org.opensubsystems.blog.www
Class BlogBrowserServlet

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          org.opensubsystems.core.www.WebSessionServlet
              org.opensubsystems.core.www.WebUIServlet
                  org.opensubsystems.blog.www.BlogBrowserServlet

All Implemented Interfaces:

java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

Direct Known Subclasses:

BlogEditServlet

public class BlogBrowserServlet
extends org.opensubsystems.core.www.WebUIServlet

Servlet responsible for browsing blogs and their entries as if they were displayed using a static website consisting of pages with .html extension. his servlet contains read-only functionality so it can be safely used, when user shouldn't be allowed to modify the data.

Version:

$Id: BlogBrowserServlet.java,v 1.6 2007/02/20 02:01:38 bastafidli Exp $

Author:

Miro Halas

See Also:

Serialized Form

Code reviewer:

Miro Halas

Code reviewed:

Initial revision

Field Summary

static java.lang.String	BLOGBROWSER_BLOG_INDEX_PAGE Name of the property for page which is the main entry point to the blog functionality.
static java.lang.String	BLOGBROWSER_BLOG_VIEWER_PAGE Name of the property for page to view single blog.
static java.lang.String	BLOGBROWSER_BLOGENTRY_VIEWER_PAGE Name of the property for page to view single blog entry.
static int	FORM_COUNT_BLOGBROWSER Constant for number of forms recognized by this servlet

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

BlogBrowserServlet()

Method Summary

protected void	createBlogEntryPage(javax.servlet.http.HttpServletRequest hsrqRequest, javax.servlet.http.HttpServletResponse hsrpResponse) Create blog page for the path requested by user
protected void	createIndexPage(javax.servlet.http.HttpServletRequest hsrqRequest, javax.servlet.http.HttpServletResponse hsrpResponse) Create index page of all entries in the blog.
protected void	createMainIndexPage(javax.servlet.http.HttpServletRequest hsrqRequest, javax.servlet.http.HttpServletResponse hsrpResponse) Create main index page of all blogs.
protected void	doGet(javax.servlet.http.HttpServletRequest hsrqRequest, javax.servlet.http.HttpServletResponse hsrpResponse)
protected BlogController	getController() Get controller to invoke business logic.
protected BlogNavigator	getNavigator(javax.servlet.http.HttpServletRequest hsrqRequest) Get instance of navigator object suitable for processing current request.
java.lang.String	getServletInfo()
void	init(javax.servlet.ServletConfig scConfig)

Methods inherited from class org.opensubsystems.core.www.WebUIServlet

cacheDispatcher, cacheUIPath, displayUI, getFormToProcess, 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, doPost, 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

BLOGBROWSER_BLOG_INDEX_PAGE

public static final java.lang.String BLOGBROWSER_BLOG_INDEX_PAGE

Name of the property for page which is the main entry point to the blog functionality.

See Also:

Constant Field Values

BLOGBROWSER_BLOG_VIEWER_PAGE

public static final java.lang.String BLOGBROWSER_BLOG_VIEWER_PAGE

Name of the property for page to view single blog.

See Also:

Constant Field Values

BLOGBROWSER_BLOGENTRY_VIEWER_PAGE

public static final java.lang.String BLOGBROWSER_BLOGENTRY_VIEWER_PAGE

Name of the property for page to view single blog entry.

See Also:

Constant Field Values

FORM_COUNT_BLOGBROWSER

public static final int FORM_COUNT_BLOGBROWSER

Constant for number of forms recognized by this servlet

See Also:

Constant Field Values

Constructor Detail

BlogBrowserServlet

public BlogBrowserServlet()

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

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

getServletInfo

public java.lang.String getServletInfo()

Specified by:

getServletInfo in interface javax.servlet.Servlet

Overrides:

getServletInfo in class org.opensubsystems.core.www.WebUIServlet

createMainIndexPage

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

Create main index page of all blogs.

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

createIndexPage

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

Create index page of all entries in the blog.

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

createBlogEntryPage

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

Create blog page for the path requested by user

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

getNavigator

protected BlogNavigator getNavigator(javax.servlet.http.HttpServletRequest hsrqRequest)

Get instance of navigator object suitable for processing current request.

Parameters:

hsrqRequest - - current request

Returns:

BlogNavigator - navigator for current request

getController

protected BlogController getController()
                                throws org.opensubsystems.core.error.OSSException

Get controller to invoke business logic.

Returns:

BlogController

Throws:

org.opensubsystems.core.error.OSSException - - an error has occured