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 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * 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
 * or packager/legal/LICENSE.txt.  See the License for the specific
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 * GPL Classpath Exception:
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 * Modifications:
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 */

package com.sun.codemodel;

import java.util.Iterator;

/**
 * The common aspect of a package and a class.
 */
public interface JClassContainer {
    
    /**
     * Returns true if the container is a class.
     */
    boolean isClass();
    /**
     * Returns true if the container is a package.
     */
    boolean isPackage();
    
    /**
     * Add a new class to this package/class.
     *
     * @param mods
     *        Modifiers for this class declaration
     *
     * @param name
     *        Name of class to be added to this package
     *
     * @return Newly generated class
     * 
     * @exception JClassAlreadyExistsException
     *      When the specified class/interface was already created.
     */
    JDefinedClass _class(int mods, String name) throws JClassAlreadyExistsException;
    
    /**
     * Add a new public class to this class/package.
     * 
     * @exception JClassAlreadyExistsException
     *      When the specified class/interface was already created.
     */
    public JDefinedClass _class(String name) throws JClassAlreadyExistsException;

    /**
     * Add an interface to this class/package.
     *
     * @param mods
     *        Modifiers for this interface declaration
     *
     * @param name
     *        Name of interface to be added to this package
     *
     * @return Newly generated interface
     * 
     * @exception JClassAlreadyExistsException
     *      When the specified class/interface was already created.
     */
    public JDefinedClass _interface(int mods, String name) throws JClassAlreadyExistsException;

    /**
     * Adds a public interface to this package.
     * 
     * @exception JClassAlreadyExistsException
     *      When the specified class/interface was already created.
     */
    public JDefinedClass _interface(String name) throws JClassAlreadyExistsException;

    /**
     * Create a new class or a new interface.
     *
     * @deprecated
     *      use {@link #_class(int, String, ClassType)} 
     */
    public JDefinedClass _class(int mods, String name, boolean isInterface )
        throws JClassAlreadyExistsException;

    /**
     * Creates a new class/enum/interface/annotation.
     */
    public JDefinedClass _class(int mods, String name, ClassType kind )
        throws JClassAlreadyExistsException;


    /**
     * Returns an iterator that walks the nested classes defined in this
     * class.
     */
    public Iterator<JDefinedClass> classes();
    
    /**
     * Parent JClassContainer.
     * 
     * If this is a package, this method returns a parent package,
     * or null if this package is the root package.
     * 
     * If this is an outer-most class, this method returns a package
     * to which it belongs.
     * 
     * If this is an inner class, this method returns the outer
     * class.
     */
    public JClassContainer parentContainer();

    /**
     * Gets the nearest package parent.
     *
     * <p>
     * If {@code this.isPackage()}, then return {@code this}.
     */
    public JPackage getPackage();

    /**
     * Get the root code model object.
     */
    public JCodeModel owner();
    
    /**
     * Add an annotationType Declaration to this package
     * @param name
     *      Name of the annotation Type declaration to be added to this package
     * @return
     *      newly created Annotation Type Declaration
     * @exception JClassAlreadyExistsException
     *      When the specified class/interface was already created.
     
     */
    public JDefinedClass _annotationTypeDeclaration(String name) throws JClassAlreadyExistsException;
    
    /**
     * Add a public enum to this package
     * @param name
     *      Name of the enum to be added to this package
     * @return
     *      newly created Enum
     * @exception JClassAlreadyExistsException
     *      When the specified class/interface was already created.
     
     */
    public JDefinedClass _enum (String name) throws JClassAlreadyExistsException;
    
}