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org.opensubsystems.patterns.listdata.www
Class ListBrowserServlet

java.lang.Object
  extended by javax.servlet.GenericServlet
      extended by javax.servlet.http.HttpServlet
          extended by org.opensubsystems.core.www.WebSessionServlet
              extended by org.opensubsystems.core.www.WebUIServlet
                  extended by org.opensubsystems.patterns.listdata.www.ListBrowserServlet
All Implemented Interfaces:
java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig
public class ListBrowserServlet
extends org.opensubsystems.core.www.WebUIServlet

Servlet responsible for loading list of data objects based on various criteria at specified position within larger set of data. This servlet contains read-only functionality so it can be safely used, when user isn't be allowed to modify the data.

Version:
$Id: ListBrowserServlet.java,v 1.27 2007/03/24 08:35:17 bastafidli Exp $
Author:
Julo Legeny
See Also:
Serialized Form
Code reviewer:
Miro Halas
Code reviewed:
1.21 2006/06/05 05:51:26 bastafidlis

Field Summary
static int ACTION_GO_TO_PAGE_ID
          Names of the action to display specific page.
static java.lang.String ACTION_GO_TO_PAGE_NAME
          Names of the action to display specific page.
static int ACTION_NEXT_PAGE_ID
          Names of the action to display next page.
static java.lang.String ACTION_NEXT_PAGE_NAME
          Names of the action to display next page.
static int ACTION_PAGE_SIZE_ID
          Names of the action to submit page size change.
static java.lang.String ACTION_PAGE_SIZE_NAME
          Names of the action to submit page size change.
static int ACTION_PREV_PAGE_ID
          Names of the action to display previous page.
static java.lang.String ACTION_PREV_PAGE_NAME
          Names of the action to display previous page.
static int ACTION_SET_FILTER_ID
          Names of the action to submit list filter change.
static java.lang.String ACTION_SET_FILTER_NAME
          Names of the action to submit list filter change.
static int ACTION_SET_ORDER_ID
          Names of the action to submit order change ascending.
static java.lang.String ACTION_SET_ORDER_NAME
          Names of the action to submit order change.
static int ACTION_SHOW_LIST_ID
          Names of the action to display list with default parameters.
static java.lang.String ACTION_SHOW_LIST_NAME
          Names of the action to display list with default parameters.
static int FORM_COUNT_LISTBROWSER
          How many actions this servlet recognizes.
static java.lang.String LIST_PARAM_ACTUAL_PAGE
          Parameter used to specify the actual page of the loaded items.
static java.lang.String LIST_PARAM_BEGIN_POSITION
          Parameter used to specify the position of the first loaded item in the list.
static java.lang.String LIST_PARAM_CLIENT_ORDER_CODE
          Parameter used to specify what column(s) to use for sorting the loaded portion of the data on the client.
static java.lang.String LIST_PARAM_CLIENT_ORDER_TYPE
          Parameter used to specify what directions should the loaded portion of the data be sorted on the client.
static java.lang.String LIST_PARAM_END_POSITION
          Parameter used to specify the position of the last loaded item in the list.
static java.lang.String LIST_PARAM_EXTRA_CONDITION_ATTRIBUTE
          Parameter specifying what attribute of the items in the list does the extra condition applies to.
static java.lang.String LIST_PARAM_EXTRA_CONDITION_OPERATION
          Parameter specifying what operations to apply on the attribute of the items in the list does the extra condition applies to.
static java.lang.String LIST_PARAM_EXTRA_CONDITION_VALUE
          Parameter specifying the value for the operation applied to the attribute of the items in the list does the extra condition applies to.
static java.lang.String LIST_PARAM_EXTRA_CONDITION_VALUE_TYPE
          Parameter specifying type of value for the operation applied to the attribute of the items in the list does the extra condition applies to.
static java.lang.String LIST_PARAM_FIRST_VISIBLE_ITEM
          Parameter used to specify what should be the first visible item from the list of loaded items on the client (for example in the case the list is too long and needs to be scrolled to show the specific item).
static java.lang.String LIST_PARAM_IGNORED_ITEMS
          Parameter specifying comma separated list of items to do not load.
static java.lang.String LIST_PARAM_KEEP_SELECTED
          Parameter specifying if the selected items should be loaded even if they wouldn't be normally in the list.
static java.lang.String LIST_PARAM_LIST_DOMAIN_ID
          Parameter specifying id of the domain from which to load items.
static java.lang.String LIST_PARAM_LIST_FILTER_ID
          Parameter used to identify filter to apply to the list.
static java.lang.String LIST_PARAM_LIST_PAGE_SIZE
          Parameter used to specify how many items to retrieve at once.
static java.lang.String LIST_PARAM_LIST_PARENT_DATA_TYPE
          Parameter specifying data type of item which should be parent to all loaded items in the list.
static java.lang.String LIST_PARAM_LIST_PARENT_IDENTIFIER
          Parameter specifying identification of item which should be parent to all loaded items in the list.
static java.lang.String LIST_PARAM_MARKED_ITEMS
          Parameter specifying comma separated list of highlighted items.
static java.lang.String LIST_PARAM_ORDER_CODE
          Parameter used to specify what column(s) to use for sorting the list.
static java.lang.String LIST_PARAM_ORDER_TYPE
          Parameter used to specify what directions should the list be sorted in.
static java.lang.String LIST_PARAM_SELECTED_ITEMS
          Parameter specifying comma separated list of selected items.
static java.lang.String LIST_PARAM_SHOW_COLUMN_CODES
          Parameter used to specify what columns to display for each item in the list on the client.
static java.lang.String LISTBROWSER_DATA_FACTORY_CLASS_NAME
          Names of the list options parameter in request forward.
static java.lang.String LISTBROWSER_ITEM_ID_EXTENTION_SEPARATOR
          Constant for special ID extention separator.
static java.lang.String LISTBROWSER_LIST_MAIN_PAGE
          Name of the property for page which is the main entry point to the list.
protected  java.lang.Class m_clsFactory
          Class representing the factory used to load data
protected  java.lang.String m_strFactoryClassName
          List data factory class name to be used by this servlet
static java.lang.String PARAMETER_DATA_OBJECT_LIST_NAME
          Names of the data object list parameter in request forward.
static java.lang.String PARAMETER_GENERIC_DATA_LIST_NAME
          Names of the data object list parameter in request forward.
static java.lang.String PARAMETER_LIST_OPTIONS_NAME
          Names of the list options parameter in request forward.
 
