54 lines
1.5 KiB
Java
54 lines
1.5 KiB
Java
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Using path information
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package com.ack.web.servlet;
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import java.io.IOException;
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import java.io.PrintWriter;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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/**
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* For the web application, named 'ack' this servlet
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* outputted the following when run on our machines
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* with the URL:
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*
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* http://localhost:8080/ack/servlet/
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* com.ack.web.servlet.UsingPathInformation/images/hey.gif
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*
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* URL Path: /images/hey.gif
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* Physical Path: E:\servlets\ack\images\hey.gif
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* Resource Path: E:\servlets\ack\index.jsp
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* Web Application Path: /ack
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*
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*/
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public class UsingPathInformation extends HttpServlet {
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public void doGet( HttpServletRequest req, HttpServletResponse res )
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throws ServletException, IOException {
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res.setContentType( "text/html" );
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PrintWriter pw = res.getWriter();
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// work with extra path information
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if( req.getPathInfo() != null ) {
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pw.println( "<br>URL Path: " + req.getPathInfo() );
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pw.println( "<br>Physical Path: " + req.getPathTranslated() );
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}
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else {
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pw.println( "<br>No extra path information" );
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}
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// get physical path of something without extra path information
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pw.println( "<br>Resource Path: " +
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getServletContext().getRealPath( "/index.jsp" ) );
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// get the URL path of the current web application
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pw.println( "<br>Web Application Path: " + req.getContextPath() );
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}
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}
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