1 files changed, 110 insertions, 0 deletions
diff --git a/org.eclipse.help.base/src/org/eclipse/help/internal/server/WebappManager.java b/org.eclipse.help.base/src/org/eclipse/help/internal/server/WebappManager.java
new file mode 100644
index 000000000..706ebea23
--- /dev/null
+++ b/org.eclipse.help.base/src/org/eclipse/help/internal/server/WebappManager.java
@@ -0,0 +1,110 @@
+/*******************************************************************************
+ * Copyright (c) 2007 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
+ *******************************************************************************/
+package org.eclipse.help.internal.server;
+
+import java.util.Dictionary;
+import java.util.Hashtable;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.Platform;
+import org.eclipse.equinox.http.jetty.JettyConfigurator;
+import org.eclipse.help.internal.base.HelpBasePlugin;
+import org.osgi.framework.Bundle;
+import org.osgi.framework.BundleException;
+
+public class WebappManager {
+
+	private static String host;
+	private static int port = -1;
+	
+	public static void start(String webappName) throws CoreException {
+		Dictionary d = new Hashtable();
+		
+		// configure the port
+		d.put("http.port", new Integer(getPort())); //$NON-NLS-1$
+
+		// set the base URL
+		d.put("context.path", "/help"); //$NON-NLS-1$ //$NON-NLS-2$
+		
+		// prevent Jetty from also starting on port 80
+		System.setProperty("org.eclipse.equinox.http.jetty.autostart", "false"); //$NON-NLS-1$ //$NON-NLS-2$
+		
+		// suppress Jetty INFO/DEBUG messages to stderr
+		Logger.getLogger("org.mortbay").setLevel(Level.WARNING); //$NON-NLS-1$
+		
+		try {
+			JettyConfigurator.startServer(webappName, d);
+			ensureBundleStarted("org.eclipse.equinox.http.registry"); //$NON-NLS-1$
+		}
+		catch (Exception e) {
+			HelpBasePlugin.logError("An error occured while starting the help server", e); //$NON-NLS-1$
+		}
+	}
+
+	public static void stop(String webappName) throws CoreException {
+		try {
+			JettyConfigurator.stopServer(webappName);
+		}
+		catch (Exception e) {
+			HelpBasePlugin.logError("An error occured while stopping the help server", e); //$NON-NLS-1$
+		}
+	}
+
+	public static int getPort() {
+		if (port == -1) {
+			String portCommandLineOverride = System.getProperty("server_port"); //$NON-NLS-1$
+			if (portCommandLineOverride != null && portCommandLineOverride.trim().length() > 0) {
+				try {
+					port = Integer.parseInt(portCommandLineOverride);
+				}
+				catch (NumberFormatException e) {
+					String msg = "Help server port specified in VM arguments is invalid (" + portCommandLineOverride + ")"; //$NON-NLS-1$ //$NON-NLS-2$
+					HelpBasePlugin.logError(msg, e);
+				}
+			}
+			if (port == -1) {
+				port = SocketUtil.findUnusedLocalPort();
+			}
+		}
+		return port;
+	}
+
+	public static String getHost() {
+		if (host == null) {
+			String hostCommandLineOverride = System.getProperty("server_host"); //$NON-NLS-1$
+			if (hostCommandLineOverride != null && hostCommandLineOverride.trim().length() > 0) {
+				host = hostCommandLineOverride;
+			}
+			else {
+				host = "127.0.0.1"; //$NON-NLS-1$
+			}
+		}
+		return host;
+	}
+	
+	private WebappManager() {
+	}
+	
+	/*
+	 * Ensures that the bundle with the specified name and the highest available
+	 * version is started.
+	 */
+	private static void ensureBundleStarted(String symbolicName) throws BundleException {
+		Bundle bundle = Platform.getBundle(symbolicName);
+		if (bundle != null) {
+			if (bundle.getState() == Bundle.RESOLVED) {
+				bundle.start();
+			}
+		}
+	}
+}