Example usage for javax.el MethodExpression invoke

Introduction

In this page you can find the example usage for javax.el MethodExpression invoke.

Prototype

public abstract Object invoke(ELContext context, Object[] params);

Source Link

Usage

From source file:org.ajax4jsf.component.AjaxViewRoot.java

/**
 * Send notification to a view-scope phase listeners.
 * /*  w w w . ja  va  2s  . co  m*/
 * @param context
 * @param phase
 * @param before
 */
protected void processPhaseListeners(FacesContext context, PhaseId phase, boolean before) {
    MethodExpression listenerExpression = before ? getBeforePhaseListener() : getAfterPhaseListener();
    PhaseEvent event = null;
    if (null != listenerExpression) {
        event = createPhaseEvent(context, phase);
        listenerExpression.invoke(context.getELContext(), new Object[] { event });
    }
    if (null != this.phaseListeners) {
        for (PhaseListener listener : phaseListeners) {
            PhaseId phaseId = listener.getPhaseId();
            if (phaseId == phase || phaseId == PhaseId.ANY_PHASE) {
                if (null == event) {
                    event = createPhaseEvent(context, phase);
                }
                if (before) {
                    listener.beforePhase(event);
                } else {
                    listener.afterPhase(event);
                }
            }
        }
    }
}

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From source file:org.richfaces.component.UICalendar.java

public void broadcast(FacesEvent event) throws AbortProcessingException {
    // TODO Auto-generated method stub
    if (event instanceof AjaxEvent) {
        FacesContext facesContext = FacesContext.getCurrentInstance();
        AjaxContext ajaxContext = AjaxContext.getCurrentInstance(facesContext);
        ajaxContext.addRegionsFromComponent(this);
        if (getPreload() != null) {
            ajaxContext.setResponseData(getPreload());
        }/*from w  w w  .j  av  a 2  s  . com*/
    } else {
        if (event instanceof CurrentDateChangeEvent) {
            FacesContext facesContext = getFacesContext();
            CurrentDateChangeEvent dateChangeEvent = (CurrentDateChangeEvent) event;
            String currentDateString = dateChangeEvent.getCurrentDateString();

            // if currentDateString is not null then event cames from
            // apply request phase
            try {
                // XXX nick - kaa - we should use datePattern
                // attribute-based converter only for selectedDate
                // current date string always has predefined format: m/y
                // review
                // org.richfaces.renderkit.CalendarRendererBase.convertCurrentDate(String)
                // method
                // for more

                // XX nick - kaa - throw exception and review resulting
                // message :)

                Date currentDate = getAsDate(getCurrentDate());
                Date submittedCurrentDate = convertCurrentDate(currentDateString);
                dateChangeEvent.setCurrentDate(submittedCurrentDate);

                if (!submittedCurrentDate.equals(currentDate)) {
                    updateCurrentDate(facesContext, submittedCurrentDate);
                    MethodExpression methodExpression = getCurrentDateChangeListener();
                    if (methodExpression != null) {
                        methodExpression.invoke(facesContext.getELContext(), new Object[] { dateChangeEvent });
                    }
                }

            } catch (Exception e) {
                // XXX nick - kaa - add log.debug(...)
                // XXX nick - kaa - we should stop processing on exc.
                // setValid(false) and then call
                // FacesContext.renderResponse(...)
                // update model phase shouldn't start
                if (log.isDebugEnabled()) {
                    log.debug(" currentDate convertion fails with following exception: " + e.toString(), e);
                }
                setValid(false);
                String messageString = e.toString();
                e.printStackTrace();
                FacesMessage message = new FacesMessage(messageString);
                message.setSeverity(FacesMessage.SEVERITY_ERROR);
                facesContext.addMessage(getClientId(facesContext), message);
                facesContext.renderResponse();
            }
        } else {
            super.broadcast(event);
        }

    }

}

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From source file:org.operamasks.faces.render.graph.ChartRenderer.java

protected void initChart(JFreeChart chart, UIChart comp) {
    setChartStyles(chart, comp);//from w ww.j av  a 2s . com
    setLegendStyles(chart, comp);
    setChartTitles(chart, comp);
    setChartAxes(chart, comp);
    createCurveSeries(chart, comp);
    setSeriesStyles(chart, comp);
    addTextAnnotations(chart, comp);
    setToolTipGenerator(chart, comp);

    MethodExpression init = comp.getInit();
    if (init != null) {
        ELContext context = FacesContext.getCurrentInstance().getELContext();
        init.invoke(context, new Object[] { chart });
    }
}

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From source file:com.googlecode.jsfFlex.component.ext.AbstractFlexUIDataGrid.java

private Boolean invokeFilterMethod(String currRowValue, String filterValue) {
    Boolean toFilter = false;/* w  w  w. j a v  a 2s  .c o  m*/

    MethodExpression userProvidedFilterMethod = getAsynchronousEventFilterGlueHandler();
    if (userProvidedFilterMethod != null) {
        FacesContext context = FacesContext.getCurrentInstance();
        toFilter = Boolean
                .valueOf(
                        userProvidedFilterMethod
                                .invoke(context.getELContext(),
                                        new Object[] {
                                                new AsynchronousFilterEvent(this, currRowValue, filterValue) })
                                .toString());
    } else {
        toFilter = defaultFilterMethod(new AsynchronousFilterEvent(this, currRowValue, filterValue));
    }

    return toFilter;
}

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