public static boolean canGetWebResources(ProxyConfiguration proxyConfiguration, int timeout) {
try {
// TODO: add better method to check web resources
int result = testHTTPConnection(new URI("http://www.un.org/"), proxyConfiguration, timeout);
// int rawresult = testHTTPConnection(new URI("http://157.150.34.32"),
// proxyConfiguration, timeout);
switch (result) {
case HttpURLConnection.HTTP_OK:
case HttpURLConnection.HTTP_CREATED:
case HttpURLConnection.HTTP_NO_CONTENT:
case HttpURLConnection.HTTP_NOT_AUTHORITATIVE:
case HttpURLConnection.HTTP_ACCEPTED:
case HttpURLConnection.HTTP_PARTIAL:
case HttpURLConnection.HTTP_RESET:
return true;
default:
return false;
}
} catch (URISyntaxException e) {
LogWrapper.w(TAG, e.toString());
// APL.getEventReport().send(e);
}
return false;
}
private void log(String tag, String msg, int logLevel) {
switch (logLevel) {
case Log.DEBUG:
d(tag, msg);
break;
case Log.ERROR:
e(tag, msg);
break;
case Log.INFO:
i(tag, msg);
break;
case Log.ASSERT:
a(tag, msg);
break;
case Log.WARN:
w(tag, msg);
break;
default:
v(tag, msg);
break;
}
}
public static int testHTTPConnection(
URI uri, ProxyConfiguration proxyConfiguration, int timeout) {
int step = 0;
while (step < 5) {
try {
URL url = uri.toURL();
if (proxyConfiguration != null && proxyConfiguration.getProxyType() == Type.HTTP) {
System.setProperty("http.proxyHost", proxyConfiguration.getProxyIPHost());
System.setProperty("http.proxyPort", proxyConfiguration.getProxyPort().toString());
} else {
System.setProperty("http.proxyHost", "");
System.setProperty("http.proxyPort", "");
}
HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
httpURLConnection.setReadTimeout(timeout);
httpURLConnection.setConnectTimeout(timeout);
int result = httpURLConnection.getResponseCode();
return result;
} catch (Exception e) {
LogWrapper.w(TAG, e.toString());
}
step++;
try {
Thread.sleep(500);
} catch (InterruptedException e) {
APL.getEventReport().send(e);
return -1;
}
}
return -1;
}
