001: /**
002: * JOnAS: Java(TM) Open Application Server
003: * Copyright (C) 2005 Bull S.A.
004: * Contact: jonas-team@objectweb.org
005: *
006: * This library is free software; you can redistribute it and/or
007: * modify it under the terms of the GNU Lesser General Public
008: * License as published by the Free Software Foundation; either
009: * version 2.1 of the License, or any later version.
010: *
011: * This library is distributed in the hope that it will be useful,
012: * but WITHOUT ANY WARRANTY; without even the implied warranty of
013: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
014: * Lesser General Public License for more details.
015: *
016: * You should have received a copy of the GNU Lesser General Public
017: * License along with this library; if not, write to the Free Software
018: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
019: * USA
020: *
021: * --------------------------------------------------------------------------
022: * $Id$
023: * --------------------------------------------------------------------------
024: */package org.objectweb.jonas.web.jetty50;
025:
026: import org.mortbay.jetty.servlet.Dispatcher;
027: import org.mortbay.jetty.servlet.FilterHolder;
028: import org.mortbay.jetty.servlet.ServletHolder;
029: import org.mortbay.jetty.servlet.WebApplicationContext;
030: import org.mortbay.jetty.servlet.WebApplicationHandler;
031: import org.mortbay.jetty.servlet.WebApplicationContext.Configuration;
032: import org.mortbay.jetty.servlet.jsr77.Jsr77Filter;
033:
034: import org.apache.commons.logging.Log;
035: import org.apache.commons.logging.LogFactory;
036:
037: /**
038: * Replace the JSR77 Configuration implementation from Jetty 5.0
039: * This class add Filters to the Servlets in order to provide some statistics.
040: *
041: * @author Guillaume Sauthier
042: */
043: public class JSR77Configuration implements Configuration {
044:
045: /**
046: * Filter name prefix
047: */
048: public static final String FILTER_PREFIX = "JSR77Filter-";
049:
050: /**
051: * logger
052: */
053: private static Log log = LogFactory
054: .getLog(JSR77Configuration.class);
055:
056: /**
057: * The monitored WebApplication
058: */
059: private WebApplicationContext webAppContext = null;
060:
061: /**
062: * Defualt Constructor
063: */
064: public JSR77Configuration() {
065: super ();
066: }
067:
068: /**
069: * @param wac the monitored WebApplication
070: */
071: public void setWebApplicationContext(WebApplicationContext wac) {
072: this .webAppContext = wac;
073: }
074:
075: /**
076: * @return the monitored WebApplication
077: */
078: public WebApplicationContext getWebApplicationContext() {
079: return this .webAppContext;
080: }
081:
082: /**
083: * was not implemented in Jetty's Configuration
084: * @throws Exception not documented !
085: */
086: public void configureClassPath() throws Exception {
087: // TODO Auto-generated method stub
088:
089: }
090:
091: /**
092: * was not implemented in Jetty's Configuration
093: * @throws Exception not documented !
094: */
095: public void configureDefaults() throws Exception {
096: // TODO Auto-generated method stub
097:
098: }
099:
100: /**
101: * Add the Statistic Filters for JSR77
102: * @throws Exception not documented !
103: */
104: public void configureWebApp() throws Exception {
105: if (this .webAppContext.isStarted()) {
106: if (log.isDebugEnabled()) {
107: log
108: .debug("Cannot configure webapp after it is started");
109: }
110: return;
111: }
112:
113: // get the context, ask it for all of its servlets, configure a
114: // Jsr77Filter for
115: // each of them as the LAST filter
116: if (this .webAppContext != null) {
117: ServletHolder[] servlets = this .webAppContext
118: .getServletHandler().getServlets();
119: WebApplicationHandler waHandler = this .webAppContext
120: .getWebApplicationHandler();
121:
122: for (int i = 0; servlets != null && i < servlets.length; i++) {
123: String filterName = FILTER_PREFIX
124: + servlets[i].getName();
125: FilterHolder holder = waHandler.defineFilter(
126: filterName, Jsr77Filter.class.getName());
127: waHandler.addFilterServletMapping(
128: servlets[i].getName(), filterName,
129: Dispatcher.__ALL);
130: holder.put("servlet-name", servlets[i].getName());
131: if (log.isDebugEnabled()) {
132: log.debug("Configured JSR77 filter " + filterName);
133: }
134: }
135: }
136:
137: }
138:
139: }
|