Fields inherited from class org.opensubsystems.core.www.WebUIServlet
DATA_ATTRIBUTE_REQUEST_PARAM, FORCE_MAXIMIZE_PARAM, FORM_COUNT_WEBUI, FORM_NAME_REQUEST_PARAM, FORM_UNKNOWN_ID, LOGGEDIN_REQUEST_PARAM, m_strMessageStyleSheet, ORIGINAL_REQUEST_INFO_REQUEST_PARAM, PAGE_TITLE_REQUEST_PARAM, WEBUI_MESSAGEBOX_PAGE, WEBUI_MESSAGEBOX_STYLE_SHEET
 
Fields inherited from class org.opensubsystems.core.www.WebSessionServlet
APPLICATION_SECURE, ATTACH_INTERNAL_SESSION_ID_URL_PARAM, DEFAULT_APPLICATION_SECURE, DEFAULT_LOGIN_SECURE, LOGIN_FORWARD_SESSION_PARAM, LOGIN_SECURE, m_scServletContext, m_sessionValidator, m_strHandshakeURL, s_bApplicationSecure, s_bLoginSecure, SERVLET_PATH_REQUEST_PARAM, SESSION_VALIDATOR_CLASS, WEBSESSION_DISPATCHER_CACHED, WEBSESSION_DISPATCHER_CACHED_DEFAULT, WEBSESSION_HADSHAKE_REQUIRED_DEFAULT, WEBSESSION_HANDSHAKE_REQUIRED, WEBSESSION_HANDSHAKE_URL, WEBSESSION_LOGIN_REQUIRED, WEBSESSION_LOGIN_REQUIRED_DEFAULT, WEBSESSION_LOGIN_URL
 
