X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=osgi%2Fequinox%2Forg.argeo.cms.lib.equinox%2Fsrc%2Forg%2Fargeo%2Fcms%2Fequinox%2Fhttp%2Fjetty%2FEquinoxJettyServer.java;fp=osgi%2Fequinox%2Forg.argeo.cms.lib.equinox%2Fsrc%2Forg%2Fargeo%2Fcms%2Fequinox%2Fhttp%2Fjetty%2FEquinoxJettyServer.java;h=e6595a05e9d8379f9f2a25d46a85fd83dbcb3272;hb=40ae72d5e9f2e15ea2d1ac6bbed7f0f2e312cbdc;hp=0000000000000000000000000000000000000000;hpb=eabc24d98b287d3292cd6e5b678bbbd7d22a0f24;p=lgpl%2Fargeo-commons.git diff --git a/osgi/equinox/org.argeo.cms.lib.equinox/src/org/argeo/cms/equinox/http/jetty/EquinoxJettyServer.java b/osgi/equinox/org.argeo.cms.lib.equinox/src/org/argeo/cms/equinox/http/jetty/EquinoxJettyServer.java new file mode 100644 index 000000000..e6595a05e --- /dev/null +++ b/osgi/equinox/org.argeo.cms.lib.equinox/src/org/argeo/cms/equinox/http/jetty/EquinoxJettyServer.java @@ -0,0 +1,151 @@ +package org.argeo.cms.equinox.http.jetty; + +import java.io.IOException; +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; + +import javax.servlet.Servlet; +import javax.servlet.ServletConfig; +import javax.servlet.ServletContext; +import javax.servlet.ServletException; +import javax.servlet.ServletRequest; +import javax.servlet.ServletResponse; +import javax.servlet.http.HttpSessionEvent; +import javax.servlet.http.HttpSessionIdListener; +import javax.servlet.http.HttpSessionListener; + +import org.argeo.cms.jetty.CmsJettyServer; +import org.eclipse.equinox.http.servlet.HttpServiceServlet; +import org.eclipse.jetty.server.session.SessionHandler; +import org.eclipse.jetty.servlet.ServletContextHandler; +import org.eclipse.jetty.servlet.ServletHolder; +import org.osgi.framework.Constants; + +/** A {@link CmsJettyServer} integrating with Equinox HTTP framework. */ +public class EquinoxJettyServer extends CmsJettyServer { + private static final String INTERNAL_CONTEXT_CLASSLOADER = "org.eclipse.equinox.http.jetty.internal.ContextClassLoader"; + + @Override + protected void addServlets(ServletContextHandler rootContextHandler) throws ServletException { + ServletHolder holder = new ServletHolder(new InternalHttpServiceServlet()); + holder.setInitOrder(0); + holder.setInitParameter(Constants.SERVICE_VENDOR, "Eclipse.org"); //$NON-NLS-1$ + holder.setInitParameter(Constants.SERVICE_DESCRIPTION, "Equinox Jetty-based Http Service"); //$NON-NLS-1$ + + rootContextHandler.addServlet(holder, "/*"); + + // post-start + SessionHandler sessionManager = rootContextHandler.getSessionHandler(); + sessionManager.addEventListener((HttpSessionIdListener) holder.getServlet()); + } + + public static class InternalHttpServiceServlet implements HttpSessionListener, HttpSessionIdListener, Servlet { + private final Servlet httpServiceServlet = new HttpServiceServlet(); + private ClassLoader contextLoader; + private final Method sessionDestroyed; + private final Method sessionIdChanged; + + public InternalHttpServiceServlet() { + Class clazz = httpServiceServlet.getClass(); + + try { + sessionDestroyed = clazz.getMethod("sessionDestroyed", new Class[] { String.class }); //$NON-NLS-1$ + } catch (Exception e) { + throw new IllegalStateException(e); + } + try { + sessionIdChanged = clazz.getMethod("sessionIdChanged", new Class[] { String.class }); //$NON-NLS-1$ + } catch (Exception e) { + throw new IllegalStateException(e); + } + } + + @Override + public void init(ServletConfig config) throws ServletException { + ServletContext context = config.getServletContext(); + contextLoader = (ClassLoader) context.getAttribute(INTERNAL_CONTEXT_CLASSLOADER); + + Thread thread = Thread.currentThread(); + ClassLoader current = thread.getContextClassLoader(); + thread.setContextClassLoader(contextLoader); + try { + httpServiceServlet.init(config); + } finally { + thread.setContextClassLoader(current); + } + } + + @Override + public void destroy() { + Thread thread = Thread.currentThread(); + ClassLoader current = thread.getContextClassLoader(); + thread.setContextClassLoader(contextLoader); + try { + httpServiceServlet.destroy(); + } finally { + thread.setContextClassLoader(current); + } + contextLoader = null; + } + + @Override + public void service(ServletRequest req, ServletResponse res) throws ServletException, IOException { + Thread thread = Thread.currentThread(); + ClassLoader current = thread.getContextClassLoader(); + thread.setContextClassLoader(contextLoader); + try { + httpServiceServlet.service(req, res); + } finally { + thread.setContextClassLoader(current); + } + } + + @Override + public ServletConfig getServletConfig() { + return httpServiceServlet.getServletConfig(); + } + + @Override + public String getServletInfo() { + return httpServiceServlet.getServletInfo(); + } + + @Override + public void sessionCreated(HttpSessionEvent event) { + // Nothing to do. + } + + @Override + public void sessionDestroyed(HttpSessionEvent event) { + Thread thread = Thread.currentThread(); + ClassLoader current = thread.getContextClassLoader(); + thread.setContextClassLoader(contextLoader); + try { + sessionDestroyed.invoke(httpServiceServlet, event.getSession().getId()); + } catch (IllegalAccessException | IllegalArgumentException e) { + // not likely + } catch (InvocationTargetException e) { + throw new RuntimeException(e.getCause()); + } finally { + thread.setContextClassLoader(current); + } + } + + @Override + public void sessionIdChanged(HttpSessionEvent event, String oldSessionId) { + Thread thread = Thread.currentThread(); + ClassLoader current = thread.getContextClassLoader(); + thread.setContextClassLoader(contextLoader); + try { + sessionIdChanged.invoke(httpServiceServlet, oldSessionId); + } catch (IllegalAccessException | IllegalArgumentException e) { + // not likely + } catch (InvocationTargetException e) { + throw new RuntimeException(e.getCause()); + } finally { + thread.setContextClassLoader(current); + } + } + } + +}