Java 类javax.el.ValueReference 实例源码

项目：tomcat7 文件：AstIdentifier.java

@Override
public ValueReference getValueReference(EvaluationContext ctx) {
    VariableMapper varMapper = ctx.getVariableMapper();

    if (varMapper == null) {
        return null;
    }

    ValueExpression expr = varMapper.resolveVariable(this.image);

    if (expr == null) {
        return null;
    }

    return expr.getValueReference(ctx);
}

项目：tomcat7 文件：TestValueExpressionImpl.java

@Test
public void testGetValueReference() {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl();

    TesterBeanB beanB = new TesterBeanB();
    beanB.setName("Tomcat");
    ValueExpression var =
        factory.createValueExpression(beanB, TesterBeanB.class);
    context.getVariableMapper().setVariable("beanB", var);

    ValueExpression ve = factory.createValueExpression(
            context, "${beanB.name}", String.class);

    // First check the basics work
    String result = (String) ve.getValue(context);
    assertEquals("Tomcat", result);

    // Now check the value reference
    ValueReference vr = ve.getValueReference(context);
    assertNotNull(vr);

    assertEquals(beanB, vr.getBase());
    assertEquals("name", vr.getProperty());
}

项目：apache-tomcat-7.0.73-with-comment 文件：AstIdentifier.java

@Override
public ValueReference getValueReference(EvaluationContext ctx) {
    VariableMapper varMapper = ctx.getVariableMapper();

    if (varMapper == null) {
        return null;
    }

    ValueExpression expr = varMapper.resolveVariable(this.image);

    if (expr == null) {
        return null;
    }

    return expr.getValueReference(ctx);
}

项目：apache-tomcat-7.0.73-with-comment 文件：TestValueExpressionImpl.java

@Test
public void testGetValueReference() {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl();

    TesterBeanB beanB = new TesterBeanB();
    beanB.setName("Tomcat");
    ValueExpression var =
        factory.createValueExpression(beanB, TesterBeanB.class);
    context.getVariableMapper().setVariable("beanB", var);

    ValueExpression ve = factory.createValueExpression(
            context, "${beanB.name}", String.class);

    // First check the basics work
    String result = (String) ve.getValue(context);
    assertEquals("Tomcat", result);

    // Now check the value reference
    ValueReference vr = ve.getValueReference(context);
    assertNotNull(vr);

    assertEquals(beanB, vr.getBase());
    assertEquals("name", vr.getProperty());
}

项目：lazycat 文件：AstIdentifier.java

@Override
public ValueReference getValueReference(EvaluationContext ctx) {
    VariableMapper varMapper = ctx.getVariableMapper();

    if (varMapper == null) {
        return null;
    }

    ValueExpression expr = varMapper.resolveVariable(this.image);

    if (expr == null) {
        return null;
    }

    return expr.getValueReference(ctx);
}

项目：class-guard 文件：AstIdentifier.java

@Override
public ValueReference getValueReference(EvaluationContext ctx) {
    VariableMapper varMapper = ctx.getVariableMapper();

    if (varMapper == null) {
        return null;
    }

    ValueExpression expr = varMapper.resolveVariable(this.image);

    if (expr == null) {
        return null;
    }

    return expr.getValueReference(ctx);
}

项目：class-guard 文件：TestValueExpressionImpl.java

@Test
public void testGetValueReference() {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl();

    TesterBeanB beanB = new TesterBeanB();
    beanB.setName("Tomcat");
    ValueExpression var =
        factory.createValueExpression(beanB, TesterBeanB.class);
    context.getVariableMapper().setVariable("beanB", var);

    ValueExpression ve = factory.createValueExpression(
            context, "${beanB.name}", String.class);

    // First check the basics work
    String result = (String) ve.getValue(context);
    assertEquals("Tomcat", result);

