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Groovy example source code file (CastExpression.java)

This example Groovy source code file (CastExpression.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

castexpression, castexpression, expression, expression, string, string

The Groovy CastExpression.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.expr;

import org.codehaus.groovy.ast.ClassNode;
import org.codehaus.groovy.ast.GroovyCodeVisitor;

/**
 * Represents a type cast expression
 * 
 * @author <a href="mailto:james@coredevelopers.net">James Strachan
 * @version $Revision: 7922 $
 */
public class CastExpression extends Expression {
    
    private final Expression expression;
    private boolean ignoreAutoboxing=false;
    private boolean coerce = false;

    public static CastExpression asExpression(ClassNode type, Expression expression) {
        CastExpression answer = new CastExpression(type, expression);
        answer.setCoerce(true);
        return answer;
    }

    public CastExpression(ClassNode type, Expression expression) {
        this(type,expression,false);
    }

    public CastExpression(ClassNode type, Expression expression, boolean ignoreAutoboxing) {
        super.setType(type);
        this.expression = expression;
        this.ignoreAutoboxing = ignoreAutoboxing;
    }
    
    public boolean isIgnoringAutoboxing(){
        return ignoreAutoboxing;
    }

    public boolean isCoerce() {
        return coerce;
    }

    public void setCoerce(boolean coerce) {
        this.coerce = coerce;
    }

    public String toString() {
        return super.toString() +"[(" + getType().getName() + ") " + expression + "]";
    }

    public void visit(GroovyCodeVisitor visitor) {
        visitor.visitCastExpression(this);
    }

    public Expression transformExpression(ExpressionTransformer transformer) {
        CastExpression ret =  new CastExpression(getType(), transformer.transform(expression));
        ret.setSourcePosition(this);
        ret.setCoerce(this.isCoerce());
        return ret;
    }
    
    public String getText() {
        return "(" + getType() + ") " + expression.getText();
    }
 
    public Expression getExpression() {
        return expression;
    }
    
    public void setType(ClassNode t) {
        super.setType(t);
    }

}

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