/*
 * Copyright (C) [2004, 2005, 2006], Hyperic, Inc.
 * This file is part of SIGAR.
 * 
 * SIGAR is free software; you can redistribute it and/or modify
 * it under the terms version 2 of the GNU General Public License as
 * published by the Free Software Foundation. This program 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 for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA.
 */

package org.hyperic.jni;

import java.io.File;

import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.taskdefs.Copy;

public class CopyDependsTask extends Copy {

    private File depends;

    protected void validateAttributes()
        throws BuildException {

        super.validateAttributes();
        if (this.depends == null) {
            throw new BuildException("missing depends attribute");
        }
    }

    public void execute()
        throws BuildException {

        if (this.destFile.exists()) {
            String state;
            if (this.depends.lastModified() >
                this.destFile.lastModified())
            {
                this.setOverwrite(true);
                state = "out of date";
            }
            else {
                state = "up to date";
            }

            log(this.destFile +
                " " + state + " with " +
                this.depends);
        }

        super.execute();
    }

    public File getDepends() {
        return this.depends;
    }

    public void setDepends(String depends) {
        this.depends = new File(depends);
    }
}
