/*

 * Copyright (c) 2007-2008 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.ant.data.taskdefs;

import java.io.File;

import java.io.FileWriter;

import java.io.IOException;

import java.util.ArrayList;

import java.util.List;

import org.apache.tools.ant.BuildException;

import org.apache.tools.ant.DirectoryScanner;

import org.apache.tools.ant.Project;

import org.apache.tools.ant.Task;

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

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

import com.nokia.helium.ant.data.Database;

/**

 * 

 */

public class DatabaseTask extends Task {

    private File outputFile;

    private boolean filesetonly;

    private List<ResourceCollection> rcs = new ArrayList<ResourceCollection>();

    public DatabaseTask() {

        setTaskName("database");

    }

    /**

     * Add a set of files to copy.

     * 

     * @param set a set of files to copy.

     */

    public void addFileset(FileSet set) {

        add(set);

    }

    /**

     * Add a collection of files to copy.

     * 

     * @param res a resource collection to copy.

     * @since Ant 1.7

     */

    public void add(ResourceCollection res) {

        rcs.add(res);

    }

    public void setOutput(File outputFile) {

        this.outputFile = outputFile;

    }

    }

    /**

     * 

     * @param scope The visibility level, either public, protected or private.

     */

    public void setScope(String scope) {

        this.scope = scope;

    }

    public void execute() {

        if (outputFile == null) {

            throw new BuildException("'output' must be defined.");

        }

        log("Building Ant project database", Project.MSG_DEBUG);

        // Get additional Ant file paths

        try {

            List<String> antFilePaths = new ArrayList<String>();

            // Only filesets are supported currently

            for (ResourceCollection rc : rcs) {

                if (rc instanceof FileSet) {

                    FileSet fs = (FileSet) rc;

                    DirectoryScanner ds = fs.getDirectoryScanner(getProject());

                    String[] srcFiles = ds.getIncludedFiles();

                    String basedir = ds.getBasedir().getPath();

                    for (int i = 0; i < srcFiles.length; i++) {

                        String fileName = basedir + File.separator + srcFiles[i];

                        antFilePaths.add(fileName);

                    }

                }

            }

            // Output the database file

            Database db;

                db = new Database(null);

                db = new Database(getProject());

            db.setScopeFilter(scope);

            db.addAntFilePaths(antFilePaths);

            FileWriter out = new FileWriter(outputFile);

            db.toXML(out);

            out.close();

        }

        catch (IOException e) {

            e.printStackTrace();

            throw new BuildException("Not able to build the ANT project Database " + e.getMessage());

        }

    }

}