Java tutorial
/******************************************************************************* * Copyright (c) 2015 Development Gateway, Inc and others. * * All rights reserved. This program and the accompanying materials * are made available under the terms of the MIT License (MIT) * which accompanies this distribution, and is available at * https://opensource.org/licenses/MIT * * Contributors: * Development Gateway - initial API and implementation *******************************************************************************/ package org.devgateway.toolkit.forms.wicket; import com.google.javascript.jscomp.CompilationLevel; import de.agilecoders.wicket.core.Bootstrap; import de.agilecoders.wicket.core.markup.html.RenderJavaScriptToFooterHeaderResponseDecorator; import de.agilecoders.wicket.core.request.resource.caching.version.Adler32ResourceVersion; import de.agilecoders.wicket.core.settings.BootstrapSettings; import de.agilecoders.wicket.core.settings.IBootstrapSettings; import de.agilecoders.wicket.extensions.javascript.GoogleClosureJavaScriptCompressor; import de.agilecoders.wicket.extensions.javascript.YuiCssCompressor; import de.agilecoders.wicket.extensions.markup.html.bootstrap.editor.SummernoteConfig; import de.agilecoders.wicket.extensions.markup.html.bootstrap.editor.SummernoteFileStorage; import de.agilecoders.wicket.extensions.markup.html.bootstrap.editor.SummernoteStoredImageResourceReference; import de.agilecoders.wicket.less.BootstrapLess; import de.agilecoders.wicket.webjars.WicketWebjars; import nl.dries.wicket.hibernate.dozer.SessionFinderHolder; import org.apache.wicket.Application; import org.apache.wicket.ConverterLocator; import org.apache.wicket.IConverterLocator; import org.apache.wicket.Page; import org.apache.wicket.authroles.authentication.AuthenticatedWebApplication; import org.apache.wicket.authroles.authentication.AuthenticatedWebSession; import org.apache.wicket.devutils.diskstore.DebugDiskDataStore; import org.apache.wicket.markup.html.IPackageResourceGuard; import org.apache.wicket.markup.html.SecurePackageResourceGuard; import org.apache.wicket.markup.html.WebPage; import org.apache.wicket.request.resource.caching.FilenameWithVersionResourceCachingStrategy; import org.apache.wicket.request.resource.caching.NoOpResourceCachingStrategy; import org.apache.wicket.request.resource.caching.version.CachingResourceVersion; import org.apache.wicket.serialize.java.DeflatedJavaSerializer; import org.apache.wicket.settings.RequestCycleSettings.RenderStrategy; import org.apache.wicket.spring.injection.annot.SpringComponentInjector; import org.apache.wicket.util.file.Folder; import org.devgateway.toolkit.forms.service.SessionFinderService; import org.devgateway.toolkit.forms.wicket.converters.NonNumericFilteredBigDecimalConverter; import org.devgateway.toolkit.forms.wicket.page.Homepage; import org.devgateway.toolkit.forms.wicket.page.user.LoginPage; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.cache.annotation.EnableCaching; import org.springframework.context.ApplicationContext; import org.springframework.context.annotation.ComponentScan; import org.springframework.context.annotation.PropertySource; import org.springframework.scheduling.annotation.EnableScheduling; import org.wicketstuff.annotation.scan.AnnotatedMountScanner; import java.math.BigDecimal; /** * The web application class also serves as spring boot starting point by using * spring boot's EnableAutoConfiguration annotation and providing the main * method. * * @author Stefan Kloe, mpostelnicu * */ @EnableScheduling @SpringBootApplication @ComponentScan("org.devgateway") @PropertySource("classpath:/org/devgateway/toolkit/forms/application.properties") @EnableCaching public class FormsWebApplication extends AuthenticatedWebApplication { public static final String STORAGE_ID = "fileStorage"; private static final String BASE_PACKAGE_FOR_PAGES = "org.devgateway"; @Autowired private ApplicationContext applicationContext; @Autowired private SessionFinderService sessionFinderService; public static void main(final String[] args) { SpringApplication.run(FormsWebApplication.class, args); } /** * @see org.apache.wicket.Application#newConverterLocator() This adds the * {@link NonNumericFilteredBigDecimalConverter} as the standard * {@link BigDecimal} converter for ALL fields using this type accross * the application **/ @Override protected IConverterLocator newConverterLocator() { ConverterLocator locator = (ConverterLocator) super.newConverterLocator(); locator.set(BigDecimal.class, new NonNumericFilteredBigDecimalConverter()); return locator; } private void configureSummernote() { // the folder where to store the images Folder folder = new Folder(System.getProperty("java.io.tmpdir"), "bootstrap-summernote"); folder.mkdirs(); folder.deleteOnExit(); SummernoteConfig.addStorage(new SummernoteFileStorage(STORAGE_ID, folder)); // mount the resource reference responsible for image uploads mountResource(SummernoteStoredImageResourceReference.SUMMERNOTE_MOUNT_PATH, new SummernoteStoredImageResourceReference(STORAGE_ID)); } /** * provides page for default request */ @Override public Class<? extends Page> getHomePage() { return Homepage.class; } public static FormsWebApplication get() { return (FormsWebApplication) Application.get(); } /** * configures wicket-bootstrap and installs the settings. */ private void configureBootstrap() { WicketWebjars.install(this); final IBootstrapSettings settings = new BootstrapSettings(); // specify an empty bootstrap css resource so that we can have more // control when do we load the bootstrap styles. // By default all pages will load bootstrap.css file and there are // situations (like print page) when we don't need this styles. // The boostrap.css file is loaded as dependency in MainCss Instance // settings.setCssResourceReference(EmptyCss.INSTANCE); settings.useCdnResources(true); // use the default bootstrap theme Bootstrap.install(this, settings); BootstrapLess.install(this); } /** * optimize wicket for a better web performance This will be invoked if the * application is started with -Dwicket.configuration=deployment */ private void optimizeForWebPerformance() { // add javascript files at the bottom of the page setHeaderResponseDecorator(new RenderJavaScriptToFooterHeaderResponseDecorator("scripts-bucket")); // This is only enabled for deployment configuration // -Dwicket.configuration=deployment // The default is Development, so this code is not used if (usesDeploymentConfig()) { getResourceSettings().setCachingStrategy(new FilenameWithVersionResourceCachingStrategy("-v-", new CachingResourceVersion(new Adler32ResourceVersion()))); getResourceSettings().setJavaScriptCompressor( new GoogleClosureJavaScriptCompressor(CompilationLevel.SIMPLE_OPTIMIZATIONS)); getResourceSettings().setCssCompressor(new YuiCssCompressor()); getFrameworkSettings().setSerializer(new DeflatedJavaSerializer(getApplicationKey())); getMarkupSettings().setStripComments(true); } else { getResourceSettings().setCachingStrategy(new NoOpResourceCachingStrategy()); } getRequestCycleSettings().setRenderStrategy(RenderStrategy.ONE_PASS_RENDER); } @Override protected Class<? extends AuthenticatedWebSession> getWebSessionClass() { return SSAuthenticatedWebSession.class; } /** * <ul> * <li>making the wicket components injectable by activating the * SpringComponentInjector</li> * <li>mounting the test page</li> * <li>logging spring service method output to showcase working integration * </li> * </ul> */ @Override protected void init() { super.init(); // add allowed woff2 extension IPackageResourceGuard packageResourceGuard = getResourceSettings().getPackageResourceGuard(); if (packageResourceGuard instanceof SecurePackageResourceGuard) { SecurePackageResourceGuard guard = (SecurePackageResourceGuard) packageResourceGuard; guard.addPattern("+*.woff2"); guard.addPattern("+*.xlsx"); } //this ensures that spring DI works for wicket components and pages //see @SpringBean annotation getComponentInstantiationListeners().add(new SpringComponentInjector(this, applicationContext)); //this will scan packages for pages with @MountPath annotations and automatically create URLs for them new AnnotatedMountScanner().scanPackage(BASE_PACKAGE_FOR_PAGES).mount(this); getApplicationSettings().setUploadProgressUpdatesEnabled(true); getApplicationSettings().setAccessDeniedPage(Homepage.class); // deactivate ajax debug mode // getDebugSettings().setAjaxDebugModeEnabled(false); configureBootstrap(); configureSummernote(); optimizeForWebPerformance(); // watch this using the URL // http://.../wicket/internal/debug/diskDataStore if (usesDevelopmentConfig()) { DebugDiskDataStore.register(this); } SessionFinderHolder.setSessionFinder(sessionFinderService); } /* * (non-Javadoc) * * @see * org.apache.wicket.authroles.authentication.AuthenticatedWebApplication# * getSignInPageClass() */ @Override protected Class<? extends WebPage> getSignInPageClass() { return LoginPage.class; } }