// Command Task
//
// Douglas Thrift
//
// $Id$

/*  Copyright 2008 Douglas Thrift
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package net.douglasthrift.anttasks;

import java.io.File;

import org.apache.tools.ant.Task;
import org.apache.tools.ant.taskdefs.ExecTask;
import org.apache.tools.ant.types.Path;
import org.apache.tools.ant.types.Reference;

public abstract class CommandTask extends Task
{
	protected ExecTask command_;

	@Override
	public void execute()
	{
		command_.execute();
	}

	protected void command(String command)
	{
		command_ = (ExecTask)getProject().createTask("exec");

		command_.setTaskName(getTaskName());
		command_.setExecutable(command);
		command_.setFailonerror(true);
	}

	protected void argument(File file)
	{
		command_.createArg().setFile(file);
	}

	protected void argument(Path path)
	{
		command_.createArg().setPath(path);
	}

	protected void argument(Reference reference)
	{
		command_.createArg().setPathref(reference);
	}

	protected void argument(String value)
	{
		command_.createArg().setValue(value);
	}

	protected void arguments(String line)
	{
		command_.createArg().setLine(line);
	}

	protected void arguments(Object... objects)
	{
		for (Object object : objects)
			if (object instanceof File)
				argument((File)object);
			else if (object instanceof Path)
				argument((Path)object);
			else if (object instanceof Reference)
				argument((Reference)object);
			else if (object instanceof String)
				argument((String)object);
			else
				assert (false);
	}
}