/*

 * Copyright 2004-2006 Sun Microsystems, Inc.  All Rights Reserved.

 * 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.  Sun designates this

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

 * by Sun 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,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

package com.sun.tools.apt.mirror.declaration;

import java.util.ArrayList;

import java.util.Collection;

import com.sun.mirror.declaration.*;

import com.sun.mirror.util.*;

import com.sun.tools.apt.mirror.AptEnv;

import com.sun.tools.javac.code.*;

import com.sun.tools.javac.code.Symbol.*;

/**

 * Implementation of PackageDeclaration.

 */

public class PackageDeclarationImpl extends DeclarationImpl

                                    implements PackageDeclaration {

    private PackageSymbol sym;

    public PackageDeclarationImpl(AptEnv env, PackageSymbol sym) {

        super(env, sym);

        this.sym = sym;

    }

    /**

     * Returns the qualified name.

     */

    public String toString() {

        return getQualifiedName();

    }

    /**

     * {@inheritDoc}

     */

    public String getQualifiedName() {

        return sym.getQualifiedName().toString();

    }

    /**

     * {@inheritDoc}

     */

    public Collection<ClassDeclaration> getClasses() {

        return identityFilter.filter(getAllTypes(),

                                     ClassDeclaration.class);

    }

    /**

     * {@inheritDoc}

     */

    public Collection<EnumDeclaration> getEnums() {

        return identityFilter.filter(getAllTypes(),

                                     EnumDeclaration.class);

    }

    /**

     * {@inheritDoc}

     */

    public Collection<InterfaceDeclaration> getInterfaces() {

        return identityFilter.filter(getAllTypes(),

                                     InterfaceDeclaration.class);

    }

    /**

     * {@inheritDoc}

     */

    public Collection<AnnotationTypeDeclaration> getAnnotationTypes() {

        return identityFilter.filter(getAllTypes(),

                                     AnnotationTypeDeclaration.class);

    }

    /**

     * {@inheritDoc}

     */

    public void accept(DeclarationVisitor v) {

        v.visitPackageDeclaration(this);

    }

    // Cache of all top-level type declarations in this package.

    private Collection<TypeDeclaration> allTypes = null;

    /**

     * Caches and returns all top-level type declarations in this package.

     * Omits synthetic types.

     */

    private Collection<TypeDeclaration> getAllTypes() {

        if (allTypes != null) {

            return allTypes;

        }

        allTypes = new ArrayList<TypeDeclaration>();

        for (Symbol s : getMembers(false)) {

            allTypes.add(env.declMaker.getTypeDeclaration((ClassSymbol) s));

        }

        return allTypes;

    }

}