs a User-Agent string.
  */
-final class UserAgent {
+public final class UserAgent {
     private static final Object sLock = new Object();
 
     private static final int VERSION_CODE_UNINITIALIZED = 0;
     private static int sVersionCode = VERSION_CODE_UNINITIALIZED;
 
-    private UserAgent() {
-    }
+    private UserAgent() {}
 
     /**
      * Constructs a User-Agent string including application name and version,
      * system build version, model and Id, and Cronet version.
      * @param context the context to fetch the application name and version
      *         from.
      * @return User-Agent string.
      */
     public static String from(Context context) {
         StringBuilder builder = new StringBuilder();
@@ skipping 44 matching lines @@
 
         return builder.toString();
     }
 
     private static int versionFromContext(Context context) {
         synchronized (sLock) {
             if (sVersionCode == VERSION_CODE_UNINITIALIZED) {
                 PackageManager packageManager = context.getPackageManager();
                 String packageName = context.getPackageName();
                 try {
-                    PackageInfo packageInfo = packageManager.getPackageInfo(
-                            packageName, 0);
+                    PackageInfo packageInfo = packageManager.getPackageInfo(packageName, 0);
                     sVersionCode = packageInfo.versionCode;
                 } catch (NameNotFoundException e) {
-                    throw new IllegalStateException(
-                            "Cannot determine package version");
+                    throw new IllegalStateException("Cannot determine package version");
                 }
             }
             return sVersionCode;
         }
     }
 
     private static void appendCronetVersion(StringBuilder builder) {
         builder.append(" Cronet/");
         // TODO(pauljensen): This is the API version not the implementation
         // version. The implementation version may be more appropriate for the
         // UserAgent but is not available until after the CronetEngine is
         // instantiated. Down the road, if the implementation is loaded via
         // other means, this should be replaced with the implementation version.
         builder.append(ApiVersion.CRONET_VERSION);
     }
 }