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The core functionality of the CodeModel java source code generation library
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 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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package com.sun.codemodel;

import java.util.ArrayList;
import java.util.List;
import java.util.Collection;
import java.util.Collections;
import java.lang.annotation.Annotation;

/**
 * Enum Constant.
 *
 * When used as an {@link JExpression}, this object represents a reference to the enum constant.
 *
 * @author
 *     Bhakti Mehta ([email protected])
 */
public final class JEnumConstant extends JExpressionImpl implements JDeclaration, JAnnotatable, JDocCommentable {

    /**
     * The constant.
     */
    private final String name;
    /**
     * The enum class.
     */
    private final JDefinedClass type;
    /**
     * javadoc comments, if any.
     */
    private JDocComment jdoc = null;

    /**
     * Annotations on this variable. Lazily created.
     */
    private List annotations = null;


    /**
     * List of the constructor argument expressions.
     * Lazily constructed.
     */
    private List args = null;

    JEnumConstant(JDefinedClass type,String name) {
        this.name = name;
        this.type = type;
    }

    /**
     *  Add an expression to this constructor's argument list
     *
     * @param arg
     *        Argument to add to argument list
     */
    public JEnumConstant arg(JExpression arg) {
        if(arg==null)   throw new IllegalArgumentException();
        if(args==null)
            args = new ArrayList();
        args.add(arg);
        return this;
    }

    /**
     * Returns the name of this constant.
     *
     * @return never null.
     */
    public String getName() {
    	return this.type.fullName().concat(".").concat(this.name);
    }

    /**
     * Creates, if necessary, and returns the enum constant javadoc.
     *
     * @return JDocComment containing javadocs for this constant.
     */
    public JDocComment javadoc() {
        if (jdoc == null)
            jdoc = new JDocComment(type.owner());
        return jdoc;
    }

    /**
     * Adds an annotation to this variable.
     * @param clazz
     *          The annotation class to annotate the field with
     */
    public JAnnotationUse annotate(JClass clazz){
        if(annotations==null)
           annotations = new ArrayList();
        JAnnotationUse a = new JAnnotationUse(clazz);
        annotations.add(a);
        return a;
    }

    /**
     * Adds an annotation to this variable.
     *
     * @param clazz
     *          The annotation class to annotate the field with
     */
    public JAnnotationUse annotate(Class  clazz){
        return annotate(type.owner().ref(clazz));
    }

    public  W annotate2(Class clazz) {
        return TypedAnnotationWriter.create(clazz,this);
    }

    /**
     * {@link JAnnotatable#annotations()}
     */
    public Collection annotations() {
        if (annotations == null)
            annotations = new ArrayList();
        return Collections.unmodifiableList(annotations);
    }

    public void declare(JFormatter f) {
        if( jdoc != null )
            f.nl().g( jdoc );
        if (annotations != null) {
            for( int i=0; i