    // Now check the value reference
    ValueReference vr = ve.getValueReference(context);
    assertNotNull(vr);

    assertEquals(beanB, vr.getBase());
    assertEquals("name", vr.getProperty());
}

项目：apache-tomcat-7.0.57 文件：AstIdentifier.java

@Override
public ValueReference getValueReference(EvaluationContext ctx) {
    VariableMapper varMapper = ctx.getVariableMapper();

    if (varMapper == null) {
        return null;
    }

    ValueExpression expr = varMapper.resolveVariable(this.image);

    if (expr == null) {
        return null;
    }

    return expr.getValueReference(ctx);
}

项目：apache-tomcat-7.0.57 文件：TestValueExpressionImpl.java

@Test
public void testGetValueReference() {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl();

    TesterBeanB beanB = new TesterBeanB();
    beanB.setName("Tomcat");
    ValueExpression var =
        factory.createValueExpression(beanB, TesterBeanB.class);
    context.getVariableMapper().setVariable("beanB", var);

    ValueExpression ve = factory.createValueExpression(
            context, "${beanB.name}", String.class);

    // First check the basics work
    String result = (String) ve.getValue(context);
    assertEquals("Tomcat", result);

    // Now check the value reference
    ValueReference vr = ve.getValueReference(context);
    assertNotNull(vr);

    assertEquals(beanB, vr.getBase());
    assertEquals("name", vr.getProperty());
}

项目：apache-tomcat-7.0.57 文件：TestValueExpressionImpl.java

@Test
public void testGetValueReference() {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl();

    TesterBeanB beanB = new TesterBeanB();
    beanB.setName("Tomcat");
    ValueExpression var =
        factory.createValueExpression(beanB, TesterBeanB.class);
    context.getVariableMapper().setVariable("beanB", var);

    ValueExpression ve = factory.createValueExpression(
            context, "${beanB.name}", String.class);

    // First check the basics work
    String result = (String) ve.getValue(context);
    assertEquals("Tomcat", result);

    // Now check the value reference
    ValueReference vr = ve.getValueReference(context);
    assertNotNull(vr);

    assertEquals(beanB, vr.getBase());
    assertEquals("name", vr.getProperty());
}

项目：apache-tomcat-7.0.57 文件：AstIdentifier.java

@Override
public ValueReference getValueReference(EvaluationContext ctx) {
    VariableMapper varMapper = ctx.getVariableMapper();

    if (varMapper == null) {
        return null;
    }

    ValueExpression expr = varMapper.resolveVariable(this.image);

    if (expr == null) {
        return null;
    }

    return expr.getValueReference(ctx);
}

项目：oxCore 文件：ValueExpressionAnalyzer.java

public ValueReference getValueReference(ELContext elContext) {
    InterceptingResolver resolver = new InterceptingResolver(elContext.getELResolver());
    try {
        expression.setValue(decorateELContext(elContext, resolver), null);
    } catch (ELException ele) {
        return null;
    }
    ValueReference reference = resolver.getValueReference();
    if (reference != null) {
        Object base = reference.getBase();
        if (base instanceof CompositeComponentExpressionHolder) {
            ValueExpression ve = ((CompositeComponentExpressionHolder) base)
                    .getExpression((String) reference.getProperty());
            if (ve != null) {
                this.expression = ve;
                reference = getValueReference(elContext);
            }
        }
    }
    return reference;
}

项目：WBSAirback 文件：TestValueExpressionImpl.java

@Test
public void testGetValueReference() {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl();

    TesterBeanB beanB = new TesterBeanB();
    beanB.setName("Tomcat");
    ValueExpression var =
        factory.createValueExpression(beanB, TesterBeanB.class);
    context.getVariableMapper().setVariable("beanB", var);

    ValueExpression ve = factory.createValueExpression(
            context, "${beanB.name}", String.class);

    // First check the basics work
    String result = (String) ve.getValue(context);
    assertEquals("Tomcat", result);

    // Now check the value reference
    ValueReference vr = ve.getValueReference(context);
    assertNotNull(vr);

    assertEquals(beanB, vr.getBase());
    assertEquals("name", vr.getProperty());
}

项目：tomcat7 文件：AstValue.java

/**
 * @since EL 2.2
 */
@Override
public ValueReference getValueReference(EvaluationContext ctx) {
    // Check this is a reference to a base and a property
    if (this.children.length > 2 &&
            this.jjtGetChild(2) instanceof AstMethodParameters) {
        // This is a method call
        return null;
    }
    Target t = getTarget(ctx);
    return new ValueReference(t.base, t.property);
}

