Revision: 1783
http://archive-access.svn.sourceforge.net/archive-access/?rev=1783&view=rev
Author: bradtofel
Date: 2007-07-16 16:05:24 -0700 (Mon, 16 Jul 2007)
Log Message:
-----------
REFACTOR: initial rev of core servlet Filter object which handles all requests to a ServletContext running one or more WaybackContexts.
Added Paths:
-----------
trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/webapp/RequestFilter.java
Added: trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/webapp/RequestFilter.java
===================================================================
--- trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/webapp/RequestFilter.java (rev 0)
+++ trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/webapp/RequestFilter.java 2007-07-16 23:05:24 UTC (rev 1783)
@@ -0,0 +1,108 @@
+/* RequestHandler
+ *
+ * $Id$
+ *
+ * Created on 4:24:06 PM Apr 20, 2007.
+ *
+ * Copyright (C) 2007 Internet Archive.
+ *
+ * This file is part of wayback-webapp.
+ *
+ * wayback-webapp is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * any later version.
+ *
+ * wayback-webapp 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 Lesser Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser Public License
+ * along with wayback-webapp; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+package org.archive.wayback.webapp;
+
+import java.io.IOException;
+import java.util.logging.Logger;
+
+import javax.servlet.Filter;
+import javax.servlet.FilterChain;
+import javax.servlet.FilterConfig;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.archive.wayback.exception.ConfigurationException;
+
+//import org.archive.wayback.core.WaybackRequest;
+//import org.archive.wayback.exception.BadQueryException;
+//import org.archive.wayback.exception.ConfigurationException;
+
+/**
+ *
+ *
+ * @author brad
+ * @version $Date$, $Revision$
+ */
+public class RequestFilter implements Filter {
+ private static final Logger LOGGER = Logger.getLogger(RequestFilter.class
+ .getName());
+ private RequestMapper mapper = null;
+
+ /* (non-Javadoc)
+ * @see javax.servlet.Filter#init(javax.servlet.FilterConfig)
+ */
+ public void init(FilterConfig config) throws ServletException {
+
+ LOGGER.info("Wayback Filter initializing...");
+ try {
+ mapper = new RequestMapper(config.getServletContext());
+ } catch (ConfigurationException e) {
+ throw new ServletException(e.getMessage());
+ }
+ LOGGER.info("Wayback Filter initialization complete.");
+ }
+
+ /* (non-Javadoc)
+ * @see javax.servlet.Filter#destroy()
+ */
+ public void destroy() {
+ LOGGER.info("Wayback Filter de-initialization starting...");
+ mapper.destroy();
+ LOGGER.info("Wayback Filter de-initialization complete.");
+ }
+
+ /* (non-Javadoc)
+ * @see javax.servlet.Filter#doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain)
+ */
+ public void doFilter(ServletRequest request, ServletResponse response,
+ FilterChain chain) throws IOException, ServletException {
+ boolean handled = false;
+
+ if(request instanceof HttpServletRequest) {
+ if(response instanceof HttpServletResponse) {
+ handled = handle((HttpServletRequest) request,
+ (HttpServletResponse) response);
+ }
+ }
+ if(!handled) {
+ chain.doFilter(request,response);
+ }
+ }
+
+ protected boolean handle(HttpServletRequest httpRequest,
+ HttpServletResponse httpResponse)
+ throws IOException, ServletException {
+
+ boolean handled = false;
+ WaybackContext context = mapper.mapContext(httpRequest);
+ if(context != null) {
+ handled = context.handleRequest(httpRequest,httpResponse);
+ }
+ return handled;
+ }
+}
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