Java tutorial
/* * Copyright 2009 IT Mill Ltd. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ package com.thingtrack.konekti.view.web.workbench; import java.awt.image.BufferedImage; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.InputStream; import java.net.SocketException; import java.util.List; import java.util.Locale; import java.util.logging.Level; import java.util.logging.Logger; import javax.imageio.ImageIO; import org.dellroad.stuff.vaadin.SpringContextApplication; import org.osgi.framework.Bundle; import org.osgi.framework.BundleContext; import org.osgi.framework.FrameworkUtil; import org.osgi.framework.wiring.BundleWiring; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.context.ConfigurableWebApplicationContext; import com.github.peholmst.i18n4vaadin.I18N; import com.github.peholmst.i18n4vaadin.ResourceBundleI18N; import com.thingtrack.konekti.domain.Action; import com.thingtrack.konekti.domain.Configuration; import com.thingtrack.konekti.domain.MenuCommandResource; import com.thingtrack.konekti.domain.MenuFolderResource; import com.thingtrack.konekti.domain.MenuResource; import com.thingtrack.konekti.domain.MenuWorkbench; import com.thingtrack.konekti.domain.Permission; import com.thingtrack.konekti.domain.Role; import com.thingtrack.konekti.domain.User; import com.thingtrack.konekti.service.api.AreaService; import com.thingtrack.konekti.service.api.ConfigurationService; import com.thingtrack.konekti.service.api.LocationService; import com.thingtrack.konekti.service.api.MenuWorkbenchService; import com.thingtrack.konekti.service.api.OrganizationService; import com.thingtrack.konekti.service.api.UserService; import com.thingtrack.konekti.service.security.SecurityService; import com.thingtrack.konekti.view.addon.ui.SliderView; import com.thingtrack.konekti.view.kernel.IMetadataModuleServiceListener; import com.thingtrack.konekti.view.kernel.IModuleService; import com.thingtrack.konekti.view.kernel.IWorkbenchContext; import com.thingtrack.konekti.view.kernel.MetadataModule; import com.thingtrack.konekti.view.kernel.ui.layout.IApplicationCloseEventListener; import com.thingtrack.konekti.view.kernel.ui.layout.IUserChangeListener; import com.thingtrack.konekti.view.kernel.ui.layout.IViewChangeListener; import com.thingtrack.konekti.view.kernel.ui.layout.IViewContainer; import com.thingtrack.konekti.view.kernel.ui.layout.LOCATION; import com.thingtrack.konekti.view.kernel.ui.layout.ViewEvent; import com.thingtrack.konekti.view.layout.KonektiLayout; import com.thingtrack.konekti.view.web.workbench.ui.MenuManager; import com.thingtrack.konekti.view.web.workbench.ui.ResourceManager; import com.thingtrack.konekti.view.web.workbench.ui.ResourceManager.Resource; import com.thingtrack.konekti.view.web.workbench.ui.ToolbarManager; import com.thingtrack.konekti.view.web.workbench.ui.WorkbenchContext; import com.thingtrack.konekti.view.web.form.field.LocaleField; import com.thingtrack.konekti.view.addon.ui.ErrorViewForm; import com.vaadin.terminal.StreamResource; import com.vaadin.terminal.StreamResource.StreamSource; import com.vaadin.terminal.Terminal; import com.vaadin.terminal.gwt.server.WebApplicationContext; import com.vaadin.ui.MenuBar.Command; import com.vaadin.ui.MenuBar.MenuItem; import com.vaadin.ui.VerticalLayout; import com.vaadin.ui.Window; /** * The Application's "main" class */ @SuppressWarnings("serial") public class Main extends SpringContextApplication implements IMetadataModuleServiceListener, IViewChangeListener, IUserChangeListener { private final static Logger logger = Logger.getLogger(SpringContextApplication.class.getName()); @Autowired private IModuleService moduleService; @Autowired private MenuWorkbenchService menuWorkbenchService; @Autowired private SecurityService securityService; @Autowired private OrganizationService organizationService; @Autowired private LocationService locationService; @Autowired private AreaService areaService; @Autowired private UserService userService; @Autowired private ConfigurationService configurationService; @Autowired private ResourceManager