Constructor Summary
ListBrowserServlet()
           
 
Method Summary
protected  void completeAction(java.lang.Object[] listInfo, javax.servlet.http.HttpServletRequest hsrqRequest, javax.servlet.http.HttpServletResponse hsrpResponse, java.lang.String strUIID)
          Populate request and response with result of the operation.
protected  void doGet(javax.servlet.http.HttpServletRequest hsrqRequest, javax.servlet.http.HttpServletResponse hsrpResponse)
          
protected  void doPost(javax.servlet.http.HttpServletRequest hsrqRequest, javax.servlet.http.HttpServletResponse hsrpResponse)
          
protected  int getFormToProcess(javax.servlet.http.HttpServletRequest hsrqRequest)
          
protected  ListController getListController()
          Get list controller to use during this request.
 java.lang.String getServletInfo()
          
 void init(javax.servlet.ServletConfig scConfig)
          
protected  ListOptions parseListFromRequest(javax.servlet.http.HttpServletRequest hsrqRequest, int actionCode)
          Create new instance of list from a HTTP request.
protected  void processSetExactPage(javax.servlet.http.HttpServletRequest hsrqRequest, javax.servlet.http.HttpServletResponse hsrpResponse)
          Process action to show exact-selected page of the list.
protected  void processSetListFilter(javax.servlet.http.HttpServletRequest hsrqRequest, javax.servlet.http.HttpServletResponse hsrpResponse)
          Process action to show list with new filter and its paramaters.
protected  void processSetNextPage(javax.servlet.http.HttpServletRequest hsrqRequest, javax.servlet.http.HttpServletResponse hsrpResponse)
          Process action to show next page of the list.
protected  void processSetOrder(javax.servlet.http.HttpServletRequest hsrqRequest, javax.servlet.http.HttpServletResponse hsrpResponse)
          Process action to show list with new order column - ASC.
protected  void processSetPageSize(javax.servlet.http.HttpServletRequest hsrqRequest, javax.servlet.http.HttpServletResponse hsrpResponse)
          Process action to show list for new page size.
protected  void processSetPrevPage(javax.servlet.http.HttpServletRequest hsrqRequest, javax.servlet.http.HttpServletResponse hsrpResponse)
          Process action to show previous page of the list.
protected  void processShowList(javax.servlet.http.HttpServletRequest hsrqRequest, javax.servlet.http.HttpServletResponse hsrpResponse)
          Process action to show default list.
 
Methods inherited from class org.opensubsystems.core.www.WebUIServlet
cacheDispatcher, cacheUIPath, displayUI, messageBoxPage, messageBoxPage, preservice, setLoggedInFlag
 
Methods inherited from class org.opensubsystems.core.www.WebSessionServlet
destroy, getLoginRedirect, handleNewSession, isApplicationSecure, isDispatcherCachingEnabled, isLoginSecure, redirect, redirectToHandshake, redirectToLogin, resetLoginRedirect, saveLoginRedirect, service, shouldRequestBeSecure, verifyLogin
 
Methods inherited from class javax.servlet.http.HttpServlet
doDelete, doHead, doOptions, doPut, doTrace, getLastModified, service
 
Methods inherited from class javax.servlet.GenericServlet
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

LISTBROWSER_LIST_MAIN_PAGE

public static final java.lang.String LISTBROWSER_LIST_MAIN_PAGE
Name of the property for page which is the main entry point to the list.

