org.openl.commons.web.jsf
Class FacesUtils

java.lang.Object
  org.openl.commons.web.jsf.FacesUtils

public abstract class FacesUtils
extends Object

Various generic helpful methods to simplify common operations with JSF.

Author:

Andrey Naumenko, Andrei Astrouski

Constructor Summary

FacesUtils()

Method Summary

static void	addCookie(javax.servlet.http.Cookie cookie)
static void	addErrorMessage(String summary)
static void	addErrorMessage(String summary, String detail)
static void	addInfoMessage(String summary)
static void	addInfoMessage(String summary, String detail)
static void	addMessage(String summary, javax.faces.application.FacesMessage.Severity severity)
static void	addMessage(String summary, String detail, javax.faces.application.FacesMessage.Severity severity)
static void	addMessage(String clientId, String summary, String detail, javax.faces.application.FacesMessage.Severity severity)
static void	addWarnMessage(String summary)
static void	addWarnMessage(String summary, String detail)
static javax.el.MethodExpression	createMethodExpression(String expressionString)
static javax.el.MethodExpression	createMethodExpression(String expressionString, Class<?>[] paramTypes)
static javax.faces.model.SelectItem[]	createSelectItems(Collection<String> values) Creates an array of SelectItems from collection of Strings;
static javax.faces.model.SelectItem[]	createSelectItems(String[] values) Creates an array of SelectItems from array of Strings;
static javax.el.ValueExpression	createValueExpression(String expressionString)
static Object	getBackingBean(String beanName)
static String	getContextPath()
static javax.servlet.http.Cookie[]	getCookies()
static javax.el.ELContext	getELContext()
static javax.faces.context.ExternalContext	getExternalContext()
static javax.faces.context.FacesContext	getFacesContext()
static javax.servlet.ServletRequest	getRequest()
static Map<String,Object>	getRequestMap()
static String	getRequestParameter(String parameterName) Returns request parameter from HttpServletRequest object through current FacesContext.
static String	getRequestParameterClean(String parameterName)
static Map<String,String>	getRequestParameterMap()
static javax.servlet.ServletResponse	getResponse()
static javax.servlet.http.HttpSession	getSession()
static javax.servlet.http.HttpSession	getSession(boolean create)
static Map<String,Object>	getSessionMap()
static Object	getSessionParam(String name)
static String	getValueExpressionString(javax.faces.component.UIComponent component, String componentParam)
static Object	getValueExpressionValue(String expressionString)
static Object	getValueExpressionValue(javax.faces.component.UIComponent component, String componentParam)
static Object	invokeMethodExpression(String expressionString)
static Object	invokeMethodExpression(String expressionString, Object[] params, Class<?>[] paramTypes)
static void	redirect(String page)

Methods inherited from class java.lang.Object

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

Constructor Detail

FacesUtils

public FacesUtils()

Method Detail

createSelectItems

public static javax.faces.model.SelectItem[] createSelectItems(Collection<String> values)

Creates an array of SelectItems from collection of Strings;

Parameters:

values - an array of SelectItem values.

Returns:

array of JSF objects representing items.

createSelectItems

public static javax.faces.model.SelectItem[] createSelectItems(String[] values)

Creates an array of SelectItems from array of Strings;

Parameters:

values - an array of SelectItem values.

Returns:

array of JSF objects representing items.

getFacesContext

public static javax.faces.context.FacesContext getFacesContext()

createValueExpression

public static javax.el.ValueExpression createValueExpression(String expressionString)

createMethodExpression

public static javax.el.MethodExpression createMethodExpression(String expressionString)

createMethodExpression

public static javax.el.MethodExpression createMethodExpression(String expressionString,
                                                               Class<?>[] paramTypes)

getValueExpressionValue

public static Object getValueExpressionValue(String expressionString)

getBackingBean

public static Object getBackingBean(String beanName)

getValueExpressionValue

public static Object getValueExpressionValue(javax.faces.component.UIComponent component,
                                             String componentParam)

getValueExpressionString

public static String getValueExpressionString(javax.faces.component.UIComponent component,
                                              String componentParam)

invokeMethodExpression

public static Object invokeMethodExpression(String expressionString)

invokeMethodExpression

public static Object invokeMethodExpression(String expressionString,
                                            Object[] params,
                                            Class<?>[] paramTypes)

getELContext

public static javax.el.ELContext getELContext()

getRequestMap

public static Map<String,Object> getRequestMap()

getRequestParameter

public static String getRequestParameter(String parameterName)

Returns request parameter from HttpServletRequest object through current FacesContext.

Parameters:

parameterName - parameter name

Returns:

parameter value - if parameter exists, null - otherwise. TODO: this method should be used only for uri decoding in other cases use method without decoding

getRequestParameterClean

public static String getRequestParameterClean(String parameterName)

getRequestParameterMap

public static Map<String,String> getRequestParameterMap()

getSessionMap

public static Map<String,Object> getSessionMap()

getSessionParam

public static Object getSessionParam(String name)

getExternalContext

public static javax.faces.context.ExternalContext getExternalContext()

getRequest

public static javax.servlet.ServletRequest getRequest()

getResponse

public static javax.servlet.ServletResponse getResponse()

getSession

public static javax.servlet.http.HttpSession getSession(boolean create)

getSession

public static javax.servlet.http.HttpSession getSession()

getContextPath

public static String getContextPath()

getCookies

public static javax.servlet.http.Cookie[] getCookies()

addCookie

public static void addCookie(javax.servlet.http.Cookie cookie)

redirect

public static void redirect(String page)
                     throws IOException

Throws:

IOException

addMessage

public static void addMessage(String summary,
                              javax.faces.application.FacesMessage.Severity severity)

addMessage

public static void addMessage(String summary,
                              String detail,
                              javax.faces.application.FacesMessage.Severity severity)

addMessage

public static void addMessage(String clientId,
                              String summary,
                              String detail,
                              javax.faces.application.FacesMessage.Severity severity)

addInfoMessage

public static void addInfoMessage(String summary)

addInfoMessage

public static void addInfoMessage(String summary,
                                  String detail)

addErrorMessage

public static void addErrorMessage(String summary)

addErrorMessage

public static void addErrorMessage(String summary,
                                   String detail)

addWarnMessage

public static void addWarnMessage(String summary)

addWarnMessage

public static void addWarnMessage(String summary,
                                  String detail)