Move browser over to java.net.URLConnection.

bug: 18027885

Change-Id: Ie1db66432f0bd2b2eaaf2a7998828f69145645d9

2 files changed, 62 insertions, 47 deletions

diff --git a/src/com/android/browser/GoogleAccountLogin.java b/src/com/android/browser/GoogleAccountLogin.java
index 2bd3c8c7..93b10a6b 100644
--- a/src/com/android/browser/GoogleAccountLogin.java
+++ b/src/com/android/browser/GoogleAccountLogin.java
@@ -27,18 +27,22 @@ import android.content.DialogInterface;
 import android.content.DialogInterface.OnCancelListener;
 import android.content.SharedPreferences.Editor;
 import android.net.Uri;
-import android.net.http.AndroidHttpClient;
 import android.os.Bundle;
 import android.util.Log;
 import android.webkit.CookieSyncManager;
 import android.webkit.WebView;
 import android.webkit.WebViewClient;
 
-import org.apache.http.HttpEntity;
-import org.apache.http.HttpResponse;
-import org.apache.http.HttpStatus;
-import org.apache.http.client.methods.HttpPost;
-import org.apache.http.util.EntityUtils;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.HttpURLConnection;
+import java.net.Proxy;
+import java.net.URL;
+import java.nio.charset.Charset;
+import java.nio.charset.IllegalCharsetNameException;
+import java.nio.charset.UnsupportedCharsetException;
+import libcore.io.Streams;
+import libcore.net.http.ResponseUtils;
 
 public class GoogleAccountLogin implements Runnable,
         AccountManagerCallback<Bundle>, OnCancelListener {
@@ -104,25 +108,27 @@ public class GoogleAccountLogin implements Runnable,
     // Runnable
     @Override
     public void run() {
-        String url = ISSUE_AUTH_TOKEN_URL.buildUpon()
+        String urlString = ISSUE_AUTH_TOKEN_URL.buildUpon()
                 .appendQueryParameter("SID", mSid)
                 .appendQueryParameter("LSID", mLsid)
                 .build().toString();
-        // Intentionally not using Proxy.
-        AndroidHttpClient client = AndroidHttpClient.newInstance(mUserAgent);
-        HttpPost request = new HttpPost(url);
 
-        String result = null;
+        HttpURLConnection connection = null;
+        String authToken = null;
         try {
-            HttpResponse response = client.execute(request);
-            int status = response.getStatusLine().getStatusCode();
-            if (status != HttpStatus.SC_OK) {
+            URL url = new URL(urlString);
+            // Intentionally not using Proxy.
+            connection = (HttpURLConnection) url.openConnection(Proxy.NO_PROXY);
+            connection.setRequestMethod("POST");
+            connection.setRequestProperty("User-Agent", mUserAgent);
+
+            int status = connection.getResponseCode();
+            if (status != HttpURLConnection.HTTP_OK) {
                 Log.d(LOGTAG, "LOGIN_FAIL: Bad status from auth url "
-                      + status + ": "
-                      + response.getStatusLine().getReasonPhrase());
+                      + status + ": " + connection.getResponseMessage());
                 // Invalidate the tokens once just in case the 403 was for other
                 // reasons.
-                if (status == HttpStatus.SC_FORBIDDEN && !mTokensInvalidated) {
+                if (status == HttpURLConnection.HTTP_FORBIDDEN && !mTokensInvalidated) {
                     Log.d(LOGTAG, "LOGIN_FAIL: Invalidating tokens...");
                     // Need to regenerate the auth tokens and try again.
                     invalidateTokens();
@@ -134,24 +140,24 @@ public class GoogleAccountLogin implements Runnable,
                 done();
                 return;
             }
-            HttpEntity entity = response.getEntity();
-            if (entity == null) {
-                Log.d(LOGTAG, "LOGIN_FAIL: Null entity in response");
-                done();
-                return;
-            }
-            result = EntityUtils.toString(entity, "UTF-8");
+
+            final Charset responseCharset = ResponseUtils.responseCharset(
+                    connection.getContentType());
+            byte[] responseBytes = Streams.readFully(connection.getInputStream());
+            authToken = new String(responseBytes, responseCharset);
         } catch (Exception e) {
             Log.d(LOGTAG, "LOGIN_FAIL: Exception acquiring uber token " + e);
-            request.abort();
             done();
             return;
         } finally {
-            client.close();
+            if (connection != null) {
+                connection.disconnect();
+            }
         }
+
         final String newUrl = TOKEN_AUTH_URL.buildUpon()
                 .appendQueryParameter("source", "android-browser")
-                .appendQueryParameter("auth", result)
+                .appendQueryParameter("auth", authToken)
                 .appendQueryParameter("continue",
                         BrowserSettings.getFactoryResetHomeUrl(mActivity))
                 .build().toString();
diff --git a/src/com/android/browser/search/OpenSearchSearchEngine.java b/src/com/android/browser/search/OpenSearchSearchEngine.java
index e600aa98..0343d6e4 100644
--- a/src/com/android/browser/search/OpenSearchSearchEngine.java
+++ b/src/com/android/browser/search/OpenSearchSearchEngine.java
@@ -17,10 +17,14 @@ package com.android.browser.search;
 
