nl.b3p.commons.services

Class GetServiceFileServlet

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

nl.b3p.commons.services.GetServiceFileServlet

All Implemented Interfaces:

Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

Direct Known Subclasses:

GetServiceFileSecureServlet

public class GetServiceFileServlet
extends javax.servlet.http.HttpServlet

Servlet for getting files from the host. A bit insecure ;)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static String	FILE

Constructor Summary

Constructors

Constructor and Description
GetServiceFileServlet()

Method Summary

Methods

Modifier and Type	Method and Description
protected String	createFileUrl(javax.servlet.http.HttpServletRequest request, File f) Create the url to the file
protected void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Handles the HTTP GET method.
protected void	doPost(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Handles the HTTP POST method.
protected File	getCorrectedFile(String fileString) Get the corrected File (relative to jvm or absolute)
String	getServletInfo() Returns a short description of the servlet.
void	init(javax.servlet.ServletConfig config)
protected void	processRequest(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Processes requests for both HTTP GET and POST methods.
protected void	writeErrorMessage(javax.servlet.http.HttpServletResponse response, String message) Write a html page as error
protected void	writeFile(javax.servlet.http.HttpServletResponse response, File file) write a file to the output
protected void	writeFileNotFoundMessage(javax.servlet.http.HttpServletResponse response, String fileString) Write a file not found error message
protected void	writeFileToHtml(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, File file) Write a link to the file in html

Methods inherited from class javax.servlet.http.HttpServlet

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

Methods inherited from class javax.servlet.GenericServlet

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

Methods inherited from class java.lang.Object

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

Field Detail

FILE

public static final String FILE

See Also:

Constant Field Values

Constructor Detail

GetServiceFileServlet

public GetServiceFileServlet()

Method Detail

init

public void init(javax.servlet.ServletConfig config)
          throws javax.servlet.ServletException

Specified by:

init in interface javax.servlet.Servlet

Overrides:

init in class javax.servlet.GenericServlet

Throws:

javax.servlet.ServletException

processRequest

protected void processRequest(javax.servlet.http.HttpServletRequest request,
                  javax.servlet.http.HttpServletResponse response)
                       throws javax.servlet.ServletException,
                              IOException

Processes requests for both HTTP GET and POST methods.

Parameters:

request - servlet request

response - servlet response

Throws:

javax.servlet.ServletException - if a servlet-specific error occurs

IOException - if an I/O error occurs

doGet

protected void doGet(javax.servlet.http.HttpServletRequest request,
         javax.servlet.http.HttpServletResponse response)
              throws javax.servlet.ServletException,
                     IOException

Handles the HTTP GET method.

Overrides:

doGet in class javax.servlet.http.HttpServlet

Parameters:

request - servlet request

response - servlet response

Throws:

javax.servlet.ServletException - if a servlet-specific error occurs

IOException - if an I/O error occurs

doPost

protected void doPost(javax.servlet.http.HttpServletRequest request,
          javax.servlet.http.HttpServletResponse response)
               throws javax.servlet.ServletException,
                      IOException

Handles the HTTP POST method.

Overrides:

doPost in class javax.servlet.http.HttpServlet

Parameters:

request - servlet request

response - servlet response

Throws:

javax.servlet.ServletException - if a servlet-specific error occurs

IOException - if an I/O error occurs

getServletInfo

public String getServletInfo()

Returns a short description of the servlet.

Specified by:

getServletInfo in interface javax.servlet.Servlet

Overrides:

getServletInfo in class javax.servlet.GenericServlet

Returns:

a String containing servlet description

writeFile

protected void writeFile(javax.servlet.http.HttpServletResponse response,
             File file)
                  throws IOException

write a file to the output

Throws:

IOException

writeErrorMessage

protected void writeErrorMessage(javax.servlet.http.HttpServletResponse response,
                     String message)
                          throws IOException

Write a html page as error

Throws:

IOException

createFileUrl

protected String createFileUrl(javax.servlet.http.HttpServletRequest request,
                   File f)

Create the url to the file

writeFileToHtml

protected void writeFileToHtml(javax.servlet.http.HttpServletRequest request,
                   javax.servlet.http.HttpServletResponse response,
                   File file)
                        throws IOException

Write a link to the file in html

Throws:

IOException

getCorrectedFile

protected File getCorrectedFile(String fileString)

Get the corrected File (relative to jvm or absolute)

writeFileNotFoundMessage

protected void writeFileNotFoundMessage(javax.servlet.http.HttpServletResponse response,
                            String fileString)
                                 throws IOException

Write a file not found error message

Throws:

IOException