diff options
Diffstat (limited to 'src/main/java/com/android/volley/toolbox/ClearCacheRequest.java')
-rw-r--r-- | src/main/java/com/android/volley/toolbox/ClearCacheRequest.java | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/main/java/com/android/volley/toolbox/ClearCacheRequest.java b/src/main/java/com/android/volley/toolbox/ClearCacheRequest.java new file mode 100644 index 0000000..a3478bf --- /dev/null +++ b/src/main/java/com/android/volley/toolbox/ClearCacheRequest.java @@ -0,0 +1,70 @@ +/* + * 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 com.android.volley.Cache; +import com.android.volley.NetworkResponse; +import com.android.volley.Request; +import com.android.volley.Response; + +import android.os.Handler; +import android.os.Looper; + +/** + * 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) { + } +} |