Class SSIServlet

java.lang.Object

jakarta.servlet.GenericServlet

jakarta.servlet.http.HttpServlet

org.apache.catalina.ssi.SSIServlet

All Implemented Interfaces:

Servlet, ServletConfig, Serializable

public class SSIServlet
extends HttpServlet

Servlet to process SSI requests within a webpage. Mapped to a path from within web.xml.

Author:

Bip Thelin, Amy Roh, Dan Sandberg, David Becker

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected boolean	allowExec	Allow exec (normally blocked for security)
protected boolean	buffered	Should the output be buffered.
protected int	debug	Debug level for this servlet.
protected Long	expires	Expiration time in seconds for the doc.
protected String	inputEncoding	Input encoding.
protected boolean	isVirtualWebappRelative	virtual path can be webapp-relative
protected String	outputEncoding	Output encoding.

Fields inherited from class jakarta.servlet.http.HttpServlet

LEGACY_DO_HEAD

Constructor Summary

Constructors

Constructor	Description
SSIServlet()

Method Summary

Modifier and Type	Method	Description
void	doGet(HttpServletRequest req, HttpServletResponse res)	Process and forward the GET request to our requestHandler().
void	doPost(HttpServletRequest req, HttpServletResponse res)	Process and forward the POST request to our requestHandler().
void	init()	A convenience method which can be overridden so that there's no need to call super.init(config).
protected void	processSSI(HttpServletRequest req, HttpServletResponse res, URL resource)
protected void	requestHandler(HttpServletRequest req, HttpServletResponse res)	Process our request and locate right SSI command.

Methods inherited from class jakarta.servlet.http.HttpServlet

doDelete, doHead, doOptions, doPut, doTrace, getLastModified, init, service, service

Methods inherited from class jakarta.servlet.GenericServlet

destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, log, log

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

debug

protected int debug

Debug level for this servlet.

buffered

protected boolean buffered

Should the output be buffered.

expires

protected Long expires

Expiration time in seconds for the doc.

isVirtualWebappRelative

protected boolean isVirtualWebappRelative

virtual path can be webapp-relative

inputEncoding

protected String inputEncoding

Input encoding. If not specified, uses platform default

outputEncoding

protected String outputEncoding

Output encoding. If not specified, uses platform default

allowExec

protected boolean allowExec

Allow exec (normally blocked for security)

Constructor Details

SSIServlet

public SSIServlet()

Method Details

init

public void init()
          throws ServletException

Description copied from class: jakarta.servlet.GenericServlet

A convenience method which can be overridden so that there's no need to call 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().

Overrides:

init in class GenericServlet

Throws:

ServletException - if an exception occurs that interrupts the servlet's normal operation

doGet

public void doGet(HttpServletRequest req,
 HttpServletResponse res)
           throws IOException,
ServletException

Process and forward the GET request to our requestHandler().

Overrides:

doGet in class HttpServlet

Parameters:

req - a value of type 'HttpServletRequest'

res - a value of type 'HttpServletResponse'

Throws:

IOException - if an error occurs

ServletException - if an error occurs

See Also:

• ServletResponse.setContentType(java.lang.String)

doPost

public void doPost(HttpServletRequest req,
 HttpServletResponse res)
            throws IOException,
ServletException

Process and forward the POST request to our requestHandler().

Overrides:

doPost in class HttpServlet

Parameters:

req - a value of type 'HttpServletRequest'

res - a value of type 'HttpServletResponse'

Throws:

IOException - if an error occurs

ServletException - if an error occurs

See Also:

• ServletOutputStream
• ServletResponse.setContentType(java.lang.String)

requestHandler

protected void requestHandler(HttpServletRequest req,
 HttpServletResponse res)
                       throws IOException

Process our request and locate right SSI command.

Parameters:

req - a value of type 'HttpServletRequest'

res - a value of type 'HttpServletResponse'

Throws:

IOException - an IO error occurred

processSSI

protected void processSSI(HttpServletRequest req,
 HttpServletResponse res,
 URL resource)
                   throws IOException

Throws:

IOException