resourceManager; @Autowired private ToolbarManager toolbarManager; @Autowired private MenuManager menuManager; @Autowired private KonektiLayout konektiLayout; private MainWindow window; private SliderView sliderView; private IWorkbenchContext workbenchContext; private String name; private String version; private String logoInit; private boolean demo; private boolean jira; private String jiraURL; private static int DEFAULT_MENU_ID = 0; private MenuItem headMenuItem; private I18N i18n; @Override protected void initSpringApplication(ConfigurableWebApplicationContext context) { // set konekti theme setTheme("konekti"); // get global konekti configuration getConfiguration(); // set main Window window = new MainWindow(name, configureI18n()); window.setStyleName("background"); setMainWindow(window); // set full size and none margin for the default window layout VerticalLayout mainLayout = (VerticalLayout) window.getContent(); mainLayout.setSizeFull(); mainLayout.setMargin(false); // Create the views createViews(); // add Konekti Layout mainLayout.addComponent(sliderView); // add module listener to list bundle install/uninstall moduleService.addListener(this); // add user change listener konektiLayout.getMenuLayout().addListenerUserChange(this); // set jira issue collector button generateJIRAIssueCollector(); // define MenuLayout Message listeners konektiLayout.getMenuLayout().addListenerApplicationClose(new IApplicationCloseEventListener() { @Override public void close() { moduleService.removeListener(Main.this); WebApplicationContext webApplicationContext = (WebApplicationContext) getMainWindow() .getApplication().getContext(); webApplicationContext.getHttpSession().invalidate(); getMainWindow().getApplication().close(); } }); } // Overriding getWindow(String) is required to get multiple browser windows/tabs to work /*@Override public Window getWindow(String name) { // If the window is identified by name, we are good to go Window w = super.getWindow(name); // If not, we must create a new window for this new browser window/tab if (w == null) { //w = new CalcWindow(); w = new MainWindow(name, configureI18n()); // Use the random name given by the framework to identify this // window in future w.setName(name); addWindow(w); // Move to the url to remember the name in the future w.open(new ExternalResource(w.getURL())); } return w; }*/ private I18N configureI18n() { // set locales supported by Konekti Locale esLocale = new Locale("es"); Locale enLocale = new Locale("en"); Locale frLocale = new Locale("fr"); Locale zhLocale = new Locale("zh"); // configure locale sources i18n = new ResourceBundleI18N("com/thingtrack/konekti/view/web/i18n/messages", getBundleClassLoader(), esLocale, enLocale, frLocale, zhLocale); // set default locale from browser configuration if (getLocale().toString().contains("es")) i18n.setCurrentLocale(esLocale); else if (getLocale().toString().contains("en")) i18n.setCurrentLocale(enLocale); else if (getLocale().toString().contains("fr")) i18n.setCurrentLocale(frLocale); else if (getLocale().toString().contains("zh")) i18n.setCurrentLocale(zhLocale); else i18n.setCurrentLocale(esLocale); return i18n; } private void generateJIRAIssueCollector() { // set jira issue collector button if (jira) { StringBuffer buffer = new StringBuffer(); buffer.append("jQuery.ajax({"); buffer.append("url: \"" + jiraURL + "\""); buffer.append(",type: \"get\""); buffer.append(",cache: true"); buffer.append(",dataType: \"script\"});"); getMainWindow().executeJavaScript(buffer.toString()); } } private ClassLoader getBundleClassLoader() { BundleContext bundleContext = FrameworkUtil.getBundle(Main.class).getBundleContext(); Bundle bundle = bundleContext.getBundle(); BundleWiring bundleWiring = bundle.adapt(BundleWiring.class); ClassLoader classLoader = bundleWiring.getClassLoader(); return classLoader; } private void getConfiguration() { Configuration configuration = null; try { configuration = configurationService.getByTag(Configuration.TAG.NAME.name()); name = configuration.getValue(); } catch (Exception e) { name = "KONEKTI"; } try { configuration = configurationService.getByTag(Configuration.TAG.VERSION.name()); version = configuration.getValue(); } catch (Exception e) { version = "0.0.1.SNAPSHOT"; } try { configuration = configurationService.getByTag(Configuration.TAG.LOGO_INIT.name()); logoInit = configuration.getValue(); } catch (Exception e) { logoInit = "logo_konekti_init.png"; } try { configuration = configurationService.getByTag(Configuration.TAG.DEMO.name()); demo = Boolean.parseBoolean(configuration.getValue()); } catch (Exception e) { demo = false; } try { configuration = configurationService.getByTag("JIRA"); jira = Boolean.parseBoolean(configuration.getValue()); } catch (Exception e) { jira = false; } try { configuration = configurationService.getByTag("JIRA_URL"); jiraURL = configuration.getValue(); } catch (Exception e) { // konekti issueCollector jiraURL = "https://thingtrack.atlassian.net/s/6791a7bea4f8d576fd0a266972dba049-T/es_ES-nr1nwy/64001/71/1.4.13/_/download/batch/com.atlassian.jira.collector.plugin.jira-issue-collector-plugin:issuecollector/com.atlassian.jira.collector.plugin.jira-issue-collector-plugin:issuecollector.js?locale=es-ES&collectorId=5e180215"; } } private void createViews() { sliderView = new SliderView(); sliderView.addListener(this); sliderView .addView(new SecurityAccessView(securityService, userService, sliderView, version, logoInit, demo)); sliderView.addView(new WorkbenchView(konektiLayout, sliderView)); } protected void initMenuManager(User user) { try { // STEP 1: construct vertical menu List<MenuWorkbench> menuResources = menuWorkbenchService.getAll(); // get the first menu MenuWorkbench menuDefault = menuResources.get(DEFAULT_MENU_ID); for (MenuFolderResource menuFolderResource : menuDefault.getMenuFolderResource()) { // add new menu item headMenuItem = konektiLayout.getMenuLayout().addMenuItem( i18n.getMessage(menuFolderResource.getKeyCaption()), getIcon(menuFolderResource.getIcon(), menuFolderResource.getCaption()), null); // recursive menu manage getMenu(menuFolderResource, headMenuItem, user); // remove menu items if don't have any command if (!headMenuItem.hasChildren()) konektiLayout.getMenuLayout().removeItem(headMenuItem); } } catch (Exception e) { e.getMessage(); } } private void getMenu(MenuFolderResource menuFolderResource, MenuItem itemParentId, User user) { for (final MenuResource menuResource : menuFolderResource.getMenuResources()) { if (menuResource instanceof MenuFolderResource) { // add new submenu item MenuItem headMenuResourceItem = konektiLayout.getMenuLayout().addMenuItem( i18n.getMessage(menuFolderResource.getKeyCaption()), getIcon(menuResource.getIcon(), menuResource.getCaption()), itemParentId, null); // recursive menu manage getMenu((MenuFolderResource) menuResource, headMenuResourceItem, user); // remove submenu items if don't have any command if (!headMenuResourceItem.hasChildren()) itemParentId.removeChild(headMenuResourceItem); } else { if (((MenuCommandResource) menuResource).getType() == MenuCommandResource.TYPE.SEPARATOR) itemParentId.addSeparator(); else { // check if exist VIEW permission for each module for the active user role if (getCommandPermission(user, (MenuCommandResource) menuResource)) { // default menu command Command defaultCommand = new Command() { @Override public void menuSelected(MenuItem selectedItem) { window.showNotification("Module Warning", "The Module: " + ((MenuCommandResource) menuResource).getModuleId() + "[" + ((MenuCommandResource) menuResource).getModuleVersion() + "] is not deploy", Window.Notification.TYPE_WARNING_MESSAGE); } }; // create the new menu item; recover commanda data String symbolicName = ((MenuCommandResource) menuResource).getModuleId(); String version = ((MenuCommandResource) menuResource).getModuleVersion(); String id = symbolicName + "#" + version; String caption = i18n.getMessage(((MenuCommandResource) menuResource).getKeyCaption()); String hint = i18n.getMessage(((MenuCommandResource) menuResource).getKeyHint()); boolean autoStart = ((MenuCommandResource) menuResource).isAutostart(); boolean