SPEL : Comparing Values

Compare.java

package com.lnn.spel.compare;

public class Compare {

      private boolean equal;

      private boolean equalExp;

      private boolean lessThanExp;

      private boolean greaterThan;

      private boolean greaterThanExp;

      private boolean lessThanEqualsExp;

      private boolean greaterThanEquals;

      private boolean greaterThanEqualsExp;

      public boolean isEqual() {

            return equal;

      }

      public void setEqual(boolean equal) {

            this.equal = equal;

      }

      public boolean isEqualExp() {

            return equalExp;

      }

      public void setEqualExp(boolean equalExp) {

            this.equalExp = equalExp;

      }

      public boolean isLessThanExp() {

            return lessThanExp;

      }

      public void setLessThanExp(boolean lessThanExp) {

            this.lessThanExp = lessThanExp;

      }

      public boolean isGreaterThan() {

            return greaterThan;

      }

      public void setGreaterThan(boolean greaterThan) {

            this.greaterThan = greaterThan;

      }

      public boolean isGreaterThanExp() {

            return greaterThanExp;

      }

      public void setGreaterThanExp(boolean greaterThanExp) {

            this.greaterThanExp = greaterThanExp;

      }

      public boolean isLessThanEqualsExp() {

            return lessThanEqualsExp;

      }

      public void setLessThanEqualsExp(boolean lessThanEqualsExp) {

            this.lessThanEqualsExp = lessThanEqualsExp;

      }

      public boolean isGreaterThanEquals() {

            return greaterThanEquals;

      }

      public void setGreaterThanEquals(boolean greaterThanEquals) {

            this.greaterThanEquals = greaterThanEquals;

      }

      public boolean isGreaterThanEqualsExp() {

            return greaterThanEqualsExp;

      }

      public void setGreaterThanEqualsExp(boolean greaterThanEqualsExp) {

            this.greaterThanEqualsExp = greaterThanEqualsExp;

      }

}

compare.xml:

<beans xmlns="http://www.springframework.org/schema/beans"

      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

      xsi:schemaLocation="http://www.springframework.org/schema/beans

      http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">

      <bean id="compare" class = "com.lnn.spel.compare.Compare">

            <property name="equal" value="#{3==3}"/>

            <property name="equalExp" value="#{3 eq 3}"/>

            <property name="lessThanExp" value="#{3 lt 4}"/>

            <property name="lessThanEqualsExp" value="#{3 le 4}"/>

            <property name="greaterThan" value="#{4 > 3}"/>

            <property name="greaterThanExp" value="#{4 gt 3}"/>

            <property name="greaterThanEquals" value="#{4 >= 3}"/>

            <property name="greaterThanEqualsExp" value="#{4 ge 3}"/>

      </bean> 

</beans>

Test.java:

package com.lnn.spel.compare;

import org.springframework.context.ApplicationContext;

import org.springframework.context.support.ClassPathXmlApplicationContext;

public class Test {

      public static void main(String[] args) {

            ApplicationContext context = new ClassPathXmlApplicationContext("compare.xml");

            Compare compare = context.getBean("compare", Compare.class);

            System.out.println(compare.isEqual());

            System.out.println(compare.isEqualExp());

            System.out.println(compare.isGreaterThan());

            System.out.println(compare.isGreaterThanExp());

            System.out.println(compare.isGreaterThanEquals());

            System.out.println(compare.isGreaterThanEqualsExp());

            System.out.println(compare.isLessThanExp());

            System.out.println(compare.isLessThanEqualsExp());

      }

}