See Also:
Constant Field Values

LISTBROWSER_DATA_FACTORY_CLASS_NAME

public static final java.lang.String LISTBROWSER_DATA_FACTORY_CLASS_NAME
Names of the list options parameter in request forward.

See Also:
Constant Field Values

LISTBROWSER_ITEM_ID_EXTENTION_SEPARATOR

public static final java.lang.String LISTBROWSER_ITEM_ID_EXTENTION_SEPARATOR
Constant for special ID extention separator.

See Also:
Constant Field Values

PARAMETER_DATA_OBJECT_LIST_NAME

public static final java.lang.String PARAMETER_DATA_OBJECT_LIST_NAME
Names of the data object list parameter in request forward.

See Also:
Constant Field Values

PARAMETER_GENERIC_DATA_LIST_NAME

public static final java.lang.String PARAMETER_GENERIC_DATA_LIST_NAME
Names of the data object list parameter in request forward.

See Also:
Constant Field Values

PARAMETER_LIST_OPTIONS_NAME

public static final java.lang.String PARAMETER_LIST_OPTIONS_NAME
Names of the list options parameter in request forward.

See Also:
Constant Field Values

ACTION_SHOW_LIST_NAME

public static final java.lang.String ACTION_SHOW_LIST_NAME
Names of the action to display list with default parameters.

See Also:
Constant Field Values

ACTION_SET_FILTER_NAME

public static final java.lang.String ACTION_SET_FILTER_NAME
Names of the action to submit list filter change.

See Also:
Constant Field Values

ACTION_SET_ORDER_NAME

public static final java.lang.String ACTION_SET_ORDER_NAME
Names of the action to submit order change.

See Also:
Constant Field Values

ACTION_PAGE_SIZE_NAME

public static final java.lang.String ACTION_PAGE_SIZE_NAME
Names of the action to submit page size change.

See Also:
Constant Field Values

ACTION_PREV_PAGE_NAME

public static final java.lang.String ACTION_PREV_PAGE_NAME
Names of the action to display previous page.

See Also:
Constant Field Values

ACTION_NEXT_PAGE_NAME

public static final java.lang.String ACTION_NEXT_PAGE_NAME
Names of the action to display next page.

See Also:
Constant Field Values

ACTION_GO_TO_PAGE_NAME

public static final java.lang.String ACTION_GO_TO_PAGE_NAME
Names of the action to display specific page.

See Also:
Constant Field Values

ACTION_SHOW_LIST_ID

public static final int ACTION_SHOW_LIST_ID
Names of the action to display list with default parameters.

See Also:
Constant Field Values

ACTION_SET_FILTER_ID

public static final int ACTION_SET_FILTER_ID
Names of the action to submit list filter change.

See Also:
Constant Field Values

ACTION_SET_ORDER_ID

public static final int ACTION_SET_ORDER_ID
Names of the action to submit order change ascending.

See Also:
Constant Field Values

ACTION_PAGE_SIZE_ID

public static final int ACTION_PAGE_SIZE_ID
Names of the action to submit page size change.

See Also:
Constant Field Values

ACTION_PREV_PAGE_ID

public static final int ACTION_PREV_PAGE_ID
Names of the action to display previous page.

See Also:
Constant Field Values

ACTION_NEXT_PAGE_ID

public static final int ACTION_NEXT_PAGE_ID
Names of the action to display next page.

See Also:
Constant Field Values

ACTION_GO_TO_PAGE_ID

public static final int ACTION_GO_TO_PAGE_ID
Names of the action to display specific page.

See Also:
Constant Field Values

FORM_COUNT_LISTBROWSER

public static final int FORM_COUNT_LISTBROWSER
How many actions this servlet recognizes.

See Also:
Constant Field Values

LIST_PARAM_LIST_FILTER_ID

public static final java.lang.String LIST_PARAM_LIST_FILTER_ID
Parameter used to identify filter to apply to the list.

