Import of Volley from GitHub to AOSP.android-s-beta-5android-s-beta-4android-s-beta-3android-s-beta-5android-s-beta-4

Android.bp has been updated to account for the new source directory structure.

  - 0dc50bcfd021c204a9e6c9e7e6befbdfa1027247 Refactor Volley into a multi-module project. (#418) by Jeff Davidson <jpd@google.com>
  - 763c86b0bc9f66a8bb499f6a8b7fd3bdc87621a8 Remove new constructors from JsonRequests which are break... by Jeff Davidson <jpd@google.com>
  - 8d1b1a59e7cd1b1d3c6d8686f8831cea08f80d1f Add @NonNull annotations to Volley (#413) by Kamal Faraj <kfaraj.dev@gmail.com>
  - 5ba41f8670413973f587e435598f9f1724fa26e9 Allow sending any JSON with JsonArrayRequest & JsonObject... by Paul Smith <paulsmithkc@gmail.com>
  - 784cdd755392a6080e5eb0bf94bd7bf4ea31cf17 Update SNAPSHOT version after 1.2.0 release by Jeff Davidson <jpd@google.com>
  - 0d6497bab417a5f78b3c8e03ea157ada0fbfbc5d Add developers stanza to Volley POM. (#400) by Jeff Davidson <jpd@google.com>
  - 36274bf515a699ae5a7fe3d321206d1b803226d8 API cleanup for Async Volley stack ahead of 1.2.0 release... by Jeff Davidson <jpd@google.com>
  - 03f0144843fcf9ebafe512647c1c588975429452 Update environment variable name for snapshot pushes. (#3... by Jeff Davidson <jpd@google.com>
  - 3bd1975652687d2baa1b11a7f02b135edede8523 Publish SNAPSHOT builds to OSSRH instead of OJO. (#397) by Jeff Davidson <jpd@google.com>
  - 0e0c3d9cfa694f8f1400a9e9abc4bc11761fdb52 Invoke RetryPolicy#retry in the blocking executor. (#393) by Jeff Davidson <jpd@google.com>
  - b51831a48f06ad28f627c3624e5edb41598a2bf8 Use a consistent timebase when evaluating soft/hard TTLs.... by Jeff Davidson <jpd@google.com>
  - cd0839113b100f163df1ebd04ce6d5b9e36e9863 Migrate from Travis CI to GitHub Actions. (#381) by Jeff Davidson <jpd@google.com>
  - bdc0e393199ebf9e67c4e29e665252818eed4639 Clean up cache initialization in AsyncRequestQueue. (#380) by Jeff Davidson <jpd@google.com>
  - 1c0ade36edde15d02844b40351ab6f80c63b71b3 Actually allow applications to provide custom executors. by Jeff Davidson <jpd@google.com>

GitOrigin-RevId: 0dc50bcfd021c204a9e6c9e7e6befbdfa1027247
Change-Id: I4b8e4098ad5c349cb83efc867273fac1d3582a34

1 files changed, 159 insertions, 0 deletions

diff --git a/core/src/main/java/com/android/volley/toolbox/RequestFuture.java b/core/src/main/java/com/android/volley/toolbox/RequestFuture.java
new file mode 100644
index 0000000..f9cbce2
--- /dev/null
+++ b/core/src/main/java/com/android/volley/toolbox/RequestFuture.java
@@ -0,0 +1,159 @@
+/*
+ * 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.SystemClock;
+import com.android.volley.Request;
+import com.android.volley.Response;
+import com.android.volley.VolleyError;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+
+/**
+ * A Future that represents a Volley request.
+ *
+ * <p>Used by providing as your response and error listeners. For example:
+ *
+ * <pre>
+ * RequestFuture&lt;JSONObject&gt; 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 VolleyError mException;
+
+    public static <E> RequestFuture<E> newFuture() {
+        return new RequestFuture<>();
+    }
+
+    private RequestFuture() {}
+
+    public void setRequest(Request<?> request) {
+        mRequest = request;
+    }
+
+    @Override
+    public synchronized boolean cancel(boolean mayInterruptIfRunning) {
+        if (mRequest == null) {
+            return false;
+        }
+
+        if (!isDone()) {
+            mRequest.cancel();
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    @Override
+    public T get() throws InterruptedException, ExecutionException {
+        try {
+            return doGet(/* timeoutMs= */ null);
+        } catch (TimeoutException e) {
+            throw new AssertionError(e);
+        }
+    }
+
+    @Override
+    public T get(long timeout, TimeUnit unit)
+            throws InterruptedException, ExecutionException, TimeoutException {
+        return doGet(TimeUnit.MILLISECONDS.convert(timeout, unit));
+    }
+
+    private synchronized T doGet(Long timeoutMs)
+            throws InterruptedException, ExecutionException, TimeoutException {
+        if (mException != null) {
+            throw new ExecutionException(mException);
+        }
+
+        if (mResultReceived) {
+            return mResult;
+        }
+
+        if (timeoutMs == null) {
+            while (!isDone()) {
+                wait(0);
+            }
+        } else if (timeoutMs > 0) {
+            long nowMs = SystemClock.uptimeMillis();
+            long deadlineMs = nowMs + timeoutMs;
+            while (!isDone() && nowMs < deadlineMs) {
+                wait(deadlineMs - nowMs);
+                nowMs = SystemClock.uptimeMillis();
+            }
+        }
+
+        if (mException != null) {
+            throw new ExecutionException(mException);
+        }
+
+        if (!mResultReceived) {
+            throw new TimeoutException();
+        }
+
+        return mResult;
+    }
+
+    @Override
+    public boolean isCancelled() {
+        if (mRequest == null) {
+            return false;
+        }
+        return mRequest.isCanceled();
+    }
+
+    @Override
+    public synchronized boolean isDone() {
+        return mResultReceived || mException != null || isCancelled();
+    }
+
+    @Override
+    public synchronized void onResponse(T response) {
+        mResultReceived = true;
+        mResult = response;
+        notifyAll();
+    }
+
+    @Override
+    public synchronized void onErrorResponse(VolleyError error) {
+        mException = error;
+        notifyAll();
+    }
+}