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package com.sun.faces.test.javaee7.cdimultitenantsetstccl;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.URL;
import java.net.URLClassLoader;
import javax.faces.FactoryFinder;
import javax.faces.context.FacesContext;
import javax.faces.context.FacesContextFactory;
import javax.faces.lifecycle.LifecycleFactory;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class BeforeFilter implements Filter {
private FilterConfig filterConfig = null;
private static final String INIT_HAS_LIFECYCLE_KEY = "BeforeServlet_hasLifecycle";
private static final String INIT_HAS_INITFACESCONTEXT_KEY = "BeforeServlet_hasInitFacesContext";
private static final String REQUEST_HAS_LIFECYCLE = "BeforeServlet_requestHasLifecycle";
private static final String REQUEST_HAS_FACESCONTEXT = "BeforeServlet_requestHasFacesContext";
public BeforeFilter() {
}
@Override
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain)
throws IOException, ServletException {
Thread thread = Thread.currentThread();
ClassLoader tccl = thread.getContextClassLoader();
ClassLoader tcclp1 = new URLClassLoader(new URL[0], tccl); //new URLClassLoader(new URL [0]);
thread.setContextClassLoader(tcclp1);
HttpServletRequest req = (HttpServletRequest) request;
LifecycleFactory lifecycle = (LifecycleFactory) FactoryFinder.getFactory(FactoryFinder.LIFECYCLE_FACTORY);
req.setAttribute(REQUEST_HAS_LIFECYCLE,
(null != lifecycle) ? "TRUE":"FALSE");
FacesContext facesContext = FacesContext.getCurrentInstance();
req.setAttribute(REQUEST_HAS_FACESCONTEXT,
(null != facesContext) ? "TRUE":"FALSE");
// Dispatching to JSF throws this exception:
/**
*
*
java.lang.IllegalStateException: Singleton not set for java.net.URLClassLoader@511e5bf4
at org.glassfish.weld.ACLSingletonProvider$ACLSingleton.get(ACLSingletonProvider.java:110)
at org.jboss.weld.Container.instance(Container.java:54)
at org.jboss.weld.jsf.ConversationAwareViewHandler.getConversationContext(ConversationAwareViewHandler.java:80)
at org.jboss.weld.jsf.ConversationAwareViewHandler.getActionURL(ConversationAwareViewHandler.java:102)
at com.sun.faces.renderkit.html_basic.FormRenderer.getActionStr(FormRenderer.java:250)
at com.sun.faces.renderkit.html_basic.FormRenderer.encodeBegin(FormRenderer.java:143)
at javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:864)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1854)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1859)
at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:456)
at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:133)
at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:337)
at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:120)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:219)
*
*/
// I think this is a side-effect of Weld also not being resilient
// to TCCL replacement. To continue with the job of exercising
// the fix in FactoryFinder, we just exercise it directly here.
// I confirmed this is fixed in Weld 2.2.2 Final, which is in GlassFish 4.0.1
final boolean weldIsTCCLReplacementResilient = false;
if (weldIsTCCLReplacementResilient) {
try {
chain.doFilter(request, response);
} catch (Exception t) {
throw new ServletException(t);
} finally {
thread.setContextClassLoader(tccl);
}
} else {
FacesContextFactory fcFactory = (FacesContextFactory)
FactoryFinder.getFactory(FactoryFinder.FACES_CONTEXT_FACTORY);
HttpServletResponse resp = (HttpServletResponse) response;
PrintWriter pw = resp.getWriter();
try {
if (null != fcFactory) {
pw.print("<html><body><p id=\"result\">SUCCESS</p></body></html>");
} else {
pw.print("<html><body><p id=\"result\">FAILURE</p></body></html>");
}
resp.setStatus(200);
pw.close();
} catch (Exception e) {
}
}
}
public void destroy() {
}
public void init(FilterConfig filterConfig) {
this.filterConfig = filterConfig;
ServletContext sc = this.filterConfig.getServletContext();
LifecycleFactory lifecycle = (LifecycleFactory) FactoryFinder.getFactory(FactoryFinder.LIFECYCLE_FACTORY);
sc.setAttribute(INIT_HAS_LIFECYCLE_KEY,
(null != lifecycle) ? "TRUE":"FALSE");
FacesContext initFacesContext = FacesContext.getCurrentInstance();
sc.setAttribute(INIT_HAS_INITFACESCONTEXT_KEY,
(null != initFacesContext) ? "TRUE":"FALSE");
}
}