AndOperator (JSP 2.0 Expression Language Implementation (Version 1.0))

java.lang.Object
- org.apache.commons.el.BinaryOperator
- - org.apache.commons.el.AndOperator

```
public class AndOperator
extends BinaryOperator
```
The implementation of the and operator

Version:

$Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: luehe $

Author:

Nathan Abramson - Art Technology Group

Field Summary

Fields
Modifier and Type Field Description

static AndOperator SINGLETON

Constructor Summary

Constructors
Constructor Description

AndOperator()
Constructor

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.Object`	`apply(java.lang.Object pLeft, java.lang.Object pRight, Logger pLogger)`	Applies the operator to the given value
`java.lang.String`	`getOperatorSymbol()`	Returns the symbol representing the operator
`boolean`	`shouldCoerceToBoolean()`	Returns true if the operator expects its arguments to be coerced to Booleans.
`boolean`	`shouldEvaluate(java.lang.Object pLeft)`	Returns true if evaluation is necessary given the specified Left value.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - SINGLETON
```
public static final AndOperator SINGLETON
```
- Constructor Detail
  - AndOperator
```
public AndOperator()
```
    Constructor
- Method Detail
  - getOperatorSymbol
```
public java.lang.String getOperatorSymbol()
```
    Returns the symbol representing the operator
    
    Specified by:
    
    getOperatorSymbol in class BinaryOperator
  - apply
```
public java.lang.Object apply(java.lang.Object pLeft,
                              java.lang.Object pRight,
                              Logger pLogger)
                       throws javax.servlet.jsp.el.ELException
```
    Applies the operator to the given value
    
    Specified by:
    
    apply in class BinaryOperator
    
    Throws:
    
    javax.servlet.jsp.el.ELException
  - shouldEvaluate
```
public boolean shouldEvaluate(java.lang.Object pLeft)
```
    Returns true if evaluation is necessary given the specified Left value. The And/OrOperators make use of this
    
    Overrides:
    
    shouldEvaluate in class BinaryOperator
  - shouldCoerceToBoolean
```
public boolean shouldCoerceToBoolean()
```
    Returns true if the operator expects its arguments to be coerced to Booleans. The And/Or operators set this to true.
    
    Overrides:
    
    shouldCoerceToBoolean in class BinaryOperator