| /******************************************************************************* |
| * Copyright (c) 2007, 2013 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Florian Pirchner - added to preview bundle |
| *******************************************************************************/ |
| |
| package org.eclipse.osbp.ecview.vaadin.ide.preview.jetty; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.Properties; |
| |
| 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 org.eclipse.equinox.http.servlet.HttpServiceServlet; |
| import org.eclipse.jetty.server.AbstractNetworkConnector; |
| import org.eclipse.jetty.server.Connector; |
| import org.eclipse.jetty.server.Server; |
| import org.eclipse.jetty.server.ServerConnector; |
| import org.eclipse.jetty.server.handler.ContextHandlerCollection; |
| import org.eclipse.jetty.server.session.SessionHandler; |
| import org.eclipse.jetty.servlet.ServletContextHandler; |
| import org.eclipse.jetty.servlet.ServletHolder; |
| import org.osgi.framework.Constants; |
| |
| public class PreviewJettyManager { |
| |
| /** |
| * name="http.port" type="Integer" (default: 0 -- first available port) |
| */ |
| public static final String PROP_HTTP_PORT = "http.port"; //$NON-NLS-1$ |
| |
| /** |
| * name="other.info" type="String" |
| */ |
| public static final String PROP_OTHER_INFO = "other.info"; //$NON-NLS-1$ |
| |
| public static final String PROP_IDEPREVIEW = "idepreview"; |
| public static final String PROP_MOBILEPREVIEW = "mobilepreview"; |
| |
| // private static final int HTTP_PORT = 8099; |
| private static final String CONTEXT_TEMPDIR = "javax.servlet.context.tempdir"; //$NON-NLS-1$ |
| private static final String DIR_PREFIX = "preview"; //$NON-NLS-1$ |
| private static final String INTERNAL_CONTEXT_CLASSLOADER = "org.eclipse.equinox.http.jetty.internal.ContextClassLoader"; //$NON-NLS-1$ |
| |
| private Server server; |
| private File workDir; |
| |
| private int port; |
| |
| public PreviewJettyManager(File workDir) { |
| this.workDir = workDir; |
| } |
| |
| public synchronized void stop() { |
| if (server != null) { |
| try { |
| server.stop(); |
| } catch (Exception e) { |
| // cleaning up |
| e.printStackTrace(); |
| } |
| File contextWorkDir = new File(workDir, DIR_PREFIX); |
| deleteDirectory(contextWorkDir); |
| } |
| } |
| |
| public String getName() { |
| return this.getClass().getName(); |
| } |
| |
| public synchronized void start() { |
| stop(); |
| Server server = new Server(0); |
| |
| Connector httpConnector = createHttpConnector(server); |
| server.addConnector(httpConnector); |
| |
| ContextHandlerCollection handlers = new ContextHandlerCollection(); |
| ServletContextHandler ideContext = createServletContext(PROP_IDEPREVIEW); |
| ServletContextHandler mobileContext = createServletContext(PROP_MOBILEPREVIEW); |
| handlers.addHandler(ideContext); |
| handlers.addHandler(mobileContext); |
| |
| server.setHandler(handlers); |
| try { |
| server.start(); |
| AbstractNetworkConnector connector = (AbstractNetworkConnector) server.getConnectors()[0]; |
| port = connector.getLocalPort(); |
| System.getProperties().setProperty("preview.port", Integer.toString(port)); |
| } catch (Exception e) { |
| throw new RuntimeException(e.getMessage(), e); |
| } |
| this.server = server; |
| } |
| |
| protected ServletContextHandler createServletContext(String contextPath) { |
| ServletHolder holder = new ServletHolder(new InternalHttpServiceServlet()); |
| holder.setInitOrder(0); |
| holder.setInitParameter(Constants.SERVICE_VENDOR, "OSBP.org"); //$NON-NLS-1$ |
| holder.setInitParameter(Constants.SERVICE_DESCRIPTION, "ECView" + contextPath); //$NON-NLS-1$ |
| // holder.setInitParameter(PROP_HTTP_PORT, |
