private static Method getBaselineMethod(JComponent component) { if (COMPONENT_BASELINE_METHOD != null) { return COMPONENT_BASELINE_METHOD; } Class klass = component.getClass(); while (klass != null) { if (BASELINE_MAP.containsKey(klass)) { Method method = (Method) BASELINE_MAP.get(klass); return method; } klass = klass.getSuperclass(); } klass = component.getClass(); Method[] methods = klass.getMethods(); for (int i = methods.length - 1; i >= 0; i--) { Method method = methods[i]; if ("getBaseline".equals(method.getName())) { Class[] params = method.getParameterTypes(); if (params.length == 2 && params[0] == int.class && params[1] == int.class) { BASELINE_MAP.put(klass, method); return method; } } } BASELINE_MAP.put(klass, null); return null; }
/** * Creates an <code>ComponentUI</code> implementation for the specified component. In other words * create the look and feel specific delegate object for <code>target</code>. This is done in two * steps: * * <ul> * <li>Look up the name of the <code>ComponentUI</code> implementation class under the value * returned by <code>target.getUIClassID()</code>. * <li>Use the implementation classes static <code>createUI()</code> method to construct a look * and feel delegate. * </ul> * * @param target the <code>JComponent</code> which needs a UI * @return the <code>ComponentUI</code> object */ public ComponentUI getUI(JComponent target) { Object cl = get("ClassLoader"); ClassLoader uiClassLoader = (cl != null) ? (ClassLoader) cl : target.getClass().getClassLoader(); Class<? extends ComponentUI> uiClass = getUIClass(target.getUIClassID(), uiClassLoader); Object uiObject = null; if (uiClass == null) { getUIError("no ComponentUI class for: " + target); } else { try { Method m = (Method) get(uiClass); if (m == null) { m = uiClass.getMethod("createUI", new Class[] {JComponent.class}); put(uiClass, m); } uiObject = MethodUtil.invoke(m, null, new Object[] {target}); } catch (NoSuchMethodException e) { getUIError("static createUI() method not found in " + uiClass); } catch (Exception e) { getUIError("createUI() failed for " + target + " " + e); } } return (ComponentUI) uiObject; }
/** * Create the given ViewManager * * @param viewDescriptor Identifies the VM * @param properties Property string to pass * @return The new one */ public ViewManager createViewManager(ViewDescriptor viewDescriptor, String properties) { synchronized (viewManagers) { try { ViewManager viewManager = null; if (viewDescriptor == null) { viewDescriptor = new ViewDescriptor(); } if (viewDescriptor.getClassNames().size() > 0) { Class viewManagerClass = Misc.findClass((String) viewDescriptor.getClassNames().get(0)); Constructor ctor = Misc.findConstructor( viewManagerClass, new Class[] {IntegratedDataViewer.class, ViewDescriptor.class, String.class}); if (ctor == null) { throw new IllegalArgumentException( "cannot create ViewManager:" + viewManagerClass.getName()); } viewManager = (ViewManager) ctor.newInstance(new Object[] {getIdv(), viewDescriptor, properties}); } else { viewManager = new MapViewManager(getIdv(), viewDescriptor, properties); } addViewManager(viewManager); return viewManager; } catch (Throwable e) { logException("In getViewManager", e); return null; } } }
/** * Find the class for the projection * * @param proj projection * @return corresponding ProjectionClass (or null if not found) */ private ProjectionClass findProjectionClass(Projection proj) { Class want = proj.getClass(); ComboBoxModel projClassList = projClassCB.getModel(); for (int i = 0; i < projClassList.getSize(); i++) { ProjectionClass pc = (ProjectionClass) projClassList.getElementAt(i); if (want.equals(pc.projClass)) { return pc; } } return null; }
private static boolean isWindows(LookAndFeel laf) { if (laf.getID() == "Windows") { return true; } if (!checkedForWindows) { try { WINDOWS_CLASS = Class.forName("com.sun.java.swing.plaf.windows.WindowsLookAndFeel"); } catch (ClassNotFoundException e) { } checkedForWindows = true; } return (WINDOWS_CLASS != null && WINDOWS_CLASS.isInstance(laf)); }