项目：tomcat7 文件：ValueExpressionImpl.java

/**
 * @since EL 2.2
 */
@Override
public ValueReference getValueReference(ELContext context) {
    EvaluationContext ctx = new EvaluationContext(context, this.fnMapper,
            this.varMapper);
    return this.getNode().getValueReference(ctx);
}

项目：tomcat7 文件：TestValueExpressionImpl.java

@Test
public void testGetValueReferenceVariable() {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl();

    TesterBeanB beanB = new TesterBeanB();
    beanB.setName("Tomcat");
    ValueExpression var =
        factory.createValueExpression(beanB, TesterBeanB.class);
    context.getVariableMapper().setVariable("beanB", var);

    ValueExpression var2 = factory.createValueExpression(
            context, "${beanB.name}", String.class);

    context.getVariableMapper().setVariable("foo", var2);

    ValueExpression ve = factory.createValueExpression(
            context, "${foo}", ValueExpression.class);


    // Now check the value reference
    ValueReference vr = ve.getValueReference(context);
    assertNotNull(vr);

    assertEquals(beanB, vr.getBase());
    assertEquals("name", vr.getProperty());
}

项目：tomcat7 文件：TestValueExpressionImpl.java

@Test
public void testBug49345() {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl();

    TesterBeanA beanA = new TesterBeanA();
    TesterBeanB beanB = new TesterBeanB();
    beanB.setName("Tomcat");
    beanA.setBean(beanB);

    ValueExpression var =
        factory.createValueExpression(beanA, TesterBeanA.class);
    context.getVariableMapper().setVariable("beanA", var);

    ValueExpression ve = factory.createValueExpression(
            context, "${beanA.bean.name}", String.class);

    // First check the basics work
    String result = (String) ve.getValue(context);
    assertEquals("Tomcat", result);

    // Now check the value reference
    ValueReference vr = ve.getValueReference(context);
    assertNotNull(vr);

    assertEquals(beanB, vr.getBase());
    assertEquals("name", vr.getProperty());
}

项目：apache-tomcat-7.0.73-with-comment 文件：AstValue.java

/**
 * @since EL 2.2
 */
@Override
public ValueReference getValueReference(EvaluationContext ctx) {
    // Check this is a reference to a base and a property
    if (this.children.length > 2 &&
            this.jjtGetChild(2) instanceof AstMethodParameters) {
        // This is a method call
        return null;
    }
    Target t = getTarget(ctx);
    return new ValueReference(t.base, t.property);
}

项目：apache-tomcat-7.0.73-with-comment 文件：ValueExpressionImpl.java

/**
 * @since EL 2.2
 */
@Override
public ValueReference getValueReference(ELContext context) {
    EvaluationContext ctx = new EvaluationContext(context, this.fnMapper,
            this.varMapper);
    return this.getNode().getValueReference(ctx);
}

项目：apache-tomcat-7.0.73-with-comment 文件：TestValueExpressionImpl.java

@Test
public void testGetValueReferenceVariable() {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl();

    TesterBeanB beanB = new TesterBeanB();
    beanB.setName("Tomcat");
    ValueExpression var =
        factory.createValueExpression(beanB, TesterBeanB.class);
    context.getVariableMapper().setVariable("beanB", var);

    ValueExpression var2 = factory.createValueExpression(
            context, "${beanB.name}", String.class);

    context.getVariableMapper().setVariable("foo", var2);

    ValueExpression ve = factory.createValueExpression(
            context, "${foo}", ValueExpression.class);


    // Now check the value reference
    ValueReference vr = ve.getValueReference(context);
    assertNotNull(vr);

    assertEquals(beanB, vr.getBase());
    assertEquals("name", vr.getProperty());
}

项目：apache-tomcat-7.0.73-with-comment 文件：TestValueExpressionImpl.java

@Test
public void testBug49345() {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl();

