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java web web.xml
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https://tomcat.apache.org/tomcat-7.0-doc/appdev/web.xml.txt | |
<?xml version="1.0" encoding="ISO-8859-1"?> | |
<!-- | |
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. | |
--> | |
<!DOCTYPE web-app | |
PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" | |
"http://java.sun.com/dtd/web-app_2_3.dtd"> | |
<web-app> | |
<!-- General description of your web application --> | |
<display-name>My Web Application</display-name> | |
<description> | |
This is version X.X of an application to perform | |
a wild and wonderful task, based on servlets and | |
JSP pages. It was written by Dave Developer | |
(dave@mycompany.com), who should be contacted for | |
more information. | |
</description> | |
<!-- Context initialization parameters that define shared | |
String constants used within your application, which | |
can be customized by the system administrator who is | |
installing your application. The values actually | |
assigned to these parameters can be retrieved in a | |
servlet or JSP page by calling: | |
String value = | |
getServletContext().getInitParameter("name"); | |
where "name" matches the <param-name> element of | |
one of these initialization parameters. | |
You can define any number of context initialization | |
parameters, including zero. | |
--> | |
<context-param> | |
<param-name>webmaster</param-name> | |
<param-value>myaddress@mycompany.com</param-value> | |
<description> | |
The EMAIL address of the administrator to whom questions | |
and comments about this application should be addressed. | |
</description> | |
</context-param> | |
<!-- Servlet definitions for the servlets that make up | |
your web application, including initialization | |
parameters. With Tomcat, you can also send requests | |
to servlets not listed here with a request like this: | |
http://localhost:8080/{context-path}/servlet/{classname} | |
but this usage is not guaranteed to be portable. It also | |
makes relative references to images and other resources | |
required by your servlet more complicated, so defining | |
all of your servlets (and defining a mapping to them with | |
a servlet-mapping element) is recommended. | |
Servlet initialization parameters can be retrieved in a | |
servlet or JSP page by calling: | |
String value = | |
getServletConfig().getInitParameter("name"); | |
where "name" matches the <param-name> element of | |
one of these initialization parameters. | |
You can define any number of servlets, including zero. | |
--> | |
<servlet> | |
<servlet-name>controller</servlet-name> | |
<description> | |
This servlet plays the "controller" role in the MVC architecture | |
used in this application. It is generally mapped to the ".do" | |
filename extension with a servlet-mapping element, and all form | |
submits in the app will be submitted to a request URI like | |
"saveCustomer.do", which will therefore be mapped to this servlet. | |
The initialization parameter names for this servlet are the | |
"servlet path" that will be received by this servlet (after the | |
filename extension is removed). The corresponding value is the | |
name of the action class that will be used to process this request. | |
</description> | |
<servlet-class>com.mycompany.mypackage.ControllerServlet</servlet-class> | |
<init-param> | |
<param-name>listOrders</param-name> | |
<param-value>com.mycompany.myactions.ListOrdersAction</param-value> | |
</init-param> | |
<init-param> | |
<param-name>saveCustomer</param-name> | |
<param-value>com.mycompany.myactions.SaveCustomerAction</param-value> | |
</init-param> | |
<!-- Load this servlet at server startup time --> | |
<load-on-startup>5</load-on-startup> | |
</servlet> | |
<servlet> | |
<servlet-name>graph</servlet-name> | |
<description> | |
This servlet produces GIF images that are dynamically generated | |
graphs, based on the input parameters included on the request. | |
It is generally mapped to a specific request URI like "/graph". | |
</description> | |
</servlet> | |
<!-- Define mappings that are used by the servlet container to | |
translate a particular request URI (context-relative) to a | |
particular servlet. The examples below correspond to the | |
servlet descriptions above. Thus, a request URI like: | |
http://localhost:8080/{contextpath}/graph | |
will be mapped to the "graph" servlet, while a request like: | |
http://localhost:8080/{contextpath}/saveCustomer.do | |
will be mapped to the "controller" servlet. | |
You may define any number of servlet mappings, including zero. | |
It is also legal to define more than one mapping for the same | |
servlet, if you wish to. | |
--> | |
<servlet-mapping> | |
<servlet-name>controller</servlet-name> | |
<url-pattern>*.do</url-pattern> | |
</servlet-mapping> | |
<servlet-mapping> | |
<servlet-name>graph</servlet-name> | |
<url-pattern>/graph</url-pattern> | |
</servlet-mapping> | |
<!-- Define the default session timeout for your application, | |
in minutes. From a servlet or JSP page, you can modify | |
the timeout for a particular session dynamically by using | |
HttpSession.getMaxInactiveInterval(). --> | |
<session-config> | |
<session-timeout>30</session-timeout> <!-- 30 minutes --> | |
</session-config> | |
</web-app> |
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