/*

 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of the License "Eclipse Public License v1.0"

 * which accompanies this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description: 

 *

 */

package com.nokia.helium.environment.ant.types;

import java.io.File;

import java.io.IOException;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;

import org.apache.tools.ant.types.DataType;

import org.apache.tools.ant.types.DirSet;

/**

 * Environmental data configuration for the <environment> task.

 * 

 * @ant.task name="envdata" category="Environment"

 */

public class EnvData extends DataType {

    private List<ExecutableInfo> executables = new ArrayList<ExecutableInfo>();

    private List<DirSet> dirsets = new ArrayList<DirSet>();

    public void add(ExecutableInfo executable) {

        if (isReference()) {

            throw noChildrenAllowed();

        }

        executables.add(executable);

    }

    public void add(DirSet dirset) {

        if (isReference()) {

            throw noChildrenAllowed();

        }

        dirsets.add(dirset);

    }

    public void getExecutableDefs(List<ExecutableInfo> executableDefs) throws IOException {

        if (isReference()) {

            EnvData envDataSource = (EnvData) getCheckedRef();

            envDataSource.getExecutableDefs(executableDefs);

        }

        else {

            for (Iterator<ExecutableInfo> iterator = this.executables.iterator(); iterator.hasNext();) {

                ExecutableInfo executableDef = (ExecutableInfo) iterator.next();

                if (!executableDefs.contains(executableDef)) {

                    executableDefs.add(executableDef);

                }

            }

        }

    }

    @SuppressWarnings("unchecked")

    public void getDirectories(List<File> directories) throws IOException {

        if (isReference()) {

            EnvData envDataSource = (EnvData) getCheckedRef();

            envDataSource.getDirectories(directories);

        }

        else {

            for (Iterator<DirSet> iterator = this.dirsets.iterator(); iterator.hasNext();) {

                DirSet dirset = (DirSet) iterator.next();

                Iterator dirsetIterator = dirset.iterator();

                while (dirsetIterator.hasNext()) {

                    File file = (File) dirsetIterator.next();

                    directories.add(file);

                }

            }

        }

    }

}