private Object getResource(String key) { URL url = null; String name = key; if (name != null) { try { Class c = Class.forName("content.AdvancedPanel"); url = c.getResource(name); } catch (ClassNotFoundException cnfe) { System.err.println("Unable to find Main class"); } return url; } else return null; }
/** * Return a String representation of the object * * @return a String representation of the object */ public String toString() { return paramType.getName() + " " + name + " " + ((reader == null) ? "-" : "R") + ((writer == null) ? "-" : "W"); }
/** * Make the default projections from the internal list of classes. * * @return list of default projections */ public static List makeDefaultProjections() { List defaults = new ArrayList(); List classNames = getDefaultProjections(); for (int i = 0; i < classNames.size(); i++) { String className = (String) classNames.get(i); try { Class projClass = Misc.findClass(className); ProjectionImpl pi = (ProjectionImpl) projClass.newInstance(); pi.setName("Default " + pi.getProjectionTypeLabel()); defaults.add(pi); } catch (Exception ee) { System.err.println("Error creating default projection: " + className); ee.printStackTrace(); } } return defaults; }
private static boolean isXP() { if (!checkedForClassic) { try { CLASSIC_WINDOWS = Class.forName("com.sun.java.swing.plaf.windows.WindowsClassicLookAndFeel"); } catch (ClassNotFoundException e) { } checkedForClassic = true; } if (CLASSIC_WINDOWS != null && CLASSIC_WINDOWS.isInstance(UIManager.getLookAndFeel())) { return false; } Toolkit toolkit = Toolkit.getDefaultToolkit(); Boolean themeActive = (Boolean) toolkit.getDesktopProperty("win.xpstyle.themeActive"); if (themeActive == null) { themeActive = Boolean.FALSE; } return themeActive.booleanValue(); }
/** * Get all of the view managers of the given class * * @param c ViewManager class * @return List of ViewManagers */ public List getViewManagers(Class c) { List result = new ArrayList(); List vms = getViewManagers(); for (int i = 0; i < vms.size(); i++) { ViewManager vm = (ViewManager) vms.get(i); if (c.isAssignableFrom(vm.getClass())) { result.add(vm); } } return result; }
/** * Create the default projection for the default class * * @return a default projection */ private ProjectionImpl makeDefaultProjection() { // the default constructor try { Constructor c = projClass.getConstructor(VOIDCLASSARG); return (ProjectionImpl) c.newInstance(VOIDOBJECTARG); } catch (Exception ee) { System.err.println( "ProjectionManager makeDefaultProjection failed to construct class " + projClass); System.err.println(" " + ee); return null; } }
/** * Accepts only cookies that can provide <code>Toolbar</code>. * * @param cookie an <code>InstanceCookie</code> to test * @return true if the cookie can provide accepted instances */ protected InstanceCookie acceptCookie(InstanceCookie cookie) throws java.io.IOException, ClassNotFoundException { Class c = cookie.instanceClass(); if (Toolbar.class.isAssignableFrom(c)) { return cookie; } if (Presenter.Toolbar.class.isAssignableFrom(c)) { return cookie; } if (separatorClass.isAssignableFrom(c)) { return cookie; } return null; }
private static Method getBRBIMethod(Component component) { Class klass = component.getClass(); while (klass != null) { if (BRB_I_MAP.containsKey(klass)) { Method method = (Method) BRB_I_MAP.get(klass); return method; } klass = klass.getSuperclass(); } klass = component.getClass(); Method[] methods = klass.getMethods(); for (int i = methods.length - 1; i >= 0; i--) { Method method = methods[i]; if ("getBaselineResizeBehaviorInt".equals(method.getName())) { Class[] params = method.getParameterTypes(); if (params.length == 0) { BRB_I_MAP.put(klass, method); return method; } } } BRB_I_MAP.put(klass, null); return null; }
