/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2011 Oracle and/or its affiliates. All rights reserved.
 *
 * 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
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

package com.sun.tools.xjc.outline;

import java.util.Set;

import javax.xml.bind.annotation.XmlNsForm;
import javax.xml.bind.annotation.XmlSchema;

import com.sun.codemodel.JDefinedClass;
import com.sun.codemodel.JPackage;
import com.sun.tools.xjc.generator.bean.ObjectFactoryGenerator;

/**
 * Outline object that provides per-package information.
 * 
 * This interface is accessible from {@link Outline}.
 * 
 * @author
 *     Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
 */
public interface PackageOutline {
    
    /**
     * The exposed package this context is representing.
     *
     * <p>
     * An exposed package is a package visible to users, a package
     * supposed to be used by client applications. Sometime
     * we have another parallel package that's not visible to users.
     */
    JPackage _package();

    /**
     * Generated ObjectFactory from package.
     * 
     * This method allows a caller to obtain a reference to such
     * ObjectFactory from its package.
     *
     * Must not be null.
     */
    JDefinedClass objectFactory();

    /**
     * Generates an ObjectFactory class for this package.
     */
    ObjectFactoryGenerator objectFactoryGenerator();

    /**
     * Gets {@link ClassOutline}s whose {@link ClassOutline#_package()}
     * points to this object.
     *
     * @return can be empty but never null.
     */
    Set<? extends ClassOutline> getClasses();

    /**
     * The namespace URI most commonly used in classes in this package.
     * This should be used as the namespace URI for {@link XmlSchema#namespace()}.
     *
     * <p>
     * Null if no default
     */
    public String getMostUsedNamespaceURI();

    /**
     * The element form default for this package.
     * <p>
     * The value is computed by examining what would yield the smallest generated code.
     */
    public XmlNsForm getElementFormDefault();

    /**
     * The attribute form default for this package.
     * <p>
     * The value is computed by examining what would yield the smallest generated code.
     */
    public XmlNsForm getAttributeFormDefault();
}
