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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

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 *

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package com.sun.xml.internal.bind.v2.model.impl;

import java.util.LinkedHashSet;

import java.util.Set;

import javax.xml.bind.annotation.XmlElementDecl;

import com.sun.xml.internal.bind.v2.model.annotation.Locatable;

import com.sun.xml.internal.bind.v2.model.annotation.MethodLocatable;

import com.sun.xml.internal.bind.v2.model.core.RegistryInfo;

import com.sun.xml.internal.bind.v2.model.core.TypeInfo;

import com.sun.xml.internal.bind.v2.model.nav.Navigator;

import com.sun.xml.internal.bind.v2.runtime.IllegalAnnotationException;

import com.sun.xml.internal.bind.v2.runtime.Location;

import com.sun.xml.internal.bind.v2.ContextFactory;

/**

 * Implementation of {@link RegistryInfo}.

 *

 * @author Kohsuke Kawaguchi

 */

// experimenting with shorter type parameters for <T,C,F,M> quadruple.

// the idea is that they show so often that you'd understand the meaning

// without relying on the whole name.

final class RegistryInfoImpl<T,C,F,M> implements Locatable, RegistryInfo<T,C> {

    final C registryClass;

    private final Locatable upstream;

    private final Navigator<T,C,F,M> nav;

    /**

     * Types that are referenced from this registry.

     */

    private final Set<TypeInfo<T,C>> references = new LinkedHashSet<TypeInfo<T,C>>();

    /**

     * Picks up references in this registry to other types.

     */

    RegistryInfoImpl(ModelBuilder<T,C,F,M> builder, Locatable upstream, C registryClass) {

        this.nav = builder.nav;

        this.registryClass = registryClass;

        this.upstream = upstream;

        builder.registries.put(getPackageName(),this);

        if(nav.getDeclaredField(registryClass,ContextFactory.USE_JAXB_PROPERTIES)!=null) {

            // the user is trying to use ObjectFactory that we generate for interfaces,

            // that means he's missing jaxb.properties

            builder.reportError(new IllegalAnnotationException(

                Messages.MISSING_JAXB_PROPERTIES.format(getPackageName()),

                this

            ));

            // looking at members will only add more errors, so just abort now

            return;

        }

        for( M m : nav.getDeclaredMethods(registryClass) ) {

            XmlElementDecl em = builder.reader.getMethodAnnotation(

                XmlElementDecl.class, m, this );

            if(em==null) {

                if(nav.getMethodName(m).startsWith("create")) {

                    // this is a factory method. visit this class

                    references.add(

                        builder.getTypeInfo(nav.getReturnType(m),

                            new MethodLocatable<M>(this,m,nav)));

                }

                continue;

            }

            ElementInfoImpl<T,C,F,M> ei;

            try {

                ei = builder.createElementInfo(this,m);

            } catch (IllegalAnnotationException e) {

                builder.reportError(e);

                continue;   // recover by ignoring this element

            }

            // register this mapping

            // TODO: any chance this could cause a stack overflow (by recursively visiting classes)?

            builder.typeInfoSet.add(ei,builder);

            references.add(ei);

        }

    }

    public Locatable getUpstream() {

        return upstream;

    }

    public Location getLocation() {

        return nav.getClassLocation(registryClass);

    }

    public Set<TypeInfo<T,C>> getReferences() {

        return references;

    }

    /**

     * Gets the name of the package that this registry governs.

     */

    public String getPackageName() {

        return nav.getPackageName(registryClass);

    }

    public C getClazz() {

        return registryClass;

    }

}