private void copyFile() throws Exception { // Load the JDBC driver Class.forName(((String) jcboDriver.getSelectedItem()).trim()); System.out.println("Driver loaded"); // Establish a connection Connection conn = DriverManager.getConnection( ((String) jcboURL.getSelectedItem()).trim(), jtfUsername.getText().trim(), String.valueOf(jtfPassword.getPassword()).trim()); System.out.println("Database connected"); // Read each line from the text file and insert it to the table insertRows(conn); }
// event handling public void actionPerformed(ActionEvent e) { if (e.getSource() == btnok) { PreparedStatement pstm; ResultSet rs; String sql; // if no entries has been made and hit ok button throw an error // you can do this step using try clause as well if ((tf1.getText().equals("") && (tf2.getText().equals("")))) { lblmsg.setText("Enter your details "); lblmsg.setForeground(Color.magenta); } else { try { Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); Connection connect = DriverManager.getConnection("jdbc:odbc:student_base"); System.out.println("Connected to the database"); pstm = connect.prepareStatement("insert into student_base values(?,?)"); pstm.setString(1, tf1.getText()); pstm.setString(2, tf2.getText()); // execute method to execute the query pstm.executeUpdate(); lblmsg.setText("Details have been added to database"); // closing the prepared statement and connection object pstm.close(); connect.close(); } catch (SQLException sqe) { System.out.println("SQl error"); } catch (ClassNotFoundException cnf) { System.out.println("Class not found error"); } } } // upon clickin button addnew , your textfield will be empty to enternext record if (e.getSource() == btnaddnew) { tf1.setText(""); tf2.setText(""); } if (e.getSource() == btnexit) { System.exit(1); } }
static { Method componentBaselineMethod = null; Method componentBRBMethod = null; Method componentBRBIMethod = null; Object brbCenterOffset = null; Object brbConstantAscent = null; Object brbConstantDescent = null; Object brbOther = null; try { componentBaselineMethod = Component.class.getMethod("getBaseline", new Class[] {int.class, int.class}); componentBRBMethod = Component.class.getMethod("getBaselineResizeBehavior", new Class[] {}); Class brbClass = Class.forName("java.awt.Component$BaselineResizeBehavior"); brbCenterOffset = getFieldValue(brbClass, "CENTER_OFFSET"); brbConstantAscent = getFieldValue(brbClass, "CONSTANT_ASCENT"); brbConstantDescent = getFieldValue(brbClass, "CONSTANT_DESCENT"); brbOther = getFieldValue(brbClass, "OTHER"); } catch (NoSuchMethodException nsme) { } catch (ClassNotFoundException cnfe) { } catch (NoSuchFieldException nsfe) { } catch (IllegalAccessException iae) { } if (componentBaselineMethod == null || componentBRBMethod == null || brbCenterOffset == null || brbConstantDescent == null || brbConstantAscent == null || brbOther == null) { componentBaselineMethod = componentBRBMethod = null; brbCenterOffset = brbConstantAscent = brbConstantDescent = brbOther = null; } COMPONENT_BASELINE_METHOD = componentBaselineMethod; COMPONENT_BRB_METHOD = componentBRBMethod; ENUM_BRB_CENTER_OFFSET = brbCenterOffset; ENUM_BRB_CONSTANT_ASCENT = brbConstantAscent; ENUM_BRB_CONSTANT_DESCENT = brbConstantDescent; ENUM_BRB_OTHER = brbOther; }
public QSAdminGUI(QSAdminMain qsadminMain, JFrame parentFrame) { this.parentFrame = parentFrame; Container cp = this; qsadminMain.setGUI(this); cp.setLayout(new BorderLayout(5, 5)); headerPanel = new HeaderPanel(qsadminMain, parentFrame); mainCommandPanel = new MainCommandPanel(qsadminMain); cmdConsole = new CmdConsole(qsadminMain); propertiePanel = new PropertiePanel(qsadminMain); if (headerPanel == null || mainCommandPanel == null || cmdConsole == null || propertiePanel == null) { throw new RuntimeException("Loading of one of gui component failed."); } headerPanel.