/** * Loads the drawing. By convention this method is invoked on a worker thread. * * @param progress A ProgressIndicator to inform the user about the progress of the operation. * @return The Drawing that was loaded. */ protected Drawing loadDrawing(ProgressIndicator progress) throws IOException { Drawing drawing = createDrawing(); if (getParameter("datafile") != null) { URL url = new URL(getDocumentBase(), getParameter("datafile")); URLConnection uc = url.openConnection(); // Disable caching. This ensures that we always request the // newest version of the drawing from the server. // (Note: The server still needs to set the proper HTTP caching // properties to prevent proxies from caching the drawing). if (uc instanceof HttpURLConnection) { ((HttpURLConnection) uc).setUseCaches(false); } // Read the data into a buffer int contentLength = uc.getContentLength(); InputStream in = uc.getInputStream(); try { if (contentLength != -1) { in = new BoundedRangeInputStream(in); ((BoundedRangeInputStream) in).setMaximum(contentLength + 1); progress.setProgressModel((BoundedRangeModel) in); progress.setIndeterminate(false); } BufferedInputStream bin = new BufferedInputStream(in); bin.mark(512); // Read the data using all supported input formats // until we succeed IOException formatException = null; for (InputFormat format : drawing.getInputFormats()) { try { bin.reset(); } catch (IOException e) { uc = url.openConnection(); in = uc.getInputStream(); in = new BoundedRangeInputStream(in); ((BoundedRangeInputStream) in).setMaximum(contentLength + 1); progress.setProgressModel((BoundedRangeModel) in); bin = new BufferedInputStream(in); bin.mark(512); } try { bin.reset(); format.read(bin, drawing, true); formatException = null; break; } catch (IOException e) { formatException = e; } } if (formatException != null) { throw formatException; } } finally { in.close(); } } return drawing; }
/** * Makes a POST request and returns the server response. * * @param urlString the URL to post to * @param nameValuePairs a map of name/value pairs to supply in the request. * @return the server reply (either from the input stream or the error stream) */ public static String doPost(String urlString, Map<String, String> nameValuePairs) throws IOException { URL url = new URL(urlString); URLConnection connection = url.openConnection(); connection.setDoOutput(true); PrintWriter out = new PrintWriter(connection.getOutputStream()); boolean first = true; for (Map.Entry<String, String> pair : nameValuePairs.entrySet()) { if (first) first = false; else out.print('&'); String name = pair.getKey(); String value = pair.getValue(); out.print(name); out.print('='); out.print(URLEncoder.encode(value, "UTF-8")); } out.close(); Scanner in; StringBuilder response = new StringBuilder(); try { in = new Scanner(connection.getInputStream()); } catch (IOException e) { if (!(connection instanceof HttpURLConnection)) throw e; InputStream err = ((HttpURLConnection) connection).getErrorStream(); if (err == null) throw e; in = new Scanner(err); } while (in.hasNextLine()) { response.append(in.nextLine()); response.append("\n"); } in.close(); return response.toString(); }
public void actionPerformed(ActionEvent e) { SpinnerNumberModel m = ((SpinnerNumberModel) daysnr.getModel()); int days = m.getNumber().intValue(); String location = ((JTextField) loc).getText(); java.util.List<PointOfInterest> points = parent.textFieldPoints(location); if (!points.isEmpty()) { double latitude = points.get(0).getLatlon().latitude.getDegrees(), longitude = points.get(0).getLatlon().longitude.getDegrees(); // we want only the firs two decimals latitude = ((double) ((long) (latitude * 100))) / 100; longitude = ((double) ((long) (latitude * 100))) / 100; String APIKey = "65ea00ff33143650113112"; String address = "http://free.worldweatheronline.com/feed/weather.ashx?" + "key=" + APIKey + "&num_of_days=" + days + "&q=" + latitude + "," + longitude + "&format=json&cc=no"; try { URL link = new URL(address); URLConnection yc = link.openConnection(); BufferedReader in = new BufferedReader(new InputStreamReader(yc.getInputStream())); Vector<WeatherElements> elem = new Vector<WeatherElements>(); String jsonFile = in.readLine(); int i1 = 0, i2 = 0; for (int i = 0; i < days; i++) { i1 = jsonFile.indexOf("\"date\"", i2) + 9; i2 = jsonFile.indexOf("\"", i1); String date = jsonFile.substring(i1, i2); i2++; i1 = jsonFile.indexOf("\"precipMM\"", i2) + 13; i2 = jsonFile.indexOf("\"", i1); String rain = jsonFile.substring(i1, i2); i2++; i1 = jsonFile.indexOf("\"tempMaxC\"", i2) + 13; i2 = jsonFile.indexOf("\"", i1); String tempMax = jsonFile.substring(i1, i2); i2++; i1 = jsonFile.indexOf("\"tempMinC\"", i2) + 13; i2 = jsonFile.indexOf("\"", i1); String tempMin = jsonFile.substring(i1, i2); i2++; i1 = jsonFile.indexOf("\"value\"", i2) + 10; i2 = jsonFile.indexOf("\"", i1); String weatherStatus = jsonFile.substring(i1, i2); i2++; i1 = jsonFile.indexOf("\"value\"", i2) + 10; i2 = jsonFile.indexOf("\"", i1); String imgLink = jsonFile.substring(i1, i2); imgLink = imgLink.replace("\\", ""); i2++; i1 = jsonFile.indexOf("\"winddirDegree\"", i2) + 18; i2 = jsonFile.indexOf("\"", i1); String windDirDegree = jsonFile.substring(i1, i2); i2++; i1 = jsonFile.indexOf("\"winddirection\"", i2) + 18; i2 = jsonFile.indexOf("\"", i1); String windDir = jsonFile.substring(i1, i2); i2++; i1 = jsonFile.indexOf("\"windspeedKmph\"", i2) + 18; i2 = jsonFile.indexOf("\"", i1); String windSpeed = jsonFile.substring(i1, i2); i2++; WeatherElements o = new WeatherElements( date, rain, tempMax, tempMin, weatherStatus, imgLink, windDirDegree, windDir, windSpeed); elem.add(o); } weatherIcon.setVisible(true); dateout.setText(elem.elementAt(0).date); weatherIcon.setText("<html><img src=\"" + elem.elementAt(0).imgLink + "\" /></html>"); weatherstatus.setText("<html><h1>" + elem.elementAt(0).weatherStatus + "</h1></html>"); temperature.setText( "<html>Temperatures:<br />Temp min: " + elem.elementAt(0).tempMin + "°C<br />Temp max: " + elem.elementAt(0).tempMax + "°C</html>"); rain.setText("Rain: " + elem.elementAt(0).rain + " mm"); wind.setText( "<html>Wind: <br />" + "<img src=\"http://www.worldweatheronline.com" + "/App_Themes/Default/images/wind/" + elem.elementAt(0).windDir + ".png\" /><br />" + "Wind speed: " + elem.elementAt(0).windSpeed + "Km/h<br />" + elem.elementAt(0).windDir + "(" + elem.elementAt(0).windDirDegree + "°)</html>"); buttons.removeAll(); pageNum.removeAll(); buttons.updateUI(); pageNum.updateUI(); JButton previous = new JButton("Previous"); previous.setEnabled(false); previous.setName("prev"); JButton next = new JButton("Next"); next.setName("next"); if (days == 1) { next.setEnabled(false); } JTextField current = new JTextField("1", 3); current.setEditable(false); JTextField maxNum = new JTextField("" + elem.size(), 3); maxNum.setEditable(false); pageNum.add(current); pageNum.add(maxNum); previous.addActionListener( new WeatherButtonsActionListener( previous, next, weatherIcon, dateout, weatherstatus, temperature, rain, wind, elem, current)); next.addActionListener( new WeatherButtonsActionListener( previous, next, weatherIcon, dateout, weatherstatus, temperature, rain, wind, elem, current)); buttons.add(next); buttons.add(previous); JButton genHTML = new JButton("Generate HTML"); genHTML.addActionListener(new genHTMLWeatherReport(parent, elem)); buttons.add(genHTML); } catch (Exception ex) { parent.standardDialogBox("Fetching data error", "Somethnig goes wrong with the connection"); } } else { parent.standardDialogBox("Incorrect input", "Input is incorrect!"); } }
/** Submits POST command to the server, and reads the reply. */ public boolean post( String url, String fileName, String cryptToken, String type, String path, String content, String comment) throws IOException { String sep = "89692781418184"; while (content.indexOf(sep) != -1) sep += "x"; String message = makeMimeForm(fileName, cryptToken, type, path, content, comment, sep); // for test // URL server = new URL("http", "localhost", 80, savePath); URL server = new URL(getCodeBase().getProtocol(), getCodeBase().getHost(), getCodeBase().getPort(), url); URLConnection connection = server.openConnection(); connection.setAllowUserInteraction(false); connection.setDoOutput(true); // connection.setDoInput(true); connection.setUseCaches(false); connection.setRequestProperty("Content-type", "multipart/form-data; boundary=" + sep); connection.setRequestProperty("Content-length", Integer.toString(message.length())); // System.out.println(url); String replyString = null; try { DataOutputStream out = new DataOutputStream(connection.getOutputStream()); out.writeBytes(message); out.close(); // System.out.println("Wrote " + message.length() + // " bytes to\n" + connection); try { BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream())); String reply = null; while ((reply = in.readLine()) != null) { if (reply.startsWith("ERROR ")) { replyString = reply.substring("ERROR ".length()); } } in.close(); } catch (IOException ioe) { replyString = ioe.toString(); } } catch (UnknownServiceException use) { replyString = use.getMessage(); System.out.println(message); } if (replyString != null) { // System.out.println("---- Reply " + replyString); if (replyString.startsWith("URL ")) { URL eurl = getURL(replyString.substring("URL ".length())); getAppletContext().showDocument(eurl); } else if (replyString.startsWith("java.io.FileNotFoundException")) { // debug; when run from appletviewer, the http connection // is not available so write the file content if (path.endsWith(".draw") || path.endsWith(".map")) System.out.println(content); } else showStatus(replyString); return false; } else { showStatus(url + " saved"); return true; } }
/** * Creates this account on the server. * * @return the created account */ public NewAccount createAccount() { // Check if the two passwords match. String pass1 = new String(passField.getPassword()); String pass2 = new String(retypePassField.getPassword()); if (!pass1.equals(pass2)) { showErrorMessage( IppiAccRegWizzActivator.getResources() .getI18NString("plugin.sipaccregwizz.NOT_SAME_PASSWORD")); return null; } NewAccount newAccount = null; try { StringBuilder registerLinkBuilder = new StringBuilder(registerLink); registerLinkBuilder .append(URLEncoder.encode("email", "UTF-8")) .append("=") .append(URLEncoder.encode(emailField.getText(), "UTF-8")) .append("&") .append(URLEncoder.encode("password", "UTF-8")) .append("=") .append(URLEncoder.encode(new String(passField.getPassword()), "UTF-8")) .append("&") .append(URLEncoder.encode("display_name", "UTF-8")) .append("=") .append(URLEncoder.encode(displayNameField.getText(), "UTF-8")) .append("&") .append(URLEncoder.encode("username", "UTF-8")) .append("=") .append(URLEncoder.encode(usernameField.getText(), "UTF-8")) .append("&") .append(URLEncoder.encode("user_agent", "UTF-8")) .append("=") .append(URLEncoder.encode("sip-communicator.org", "UTF-8")); URL url = new URL(registerLinkBuilder.toString()); URLConnection conn = url.openConnection(); // If this is not an http connection we have nothing to do here. if (!(conn instanceof HttpURLConnection)) { return null; } HttpURLConnection httpConn = (HttpURLConnection) conn; int responseCode = httpConn.getResponseCode(); if (responseCode == HttpURLConnection.HTTP_OK) { // Read all the text returned by the server BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream())); String str; StringBuffer stringBuffer = new StringBuffer(); while ((str = in.readLine()) != null) { stringBuffer.append(str); } if (logger.isInfoEnabled()) logger.info("JSON response to create account request: " + stringBuffer.toString()); newAccount = parseHttpResponse(stringBuffer.toString()); } } catch (MalformedURLException e1) { if (logger.isInfoEnabled()) logger.info("Failed to create URL with string: " + registerLink, e1); } catch (IOException e1) { if (logger.isInfoEnabled()) logger.info("Failed to open connection.", e1); } return newAccount; }
