private Object request( String url, boolean post, Hashtable params, boolean basicAuth, boolean processOutput) throws Exception { HttpConnection conn = null; Writer writer = null; InputStream is = null; try { if (!post && (params != null)) { ByteArrayOutputStream baos = new ByteArrayOutputStream(); OutputStreamWriter osw = new OutputStreamWriter(baos, this.encoding); this.encodeParams(params, osw); osw.flush(); osw.close(); osw = null; url += "?" + new String(baos.toByteArray(), this.encoding); baos = null; } conn = (HttpConnection) Connector.open(url); conn.setRequestMethod(post ? HttpConnection.POST : HttpConnection.GET); if (basicAuth) { if (!this.areCredentialsSet()) throw new Exception("Credentials are not set"); String token = base64Encode((this.user + ":" + this.pass).getBytes(this.encoding)); conn.setRequestProperty("Authorization", "Basic " + token); } if (post && (params != null)) { OutputStream os = conn.openOutputStream(); writer = new OutputStreamWriter(os, this.encoding); this.encodeParams(params, writer); writer.flush(); writer.close(); os = null; writer = null; } int code = conn.getResponseCode(); if ((code != 200) && (code != 302)) throw new Exception("Unexpected response code " + code + ": " + conn.getResponseMessage()); is = conn.openInputStream(); if (processOutput) { synchronized (this.json) { return this.json.parse(is); } } else { this.pump(is, System.out, 1024); return null; } } finally { if (writer != null) writer.close(); if (is != null) is.close(); if (conn != null) conn.close(); } }
/** * Pass some data to the server and wait for a response. * * @param data The data to send. */ private void send(String data) throws IOException { // Cache the length locally for better efficiency. int length = data.length(); // Create an input array just big enough to hold the data // (we're expecting the same string back that we send). // char[] input = new char[length]; _out.write(data, 0, length); /* // Read character by character into the input array. for (int i = 0; i < length; ++i) { input[i] = (char)_in.read(); } // Hand the data to the parent class for updating the GUI. By explicitly // creating the stringbuffer we can save a few object creations. StringBuffer s = new StringBuffer(); s.append("Received: ") ; s.append(input, 0, length); _screen.updateDisplay(s.toString());*/ }
/** Implementation of Thread. */ public void run() { StreamConnection connection = null; try { _screen.updateDisplay("Opening Connection..."); String url = "socket://" + _screen.getHostFieldText() + ":44444;interface=wifi" + (_screen.isDirectTCP() ? ";deviceside=true" : ""); connection = (StreamConnection) Connector.open(url); _screen.updateDisplay("Connection with " + _screen.getHostFieldText() + " established."); _in = connection.openInputStream(); _out = new OutputStreamWriter(connection.openOutputStream()); // Send the HELLO string. // send("Hello from BlackBerry 9860."); // send("Hello from BlackBerry 9860."); send(AzrRP_Screen.getMsg()); // Execute further data exchange here... // send("Bye"); _screen.updateDisplay("Done!"); } catch (IOException e) { System.err.println(e.toString()); } finally { _screen.setThreadRunning(false); try { _in.close(); } catch (IOException ioe) { } try { _out.close(); AzrRP_Screen.setMsg(null); } catch (IOException ioe) { } try { connection.close(); } catch (IOException ioe) { } } }