/** Requests an HTTP resource and returns its response as a string */
public static String request(String httpUrl, Transaction tx) throws IOException {
checkTransaction(tx);
DataBuffer buffer = new DataBuffer(256, false);
InputStream is = null;
Connection conn = null;
try {
// append connection suffix
httpUrl += getConnectionSuffix();
Logger.log("Opening URL: " + httpUrl);
conn = Connector.open(httpUrl);
tx.setNetworkOperation(conn, is);
if (conn instanceof HttpConnection) {
HttpConnection httpConn = (HttpConnection) conn;
int responseCode = httpConn.getResponseCode();
is = httpConn.openInputStream();
tx.setNetworkOperation(conn, is);
int length = is.read(buffer.getArray());
buffer.setLength(length);
String response =
new String(buffer.getArray(), buffer.getArrayStart(), buffer.getArrayLength());
if (responseCode == 200) {
Logger.log("HTTP response: " + response);
return response;
} else {
Logger.warn("HTTP error response: " + response);
throw new IOException("Http error: " + responseCode + ", " + response);
}
} else {
throw new IOException("Can not make HTTP connection for URL '" + httpUrl + "'");
}
} finally {
PushUtils.close(conn, is, null);
tx.clearNetworkOperation();
}
}
