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java.lang.Objectjavax.servlet.GenericServlet
javax.servlet.http.HttpServlet
org.mortbay.servlet.CGI
public class CGI
CGI Servlet. The cgi bin directory can be set with the "cgibinResourceBase" init parameter or it will default to the resource base of the context. The "commandPrefix" init parameter may be used to set a prefix to all commands passed to exec. This can be used on systems that need assistance to execute a particular file type. For example on windows this can be set to "perl" so that perl scripts are executed. The "Path" init param is passed to the exec environment as PATH. Note: Must be run unpacked somewhere in the filesystem. Any initParameter that starts with ENV_ is used to set an environment variable with the name stripped of the leading ENV_ and using the init parameter value.
Constructor Summary | |
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CGI()
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Method Summary | |
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void |
init()
A convenience method which can be overridden so that there's no need to call super.init(config) . |
void |
service(HttpServletRequest req,
HttpServletResponse res)
Receives standard HTTP requests from the public service method and dispatches
them to the do XXX methods defined in
this class. |
Methods inherited from class javax.servlet.http.HttpServlet |
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doDelete, doGet, doHead, doOptions, doPost, doPut, doTrace, getLastModified, service |
Methods inherited from class javax.servlet.GenericServlet |
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destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, log, log |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public CGI()
Method Detail |
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public void init() throws ServletException
GenericServlet
super.init(config)
.
Instead of overriding GenericServlet.init(ServletConfig)
, simply override
this method and it will be called by
GenericServlet.init(ServletConfig config)
.
The ServletConfig
object can still be retrieved via GenericServlet.getServletConfig()
.
init
in class GenericServlet
ServletException
- if an exception occurs that
interrupts the servlet's
normal operationpublic void service(HttpServletRequest req, HttpServletResponse res) throws ServletException, java.io.IOException
HttpServlet
service
method and dispatches
them to the do
XXX methods defined in
this class. This method is an HTTP-specific version of the
Servlet.service(javax.servlet.ServletRequest, javax.servlet.ServletResponse)
method. There's no
need to override this method.
service
in class HttpServlet
req
- the HttpServletRequest
object that
contains the request the client made of
the servletres
- the HttpServletResponse
object that
contains the response the servlet returns
to the client
ServletException
- if the HTTP request
cannot be handled
java.io.IOException
- if an input or output error occurs
while the servlet is handling the
HTTP requestServlet.service(javax.servlet.ServletRequest, javax.servlet.ServletResponse)
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