See Also:
Constant Field Values

LIST_PARAM_LIST_PAGE_SIZE

public static final java.lang.String LIST_PARAM_LIST_PAGE_SIZE
Parameter used to specify how many items to retrieve at once.

See Also:
Constant Field Values

LIST_PARAM_ORDER_CODE

public static final java.lang.String LIST_PARAM_ORDER_CODE
Parameter used to specify what column(s) to use for sorting the list.

See Also:
Constant Field Values

LIST_PARAM_ORDER_TYPE

public static final java.lang.String LIST_PARAM_ORDER_TYPE
Parameter used to specify what directions should the list be sorted in.

See Also:
Constant Field Values

LIST_PARAM_CLIENT_ORDER_CODE

public static final java.lang.String LIST_PARAM_CLIENT_ORDER_CODE
Parameter used to specify what column(s) to use for sorting the loaded portion of the data on the client.

See Also:
Constant Field Values

LIST_PARAM_CLIENT_ORDER_TYPE

public static final java.lang.String LIST_PARAM_CLIENT_ORDER_TYPE
Parameter used to specify what directions should the loaded portion of the data be sorted on the client.

See Also:
Constant Field Values

LIST_PARAM_BEGIN_POSITION

public static final java.lang.String LIST_PARAM_BEGIN_POSITION
Parameter used to specify the position of the first loaded item in the list.

See Also:
Constant Field Values

LIST_PARAM_END_POSITION

public static final java.lang.String LIST_PARAM_END_POSITION
Parameter used to specify the position of the last loaded item in the list.

See Also:
Constant Field Values

LIST_PARAM_ACTUAL_PAGE

public static final java.lang.String LIST_PARAM_ACTUAL_PAGE
Parameter used to specify the actual page of the loaded items.

See Also:
Constant Field Values

LIST_PARAM_SHOW_COLUMN_CODES

public static final java.lang.String LIST_PARAM_SHOW_COLUMN_CODES
Parameter used to specify what columns to display for each item in the list on the client.

See Also:
Constant Field Values

LIST_PARAM_FIRST_VISIBLE_ITEM

public static final java.lang.String LIST_PARAM_FIRST_VISIBLE_ITEM
Parameter used to specify what should be the first visible item from the list of loaded items on the client (for example in the case the list is too long and needs to be scrolled to show the specific item).

See Also:
Constant Field Values

LIST_PARAM_SELECTED_ITEMS

public static final java.lang.String LIST_PARAM_SELECTED_ITEMS
Parameter specifying comma separated list of selected items.

See Also:
Constant Field Values

LIST_PARAM_MARKED_ITEMS

public static final java.lang.String LIST_PARAM_MARKED_ITEMS
Parameter specifying comma separated list of highlighted items.

See Also:
Constant Field Values

LIST_PARAM_IGNORED_ITEMS

public static final java.lang.String LIST_PARAM_IGNORED_ITEMS
Parameter specifying comma separated list of items to do not load.

See Also:
Constant Field Values

LIST_PARAM_LIST_PARENT_DATA_TYPE

public static final java.lang.String LIST_PARAM_LIST_PARENT_DATA_TYPE
Parameter specifying data type of item which should be parent to all loaded items in the list.

See Also:
Constant Field Values

LIST_PARAM_LIST_PARENT_IDENTIFIER

public static final java.lang.String LIST_PARAM_LIST_PARENT_IDENTIFIER
Parameter specifying identification of item which should be parent to all loaded items in the list.

See Also:
Constant Field Values

LIST_PARAM_KEEP_SELECTED

public static final java.lang.String LIST_PARAM_KEEP_SELECTED
Parameter specifying if the selected items should be loaded even if they wouldn't be normally in the list.

See Also:
Constant Field Values

LIST_PARAM_LIST_DOMAIN_ID

public static final java.lang.String LIST_PARAM_LIST_DOMAIN_ID
Parameter specifying id of the domain from which to load items.