public static boolean showLicensing() { if (Config.getLicenseResource() == null) return true; ClassLoader cl = Main.class.getClassLoader(); URL url = cl.getResource(Config.getLicenseResource()); if (url == null) return true; String license = null; try { URLConnection con = url.openConnection(); int size = con.getContentLength(); byte[] content = new byte[size]; InputStream in = new BufferedInputStream(con.getInputStream()); in.read(content); license = new String(content); } catch (IOException ioe) { Config.trace("Got exception when reading " + Config.getLicenseResource() + ": " + ioe); return false; } // Build dialog JTextArea ta = new JTextArea(license); ta.setEditable(false); final JDialog jd = new JDialog(_installerFrame, true); Container comp = jd.getContentPane(); jd.setTitle(Config.getLicenseDialogTitle()); comp.setLayout(new BorderLayout(10, 10)); comp.add(new JScrollPane(ta), "Center"); Box box = new Box(BoxLayout.X_AXIS); box.add(box.createHorizontalStrut(10)); box.add(new JLabel(Config.getLicenseDialogQuestionString())); box.add(box.createHorizontalGlue()); JButton acceptButton = new JButton(Config.getLicenseDialogAcceptString()); JButton exitButton = new JButton(Config.getLicenseDialogExitString()); box.add(acceptButton); box.add(box.createHorizontalStrut(10)); box.add(exitButton); box.add(box.createHorizontalStrut(10)); jd.getRootPane().setDefaultButton(acceptButton); Box box2 = new Box(BoxLayout.Y_AXIS); box2.add(box); box2.add(box2.createVerticalStrut(5)); comp.add(box2, "South"); jd.pack(); final boolean accept[] = new boolean[1]; acceptButton.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { accept[0] = true; jd.hide(); jd.dispose(); } }); exitButton.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { accept[0] = false; jd.hide(); jd.dispose(); } }); // Apply any defaults the user may have, constraining to the size // of the screen, and default (packed) size. Rectangle size = new Rectangle(0, 0, 500, 300); Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize(); size.width = Math.min(screenSize.width, size.width); size.height = Math.min(screenSize.height, size.height); // Center the window jd.setBounds( (screenSize.width - size.width) / 2, (screenSize.height - size.height) / 2, size.width, size.height); // Show dialog jd.show(); return accept[0]; }
/** Unpacks a resource to a temp. file */ public static File unpackInstaller(String resourceName) { // Array to hold all results (this code is slightly more // generally that it needs to be) File[] results = new File[1]; URL[] urls = new URL[1]; // Determine size of download ClassLoader cl = Main.class.getClassLoader(); urls[0] = cl.getResource(Config.getInstallerResource()); if (urls[0] == null) { Config.trace("Could not find resource: " + Config.getInstallerResource()); return null; } int totalSize = 0; int totalRead = 0; for (int i = 0; i < urls.length; i++) { if (urls[i] != null) { try { URLConnection connection = urls[i].openConnection(); totalSize += connection.getContentLength(); } catch (IOException ioe) { Config.trace("Got exception: " + ioe); return null; } } } // Unpack each file for (int i = 0; i < urls.length; i++) { if (urls[i] != null) { // Create temp. file to store unpacked file in InputStream in = null; OutputStream out = null; try { // Use extension from URL (important for dll files) String extension = new File(urls[i].getFile()).getName(); int lastdotidx = (extension != null) ? extension.lastIndexOf('.') : -1; if (lastdotidx == -1) { extension = ".dat"; } else { extension = extension.substring(lastdotidx); } // Create output stream results[i] = File.createTempFile("jre", extension); results[i].deleteOnExit(); out = new FileOutputStream(results[i]); // Create inputstream URLConnection connection = urls[i].openConnection(); in = connection.getInputStream(); int read = 0; byte[] buf = new byte[BUFFER_SIZE]; while ((read = in.read(buf)) != -1) { out.write(buf, 0, read); // Notify delegate totalRead += read; if (totalRead > totalSize && totalSize != 0) totalSize = totalRead; // Update UI if (totalSize != 0) { int percent = (100 * totalRead) / totalSize; setStepText(STEP_UNPACK, Config.getWindowStepProgress(STEP_UNPACK, percent)); } } } catch (IOException ie) { Config.trace("Got exception while downloading resource: " + ie); for (int j = 0; j < results.length; j++) { if (results[j] != null) results[j].delete(); } return null; } finally { try { if (in != null) in.close(); if (out != null) out.close(); } catch (IOException io) { /* ignore */ } } } } setStepText(STEP_UNPACK, Config.getWindowStep(STEP_UNPACK)); return results[0]; }