*/
package jalview.httpserver;
-import jalview.rest.RestHandler;
-
import java.net.BindException;
import java.net.URI;
import java.util.Collections;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
+import org.eclipse.jetty.server.Connector;
import org.eclipse.jetty.server.Handler;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.ServerConnector;
import org.eclipse.jetty.server.handler.HandlerCollection;
import org.eclipse.jetty.util.thread.QueuedThreadPool;
+import jalview.rest.RestHandler;
+
/**
* An HttpServer built on Jetty. To use it
* <ul>
*/
private URI contextRoot;
+ /*
+ * The port of the server. This can be set before starting the instance
+ * as a suggested port to use (it is not guaranteed).
+ * The value will be set to the actual port being used after the instance
+ * is started.
+ */
+ private static int PORT = 0;
+
/**
* Returns the singleton instance of this class.
*
try
{
/*
- * Create a server with a small number of threads; jetty will allocate a
- * free port
+ * Create a server with a small number of threads;
+ * If PORT has been set then jetty will try and use this, otherwise
+ * jetty will allocate a free port
*/
QueuedThreadPool tp = new QueuedThreadPool(4, 1); // max, min
server = new Server(tp);
ServerConnector connector = new ServerConnector(server, 0, 2);
// restrict to localhost
connector.setHost("localhost");
+ if (PORT > 0)
+ {
+ connector.setPort(PORT);
+ }
server.addConnector(connector);
/*
contextHandlers = new HandlerCollection(true);
server.setHandler(contextHandlers);
server.start();
+ Connector[] cs = server.getConnectors();
+ if (cs.length > 0)
+ {
+ if (cs[0] instanceof ServerConnector)
+ {
+ ServerConnector c = (ServerConnector) cs[0];
+ PORT = c.getPort();
+ }
+ }
// System.out.println(String.format(
// "HttpServer started with %d threads", server.getThreadPool()
// .getThreads()));
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.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));
+ " handler on " + handler.getUri());
}
}
+
+ /**
+ * Gets the ContextHandler attached to this handler. Useful for obtaining the
+ * full path used to access a given handler.
+ *
+ * @param handler
+ */
+ public ContextHandler getContextHandler(AbstractRequestHandler handler)
+ {
+ return myHandlers.get(handler);
+ }
+
+ /**
+ * This sets the "suggested" port to use. It can only be called once before
+ * starting the HttpServer instance. After the server has actually started the
+ * port is set to the actual port being used and cannot be changed.
+ *
+ * @param port
+ * @return successful change
+ */
+ public static boolean setSuggestedPort(int port)
+ {
+ if (port < 1 || PORT > 0)
+ {
+ return false;
+ }
+ PORT = port;
+ return true;
+ }
+
+ public static int getPort()
+ {
+ return PORT;
+ }
}