    TesterBeanA beanA = new TesterBeanA();
    TesterBeanB beanB = new TesterBeanB();
    beanB.setName("Tomcat");
    beanA.setBean(beanB);

    ValueExpression var =
        factory.createValueExpression(beanA, TesterBeanA.class);
    context.getVariableMapper().setVariable("beanA", var);

    ValueExpression ve = factory.createValueExpression(
            context, "${beanA.bean.name}", String.class);

    // First check the basics work
    String result = (String) ve.getValue(context);
    assertEquals("Tomcat", result);

    // Now check the value reference
    ValueReference vr = ve.getValueReference(context);
    assertNotNull(vr);

    assertEquals(beanB, vr.getBase());
    assertEquals("name", vr.getProperty());
}

项目：lazycat 文件：AstValue.java

/**
 * @since EL 2.2
 */
@Override
public ValueReference getValueReference(EvaluationContext ctx) {
    // Check this is a reference to a base and a property
    if (this.children.length > 2 && this.jjtGetChild(2) instanceof AstMethodParameters) {
        // This is a method call
        return null;
    }
    Target t = getTarget(ctx);
    return new ValueReference(t.base, t.property);
}

项目：BootsFaces-OSP 文件：ELTools.java

/**
 * Which annotations are given to an object described by an EL expression?
 *
 * @param p_expression
 *            EL expression of the JSF bean attribute
 * @return null if there are no annotations, or if they cannot be accessed
 */
public static Annotation[] readAnnotations(ValueExpression p_expression, UIComponent p_component) {
    FacesContext context = FacesContext.getCurrentInstance();
    ELContext elContext = context.getELContext();
    try {
        ValueReference valueReference = p_expression.getValueReference(elContext);
        Object base;
        if (null == valueReference) {
            base = evaluteBaseForMojarra(elContext, p_expression);
        } else {
            base = valueReference.getBase();
        }
        if (null == base) {
            return null;
        }
        Field declaredField = getField(base, p_expression.getExpressionString());
        if (null != declaredField) {
            return declaredField.getAnnotations();
        }
        Method getter = getGetter(base, p_expression.getExpressionString());
        if (null != getter) {
            return getter.getAnnotations();
        }
    } catch (PropertyNotFoundException ex) {
        // this happens if a bean is null. That's a legal state, so suffice it to return no annotation.
    }
    return null;
}

项目：class-guard 文件：AstValue.java

/**
 * @since EL 2.2
 */
@Override
public ValueReference getValueReference(EvaluationContext ctx) {
    // Check this is a reference to a base and a property
    if (this.children.length > 2 &&
            this.jjtGetChild(2) instanceof AstMethodParameters) {
        // This is a method call
        return null;
    }
    Target t = getTarget(ctx);
    return new ValueReference(t.base, t.property);
}

项目：class-guard 文件：ValueExpressionImpl.java

/**
 * @since EL 2.2
 */
@Override
public ValueReference getValueReference(ELContext context) {
    EvaluationContext ctx = new EvaluationContext(context, this.fnMapper,
            this.varMapper);
    return this.getNode().getValueReference(ctx);
}

项目：class-guard 文件：TestValueExpressionImpl.java

@Test
public void testGetValueReferenceVariable() {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl();

    TesterBeanB beanB = new TesterBeanB();
    beanB.setName("Tomcat");
    ValueExpression var =
        factory.createValueExpression(beanB, TesterBeanB.class);
    context.getVariableMapper().setVariable("beanB", var);

    ValueExpression var2 = factory.createValueExpression(
            context, "${beanB.name}", String.class);

    context.getVariableMapper().setVariable("foo", var2);

    ValueExpression ve = factory.createValueExpression(
            context, "${foo}", ValueExpression.class);


    // Now check the value reference
    ValueReference vr = ve.getValueReference(context);
    assertNotNull(vr);

    assertEquals(beanB, vr.getBase());
    assertEquals("name", vr.getProperty());
}

项目：class-guard 文件：TestValueExpressionImpl.java

@Test
public void testBug49345() {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl();