See Also:
Constant Field Values

LIST_PARAM_EXTRA_CONDITION_ATTRIBUTE

public static final java.lang.String LIST_PARAM_EXTRA_CONDITION_ATTRIBUTE
Parameter specifying what attribute of the items in the list does the extra condition applies to.

See Also:
Constant Field Values

LIST_PARAM_EXTRA_CONDITION_OPERATION

public static final java.lang.String LIST_PARAM_EXTRA_CONDITION_OPERATION
Parameter specifying what operations to apply on the attribute of the items in the list does the extra condition applies to.

See Also:
Constant Field Values

LIST_PARAM_EXTRA_CONDITION_VALUE_TYPE

public static final java.lang.String LIST_PARAM_EXTRA_CONDITION_VALUE_TYPE
Parameter specifying type of value for the operation applied to the attribute of the items in the list does the extra condition applies to.

See Also:
Constant Field Values

LIST_PARAM_EXTRA_CONDITION_VALUE

public static final java.lang.String LIST_PARAM_EXTRA_CONDITION_VALUE
Parameter specifying the value for the operation applied to the attribute of the items in the list does the extra condition applies to.

See Also:
Constant Field Values

m_strFactoryClassName

protected java.lang.String m_strFactoryClassName
List data factory class name to be used by this servlet

m_clsFactory

protected java.lang.Class m_clsFactory
Class representing the factory used to load data

Constructor Detail

ListBrowserServlet

public ListBrowserServlet()
Method Detail

init

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

Specified by:
init in interface javax.servlet.Servlet
Overrides:
init in class org.opensubsystems.core.www.WebUIServlet
Throws:
javax.servlet.ServletException

getServletInfo

public java.lang.String getServletInfo()

Specified by:
getServletInfo in interface javax.servlet.Servlet
Overrides:
getServletInfo in class org.opensubsystems.core.www.WebUIServlet

doGet

protected void doGet(javax.servlet.http.HttpServletRequest hsrqRequest,
                     javax.servlet.http.HttpServletResponse hsrpResponse)
              throws javax.servlet.ServletException,
                     java.io.IOException

Overrides:
doGet in class javax.servlet.http.HttpServlet
Throws:
javax.servlet.ServletException
java.io.IOException

doPost

protected void doPost(javax.servlet.http.HttpServletRequest hsrqRequest,
                      javax.servlet.http.HttpServletResponse hsrpResponse)
               throws javax.servlet.ServletException,
                      java.io.IOException

Overrides:
doPost in class javax.servlet.http.HttpServlet
Throws:
javax.servlet.ServletException
java.io.IOException

processShowList

protected void processShowList(javax.servlet.http.HttpServletRequest hsrqRequest,
                               javax.servlet.http.HttpServletResponse hsrpResponse)
                        throws java.io.IOException,
                               javax.servlet.ServletException
Process action to show default list.

Parameters:
hsrqRequest - - the servlet request.
hsrpResponse - - the servlet response.
Throws:
javax.servlet.ServletException - - an error while serving request
java.io.IOException - - an error while writing response

processSetListFilter

protected void processSetListFilter(javax.servlet.http.HttpServletRequest hsrqRequest,
                                    javax.servlet.http.HttpServletResponse hsrpResponse)
                             throws java.io.IOException,
                                    javax.servlet.ServletException
Process action to show list with new filter and its paramaters.

Parameters:
hsrqRequest - - the servlet request.
hsrpResponse - - the servlet response.
Throws:
javax.servlet.ServletException - - an error while serving request
java.io.IOException - - an error while writing response

processSetOrder

protected void processSetOrder(javax.servlet.http.HttpServletRequest hsrqRequest,
                               javax.servlet.http.HttpServletResponse hsrpResponse)
                        throws java.io.IOException,
                               javax.servlet.ServletException
Process action to show list with new order column - ASC.

