Example usage for javax.el ValueExpression setValue

Introduction

In this page you can find the example usage for javax.el ValueExpression setValue.

Prototype

public abstract void setValue(ELContext context, Object value);

Source Link

Usage

From source file:org.nuxeo.ecm.platform.ui.web.util.ComponentTagUtils.java

/**
 * Resolves given value expression as string and sets given value on it.
 *
 * @since 6.0//from ww w .j  a  va2  s.c  om
 */
public static void applyValueExpression(FacesContext context, String elExpression, Object value) {
    if (!isStrictValueReference(elExpression)) {
        log.warn("Cannot set value '" + value + "' for expression '" + elExpression + "'");
    } else {
        if (context == null) {
            log.error("FacesContext is null => cannot resolve el expression '" + elExpression + "'");
            return;
        }
        Application app = context.getApplication();
        ExpressionFactory eFactory = app.getExpressionFactory();
        ELContext elContext = context.getELContext();
        try {
            ValueExpression vExpression = eFactory.createValueExpression(elContext, elExpression, Object.class);
            vExpression.setValue(elContext, value);
        } catch (ELException e) {
            log.error("Error setting value '" + value + "' for expression '" + elExpression + "'", e);
        }
    }
}

From source file:org.primefaces.extensions.showcase.controller.dynaform.ClearInputsExecutor.java

/**
 * @see org.primefaces.extensions.util.visitcallback.VisitTaskExecutor
 *///from w  w  w.  j  a va2  s  .  c om
public VisitResult execute(UIComponent component) {
    UIInput input = (UIInput) component;
    String id = input.getId();

    // reset UI
    input.resetValue();

    // reset value in bean
    if ("tableColumn".equals(id) || "inputValue".equals(id)) {
        ValueExpression ve = input.getValueExpression("value");
        if (ve != null) {
            ve.setValue(elContext, StringUtils.EMPTY);
        }
    } else if ("inputOffset".equals(id)) {
        ValueExpression ve = input.getValueExpression("value");
        if (ve != null) {
            ve.setValue(elContext, 0);
        }
    } else if ("valueOperator".equals(id)) {
        ValueExpression ve = input.getValueExpression("value");
        if (ve != null) {
            ve.setValue(elContext, "eq");
        }
    }

    // update the corresponding input during response
    requestContext.update(input.getClientId());

    // delete handled id from the list, so that similar inputs should not be executed again
    ArrayUtils.removeElement(ids, id);

    return (ids.length != 0) ? VisitResult.REJECT : VisitResult.COMPLETE;
}

From source file:org.nuxeo.ecm.platform.ui.web.binding.alias.AliasValueExpression.java

@Override
public void setValue(ELContext context, Object value) {
    ValueExpression ve = resolveExpression(context);
    if (ve != null) {
        ve.setValue(context, value);
    }/* ww w.j av  a  2  s.c o  m*/
    if (log.isDebugEnabled()) {
        log.debug("Resolved expression var='" + var + "' for mapper with id '" + id + "' and set value: "
                + value);
    }
}

From source file:com.googlecode.jsfFlex.component.AbstractFlexUITextInputBase.java

@Override
public void processUpdates(FacesContext context) {
    super.processUpdates(context);

    if (!isRendered() || !isValid()) {
        return;//from   w  w w  .java  2  s  . c o m
    }

    javax.el.ValueExpression ve = getValueExpression(TEXT_ATTR);

    if (ve != null && !ve.isReadOnly(context.getELContext())) {
        ve.setValue(context.getELContext(), getText());
        setText(null);
    }

}

From source file:com.googlecode.jsfFlex.component.AbstractFlexUISelectedBase.java

@Override
public void processUpdates(FacesContext context) {
    super.processUpdates(context);

    if (!isRendered() || !isValid()) {
        return;/*from   www  .  j av a2s  .  c  o  m*/
    }

    javax.el.ValueExpression ve = getValueExpression(SELECTED_ATTR);

    if (ve != null && !ve.isReadOnly(context.getELContext())) {
        ve.setValue(context.getELContext(), getSelected());
        setSelected(null);
    }

}

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

@Override
public void processUpdates(FacesContext context) {
    super.processUpdates(context);

    if (!isRendered() || !isValid()) {
        return;//from  w  ww  .  jav  a 2  s  . c om
    }

    ValueExpression ve = getValueExpression(SELECTED_COLOR_ATTR);

    if (ve != null && !ve.isReadOnly(context.getELContext())) {
        ve.setValue(context.getELContext(), getSelectedColor());
        setSelectedColor(null);
    }

}

From source file:com.googlecode.jsfFlex.component.AbstractFlexUISelectedIndexBase.java

@Override
public void processUpdates(FacesContext context) {
    super.processUpdates(context);

    if (!isRendered() || !isValid()) {
        return;/*from w  w  w  . j a  v a2s.c o m*/
    }

    javax.el.ValueExpression ve = getValueExpression(SELECTED_INDEX_ATTR);

    if (ve != null && !ve.isReadOnly(context.getELContext())) {
        ve.setValue(context.getELContext(), getSelectedIndex());
        setSelectedIndex(null);
    }

}

From source file:com.googlecode.jsfFlex.component.AbstractFlexUIHtmlTextInputBase.java

@Override
public void processUpdates(FacesContext context) {
    super.processUpdates(context);

    if (!isRendered() || !isValid()) {
        return;/*from  w w  w.j av a 2 s.  c o m*/
    }

    javax.el.ValueExpression ve = getValueExpression(HTML_TEXT_ATTR);

    if (ve != null && !ve.isReadOnly(context.getELContext())) {
        ve.setValue(context.getELContext(), getHtmlText());
        setHtmlText(null);
    }

}

From source file:org.apache.myfaces.custom.aliasbean.Alias.java

/**
 * Deactivate this alias (ie remove the temporary name).
 *///  ww w .j  a  va  2s.  c o m
void remove(FacesContext facesContext) {
    _active = false;
    if (evaluatedExpression == null)
        return;

    evaluatedExpression = null;

    log.debug("removeAlias: " + _valueExpression + " != " + _aliasBeanExpression);
    ValueExpression aliasVB = _aliasComponent.getValueExpression("alias");
    if (aliasVB != null)
        aliasVB.setValue(facesContext.getELContext(), null);
}

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

@Override
public void processUpdates(FacesContext context) {
    super.processUpdates(context);

    if (!isRendered() || !isValid()) {
        return;//from   w  w w .  j  a v a2 s. c o m
    }

    javax.el.ValueExpression ve = getValueExpression(SELECTED_DATE_ATTR);

    if (ve != null && !ve.isReadOnly(context.getELContext())) {
        ve.setValue(context.getELContext(), getSelectedDate());
        setSelectedDate(null);
    }

}