Example usage for javax.el ValueExpression getValue

Introduction

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

Prototype

public abstract Object getValue(ELContext context);

Source Link

Usage

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

private void computeEvaluatedExpression(FacesContext facesContext) {
    if (evaluatedExpression != null)
        return;//ww  w . j av  a2  s .  c  om

    ValueExpression valueVB = null;
    if (_valueExpression == null) {
        valueVB = _aliasComponent.getValueExpression("value");
        _valueExpression = valueVB.getExpressionString();
    }

    if (valueVB == null) {
        if (_valueExpression.startsWith("#{")) {
            valueVB = facesContext.getApplication().getExpressionFactory()
                    .createValueExpression(facesContext.getELContext(), _valueExpression, Object.class);
            evaluatedExpression = valueVB.getValue(facesContext.getELContext());
        } else {
            evaluatedExpression = _valueExpression;
        }
    } else {
        evaluatedExpression = valueVB.getValue(facesContext.getELContext());
    }
}

From source file:com.jsmartframework.web.manager.ExpressionHandler.java

private Object evaluateExpression(String expr) {
    if (expr == null) {
        return expr;
    }//from   ww w . ja v  a 2s.c o m

    String[] exprs = expr.split(Constants.EL_SEPARATOR, 2);
    if (exprs.length == 2 && WebText.containsResource(exprs[0])) {
        return WebText.getString(exprs[0], exprs[1]);
    }

    String jspExpr = String.format(Constants.JSP_EL, expr);

    ELContext context = WebContext.getPageContext().getELContext();
    ValueExpression valueExpr = WebContext.getExpressionFactory().createValueExpression(context, jspExpr,
            Object.class);
    Object obj = valueExpr.getValue(context);

    if (obj instanceof String) {
        String[] objs = obj.toString().split(Constants.EL_SEPARATOR, 2);
        if (objs.length == 2 && WebText.containsResource(objs[0])) {
            return WebText.getString(objs[0], objs[1]);
        }
    }
    return obj;
}

From source file:org.nuxeo.ecm.platform.ui.web.directory.ChainSelectBase.java

public String getStyle() {
    ValueExpression ve = getValueExpression("style");
    if (ve != null) {
        return (String) ve.getValue(FacesContext.getCurrentInstance().getELContext());
    } else {/*from  w  w  w. j a  v a 2 s .c o m*/
        return style;
    }
}

From source file:org.nuxeo.ecm.platform.ui.web.directory.ChainSelectBase.java

public String getDisplay() {
    ValueExpression ve = getValueExpression("display");
    if (ve != null) {
        return (String) ve.getValue(FacesContext.getCurrentInstance().getELContext());
    } else {//from   w ww.jav a2 s. co  m
        return display != null ? display : DISPLAY_LABEL;
    }
}

From source file:org.nuxeo.ecm.platform.ui.web.directory.ChainSelectBase.java

public String getReRender() {
    ValueExpression ve = getValueExpression("reRender");
    if (ve != null) {
        return (String) ve.getValue(FacesContext.getCurrentInstance().getELContext());
    } else {/*from   ww  w.ja  v  a  2 s.com*/
        return reRender;
    }
}

From source file:org.nuxeo.ecm.platform.ui.web.directory.ChainSelectBase.java

public String getStyleClass() {
    ValueExpression ve = getValueExpression("styleClass");
    if (ve != null) {
        return (String) ve.getValue(FacesContext.getCurrentInstance().getELContext());
    } else {/*  w  w w .j a  v a  2s  .  c  o  m*/
        return styleClass;
    }
}

From source file:org.nuxeo.ecm.platform.ui.web.directory.ChainSelectBase.java

public String getKeySeparator() {
    ValueExpression ve = getValueExpression("keySeparator");
    if (ve != null) {
        return (String) ve.getValue(FacesContext.getCurrentInstance().getELContext());
    } else {/*from  w  w  w .  j  a  v a2s.co  m*/
        return keySeparator;
    }
}

From source file:org.nuxeo.ecm.platform.ui.web.directory.ChainSelectBase.java

public int getListboxSize() {
    ValueExpression ve = getValueExpression("listboxSize");
    if (ve != null) {
        return (Integer) ve.getValue(FacesContext.getCurrentInstance().getELContext());
    } else {/*from  www  .j  a  va 2  s. com*/
        return listboxSize;
    }
}

From source file:org.nuxeo.ecm.platform.ui.web.directory.ChainSelectBase.java

public int getDepth() {
    int myDepth;/* w ww . j  a  va2  s  .  c o  m*/
    ValueExpression ve = getValueExpression("depth");
    if (ve != null) {
        myDepth = (Integer) ve.getValue(FacesContext.getCurrentInstance().getELContext());
    } else {
        myDepth = depth;
    }

    return myDepth != 0 ? myDepth : getDirectories().length;
}

From source file:org.nuxeo.ecm.platform.ui.web.directory.ChainSelectBase.java

public boolean getShowObsolete() {
    ValueExpression ve = getValueExpression("showObsolete");
    if (ve != null) {
        return (Boolean) ve.getValue(FacesContext.getCurrentInstance().getELContext());
    } else {//from   w w w .  java  2 s  .  co  m
        return showObsolete;
    }
}