cvs commit: jakarta-tomcat-4.0/webapps/tomcat-docs/appdev/sample/src/mypackage Hello.java

[cr...@apache.org]

craigmcc    01/07/29 15:24:12

  Added:       webapps/tomcat-docs/appdev/sample/src/mypackage Hello.java
  Log:
  Add the forgotten sample source file to the new version of the App Dev
  Guide.
  
  Revision  Changes    Path
  1.1                  jakarta-tomcat-4.0/webapps/tomcat-docs/appdev/sample/src/mypackage/Hello.java
  
  Index: Hello.java
  ===================================================================
  /*
   * ====================================================================
   *
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 1999 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution, if
   *    any, must include the following acknowlegement:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowlegement may appear in the software itself,
   *    if and wherever such third-party acknowlegements normally appear.
   *
   * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived
   *    from this software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache"
   *    nor may "Apache" appear in their names without prior written
   *    permission of the Apache Group.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   * [Additional notices, if required by prior licensing conditions]
   *
   */
  
  package mypackage;
  
  import java.io.IOException;
  import java.io.PrintWriter;
  import java.util.Enumeration;
  import javax.servlet.ServletException;
  import javax.servlet.http.HttpServlet;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  
  /**
   * Simple servlet to validate that the Hello, World example can
   * execute servlets.  In the web application deployment descriptor,
   * this servlet must be mapped to correspond to the link in the
   * "index.html" file.
   *
   * @author Craig R. McClanahan <Cr...@eng.sun.com>
   */
  
  public final class Hello extends HttpServlet {
  
  
      /**
       * Respond to a GET request for the content produced by
       * this servlet.
       *
       * @param request The servlet request we are processing
       * @param response The servlet response we are producing
       *
       * @exception IOException if an input/output error occurs
       * @exception ServletException if a servlet error occurs
       */
      public void doGet(HttpServletRequest request,
                        HttpServletResponse response)
        throws IOException, ServletException {
  
  	response.setContentType("text/html");
  	PrintWriter writer = response.getWriter();
  
  	writer.println("<html>");
  	writer.println("<head>");
  	writer.println("<title>Sample Application Servlet Page</title>");
  	writer.println("</head>");
  	writer.println("<body bgcolor=white>");
  
  	writer.println("<table border=\"0\">");
  	writer.println("<tr>");
  	writer.println("<td>");
  	writer.println("<img src=\"images/tomcat.gif\">");
  	writer.println("</td>");
  	writer.println("<td>");
  	writer.println("<h1>Sample Application Servlet</h1>");
  	writer.println("This is the output of a servlet that is part of");
  	writer.println("the Hello, World application.  It displays the");
  	writer.println("request headers from the request we are currently");
  	writer.println("processing.");
  	writer.println("</td>");
  	writer.println("</tr>");
  	writer.println("</table>");
  
  	writer.println("<table border=\"0\" width=\"100%\">");
  	Enumeration names = request.getHeaderNames();
  	while (names.hasMoreElements()) {
  	    String name = (String) names.nextElement();
  	    writer.println("<tr>");
  	    writer.println("  <th align=\"right\">" + name + ":</th>");
  	    writer.println("  <td>" + request.getHeader(name) + "</td>");
  	    writer.println("</tr>");
  	}
  	writer.println("</table>");
  
  	writer.println("</body>");
  	writer.println("</html>");
  
      }
  
  
  }