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SpEL expression supports logical operators like AND, OR and NOT.
Following example shows the various use cases.
Example
Let”s update the project created in Spring SpEL – Create Project chapter. We”re adding/updating following files −
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MainApp.java − Main application to run and test.
Here is the content of MainApp.java file −
package com.tutorialspoint; import java.text.ParseException; import java.util.HashMap; import java.util.Map; import org.springframework.expression.EvaluationContext; import org.springframework.expression.ExpressionParser; import org.springframework.expression.spel.standard.SpelExpressionParser; import org.springframework.expression.spel.support.StandardEvaluationContext; public class MainApp { public static void main(String[] args) throws ParseException { ExpressionParser parser = new SpelExpressionParser(); // evaluates to true boolean result = parser.parseExpression("true and true").getValue(Boolean.class); System.out.println(result); // evaluates to true result = parser.parseExpression("true or false").getValue(Boolean.class); System.out.println(result); // evaluates to false result = parser.parseExpression("!true").getValue(Boolean.class); System.out.println(result); } }
Output
true true false
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