    TesterBeanA beanA = new TesterBeanA();
    TesterBeanB beanB = new TesterBeanB();
    beanB.setName("Tomcat");
    beanA.setBean(beanB);

    ValueExpression var =
        factory.createValueExpression(beanA, TesterBeanA.class);
    context.getVariableMapper().setVariable("beanA", var);

    ValueExpression ve = factory.createValueExpression(
            context, "${beanA.bean.name}", String.class);

    // First check the basics work
    String result = (String) ve.getValue(context);
    assertEquals("Tomcat", result);

    // Now check the value reference
    ValueReference vr = ve.getValueReference(context);
    assertNotNull(vr);

    assertEquals(beanB, vr.getBase());
    assertEquals("name", vr.getProperty());
}

项目：apache-tomcat-7.0.57 文件：AstValue.java

/**
 * @since EL 2.2
 */
@Override
public ValueReference getValueReference(EvaluationContext ctx) {
    // Check this is a reference to a base and a property
    if (this.children.length > 2 &&
            this.jjtGetChild(2) instanceof AstMethodParameters) {
        // This is a method call
        return null;
    }
    Target t = getTarget(ctx);
    return new ValueReference(t.base, t.property);
}

项目：apache-tomcat-7.0.57 文件：ValueExpressionImpl.java

/**
 * @since EL 2.2
 */
@Override
public ValueReference getValueReference(ELContext context) {
    EvaluationContext ctx = new EvaluationContext(context, this.fnMapper,
            this.varMapper);
    return this.getNode().getValueReference(ctx);
}

项目：apache-tomcat-7.0.57 文件：TestValueExpressionImpl.java

@Test
public void testGetValueReferenceVariable() {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl();

    TesterBeanB beanB = new TesterBeanB();
    beanB.setName("Tomcat");
    ValueExpression var =
        factory.createValueExpression(beanB, TesterBeanB.class);
    context.getVariableMapper().setVariable("beanB", var);

    ValueExpression var2 = factory.createValueExpression(
            context, "${beanB.name}", String.class);

    context.getVariableMapper().setVariable("foo", var2);

    ValueExpression ve = factory.createValueExpression(
            context, "${foo}", ValueExpression.class);


    // Now check the value reference
    ValueReference vr = ve.getValueReference(context);
    assertNotNull(vr);

    assertEquals(beanB, vr.getBase());
    assertEquals("name", vr.getProperty());
}

项目：apache-tomcat-7.0.57 文件：TestValueExpressionImpl.java

@Test
public void testBug49345() {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl();

    TesterBeanA beanA = new TesterBeanA();
    TesterBeanB beanB = new TesterBeanB();
    beanB.setName("Tomcat");
    beanA.setBean(beanB);

    ValueExpression var =
        factory.createValueExpression(beanA, TesterBeanA.class);
    context.getVariableMapper().setVariable("beanA", var);

    ValueExpression ve = factory.createValueExpression(
            context, "${beanA.bean.name}", String.class);

    // First check the basics work
    String result = (String) ve.getValue(context);
    assertEquals("Tomcat", result);

    // Now check the value reference
    ValueReference vr = ve.getValueReference(context);
    assertNotNull(vr);

    assertEquals(beanB, vr.getBase());
    assertEquals("name", vr.getProperty());
}

项目：apache-tomcat-7.0.57 文件：TestValueExpressionImpl.java

@Test
public void testGetValueReferenceVariable() {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl();

    TesterBeanB beanB = new TesterBeanB();
    beanB.setName("Tomcat");
    ValueExpression var =
        factory.createValueExpression(beanB, TesterBeanB.class);
    context.getVariableMapper().setVariable("beanB", var);

    ValueExpression var2 = factory.createValueExpression(
            context, "${beanB.name}", String.class);

    context.getVariableMapper().setVariable("foo", var2);

