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Groovy example source code file (ConstructorNode.java)

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

Java - Groovy tags/keywords

classnode, constructorcallexpression, constructorcallexpression, constructornode, constructornode, expression, expressionstatement, expressionstatement, methodnode, parameter, statement, statement, variablescope

The Groovy ConstructorNode.java 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
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.codehaus.groovy.ast;

import org.codehaus.groovy.ast.expr.ConstructorCallExpression;
import org.codehaus.groovy.ast.expr.Expression;
import org.codehaus.groovy.ast.stmt.ExpressionStatement;
import org.codehaus.groovy.ast.stmt.Statement;


/**
 * Represents a constructor declaration
 * 
 * @author <a href="mailto:james@coredevelopers.net">James Strachan
 * @version $Revision: 15098 $
 */
public class ConstructorNode extends MethodNode {
    
    public ConstructorNode(int modifiers, Statement code) {
        this(modifiers, Parameter.EMPTY_ARRAY, ClassNode.EMPTY_ARRAY, code);
    }
    
    public ConstructorNode(int modifiers, Parameter[] parameters, ClassNode[] exceptions, Statement code) {
        super("<init>",modifiers,ClassHelper.VOID_TYPE,parameters,exceptions,code);
        
        // This variable scope is thrown out and replaced with a different one during semantic analysis.
        VariableScope scope = new VariableScope();
        for (int i = 0; i < parameters.length; i++) {
            scope.putDeclaredVariable(parameters[i]);
        }
        this.setVariableScope(scope);
    }
    
    public boolean firstStatementIsSpecialConstructorCall() {
        Statement code = getFirstStatement();
        if (code == null || !(code instanceof ExpressionStatement)) return false;

        Expression expression = ((ExpressionStatement) code).getExpression();
        if (!(expression instanceof ConstructorCallExpression)) return false;
        ConstructorCallExpression cce = (ConstructorCallExpression) expression;
        return cce.isSpecialCall();
    }

}

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