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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

classnode, expression, expression, fieldexpression, fieldexpression, fieldnode, fieldnode, string, string

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.expr;

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

 * Represents a field access such as the expression "".
 * @author <a href="">James Strachan
 * @version $Revision: 20953 $
public class FieldExpression extends Expression {

    private final FieldNode field;
    private boolean useRef;
    public FieldExpression(FieldNode field) {
        this.field = field;
    public void visit(GroovyCodeVisitor visitor) {

    public Expression transformExpression(ExpressionTransformer transformer) {
        return this;
    public String getFieldName() {
        return field.getName();

    public FieldNode getField() {
        return field;

    public String getText() {
        return "this." + field.getName();

    public boolean isDynamicTyped() {
        return field.isDynamicTyped();

    public void setType(ClassNode type) {
    public ClassNode getType() {
        return field.getType();
    public void setUseReferenceDirectly(boolean useRef) {
        this.useRef = useRef;        
    public boolean isUseReferenceDirectly() {
        return useRef;
    public String toString() {
        return "field("+getType()+" "+getFieldName()+")";

Other Groovy examples (source code examples)

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