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 5)); cp.add(headerPanel, BorderLayout.NORTH); JScrollPane propertieScrollPane = new JScrollPane(propertiePanel); // JScrollPane commandScrollPane = new JScrollPane(mainCommandPanel); JSplitPane splitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, true, mainCommandPanel, cmdConsole); splitPane.setOneTouchExpandable(false); splitPane.setDividerLocation(250); // splitPane.setDividerLocation(0.70); tabbedPane = new JTabbedPane(JTabbedPane.TOP); tabbedPane.addTab("Main", ball, splitPane, "Main Commands"); tabbedPane.addTab("Get/Set", ball, propertieScrollPane, "Properties Panel"); QSAdminPluginConfig qsAdminPluginConfig = null; PluginPanel pluginPanel = null; // -- start of loadPlugins try { File xmlFile = null; ClassLoader classLoader = null; Class mainClass = null; File file = new File(pluginDir); File dirs[] = null; if (file.canRead()) dirs = file.listFiles(new DirFileList()); for (int i = 0; dirs != null && i < dirs.length; i++) { xmlFile = new File(dirs[i].getAbsolutePath() + File.separator + "plugin.xml"); if (xmlFile.canRead()) { qsAdminPluginConfig = PluginConfigReader.read(xmlFile); if (qsAdminPluginConfig.getActive().equals("yes") && qsAdminPluginConfig.getType().equals("javax.swing.JPanel")) { classLoader = ClassUtil.getClassLoaderFromJars(dirs[i].getAbsolutePath()); mainClass = classLoader.loadClass(qsAdminPluginConfig.getMainClass()); logger.fine("Got PluginMainClass " + mainClass); pluginPanel = (PluginPanel) mainClass.newInstance(); if (JPanel.class.isInstance(pluginPanel) == true) { logger.info("Loading plugin : " + qsAdminPluginConfig.getName()); pluginPanelMap.put("" + (2 + i), pluginPanel); plugins.add(pluginPanel); tabbedPane.addTab( qsAdminPluginConfig.getName(), ball, (JPanel) pluginPanel, qsAdminPluginConfig.getDesc()); pluginPanel.setQSAdminMain(qsadminMain); pluginPanel.init(); } } else { logger.info( "Plugin " + dirs[i] + " is disabled so skipping " + qsAdminPluginConfig.getActive() + ":" + qsAdminPluginConfig.getType()); } } else { logger.info("No plugin configuration found in " + xmlFile + " so skipping"); } } } catch (Exception e) { logger.warning("Error loading plugin : " + e); logger.fine("StackTrace:\n" + MyString.getStackTrace(e)); } // -- end of loadPlugins tabbedPane.addChangeListener( new ChangeListener() { int selected = -1; int oldSelected = -1; public void stateChanged(ChangeEvent e) { // if plugin selected = tabbedPane.getSelectedIndex(); if (selected >= 2) { ((PluginPanel) pluginPanelMap.get("" + selected)).activated(); } if (oldSelected >= 2) { ((PluginPanel) pluginPanelMap.get("" + oldSelected)).deactivated(); } oldSelected = selected; } }); // tabbedPane.setBorder(BorderFactory.createEmptyBorder(0,5,5,5)); cp.add(tabbedPane, BorderLayout.CENTER); buildMenu(); }
public WhatsNew(AbstractProjectViewer pv, boolean onlyShowCurrentVersion) throws GeneralException { super(pv); String wn = Environment.getProperty(Constants.WHATS_NEW_VERSION_VIEWED_PROPERTY_NAME); if (wn == null) { wn = "0"; } // Get the current whats new version (i.e. old). Version lastWhatsNewVersion = new Version(wn); boolean betasAllowed = Environment.getUserProperties() .getPropertyAsBoolean(Constants.OPTIN_TO_BETA_VERSIONS_PROPERTY_NAME); try { String whatsNew = Environment.getResourceFileAsString(Constants.WHATS_NEW_FILE); // Load up all the whats new for greater versions. Element root = JDOMUtils.getStringAsElement(whatsNew); java.util.List verEls = JDOMUtils.getChildElements(root, XMLConstants.version, false); // Assume they are in the right order // TODO: Enforce the order and/or sort. for (int i = 0; i < verEls.size(); i++) { Element vEl = (Element) verEls.get(i); String id = JDOMUtils.getAttributeValue(vEl, XMLConstants.id, true); Version v = new Version(id); /* if ((v.isBeta ()) && (!betasAllowed) ) { // Ignore, the user isn't interested in betas. continue; } */ if ((lastWhatsNewVersion.isNewer(v)) || ((onlyShowCurrentVersion) && (v.isSame(Environment.getQuollWriterVersion())))) { String c = WhatsNewComponentProvider.class.getName(); int ind = c.lastIndexOf("."); if (ind > 0) { c = c.substring(0, ind); } WhatsNewComponentProvider compProv = null; String cl = JDOMUtils.getAttributeValue(vEl, XMLConstants.clazz, false); if (!cl.equals("")) { Class clz = null; try { clz = Class.forName(cl); if (WhatsNewComponentProvider.class.isAssignableFrom(clz)) { compProv = (WhatsNewComponentProvider) clz.newInstance(); } } catch (Exception e) { } } // This is a version we are interested in. java.util.List itemEls = JDOMUtils.getChildElements(vEl, WhatsNewItem.XMLConstants.root, true); java.util.List<WhatsNewItem> its = new ArrayList(); for (int j = 0; j < itemEls.size(); j++) { Element itEl = (Element) itemEls.get(j); WhatsNewItem it = new WhatsNewItem(itEl, compProv, pv); if (it.onlyIfCurrentVersion) { if (!Environment.getQuollWriterVersion().isSame(v)) { continue; } } if ((it.description == null) && (it.component == null)) { Environment.logMessage( "Whats new item has no description or component, referenced by: " + JDOMUtils.getPath(itEl)); continue; } its.add(it); } if (its.size() > 0) { this.items.put(v, its); } } } } catch (Exception e) { throw new GeneralException("Unable to init whats new", e); } }
private static Object getFieldValue(Class type, String name) throws IllegalAccessException, NoSuchFieldException { return type.getField(name).get(null); }
/** * Create a new ProjectionClass from the class * * @param pc projection class * @throws ClassNotFoundException couldn't find the class * @throws IntrospectionException problem with introspection */ ProjectionClass(Class pc) throws ClassNotFoundException, IntrospectionException { projClass = pc; // eliminate common properties with "stop class" for getBeanInfo() Class stopClass; try { stopClass = Misc.findClass("ucar.unidata.geoloc.ProjectionImpl"); } catch (Exception ee) { System.err.println("constructParamInput failed "); stopClass = null; } // analyze current projection class as a bean; may throw IntrospectionException BeanInfo info = java.beans.Introspector.getBeanInfo(projClass, stopClass); // find read/write methods PropertyDescriptor[] props = info.getPropertyDescriptors(); if (debugBeans) { System.out.print("Bean Properties for class " + projClass); if ((props == null) || (props.length == 0)) { System.out.println("none"); return; } System.out.println(""); } for (int i = 0; i < props.length; i++) { PropertyDescriptor pd = props[i]; Method reader = pd.getReadMethod(); Method writer = pd.getWriteMethod(); // only interesetd in read/write properties if ((reader == null) || (writer == null)) { continue; } // A hack to exclude some attributes if (pd.getName().equals("name") || pd.getName().equals("defaultMapArea")) { continue; } ProjectionParam p = new ProjectionParam(pd.getName(), reader, writer, pd.getPropertyType()); paramList.add(p); if (debugBeans) { System.out.println(" -->" + p); } } // get an instance of this class so we can call toClassName() Projection project; if (null == (project = makeDefaultProjection())) { name = "none"; return; } // invoke the toClassName method try { Method m = projClass.getMethod("getProjectionTypeLabel", VOIDCLASSARG); name = (String) m.invoke(project, VOIDOBJECTARG); } catch (NoSuchMethodException ee) { System.err.println( "ProjectionManager: class " + projClass + " does not have method getProjectionTypeLabel()"); throw new ClassNotFoundException(); } catch (SecurityException ee) { System.err.println( "ProjectionManager: class " + projClass + " got SecurityException on getProjectionTypeLabel()" + ee); throw new ClassNotFoundException(); } catch (Exception ee) { System.err.println( "ProjectionManager: class " + projClass + " Exception when invoking getProjectionTypeLabel()" + ee); throw new ClassNotFoundException(); } }