package org.appfuse.webapp;
import com.google.common.collect.Sets;
import de.agilecoders.wicket.core.Bootstrap;
import de.agilecoders.wicket.core.settings.BootstrapSettings;
import de.agilecoders.wicket.webjars.collectors.AssetPathCollector;
import de.agilecoders.wicket.webjars.collectors.VfsJarAssetPathCollector;
import de.agilecoders.wicket.webjars.WicketWebjars;
import de.agilecoders.wicket.webjars.settings.WebjarsSettings;
import javassist.CannotCompileException;
import javassist.ClassPool;
import javassist.CtClass;
import org.apache.wicket.authroles.authentication.AuthenticatedWebApplication;
import org.apache.wicket.authroles.authentication.AuthenticatedWebSession;
import org.apache.wicket.markup.html.WebPage;
import org.apache.wicket.resource.loader.ClassStringResourceLoader;
import org.apache.wicket.settings.IRequestCycleSettings;
import org.appfuse.webapp.pages.Home;
import org.appfuse.webapp.pages.Login;
import org.apache.wicket.Page;
import org.apache.wicket.spring.injection.annot.SpringComponentInjector;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;
import org.wicketstuff.annotation.scan.AnnotatedMountScanner;
import java.util.Set;
/**
* AppFuse Wicket Frontend Application class.
*
* @author Marcin Zajączkowski, 2010-09-02
*/
public class AppFuseWicketApplication extends AuthenticatedWebApplication {
private static final String BASE_PACKAGE_FOR_PAGES = "org.appfuse.webapp.pages";
public static final String APP_FUSE_RESOURCE_FILE_NAME = "ApplicationResources";
protected final Logger log = LoggerFactory.getLogger(getClass());
@Override
protected void init() {
super.init();
registerSpringComponentInjector();
initPageMounting();
setOnePassRenderStrategy();
registerAppFuseSpecificStringResourceLoader();
initBootstrap();
initWebjars();
}
private void initWebjars() {
// install 2 default collector instances (FileAssetPathCollector(WEBJARS_PATH_PREFIX), JarAssetPathCollector)
// and a webjars resource finder.
WebjarsSettings settings = new WebjarsSettings();
// register vfs collector to use webjars on jboss (you don't need to add maven dependency)
Set<AssetPathCollector> collectors = Sets.newHashSet(settings.assetPathCollectors());
collectors.add(new VfsJarAssetPathCollector());
settings.assetPathCollectors(collectors.toArray(new AssetPathCollector[collectors.size()]));
WicketWebjars.install(this, settings);
}
private void registerSpringComponentInjector() {
getComponentInstantiationListeners().add(new SpringComponentInjector(this, getContext(), true));
}
private void initPageMounting() {
//Hint from:
//http://blog.xebia.com/2008/10/09/readable-url%E2%80%99s-in-wicket-an-introduction-to-wicketstuff-annotation/
new AnnotatedMountScanner().scanPackage(BASE_PACKAGE_FOR_PAGES).mount(this);
}
/**
* Redirects after post causes page to be shrunk (probably) due to SiteMesh bug:
* http://jira.opensymphony.com/browse/SIM-217
*/
private void setOnePassRenderStrategy() {
getRequestCycleSettings().setRenderStrategy(IRequestCycleSettings.RenderStrategy.ONE_PASS_RENDER);
}
//TODO: MZA: Move to a separate class
/**
* Registers AppFuse specific IStringResourceLoader at the end to use ApplicationResources.properties
* for unhandled keys.
*/
private void registerAppFuseSpecificStringResourceLoader() {
Class applicationResourcesClass = getOrCreateArtificialApplicationResourcesClass();
getResourceSettings().getStringResourceLoaders().add(new ClassStringResourceLoader(applicationResourcesClass));
}
private Class<?> getOrCreateArtificialApplicationResourcesClass() {
try {
return Class.forName(APP_FUSE_RESOURCE_FILE_NAME);
} catch (ClassNotFoundException e) {
return createArtificialApplicationResourcesClass();
}
}
private Class<?> createArtificialApplicationResourcesClass() {
try {
ClassPool classPool = ClassPool.getDefault();
CtClass applicationResourcesCtClass = classPool.makeClass(APP_FUSE_RESOURCE_FILE_NAME);
return applicationResourcesCtClass.toClass();
} catch (CannotCompileException e) {
throw new RuntimeException("Unable to instantiate Wicket application", e);
}
}
private void initBootstrap() {
BootstrapSettings settings = new BootstrapSettings();
Bootstrap.install(this, settings);
}
@Override
public Class<? extends Page> getHomePage() {
return Home.class;
}
@Override
protected Class<? extends AuthenticatedWebSession> getWebSessionClass() {
return SSAuthenticatedWebSession.class;
}
@Override
protected Class<? extends WebPage> getSignInPageClass() {
return Login.class;
}
protected ApplicationContext getContext() {
return WebApplicationContextUtils.getRequiredWebApplicationContext(getServletContext());
}
}