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Commit f86f0e18 authored by Tsuwei Chen's avatar Tsuwei Chen
Browse files

Set user agent for XTRA download according to carrier specification. 

Bug: 17056380
Change-Id: Iacb90d4780f35fa6875702889d4a5f02610768b7
parent 08ff5c14

services/core/java/com/android/server/location/GpsXtraDownloader.java

+23 −10
Original line number Diff line number Diff line
@@ -19,6 +19,7 @@ package com.android.server.location; 
import android.content.Context;

import android.net.Proxy;

import android.net.http.AndroidHttpClient;

import android.text.TextUtils;

import android.util.Log;



import org.apache.http.HttpEntity;
@@ -42,12 +43,14 @@ import java.util.Random; 
public class GpsXtraDownloader {



    private static final String TAG = "GpsXtraDownloader";

    static final boolean DEBUG = false;

    private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);

    private static final String DEFAULT_USER_AGENT = "Android";



    private Context mContext;

    private String[] mXtraServers;

    private final Context mContext;

    private final String[] mXtraServers;

    // to load balance our server requests

    private int mNextServerIndex;

    private final String mUserAgent;



    GpsXtraDownloader(Context context, Properties properties) {

        mContext = context;
@@ -61,8 +64,17 @@ public class GpsXtraDownloader { 
        if (server2 != null) count++;

        if (server3 != null) count++;



        // Set User Agent from properties, if possible.

        String agent = properties.getProperty("XTRA_USER_AGENT");

        if (TextUtils.isEmpty(agent)) {

            mUserAgent = DEFAULT_USER_AGENT;

        } else {

            mUserAgent = agent;

        }



        if (count == 0) {

            Log.e(TAG, "No XTRA servers were specified in the GPS configuration");

            mXtraServers = null;

            return;

        } else {

            mXtraServers = new String[count];
@@ -104,13 +116,14 @@ public class GpsXtraDownloader { 
        return result;

    }



    protected static byte[] doDownload(String url, boolean isProxySet, 

    protected byte[] doDownload(String url, boolean isProxySet,

            String proxyHost, int proxyPort) {

        if (DEBUG) Log.d(TAG, "Downloading XTRA data from " + url);



        AndroidHttpClient client = null;

        try {

            client = AndroidHttpClient.newInstance("Android");

            if (DEBUG) Log.d(TAG, "XTRA user agent: " + mUserAgent);

            client = AndroidHttpClient.newInstance(mUserAgent);

            HttpUriRequest req = new HttpGet(url);



            if (isProxySet) {