[Cronet] Initial implementation of HttpURLConnection

components/cronet/android/java/src/org/chromium/net/urlconnection/CronetURLStreamHandlerFactory.java

Index: components/cronet/android/java/src/org/chromium/net/urlconnection/CronetURLStreamHandlerFactory.java
diff --git a/components/cronet/android/java/src/org/chromium/net/urlconnection/CronetURLStreamHandlerFactory.java b/components/cronet/android/java/src/org/chromium/net/urlconnection/CronetURLStreamHandlerFactory.java
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@@ -0,0 +1,48 @@
+// 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.urlconnection;
+
+import android.content.Context;
+
+import org.chromium.net.UrlRequestContext;
+import org.chromium.net.UrlRequestContextConfig;
+
+import java.net.URLStreamHandler;
+import java.net.URLStreamHandlerFactory;
+
+/**
+ * An implementation of {@code URLStreamHandlerFactory} to handle http
+ * and https traffic.
+ */
+public class CronetURLStreamHandlerFactory
+        implements URLStreamHandlerFactory {
+    private final Context mContext;
+    private final UrlRequestContext mRequestContext;
+
+    /**
+     * Creates a {@link URLStreamHandlerFactory} to handle http and https
+     * traffic.
+     * @param context application context.
+     */
+    public CronetURLStreamHandlerFactory(Context context) {
+        mContext = context;
+        // TODO(xunjieli): have a way to enable customized config.
+        UrlRequestContextConfig config = new UrlRequestContextConfig();
+        config.enableSPDY(true).enableQUIC(true);
+        mRequestContext = UrlRequestContext.createContext(mContext, config);
+    }
+
+    /**
+     * Returns a {@link CronetHttpURLStreamHandler} for http and https, and
+     * null for other protocols.
+     */
+    @Override
+    public URLStreamHandler createURLStreamHandler(String protocol) {
+        if ("http".equals(protocol) || "https".equals(protocol)) {
+            return new CronetHttpURLStreamHandler(mRequestContext);
+        }
+        return null;
+    }
+}