Merge "Revert "Remove unused apache related API.""

1 files changed, 77 insertions, 0 deletions

diff --git a/core/java/android/net/Proxy.java b/core/java/android/net/Proxy.java
index 8efedfe..c3e1438 100644
--- a/core/java/android/net/Proxy.java
+++ b/core/java/android/net/Proxy.java
@@ -22,9 +22,18 @@ import android.content.Context;
 import android.text.TextUtils;
 import android.util.Log;
 
+
+import org.apache.http.HttpHost;
+import org.apache.http.HttpRequest;
+import org.apache.http.conn.routing.HttpRoute;
+import org.apache.http.conn.routing.HttpRoutePlanner;
+import org.apache.http.conn.scheme.SchemeRegistry;
+import org.apache.http.protocol.HttpContext;
+
 import java.net.InetSocketAddress;
 import java.net.ProxySelector;
 import java.net.URI;
+import java.util.List;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -34,6 +43,8 @@ import java.util.regex.Pattern;
  */
 public final class Proxy {
 
+    // Set to true to enable extra debugging.
+    private static final boolean DEBUG = false;
     private static final String TAG = "Proxy";
 
     private static final ProxySelector sDefaultProxySelector;
@@ -179,6 +190,30 @@ public final class Proxy {
         }
     }
 
+    /**
+     * Returns the preferred proxy to be used by clients. This is a wrapper
+     * around {@link android.net.Proxy#getHost()}.
+     *
+     * @param context the context which will be passed to
+     * {@link android.net.Proxy#getHost()}
+     * @param url the target URL for the request
+     * @note Calling this method requires permission
+     * android.permission.ACCESS_NETWORK_STATE
+     * @return The preferred proxy to be used by clients, or null if there
+     * is no proxy.
+     * {@hide}
+     */
+    public static final HttpHost getPreferredHttpHost(Context context,
+            String url) {
+        java.net.Proxy prefProxy = getProxy(context, url);
+        if (prefProxy.equals(java.net.Proxy.NO_PROXY)) {
+            return null;
+        } else {
+            InetSocketAddress sa = (InetSocketAddress)prefProxy.address();
+            return new HttpHost(sa.getHostName(), sa.getPort(), "http");
+        }
+    }
+
     private static final boolean isLocalHost(String host) {
         if (host == null) {
             return false;
@@ -233,6 +268,48 @@ public final class Proxy {
         }
     }
 
+    static class AndroidProxySelectorRoutePlanner
+            extends org.apache.http.impl.conn.ProxySelectorRoutePlanner {
+
+        private Context mContext;
+
+        public AndroidProxySelectorRoutePlanner(SchemeRegistry schreg, ProxySelector prosel,
+                Context context) {
+            super(schreg, prosel);
+            mContext = context;
+        }
+
+        @Override
+        protected java.net.Proxy chooseProxy(List<java.net.Proxy> proxies, HttpHost target,
+                HttpRequest request, HttpContext context) {
+            return getProxy(mContext, target.getHostName());
+        }
+
+        @Override
+        protected HttpHost determineProxy(HttpHost target, HttpRequest request,
+                HttpContext context) {
+            return getPreferredHttpHost(mContext, target.getHostName());
+        }
+
+        @Override
+        public HttpRoute determineRoute(HttpHost target, HttpRequest request,
+                HttpContext context) {
+            HttpHost proxy = getPreferredHttpHost(mContext, target.getHostName());
+            if (proxy == null) {
+                return new HttpRoute(target);
+            } else {
+                return new HttpRoute(target, null, proxy, false);
+            }
+        }
+    }
+
+    /** @hide */
+    public static final HttpRoutePlanner getAndroidProxySelectorRoutePlanner(Context context) {
+        AndroidProxySelectorRoutePlanner ret = new AndroidProxySelectorRoutePlanner(
+                new SchemeRegistry(), ProxySelector.getDefault(), context);
+        return ret;
+    }
+
     /** @hide */
     public static final void setHttpProxySystemProperty(ProxyProperties p) {
         String host = null;