Parameters:
hsrqRequest - - the servlet request.
hsrpResponse - - the servlet response.
Throws:
javax.servlet.ServletException - - an error while serving request
java.io.IOException - - an error while writing response

processSetPageSize

protected void processSetPageSize(javax.servlet.http.HttpServletRequest hsrqRequest,
                                  javax.servlet.http.HttpServletResponse hsrpResponse)
                           throws java.io.IOException,
                                  javax.servlet.ServletException
Process action to show list for new page size.

Parameters:
hsrqRequest - - the servlet request.
hsrpResponse - - the servlet response.
Throws:
javax.servlet.ServletException - - an error while serving request
java.io.IOException - - an error while writing response

processSetPrevPage

protected void processSetPrevPage(javax.servlet.http.HttpServletRequest hsrqRequest,
                                  javax.servlet.http.HttpServletResponse hsrpResponse)
                           throws java.io.IOException,
                                  javax.servlet.ServletException
Process action to show previous page of the list.

Parameters:
hsrqRequest - - the servlet request.
hsrpResponse - - the servlet response.
Throws:
javax.servlet.ServletException - - an error while serving request
java.io.IOException - - an error while writing response

processSetNextPage

protected void processSetNextPage(javax.servlet.http.HttpServletRequest hsrqRequest,
                                  javax.servlet.http.HttpServletResponse hsrpResponse)
                           throws java.io.IOException,
                                  javax.servlet.ServletException
Process action to show next page of the list.

Parameters:
hsrqRequest - - the servlet request.
hsrpResponse - - the servlet response.
Throws:
javax.servlet.ServletException - - an error while serving request
java.io.IOException - - an error while writing response

processSetExactPage

protected void processSetExactPage(javax.servlet.http.HttpServletRequest hsrqRequest,
                                   javax.servlet.http.HttpServletResponse hsrpResponse)
                            throws java.io.IOException,
                                   javax.servlet.ServletException
Process action to show exact-selected page of the list.

Parameters:
hsrqRequest - - the servlet request.
hsrpResponse - - the servlet response.
Throws:
javax.servlet.ServletException - - an error while serving request
java.io.IOException - - an error while writing response

getFormToProcess

protected int getFormToProcess(javax.servlet.http.HttpServletRequest hsrqRequest)

Overrides:
getFormToProcess in class org.opensubsystems.core.www.WebUIServlet

parseListFromRequest

protected ListOptions parseListFromRequest(javax.servlet.http.HttpServletRequest hsrqRequest,
                                           int actionCode)
                                    throws org.opensubsystems.core.error.OSSException
Create new instance of list from a HTTP request.

Parameters:
hsrqRequest - - HTTP request from HTML form
actionCode - - code of submited action
Returns:
ListOptions
Throws:
org.opensubsystems.core.error.OSSException - - an error has occured while parsing request

completeAction

protected void completeAction(java.lang.Object[] listInfo,
                              javax.servlet.http.HttpServletRequest hsrqRequest,
                              javax.servlet.http.HttpServletResponse hsrpResponse,
                              java.lang.String strUIID)
                       throws java.lang.Exception
Populate request and response with result of the operation.

Parameters:
listInfo - - returned list info {ListOption, List}
hsrqRequest - - HTTP request
hsrpResponse - - HTTP respons
strUIID - - unique ID of the configuration parameter used to specify UI to display. This is the same ID previously passed into cacheUIPath method.
Throws:
java.lang.Exception - - en error has accured

getListController

protected ListController getListController()
                                    throws org.opensubsystems.core.error.OSSException
Get list controller to use during this request. This is in separate method so it can be overriden and derived list controller can be supplied forexample implementing security ;-).

Returns:
ListController - instance of controller to use to process requests
Throws:
org.opensubsystems.core.error.OSSException - - an error has occured
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