at.knowcenter.wag.egov.egiz.web.servlets
Class VerifyServlet

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          at.knowcenter.wag.egov.egiz.web.servlets.VerifyServlet

All Implemented Interfaces:

Serializable, Servlet, ServletConfig

public class VerifyServlet

extends HttpServlet

This method is the verify servlet for the pdf-as web application. It takes get and post requests fill out jsp templates and give the user feedback about the results of the verify process.

Author:

wlackner, wprinz

See Also:

Serialized Form

Nested Class Summary

protected static class

VerifyServlet.UploadedData

Constructor Summary

VerifyServlet()

Method Summary

protected DataSource	convertUploadToDataSource(org.apache.commons.fileupload.FileItem upload_fi)
protected static int	debugVerifyResults(List results) Formats the verification results for debugging.
protected void	dispatch(HttpServletRequest request, HttpServletResponse response, String resource)
protected void	dispatchToResults(List results, HttpServletRequest request, HttpServletResponse response)
void	doPost(HttpServletRequest request, HttpServletResponse response) Processes the verify upload.
static String	extractExtension(String file_name) Extracts the extension from a file name string.
protected List	extractSignatureHolders(DataSource dataSource)
boolean	isPDF(byte[] data)
protected VerifyServlet.UploadedData	retrieveUploadedDataFromRequest(HttpServletRequest request)

Methods inherited from class javax.servlet.http.HttpServlet

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

Methods inherited from class javax.servlet.GenericServlet

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

Methods inherited from class java.lang.Object

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

Constructor Detail

VerifyServlet

public VerifyServlet()

Method Detail

dispatch

protected void dispatch(HttpServletRequest request,
                        HttpServletResponse response,
                        String resource)
                 throws ServletException,
                        IOException

Throws:

ServletException

IOException

dispatchToResults

protected void dispatchToResults(List results,
                                 HttpServletRequest request,
                                 HttpServletResponse response)
                          throws ServletException,
                                 IOException

Throws:

ServletException

IOException

doPost

public void doPost(HttpServletRequest request,
                   HttpServletResponse response)
            throws ServletException,
                   IOException

Processes the verify upload.

Throws:

ServletException

IOException

See Also:

HttpServlet.doPost(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)

retrieveUploadedDataFromRequest

protected VerifyServlet.UploadedData retrieveUploadedDataFromRequest(HttpServletRequest request)
                                                              throws ServletException,
                                                                     UnsupportedEncodingException,
                                                                     org.apache.commons.fileupload.FileUploadException,
                                                                     PDFDocumentException

Throws:

ServletException

UnsupportedEncodingException

org.apache.commons.fileupload.FileUploadException

PDFDocumentException

convertUploadToDataSource

protected DataSource convertUploadToDataSource(org.apache.commons.fileupload.FileItem upload_fi)
                                        throws PDFDocumentException

Throws:

PDFDocumentException

extractSignatureHolders

protected List extractSignatureHolders(DataSource dataSource)
                                throws PresentableException

Throws:

PresentableException

extractExtension

public static String extractExtension(String file_name)

Extracts the extension from a file name string.

The extension of a file name is whatever text follows the last '.'.

Parameters:

file_name - The file name.

Returns:

Returns the extension. If the file name ends with the '.', then an empty string is returned. If the file name doesn't contain any '.' or file_name is null, null is returned.

debugVerifyResults

protected static int debugVerifyResults(List results)
                                 throws SettingNotFoundException

Formats the verification results for debugging. Returns 0 if no error occurs or the sum of all error-codes.

Parameters:

results -

Throws:

SettingNotFoundException - Forwarded exception.

isPDF

public boolean isPDF(byte[] data)