+/*
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
+ *
+ * This file is part of Jalview.
+ *
+ * Jalview is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 3
+ * of the License, or (at your option) any later version.
+ *
+ * Jalview is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
package jalview.httpserver;
+import jalview.bin.ApplicationSingletonProvider;
+import jalview.bin.ApplicationSingletonProvider.ApplicationSingletonI;
import jalview.rest.RestHandler;
import java.net.BindException;
* @author gmcarstairs
* @see http://eclipse.org/jetty/documentation/current/embedding-jetty.html
*/
-public class HttpServer
+public class HttpServer implements ApplicationSingletonI
{
/*
* 'context root' - actually just prefixed to the path for each handler for
private static final String JALVIEW_PATH = "jalview";
/*
- * Singleton instance of this server
- */
- private static HttpServer instance;
-
- /*
* The Http server
*/
private Server server;
/*
* Lookup of ContextHandler by its wrapped handler
*/
- Map<Handler, ContextHandler> myHandlers = new HashMap<Handler, ContextHandler>();
+ Map<Handler, ContextHandler> myHandlers = new HashMap<>();
/*
* The context root for the server
{
synchronized (HttpServer.class)
{
- if (instance == null) {
- instance = new HttpServer();
- }
- return instance;
+ return (HttpServer) ApplicationSingletonProvider.getInstance(HttpServer.class);
}
}
/**
- * Private constructor to enforce use of singleton
+ * Private constructor to enforce use of singleton; use getInstance().
*
* @throws BindException
* if no free port can be assigned
*/
private HttpServer() throws BindException
{
+ // use getInstance()
+
startServer();
/*
contextRoot = server.getURI();
} catch (Exception e)
{
- System.err.println("Error trying to start HttpServer: "
- + e.getMessage());
+ System.err.println(
+ "Error trying to start HttpServer: " + e.getMessage());
try
{
server.stop();
ch.setAllowNullPathInfo(true);
ch.setContextPath("/" + JALVIEW_PATH + "/" + path);
ch.setResourceBase(".");
- ch.setClassLoader(Thread.currentThread()
- .getContextClassLoader());
+ ch.setClassLoader(Thread.currentThread().getContextClassLoader());
ch.setHandler(handler);
/*
ch.start();
} catch (Exception e)
{
- System.err.println("Error starting handler for " + path + ": "
- + e.getMessage());
+ System.err.println(
+ "Error starting handler for " + path + ": " + e.getMessage());
}
handler.setUri(this.contextRoot + ch.getContextPath().substring(1));