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wjc133
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May 20, 2016
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67 changes: 67 additions & 0 deletions
67
soar-core/src/main/java/com/elite/tools/soar/toolbox/ClearCacheRequest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
|
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| package com.elite.tools.soar.toolbox; | ||
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| import com.elite.tools.soar.Cache; | ||
| import com.elite.tools.soar.NetworkResponse; | ||
| import com.elite.tools.soar.Request; | ||
| import com.elite.tools.soar.Response; | ||
|
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| /** | ||
| * A synthetic request used for clearing the cache. | ||
| */ | ||
| public class ClearCacheRequest extends Request<Object> { | ||
| private final Cache mCache; | ||
| private final Runnable mCallback; | ||
|
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| /** | ||
| * 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; | ||
| } | ||
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| @Override | ||
| public boolean isCanceled() { | ||
| // This is a little bit of a hack, but hey, why not. | ||
| mCache.clear(); | ||
| if (mCallback != null) { | ||
| mCallback.run(); | ||
| } | ||
| return true; | ||
| } | ||
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| @Override | ||
| public Priority getPriority() { | ||
| return Priority.IMMEDIATE; | ||
| } | ||
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| @Override | ||
| protected Response<Object> parseNetworkResponse(NetworkResponse response) { | ||
| return null; | ||
| } | ||
|
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| @Override | ||
| protected void deliverResponse(Object response) { | ||
| } | ||
| } |
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154 changes: 154 additions & 0 deletions
154
soar-core/src/main/java/com/elite/tools/soar/toolbox/RequestFuture.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,154 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
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| package com.elite.tools.soar.toolbox; | ||
|
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| import com.elite.tools.soar.Request; | ||
| import com.elite.tools.soar.Response; | ||
| import com.elite.tools.soar.SoarError; | ||
|
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| import java.util.concurrent.ExecutionException; | ||
| import java.util.concurrent.Future; | ||
| import java.util.concurrent.TimeUnit; | ||
| import java.util.concurrent.TimeoutException; | ||
|
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| /** | ||
| * A Future that represents a Soar request. | ||
| * <p> | ||
| * Used by providing as your response and error listeners. For example: | ||
| * <pre> | ||
| * RequestFuture<JSONObject> future = RequestFuture.newFuture(); | ||
| * MyRequest request = new MyRequest(URL, future, future); | ||
| * | ||
| * // If you want to be able to cancel the request: | ||
| * future.setRequest(requestQueue.add(request)); | ||
| * | ||
| * // Otherwise: | ||
| * requestQueue.add(request); | ||
| * | ||
| * try { | ||
| * JSONObject response = future.get(); | ||
| * // do something with response | ||
| * } catch (InterruptedException e) { | ||
| * // handle the error | ||
| * } catch (ExecutionException e) { | ||
| * // handle the error | ||
| * } | ||
| * </pre> | ||
| * | ||
| * @param <T> The type of parsed response this future expects. | ||
| */ | ||
| public class RequestFuture<T> implements Future<T>, Response.Listener<T>, | ||
| Response.ErrorListener { | ||
| private Request<?> mRequest; | ||
| private boolean mResultReceived = false; | ||
| private T mResult; | ||
| private SoarError mException; | ||
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| private RequestFuture() { | ||
| } | ||
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| public static <E> RequestFuture<E> newFuture() { | ||
| return new RequestFuture<E>(); | ||
| } | ||
|
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| public void setRequest(Request<?> request) { | ||
| mRequest = request; | ||
| } | ||
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| @Override | ||
| public synchronized boolean cancel(boolean mayInterruptIfRunning) { | ||
| if (mRequest == null) { | ||
| return false; | ||
| } | ||
|
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| if (!isDone()) { | ||
| mRequest.cancel(); | ||
| return true; | ||
| } else { | ||
| return false; | ||
| } | ||
| } | ||
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| @Override | ||
| public T get() throws InterruptedException, ExecutionException { | ||
| try { | ||
| return doGet(null); | ||
| } catch (TimeoutException e) { | ||
| throw new AssertionError(e); | ||
| } | ||
| } | ||
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| @Override | ||
| public T get(long timeout, TimeUnit unit) | ||
| throws InterruptedException, ExecutionException, TimeoutException { | ||
| return doGet(TimeUnit.MILLISECONDS.convert(timeout, unit)); | ||
| } | ||
|
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| private synchronized T doGet(Long timeoutMs) | ||
| throws InterruptedException, ExecutionException, TimeoutException { | ||
| if (mException != null) { | ||
| throw new ExecutionException(mException); | ||
| } | ||
|
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| if (mResultReceived) { | ||
| return mResult; | ||
| } | ||
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| if (timeoutMs == null) { | ||
| wait(0); | ||
| } else if (timeoutMs > 0) { | ||
| wait(timeoutMs); | ||
| } | ||
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| if (mException != null) { | ||
| throw new ExecutionException(mException); | ||
| } | ||
|
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| if (!mResultReceived) { | ||
| throw new TimeoutException(); | ||
| } | ||
|
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| return mResult; | ||
| } | ||
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| @Override | ||
| public boolean isCancelled() { | ||
| if (mRequest == null) { | ||
| return false; | ||
| } | ||
| return mRequest.isCanceled(); | ||
| } | ||
|
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| @Override | ||
| public synchronized boolean isDone() { | ||
| return mResultReceived || mException != null || isCancelled(); | ||
| } | ||
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| @Override | ||
| public synchronized void onResponse(T response) { | ||
| mResultReceived = true; | ||
| mResult = response; | ||
| notifyAll(); | ||
| } | ||
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| @Override | ||
| public synchronized void onErrorResponse(SoarError error) { | ||
| mException = error; | ||
| notifyAll(); | ||
| } | ||
| } | ||
|
|
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