| String closestRef(UIComponent component) | Returns the name (ref) of the client side component of the closest parent component of the given component. |
| String closestWidgetVar(UIComponent component) | Deprecated, use p:closestRef instead. |
| String dir() | Gets the direction of the current request, ltr or rtl: the one chosen by the user (primefaces.THEME_CONFIGURATOR) or primefaces.DIR. |
| Object dynamicColumnValue(UIComponent component) | Gets the value of the current column. This is only required when p:columns and field is used with a nested expression like user.name. |
| String dynamicColumnValueAsString(UIComponent component) | Gets the value of the current column converted to string. This is only required when p:columns and field is used with a nested expression like user.name. |
| String escapeJavaScriptVarName(String input) | Escapes a string for a JS var name (e.g. ':' in a clientId). This is useful if you need to use a clientId in the name of a p:remoteCommand. |
| String language() | Gets the current ISO 639-1 Language Code from current Locale so 'pt_BR' becomes 'pt'. |
| String resolveClientId(String expression, UIComponent source) | Returns the clientId of the resolved component for the given expression. |
| String resolveClientIds(String expressions, UIComponent source) | Returns the clientIds of the resolved components for the given expression. |
| UIComponent resolveComponent(String expression, UIComponent source) | Returns the resolved UIComponent for the given expression. |
| UIComponent resolveFirstComponentWithId(String id, UIComponent base) | Returns the first UIComponent with the same id (not clientId!) as the requested id. This method ignores any algorithm or NamingContainers. |
| String resolveRef(String expression, UIComponent component) | Returns the name (ref) of the client side component of the resolved component for the given expression. |
| String resolveWidgetVar(String expression, UIComponent component) | Deprecated, use p:resolveRef instead. |
| boolean shouldRenderFacet(UIComponent facet) | Returns true when facet and one of the first level children is rendered. |
| String theme() | Gets the preset of the current request: the one chosen by the user (primefaces.THEME_CONFIGURATOR) or primefaces.THEME. |