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Arjuna-Java is the client implementation in Java for development of test automation using Arjuna. It uses TestNG as the test engine. With minor tweaks, it can be used with any other test engine or custom test automation implementations. Arjuna is a Python based test automation framework developed by Rahul Verma (www.rahulverma.net)

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/*******************************************************************************
 * Copyright 2015-19 Test Mile Software Testing Pvt Ltd
 * 
 * Website: www.TestMile.com
 * Email: support [at] testmile.com
 * 
 * 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 arjuna.lib.sysauto.process;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class CommandExecutor {
	private String command = null;
	private List args = null;

	public CommandExecutor(String command, String[] args) {
		this.command = command;
		this.args = Arrays.asList(args);
	}

	public CommandExecutor(String command, List args) {
		this.command = command;
		this.args = args;
	}

	public CommandExecutor(String command, String argString) {
		this.command = command;
		this.args = DelimitedDataParser.parse(argString);
	}

	public CommandExecutor(String commandString) {
		List arr = DelimitedDataParser.parse(commandString);
		this.command = arr.get(0);
		this.args = arr.subList(1, arr.size());
	}

	private void addPrefix(List commandList) {
		String[] windows = { "cmd.exe", "/C" };
		String[] lin = {};

		if (System.getProperty("os.name").toLowerCase().contains("win")) {
			commandList.addAll(Arrays.asList(windows));
		} else {
			commandList.addAll(Arrays.asList(lin));
		} 
	}

	private String[] getCommandArray() {
		List commandList = new ArrayList();
		addPrefix(commandList);
		commandList.add(this.command);
		commandList.addAll(this.args);
		return commandList.toArray(new String[commandList.size()]);
	}

	public ProcessOutput execute() throws Exception {
		System.out.println(Arrays.asList(getCommandArray()));
		//Process proc = Runtime.getRuntime()..exec(getCommandArray());
		ProcessBuilder pb = new ProcessBuilder(getCommandArray());
		String logDir = System.getProperty("user.dir") + File.separator + "log" + File.separator;
		pb.redirectError(new File(logDir + "service_stderr.txt"));
		pb.redirectOutput(new File(logDir + "service_stdout.txt"));
		return new ProcessOutput(pb.start());
	}

}