[Cronet] Expose HttpURLConnection API from CronetEngine, not classes

components/cronet/android/java/src/org/chromium/net/CronetUrlRequestContext.java

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.net;
 
 import android.os.Build;
 import android.os.ConditionVariable;
 import android.os.Handler;
 import android.os.Looper;
 import android.os.Process;
 import android.util.Log;
 
 import org.chromium.base.ObserverList;
 import org.chromium.base.VisibleForTesting;
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
 import org.chromium.base.annotations.NativeClassQualifiedName;
 import org.chromium.base.annotations.UsedByReflection;
+import org.chromium.net.urlconnection.CronetHttpURLConnection;
+import org.chromium.net.urlconnection.CronetURLStreamHandlerFactory;
 
+import java.net.Proxy;
+import java.net.URL;
+import java.net.URLConnection;
+import java.net.URLStreamHandlerFactory;
 import java.util.concurrent.Executor;
 import java.util.concurrent.RejectedExecutionException;
 import java.util.concurrent.atomic.AtomicInteger;
 
 import javax.annotation.concurrent.GuardedBy;
 
 /**
  * CronetEngine using Chromium HTTP stack implementation.
  */
 @JNINamespace("cronet")
@@ skipping 216 matching lines @@
             mThroughputListenerList.removeObserver(listener);
             if (mThroughputListenerList.isEmpty()) {
                 synchronized (mLock) {
                     checkHaveAdapter();
                     nativeProvideThroughputObservations(mUrlRequestContextAdapter, false);
                 }
             }
         }
     }
 
+    @Override
+    public URLConnection openConnection(URL url) {
+        return openConnection(url, Proxy.NO_PROXY);
+    }
+
+    @Override
+    public URLConnection openConnection(URL url, Proxy proxy) {
+        if (proxy.type() != Proxy.Type.DIRECT) {
+            throw new UnsupportedOperationException();
+        }
+        String protocol = url.getProtocol();
+        if ("http".equals(protocol) || "https".equals(protocol)) {
+            return new CronetHttpURLConnection(url, this);
+        }
+        throw new UnsupportedOperationException("Unexpected protocol:" + protocol);
+    }
+
+    @Override
+    public URLStreamHandlerFactory createURLStreamHandlerFactory() {
+        return new CronetURLStreamHandlerFactory(this);
+    }
+
     /**
      * Mark request as started to prevent shutdown when there are active
      * requests.
      */
     void onRequestStarted(UrlRequest urlRequest) {
         mActiveRequestCount.incrementAndGet();
     }
 
     /**
      * Mark request as completed to allow shutdown when there are no active
@@ skipping 111 matching lines @@
     @NativeClassQualifiedName("CronetURLRequestContextAdapter")
     private native void nativeEnableNetworkQualityEstimator(
             long nativePtr, boolean useLocalHostRequests, boolean useSmallerResponses);
 
     @NativeClassQualifiedName("CronetURLRequestContextAdapter")
     private native void nativeProvideRTTObservations(long nativePtr, boolean should);
 
     @NativeClassQualifiedName("CronetURLRequestContextAdapter")
     private native void nativeProvideThroughputObservations(long nativePtr, boolean should);
 }