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/*******************************************************************************
* 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();
}
}
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