php.java.servlet
Class CGIServlet.CGIRunner

java.lang.Object
  php.java.servlet.CGIServlet.CGIRunner

Direct Known Subclasses:

FastCGIServlet.CGIRunner, PhpCGIServlet.CGIRunner

Enclosing class:

CGIServlet

protected abstract class CGIServlet.CGIRunner
extends java.lang.Object

Encapsulates the knowledge of how to run a CGI script, given the script's desired environment and (optionally) input/output streams

Exposes a run method used to actually invoke the CGI.

The CGI environment and settings are derived from the information passed to the constuctor.

The input and output streams can be set by the setInput and setResponse methods, respectively.

Author:

Martin Dengler [root@martindengler.com]

Field Summary

protected java.util.HashMap	env environment used when invoking the cgi script
protected javax.servlet.http.HttpServletResponse	response response object used to set headers & get output stream
protected java.io.InputStream	stdin stdin to be passed to cgi script
protected java.io.File	wd working directory used when invoking the cgi script

Constructor Summary

protected

CGIServlet.CGIRunner(CGIServlet.CGIEnvironment env)

Method Summary

protected void	addHeader(java.lang.String line)
protected abstract void	execute()
protected void	setInput(java.io.InputStream stdin) Sets standard input to be passed on to the invoked cgi script
protected void	setResponse(javax.servlet.http.HttpServletResponse response) Sets HttpServletResponse object used to set headers and send output to

Methods inherited from class java.lang.Object

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

Field Detail

env

protected java.util.HashMap env

environment used when invoking the cgi script

wd

protected java.io.File wd

working directory used when invoking the cgi script

stdin

protected java.io.InputStream stdin

stdin to be passed to cgi script

response

protected javax.servlet.http.HttpServletResponse response

response object used to set headers & get output stream

Constructor Detail

CGIServlet.CGIRunner

protected CGIServlet.CGIRunner(CGIServlet.CGIEnvironment env)

Method Detail

execute

protected abstract void execute()
                         throws java.io.IOException,
                                javax.servlet.ServletException,
                                java.lang.InterruptedException

Throws:

java.io.IOException

javax.servlet.ServletException

java.lang.InterruptedException

setResponse

protected void setResponse(javax.servlet.http.HttpServletResponse response)

Sets HttpServletResponse object used to set headers and send output to

Parameters:

response - HttpServletResponse to be used

setInput

protected void setInput(java.io.InputStream stdin)

Sets standard input to be passed on to the invoked cgi script

Parameters:

stdin - InputStream to be used

addHeader

protected void addHeader(java.lang.String line)