Pull cacheinvalidations code directory into chromium repo.

third_party/cacheinvalidation/src/java/com/google/ipc/invalidation/ticl/android2/AndroidInvalidationListenerStub.java

Index: third_party/cacheinvalidation/src/java/com/google/ipc/invalidation/ticl/android2/AndroidInvalidationListenerStub.java
diff --git a/third_party/cacheinvalidation/src/java/com/google/ipc/invalidation/ticl/android2/AndroidInvalidationListenerStub.java b/third_party/cacheinvalidation/src/java/com/google/ipc/invalidation/ticl/android2/AndroidInvalidationListenerStub.java
new file mode 100644
index 0000000000000000000000000000000000000000..527157d07a80e9c52f8d5d5a2c788daf8571a0e2
--- /dev/null
+++ b/third_party/cacheinvalidation/src/java/com/google/ipc/invalidation/ticl/android2/AndroidInvalidationListenerStub.java
@@ -0,0 +1,84 @@
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.ipc.invalidation.ticl.android2;
+
+import com.google.ipc.invalidation.external.client.InvalidationListener;
+import com.google.ipc.invalidation.external.client.android.service.AndroidLogger;
+
+import android.app.IntentService;
+import android.content.Intent;
+
+
+/**
+ * Class implementing the {@link InvalidationListener} in the application using the  client.
+ * This class is configured with the name of the application class implementing the
+ * {@link InvalidationListener} for the application. It receives upcalls from the Ticl as
+ * {@link Intent}s and dispatches them against dynamically created instances of the provided
+ * class. In this way, it serves as a bridge between the intent protocol and the application.
+ */
+public class AndroidInvalidationListenerStub extends IntentService {
+  /* This class needs to be public so that the Android runtime can start it as a service. */
+
+  private final AndroidLogger logger = AndroidLogger.forPrefix("");
+
+  /** The mapper used to route intents to the invalidation listener. */
+  private AndroidInvalidationListenerIntentMapper intentMapper;
+
+  public AndroidInvalidationListenerStub() {
+    super("");
+    setIntentRedelivery(true);
+  }
+
+  @Override
+  public void onCreate() {
+    super.onCreate();
+    InvalidationListener listener = createListener(getListenerClass());
+    intentMapper = new AndroidInvalidationListenerIntentMapper(listener, getApplicationContext());
+  }
+
+  @SuppressWarnings("unchecked")
+  private Class<? extends InvalidationListener> getListenerClass() {
+    try {
+      // Find the listener class that the application wants to use to receive upcalls.
+      return (Class<? extends InvalidationListener>)
+          Class.forName(new AndroidTiclManifest(this).getListenerClass());
+    } catch (ClassNotFoundException exception) {
+      throw new RuntimeException("Invalid listener class", exception);
+    }
+  }
+
+  /**
+   * Handles a listener upcall by decoding the protocol buffer in {@code intent} and dispatching
+   * to the appropriate method on an instance of {@link InvalidationListener}.
+   */
+  @Override
+  public void onHandleIntent(Intent intent) {
+    logger.fine("onHandleIntent({0})", intent);
+    intentMapper.handleIntent(intent);
+  }
+
+  private InvalidationListener createListener(Class<? extends InvalidationListener> listenerClass) {
+    // Create an instance of the application listener class to handle the upcall.
+    try {
+      return listenerClass.newInstance();
+    } catch (InstantiationException exception) {
+      throw new RuntimeException("Could not create listener", exception);
+    } catch (IllegalAccessException exception) {
+      throw new RuntimeException("Could not create listener", exception);
+    }
+  }
+}