closeable = ((MenuCommandResource) menuResource).isClosable(); com.vaadin.terminal.Resource resource = null; if (((MenuCommandResource) menuResource) != null) resource = getIcon(((MenuCommandResource) menuResource).getIcon(), caption); // create the new menu item MenuItem headMenuItem = konektiLayout.getMenuLayout().addMenuItem(caption, hint, resource, itemParentId, defaultCommand); // add command to the menu manager list if (((MenuCommandResource) menuResource).getLocation().name().equals("TOP")) resourceManager.addResource(id, caption, resource, LOCATION.TOP, autoStart, closeable, null, headMenuItem, null); else if (((MenuCommandResource) menuResource).getLocation().name().equals("LEFT")) resourceManager.addResource(id, caption, resource, LOCATION.LEFT, autoStart, closeable, null, headMenuItem, null); else if (((MenuCommandResource) menuResource).getLocation().name().equals("CENTER")) resourceManager.addResource(id, caption, resource, LOCATION.CENTER, autoStart, closeable, null, headMenuItem, null); else if (((MenuCommandResource) menuResource).getLocation().name().equals("RIGHT")) resourceManager.addResource(id, caption, resource, LOCATION.RIGHT, autoStart, closeable, null, headMenuItem, null); else if (((MenuCommandResource) menuResource).getLocation().name().equals("BOTTON")) resourceManager.addResource(id, caption, resource, LOCATION.BOTTON, autoStart, closeable, null, headMenuItem, null); // set module payload if is register in service registry MetadataModule metadataModule = moduleService.get(symbolicName, version); if (metadataModule != null) { try { setModuleResource(metadataModule); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } } } } } } private StreamResource getIcon(final byte[] byteResource, String name) { if (byteResource == null) return null; // create an instance of our stream source. StreamSource imagesource = new ModuleResource(byteResource); // Create a resource that uses the stream source and give it a name. // The constructor will automatically register the resource in the // application. StreamResource imageresource = new StreamResource(imagesource, name + ".png", this); return imageresource; } private class ModuleResource implements StreamResource.StreamSource { private byte[] resource = null; private ByteArrayOutputStream imagebuffer = null; public ModuleResource(byte[] resource) { this.resource = resource; } @Override public InputStream getStream() { if (resource != null) { InputStream in = new ByteArrayInputStream(resource); BufferedImage bImageFromConvert = null; try { bImageFromConvert = ImageIO.read(in); imagebuffer = new ByteArrayOutputStream(); ImageIO.write(bImageFromConvert, "png", imagebuffer); } catch (IOException e) { e.printStackTrace(); } return new ByteArrayInputStream(imagebuffer.toByteArray()); } return null; } } private void setModuleResource(MetadataModule metadataModule) throws Exception { final Resource resource = resourceManager .getResource(metadataModule.getId() + "#" + metadataModule.getVersion()); if (resource != null) { IViewContainer viewContainer = metadataModule.getModule().createViewComponent(workbenchContext); viewContainer.addListener((IViewChangeListener) toolbarManager); resource.setComponentView(viewContainer); // set command (handler) to item menu resource.getMenu().setCommand(new Command() { @Override public void menuSelected(MenuItem selectedItem) { konektiLayout.addModule(resource.getId(), resource.getCaption(), resource.getComponentView(), resource.isCloseable(), resource.getResource(), resource.getLocation()); } }); // autostart if the flag is active if (resource.isAutoStart()) konektiLayout.addModule(resource.getId(), resource.getCaption(), resource.getComponentView(), resource.isCloseable(), resource.getResource(), resource.getLocation()); } } private Boolean getCommandPermission(User user, MenuCommandResource command) { for (Role role : user.getRoles()) { if (role.getArea().equals(user.getActiveArea())) { for (Permission permission : role.getPermissions()) { if (permission.getMenuCommandResource() != null && permission.getMenuCommandResource() .getMenuResourceId() == command.getMenuResourceId()) { for (Action action : permission.getActions()) { if (action.getCode().equals(Action.ACTION.VIEW.name()) && action.isActive()) return permission.isActive(); } } } } } return false; } @Override public void metadataModuleRegistered(IModuleService source, MetadataModule metadataModule) { try { setModuleResource(metadataModule); } catch (Exception e) { e.printStackTrace(); } } @Override public void metadataModuleUnregistered(IModuleService source, final MetadataModule metadataModule) { String id = metadataModule.getId() + "#" + metadataModule.getVersion(); Resource resource = resourceManager.getResource(id); if (resource != null) { // remove the bundle tab resource if it's opened try { konektiLayout.removeModule(resource.getId()); resource.setTab(null); } catch (Exception e) { e.getMessage(); } // set default command to the bundle menu resource Command defaultCommand = new Command() { @Override public void menuSelected(MenuItem selectedItem) { window.showNotification( "Module Warning", "The Module: " + metadataModule.getId() + "[" + metadataModule.getVersion() + "] is not deploy", Window.Notification.TYPE_WARNING_MESSAGE); } }; resource.getMenu().setCommand(defaultCommand); // reset the bundle component resource resource.setComponentView(null); } } @Override public void viewChanged(ViewEvent viewEvent) { if (viewEvent.getViewFrom() instanceof SecurityAccessView) { SecurityAccessView securityAccessView = (SecurityAccessView) viewEvent.getViewFrom(); try { User loggedUser = userService.getByUsername(securityAccessView.getGrantedUser().getUsername()); loadWorkbenchContext(loggedUser); WorkbenchView workbenchView = (WorkbenchView) viewEvent.getViewTo(); workbenchView.setLoggedUser(loggedUser); menuManager.setUser(loggedUser); menuManager.setContext(workbenchContext); // construct the menu from scratch initMenuManager(loggedUser); } catch (Exception e) { throw new RuntimeException(e); } } if (viewEvent.getViewFrom() instanceof WorkbenchView) { } } private void loadWorkbenchContext(User user) throws Exception { // create locale for employee agent String[] localeParams = user.getDefaultLocale().split(LocaleField.LOCALE_SEPARATOR); String language = localeParams[0]; String country = localeParams[1]; //defaultLocale = new Locale(language, country); Locale defaultLocale = new Locale(language); // initialize active Organization tree user.setActiveOrganization(user.getDefaultOrganization()); user.setActiveLocation(user.getDefaultLocation()); user.setActiveArea(user.getDefaultArea()); user.setActiveLocale(defaultLocale); // set user Locale i18n.setCurrentLocale(defaultLocale); // get all configuratios List<Configuration> configuration = configurationService.getAll(user); workbenchContext = new WorkbenchContext(user, configuration, menuManager, toolbarManager, resourceManager); } @Override public void terminalError(Terminal.ErrorEvent event) { final Throwable t = event.getThrowable(); if (t instanceof SocketException) { // Most likely client browser closed socket logger.info( "SocketException in CommunicationManager." + " Most likely client (browser) closed socket."); return; } // show default error view form ErrorViewForm errorViewForm; if (t.getCause() != null) errorViewForm = new ErrorViewForm(t.getCause().getMessage(), t.getCause().getCause(), getMainWindow()); else errorViewForm = new ErrorViewForm(null, null, getMainWindow()); errorViewForm.show(); // also print the error on console logger.log(Level.SEVERE, "Terminal error:", t); } @Override public void userChangedButtonClick(User user) { // set konekti locale i18n.setCurrentLocale(user.getActiveLocale()); // remove all module tabs from workbech an all panels konektiLayout.removeModules(LOCATION.TOP); konektiLayout.removeModules(LOCATION.CENTER); konektiLayout.removeModules(LOCATION.LEFT); konektiLayout.removeModules(LOCATION.RIGHT); konektiLayout.removeModules(LOCATION.BOTTON); // remove all items konektiLayout.getMenuLayout().removeItems(); // regenerate all items initMenuManager(user); } }