1 files changed, 66 insertions, 0 deletions
diff --git a/core/src/main/java/com/android/volley/toolbox/ClearCacheRequest.java b/core/src/main/java/com/android/volley/toolbox/ClearCacheRequest.java
new file mode 100644
index 0000000..856ef80
--- /dev/null
+++ b/core/src/main/java/com/android/volley/toolbox/ClearCacheRequest.java
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * 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.android.volley.toolbox;
+
+import android.os.Handler;
+import android.os.Looper;
+import com.android.volley.Cache;
+import com.android.volley.NetworkResponse;
+import com.android.volley.Request;
+import com.android.volley.Response;
+
+/** A synthetic request used for clearing the cache. */
+public class ClearCacheRequest extends Request<Object> {
+    private final Cache mCache;
+    private final Runnable mCallback;
+
+    /**
+     * Creates a synthetic request for clearing the cache.
+     *
+     * @param cache Cache to clear
+     * @param callback Callback to make on the main thread once the cache is clear, or null for none
+     */
+    public ClearCacheRequest(Cache cache, Runnable callback) {
+        super(Method.GET, null, null);
+        mCache = cache;
+        mCallback = callback;
+    }
+
+    @Override
+    public boolean isCanceled() {
+        // This is a little bit of a hack, but hey, why not.
+        mCache.clear();
+        if (mCallback != null) {
+            Handler handler = new Handler(Looper.getMainLooper());
+            handler.postAtFrontOfQueue(mCallback);
+        }
+        return true;
+    }
+
+    @Override
+    public Priority getPriority() {
+        return Priority.IMMEDIATE;
+    }
+
+    @Override
+    protected Response<Object> parseNetworkResponse(NetworkResponse response) {
+        return null;
+    }
+
+    @Override
+    protected void deliverResponse(Object response) {}
+}