 import com.android.browser.R;
 
-import org.apache.http.HttpResponse;
-import org.apache.http.client.HttpClient;
-import org.apache.http.client.methods.HttpGet;
-import org.apache.http.params.HttpParams;
+import java.io.InputStream;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.nio.charset.Charset;
+import java.nio.charset.IllegalCharsetNameException;
+import java.nio.charset.UnsupportedCharsetException;
+import libcore.io.Streams;
+import libcore.net.http.ResponseUtils;
 import org.apache.http.util.EntityUtils;
 import org.json.JSONArray;
 import org.json.JSONException;
@@ -33,7 +37,6 @@ import android.database.Cursor;
 import android.net.ConnectivityManager;
 import android.net.NetworkInfo;
 import android.net.Uri;
-import android.net.http.AndroidHttpClient;
 import android.os.Bundle;
 import android.provider.Browser;
 import android.text.TextUtils;
@@ -51,9 +54,6 @@ public class OpenSearchSearchEngine implements SearchEngine {
     private static final String USER_AGENT = "Android/1.0";
     private static final int HTTP_TIMEOUT_MS = 1000;
 
-    // TODO: this should be defined somewhere
-    private static final String HTTP_TIMEOUT = "http.connection-manager.timeout";
-
     // Indices of the columns in the below arrays.
     private static final int COLUMN_INDEX_ID = 0;
     private static final int COLUMN_INDEX_QUERY = 1;
@@ -80,13 +80,8 @@ public class OpenSearchSearchEngine implements SearchEngine {
 
     private final SearchEngineInfo mSearchEngineInfo;
 
-    private final AndroidHttpClient mHttpClient;
-
     public OpenSearchSearchEngine(Context context, SearchEngineInfo searchEngineInfo) {
         mSearchEngineInfo = searchEngineInfo;
-        mHttpClient = AndroidHttpClient.newInstance(USER_AGENT);
-        HttpParams params = mHttpClient.getParams();
-        params.setLongParameter(HTTP_TIMEOUT, HTTP_TIMEOUT_MS);
     }
 
     public String getName() {
@@ -167,16 +162,31 @@ public class OpenSearchSearchEngine implements SearchEngine {
     /**
      * Executes a GET request and returns the response content.
      *
-     * @param url Request URI.
+     * @param urlString Request URI.
      * @return The response content. This is the empty string if the response
      *         contained no content.
      */
-    public String readUrl(String url) {
+    public String readUrl(String urlString) {
         try {
-            HttpGet method = new HttpGet(url);
-            HttpResponse response = mHttpClient.execute(method);
-            if (response.getStatusLine().getStatusCode() == 200) {
-                return EntityUtils.toString(response.getEntity());
+            URL url = new URL(urlString);
+            HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
+            urlConnection.setRequestProperty("User-Agent", USER_AGENT);
+            urlConnection.setConnectTimeout(HTTP_TIMEOUT_MS);
+
+            if (urlConnection.getResponseCode() == 200) {
+                final Charset responseCharset;
+                try {
+                    responseCharset = ResponseUtils.responseCharset(urlConnection.getContentType());
+                } catch (UnsupportedCharsetException ucse) {
+                    Log.i(TAG, "Unsupported response charset", ucse);
+                    return null;
+                } catch (IllegalCharsetNameException icne) {
+                    Log.i(TAG, "Illegal response charset", icne);
+                    return null;
+                }
+
+                byte[] responseBytes = Streams.readFully(urlConnection.getInputStream());
+                return new String(responseBytes, responseCharset);
             } else {
                 Log.i(TAG, "Suggestion request failed");
                 return null;
@@ -192,7 +202,6 @@ public class OpenSearchSearchEngine implements SearchEngine {
     }
 
     public void close() {
-        mHttpClient.close();
     }
 
     private boolean isNetworkConnected(Context context) {