BE THE CODER > Spring > Expression Language

The Spring Expression Language (SpEL) is a simple and powerful expression language which helps to query and manipulate objects at runtime. The following example shows accessing static properties using T operator.

File Name :	com/bethecoder/tutorials/spring3/tests/spel/StaticPropertiesTest.java
Author :	Sudhakar KV
Email :	[email protected]


package com.bethecoder.tutorials.spring3.tests.spel;



import org.springframework.expression.ExpressionParser;

import org.springframework.expression.spel.standard.SpelExpressionParser;



public class StaticPropertiesTest {



  /**

   * @param args

   */

  public static void main(String[] args) {



    ExpressionParser parser = new SpelExpressionParser();

    

    //Accessing Static Properties

    int maxValue = parser.parseExpression("T(Integer).MAX_VALUE").getValue(Integer.class);

    System.out.println("Int max value : " + maxValue);



    int minValue = parser.parseExpression("T(Integer).MIN_VALUE").getValue(Integer.class);

    System.out.println("Int min value : " + minValue);



    double piValue = parser.parseExpression("T(Math).PI").getValue(Double.class);

    System.out.println("PI value : " + piValue);

    

  }

}