| // Integer.toString(HTTP_PORT)); |
| holder.setInitParameter(PROP_OTHER_INFO, contextPath); |
| ServletContextHandler httpContext = createHttpContext("/" + contextPath); |
| |
| httpContext.addServlet(holder, "/*"); //$NON-NLS-1$ |
| return httpContext; |
| } |
| |
| public synchronized void shutdown() throws Exception { |
| server.stop(); |
| server = null; |
| } |
| |
| private Connector createHttpConnector(Server server) { |
| Connector connector = new ServerConnector(server); |
| return connector; |
| } |
| |
| private Boolean getDefaultNIOEnablement() { |
| Properties systemProperties = System.getProperties(); |
| String javaVendor = systemProperties.getProperty("java.vendor", ""); //$NON-NLS-1$ //$NON-NLS-2$ |
| if (javaVendor.equals("IBM Corporation")) { //$NON-NLS-1$ |
| String javaVersion = systemProperties.getProperty("java.version", ""); //$NON-NLS-1$ //$NON-NLS-2$ |
| if (javaVersion.startsWith("1.4")) //$NON-NLS-1$ |
| return Boolean.FALSE; |
| // Note: no problems currently logged with 1.5 |
| if (javaVersion.equals("1.6.0")) { //$NON-NLS-1$ |
| String jclVersion = systemProperties.getProperty("java.jcl.version", ""); //$NON-NLS-1$ //$NON-NLS-2$ |
| if (jclVersion.startsWith("2007")) //$NON-NLS-1$ |
| return Boolean.FALSE; |
| if (jclVersion.startsWith("2008") && !jclVersion.startsWith("200811") //$NON-NLS-1$ //$NON-NLS-2$ |
| && !jclVersion.startsWith("200812")) //$NON-NLS-1$ |
| return Boolean.FALSE; |
| } |
| } |
| return Boolean.TRUE; |
| } |
| |
| private ServletContextHandler createHttpContext(String contextPath) { |
| ServletContextHandler httpContext = new ServletContextHandler(); |
| // hack in the mime type for xsd until jetty fixes it (bug 393218) |
| httpContext.getMimeTypes().addMimeMapping("xsd", "application/xml"); //$NON-NLS-1$ //$NON-NLS-2$ |
| httpContext.setAttribute(INTERNAL_CONTEXT_CLASSLOADER, Thread.currentThread().getContextClassLoader()); |
| httpContext.setClassLoader(this.getClass().getClassLoader()); |
| httpContext.setContextPath(contextPath); |
| |
| File contextWorkDir = new File(workDir, DIR_PREFIX + contextPath); |
| contextWorkDir.mkdir(); |
| httpContext.setAttribute(CONTEXT_TEMPDIR, contextWorkDir); |
| |
| httpContext.setSessionHandler(new SessionHandler()); |
| |
| return httpContext; |
| } |
| |
| public static class InternalHttpServiceServlet implements Servlet { |
| // private static final long serialVersionUID = 7477982882399972088L; |
| private Servlet httpServiceServlet = new HttpServiceServlet(); |
| private ClassLoader contextLoader; |
| |
| 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); |
| } |
| } |
| |
| public void destroy() { |
| Thread thread = Thread.currentThread(); |
| ClassLoader current = thread.getContextClassLoader(); |
| thread.setContextClassLoader(contextLoader); |
| try { |
| httpServiceServlet.destroy(); |
| } finally { |
| thread.setContextClassLoader(current); |
| } |
| contextLoader = null; |
| } |
| |
| 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); |
| } |
| } |
| |
| public ServletConfig getServletConfig() { |
| return httpServiceServlet.getServletConfig(); |
| } |
| |
| public String getServletInfo() { |
| return httpServiceServlet.getServletInfo(); |
| } |
| } |
| |
| // deleteDirectory is a convenience method to recursively delete a directory |
| private static boolean deleteDirectory(File directory) { |
| if (directory.exists() && directory.isDirectory()) { |
| File[] files = directory.listFiles(); |
| for (int i = 0; i < files.length; i++) { |
| if (files[i].isDirectory()) { |
| deleteDirectory(files[i]); |
| } else { |
| files[i].delete(); |
| } |
| } |
| } |
| return directory.delete(); |
| } |
| } |