/*
 * 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.api.impl.s2j;

import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.xml.namespace.QName;

import com.sun.codemodel.JCodeModel;
import com.sun.codemodel.JClass;
import com.sun.tools.xjc.Plugin;
import com.sun.tools.xjc.api.ErrorListener;
import com.sun.tools.xjc.api.JAXBModel;
import com.sun.tools.xjc.api.Mapping;
import com.sun.tools.xjc.api.S2JJAXBModel;
import com.sun.tools.xjc.api.TypeAndAnnotation;
import com.sun.tools.xjc.model.CClassInfo;
import com.sun.tools.xjc.model.CElementInfo;
import com.sun.tools.xjc.model.Model;
import com.sun.tools.xjc.model.TypeUse;
import com.sun.tools.xjc.outline.Outline;
import com.sun.tools.xjc.outline.PackageOutline;

/**
 * {@link JAXBModel} implementation.
 * 
 * @author
 *     Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
 */
final class JAXBModelImpl implements S2JJAXBModel {
    /*package*/ final Outline outline;

    /**
     * All the known classes.
     */
    private final Model model;

    private final Map<QName,Mapping> byXmlName = new HashMap<QName,Mapping>();

    JAXBModelImpl(Outline outline) {
        this.model = outline.getModel();
        this.outline = outline;

        for (CClassInfo ci : model.beans().values()) {
            if(!ci.isElement())
                continue;
            byXmlName.put(ci.getElementName(),new BeanMappingImpl(this,ci));
        }
        for (CElementInfo ei : model.getElementMappings(null).values()) {
            byXmlName.put(ei.getElementName(),new ElementMappingImpl(this,ei));
        }
    }

    public JCodeModel generateCode(Plugin[] extensions,ErrorListener errorListener) {
        // we no longer do any code generation
        return outline.getCodeModel();
    }

    public List<JClass> getAllObjectFactories() {
        List<JClass> r = new ArrayList<JClass>();
        for (PackageOutline pkg : outline.getAllPackageContexts()) {
            r.add(pkg.objectFactory());
        }
        return r;
    }

    public final Mapping get(QName elementName) {
        return byXmlName.get(elementName);
    }

    public final Collection<? extends Mapping> getMappings() {
        return byXmlName.values();
    }

    public TypeAndAnnotation getJavaType(QName xmlTypeName) {
        // TODO: primitive type handling?
        TypeUse use = model.typeUses().get(xmlTypeName);
        if(use==null)   return null;

        return new TypeAndAnnotationImpl(outline,use);
    }

    public final List<String> getClassList() {
        List<String> classList = new ArrayList<String>();

        // list up root classes
        for( PackageOutline p : outline.getAllPackageContexts() )
            classList.add( p.objectFactory().fullName() );
        return classList;
    }
}