org.hdiv.util
Class JSTLRequestUtilsHDIV

java.lang.Object
  org.hdiv.util.JSTLRequestUtilsHDIV

public class JSTLRequestUtilsHDIV
extends java.lang.Object

General purpose utility methods related to processing a servlet request.

Since:

HDIV 2.0

Author:

Gorka Vicente

Constructor Summary

JSTLRequestUtilsHDIV()

Method Summary

static java.lang.String	addExtraParameters(javax.servlet.http.HttpServletRequest request, org.hdiv.dataComposer.IDataComposer dataComposer, java.lang.String encodedURL) Adds webflow (_flowExecutionKey) and HDIV (_HDIV_STATE_) parameters.
static java.lang.String	addFlowExecutionParameter(javax.servlet.http.HttpServletRequest request, org.hdiv.dataComposer.IDataComposer dataComposer, java.lang.String url) Adds flow execution key (_flowExecutionKey) as url parameter if the attribute flowExecutionKey exists in the request.
static java.lang.String	addHDIVParameterIfNecessary(javax.servlet.http.HttpServletRequest request, java.lang.String url) Adds HDIV state as a parameter if url references our application.
static java.lang.String	addHDIVState(org.hdiv.dataComposer.IDataComposer dataComposer, java.lang.String encodedURL) Adds the HDIV parameter, depending on the strategy defined by the user, to validate the request encodedURL.
static java.lang.String	composeAction(java.lang.String url, int questionIndex, java.lang.String charEncoding, org.hdiv.dataComposer.IDataComposer dataComposer) It generates a new encoded values for the url parameters.
static java.lang.String	composeURL(javax.servlet.http.HttpServletRequest request, java.lang.String finalLocation) It creates a new state to store all the parameters and values of the request and it generates a new encoded values for the request parameters and adds the HDIV parameter.
static java.lang.String	getContextRelativePath(javax.servlet.ServletRequest request, java.lang.String relativePath)
static boolean	hasActionOrServletExtension(java.lang.String path, java.util.Hashtable extensions) Checks if path has an action extension or a jsp page extension.
static java.lang.String	removeRelativePaths(java.lang.String url) Deletes from url references to relative directories.

Methods inherited from class java.lang.Object

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

Constructor Detail

JSTLRequestUtilsHDIV

public JSTLRequestUtilsHDIV()

Method Detail

addHDIVParameterIfNecessary

public static java.lang.String addHDIVParameterIfNecessary(javax.servlet.http.HttpServletRequest request,
                                                           java.lang.String url)

Adds HDIV state as a parameter if url references our application.

Parameters:

request - HTTP request

url - URL

Returns:

url with the HDIV state added as a new parameter

composeURL

public static java.lang.String composeURL(javax.servlet.http.HttpServletRequest request,
                                          java.lang.String finalLocation)

It creates a new state to store all the parameters and values of the request and it generates a new encoded values for the request parameters and adds the HDIV parameter.

Parameters:

request - HTTP request

finalLocation - the location to redirect to

Returns:

URL with encoded parameters and HDIV parameter

addExtraParameters

public static java.lang.String addExtraParameters(javax.servlet.http.HttpServletRequest request,
                                                  org.hdiv.dataComposer.IDataComposer dataComposer,
                                                  java.lang.String encodedURL)

Adds webflow (_flowExecutionKey) and HDIV (_HDIV_STATE_) parameters. Adds the HDIV parameter, depending on the strategy defined by the user, to validate the request encodedURL.

Parameters:

request - HTTP request

dataComposer - HDIV's data composer

encodedURL - URL encoded

Returns:

url with the HDIV state and _flowExecutionKey added as a new parameters.

Since:

HDIV 2.0.3

See Also:

org.hdiv.composer.IDataComposer

addFlowExecutionParameter

public static java.lang.String addFlowExecutionParameter(javax.servlet.http.HttpServletRequest request,
                                                         org.hdiv.dataComposer.IDataComposer dataComposer,
                                                         java.lang.String url)

Adds flow execution key (_flowExecutionKey) as url parameter if the attribute flowExecutionKey exists in the request.

Parameters:

request - HTTP request

dataComposer - HDIV's data composer

url - url

Since:

HDIV 2.0.3

addHDIVState

public static java.lang.String addHDIVState(org.hdiv.dataComposer.IDataComposer dataComposer,
                                            java.lang.String encodedURL)

Adds the HDIV parameter, depending on the strategy defined by the user, to validate the request encodedURL.

Parameters:

dataComposer - HDIV's data composer

encodedURL - URL encoded

Returns:

url with the HDIV state added as a new parameter

See Also:

org.hdiv.composer.IDataComposer

composeAction

public static java.lang.String composeAction(java.lang.String url,
                                             int questionIndex,
                                             java.lang.String charEncoding,
                                             org.hdiv.dataComposer.IDataComposer dataComposer)

It generates a new encoded values for the url parameters.

The returned values guarantees the confidentiality in the encoded and memory strategies if confidentiality indicator defined by user is true.

Parameters:

url - request url

questionIndex - index of the first question occurrence in url string

charEncoding - character encoding

Returns:

url with encoded values

hasActionOrServletExtension

public static boolean hasActionOrServletExtension(java.lang.String path,
                                                  java.util.Hashtable extensions)

Checks if path has an action extension or a jsp page extension.

Parameters:

path - path

extensions - extensions table

Returns:

True if path is an action or references a jsp page.

getContextRelativePath

public static java.lang.String getContextRelativePath(javax.servlet.ServletRequest request,
                                                      java.lang.String relativePath)

removeRelativePaths

public static java.lang.String removeRelativePaths(java.lang.String url)

Deletes from url references to relative directories.

Parameters:

url - url

Returns:

Returns the url url without references to relative directories.

Since:

HDIV 2.0.3