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Groovy example source code file (

This example Groovy source code file ( is included in the "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Groovy tags/keywords

assertstatement, assertstatement, booleanexpression, booleanexpression, expression, expression, statement, statement

The Groovy source code

 * Copyright 2003-2007 the original author or authors.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.
package org.codehaus.groovy.ast.stmt;

import org.codehaus.groovy.ast.GroovyCodeVisitor;
import org.codehaus.groovy.ast.expr.BooleanExpression;
import org.codehaus.groovy.ast.expr.ConstantExpression;
import org.codehaus.groovy.ast.expr.Expression;

 * Represents an assert statement such as 
 * <code>
 * assert i != 0 : "should never be zero";
 * </code>
 * @author <a href="">James Strachan
 * @version $Revision: 6778 $
public class AssertStatement extends Statement {

    private BooleanExpression booleanExpression;
    private Expression messageExpression;
    public AssertStatement(BooleanExpression booleanExpression) {
        this(booleanExpression, ConstantExpression.NULL);
    public AssertStatement(BooleanExpression booleanExpression, Expression messageExpression) {
        this.booleanExpression = booleanExpression;
        this.messageExpression = messageExpression;
    public void visit(GroovyCodeVisitor visitor) {

    public Expression getMessageExpression() {
        return messageExpression;

    public BooleanExpression getBooleanExpression() {
        return booleanExpression;
    public void setBooleanExpression(BooleanExpression booleanExpression) {
        this.booleanExpression = booleanExpression;
    public void setMessageExpression(Expression messageExpression) {
        this.messageExpression = messageExpression;

Other Groovy examples (source code examples)

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