diff options
author | fmoga <fmoga@13f79535-47bb-0310-9956-ffa450edef68> | 2011-02-12 09:19:33 +0000 |
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committer | fmoga <fmoga@13f79535-47bb-0310-9956-ffa450edef68> | 2011-02-12 09:19:33 +0000 |
commit | f0527e13c01fe1fecbd195a70192b6caa9e5f7d0 (patch) | |
tree | 6a5859781e4f7ab190ce781d60744df738b37349 /sca-java-2.x/tags/2.0-Beta2-RC3/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServletFilter.java | |
parent | 4f62b1f3e877a6ca26cfdd1670a550bc6a77477f (diff) |
Create the 2.0-Beta2-RC3 tag.
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1070049 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sca-java-2.x/tags/2.0-Beta2-RC3/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServletFilter.java')
-rw-r--r-- | sca-java-2.x/tags/2.0-Beta2-RC3/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServletFilter.java | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta2-RC3/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServletFilter.java b/sca-java-2.x/tags/2.0-Beta2-RC3/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServletFilter.java new file mode 100644 index 0000000000..a12466a9fd --- /dev/null +++ b/sca-java-2.x/tags/2.0-Beta2-RC3/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServletFilter.java @@ -0,0 +1,109 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.host.webapp; + +import java.io.IOException; +import java.util.Enumeration; +import java.util.logging.Level; +import java.util.logging.Logger; + +import javax.servlet.Filter; +import javax.servlet.FilterConfig; +import javax.servlet.RequestDispatcher; +import javax.servlet.ServletContext; +import javax.servlet.ServletException; +import javax.servlet.ServletRequest; +import javax.servlet.ServletResponse; +import javax.servlet.http.HttpServletRequest; + +import org.apache.tuscany.sca.host.http.ServletHost; + +/** + * A Servlet filter that forwards service requests to the Servlets registered with + * the Tuscany ServletHost. + * + * @version $Rev$ $Date$ + */ +public class TuscanyServletFilter implements Filter { + private static final long serialVersionUID = 1L; + private Logger logger = Logger.getLogger(TuscanyServletFilter.class.getName()); + + private transient ServletContext context; + private transient ServletHost servletHost; + + public TuscanyServletFilter() { + super(); + } + + public void init(final FilterConfig config) throws ServletException { + try { + context = config.getServletContext(); + for (Enumeration<String> e = config.getInitParameterNames(); e.hasMoreElements();) { + String name = e.nextElement(); + String value = config.getInitParameter(name); + context.setAttribute(name, value); + } + servletHost = WebAppHelper.init(context); + } catch (Throwable e) { + logger.log(Level.SEVERE, e.getMessage(), e); + context.log(e.getMessage(), e); + throw new ServletException(e); + } + } + + public void destroy() { + WebAppHelper.stop(context); + servletHost = null; + } + + public void doFilter(ServletRequest request, ServletResponse response, javax.servlet.FilterChain chain) + throws IOException, ServletException { + try { + // Get the Servlet path + HttpServletRequest httpRequest = (HttpServletRequest)request; + String path = httpRequest.getPathInfo(); + if (path == null) { + path = httpRequest.getServletPath(); + } + if (path == null) { + path = "/"; + } + + // Get a request dispatcher for the Servlet mapped to that path + RequestDispatcher dispatcher = servletHost.getRequestDispatcher(path); + if (dispatcher != null) { + + // Let the dispatcher forward the request to the Servlet + dispatcher.forward(request, response); + + } else { + + // Proceed down the filter chain + chain.doFilter(request, response); + + } + } catch (Throwable e) { + logger.log(Level.SEVERE, e.getMessage(), e); + context.log(e.getMessage(), e); + throw new ServletException(e); + } + } + +} |