    ValueExpression ve = factory.createValueExpression(
            context, "${foo}", ValueExpression.class);


    // Now check the value reference
    ValueReference vr = ve.getValueReference(context);
    assertNotNull(vr);

    assertEquals(beanB, vr.getBase());
    assertEquals("name", vr.getProperty());
}

项目：apache-tomcat-7.0.57 文件：TestValueExpressionImpl.java

@Test
public void testBug49345() {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl();

    TesterBeanA beanA = new TesterBeanA();
    TesterBeanB beanB = new TesterBeanB();
    beanB.setName("Tomcat");
    beanA.setBean(beanB);

    ValueExpression var =
        factory.createValueExpression(beanA, TesterBeanA.class);
    context.getVariableMapper().setVariable("beanA", var);

    ValueExpression ve = factory.createValueExpression(
            context, "${beanA.bean.name}", String.class);

    // First check the basics work
    String result = (String) ve.getValue(context);
    assertEquals("Tomcat", result);

    // Now check the value reference
    ValueReference vr = ve.getValueReference(context);
    assertNotNull(vr);

    assertEquals(beanB, vr.getBase());
    assertEquals("name", vr.getProperty());
}

项目：apache-tomcat-7.0.57 文件：AstValue.java

/**
 * @since EL 2.2
 */
@Override
public ValueReference getValueReference(EvaluationContext ctx) {
    // Check this is a reference to a base and a property
    if (this.children.length > 2 &&
            this.jjtGetChild(2) instanceof AstMethodParameters) {
        // This is a method call
        return null;
    }
    Target t = getTarget(ctx);
    return new ValueReference(t.base, t.property);
}

项目：apache-tomcat-7.0.57 文件：ValueExpressionImpl.java

/**
 * @since EL 2.2
 */
@Override
public ValueReference getValueReference(ELContext context) {
    EvaluationContext ctx = new EvaluationContext(context, this.fnMapper,
            this.varMapper);
    return this.getNode().getValueReference(ctx);
}

项目：oxCore 文件：ValueExpressionAnalyzer.java

@Override
public void setValue(ELContext context, Object base, Object property, Object value) {
    if (base != null && property != null) {
        context.setPropertyResolved(true);
        valueReference = new ValueReference(base, property.toString());
    }
}

项目：WBSAirback 文件：AstValue.java

/**
 * @since EL 2.2
 */
@Override
public ValueReference getValueReference(EvaluationContext ctx) {
    // Check this is a reference to a base and a property
    if (this.children.length > 2 &&
            this.jjtGetChild(2) instanceof AstMethodParameters) {
        // This is a method call
        return null;
    }
    Target t = getTarget(ctx);
    return new ValueReference(t.base, t.property);
}

项目：WBSAirback 文件：ValueExpressionImpl.java

/**
 * @since EL 2.2
 */
@Override
public ValueReference getValueReference(ELContext context) {
    EvaluationContext ctx = new EvaluationContext(context, this.fnMapper,
            this.varMapper);
    return this.getNode().getValueReference(ctx);
}

项目：WBSAirback 文件：TestValueExpressionImpl.java

@Test
public void testBug49345() {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl();

    TesterBeanA beanA = new TesterBeanA();
    TesterBeanB beanB = new TesterBeanB();
    beanB.setName("Tomcat");
    beanA.setBean(beanB);

    ValueExpression var =
        factory.createValueExpression(beanA, TesterBeanA.class);
    context.getVariableMapper().setVariable("beanA", var);

    ValueExpression ve = factory.createValueExpression(
            context, "${beanA.bean.name}", String.class);

    // First check the basics work
    String result = (String) ve.getValue(context);
    assertEquals("Tomcat", result);

    // Now check the value reference
    ValueReference vr = ve.getValueReference(context);
    assertNotNull(vr);

    assertEquals(beanB, vr.getBase());
    assertEquals("name", vr.getProperty());
}

项目：tomcat7 文件：SimpleNode.java

/**
 * @since EL 2.2
 */
@Override
public ValueReference getValueReference(EvaluationContext ctx) {
    return null;
}