Java CommandLine類代碼示例

import org.apache.commons.exec.CommandLine; //導入依賴的package包/類
private CommandLine buildActionCommand(String terraformPath, String action, Map<String, Object> variableMap) {

		CommandLine actionCommand = new CommandLine(terraformPath);
		actionCommand.addArgument(action);

		if (action.equals(Constants.ACTION_DESTROY)) {
			actionCommand.addArgument(FLAG_FORCE);
		}

		actionCommand.addArgument(FLAG_NO_COLOR);

		for (Entry<String, Object> variableEntry : variableMap.entrySet()) {

			String variableName = variableEntry.getKey();
			String variableValue = (String) variableEntry.getValue();
			String variableString = variableName + Constants.CHAR_EQUAL + (variableValue.equals("on") ? "true" : variableValue);

			actionCommand.addArgument(FLAG_VAR);
			actionCommand.addArgument(variableString, false);
		}

		return actionCommand;
	}
 

import org.apache.commons.exec.CommandLine; //導入依賴的package包/類
/**
 * 日誌文件輸出方式
 *
 * 優點：支持將目標數據實時輸出到指定日誌文件中去
 * 缺點：
 *      標準輸出和錯誤輸出優先級固定，可能和腳本中順序不一致
 *      Java無法實時獲取
 *
 * @param command
 * @param scriptFile
 * @param logFile
 * @param params
 * @return
 * @throws IOException
 */
public static int execToFile(String command, String scriptFile, String logFile, String... params) throws IOException {
    // 標準輸出：print （null if watchdog timeout）
    // 錯誤輸出：logging + 異常 （still exists if watchdog timeout）
    // 標準輸入
    FileOutputStream fileOutputStream = new FileOutputStream(logFile, true);
    PumpStreamHandler streamHandler = new PumpStreamHandler(fileOutputStream, fileOutputStream, null);

    // command
    CommandLine commandline = new CommandLine(command);
    commandline.addArgument(scriptFile);
    if (params!=null && params.length>0) {
        commandline.addArguments(params);
    }

    // exec
    DefaultExecutor exec = new DefaultExecutor();
    exec.setExitValues(null);
    exec.setStreamHandler(streamHandler);
    int exitValue = exec.execute(commandline);  // exit code: 0=success, 1=error
    return exitValue;
}
 

import org.apache.commons.exec.CommandLine; //導入依賴的package包/類
/**
 * Starts the jekyll build process (jekyll build --incremental)
 * @return true, if jekyll build was successful
 */
public boolean startJekyllCI() {
	int exitValue = -1;
	String line = JEKYLL_PATH;
	ByteArrayOutputStream jekyllBuildOutput = new ByteArrayOutputStream();
	CommandLine cmdLine = CommandLine.parse(line);
	cmdLine.addArgument(JEKYLL_OPTION_BUILD);
	cmdLine.addArgument(JEKYLL_OPTION_INCR);
	DefaultExecutor executor = new DefaultExecutor();
	executor.setWorkingDirectory(new File(LOCAL_REPO_PATH));
	PumpStreamHandler streamHandler = new PumpStreamHandler(jekyllBuildOutput);
	executor.setStreamHandler(streamHandler);
	try {
		LOGGER.info("Starting jekyll build");
		exitValue = executor.execute(cmdLine);
		LOGGER.info("Jekyll build command executed");
	} catch (IOException e) {
		LOGGER.error("Error while executing jekyll build. Error message: {}", e.getMessage());
		e.printStackTrace();
		return false;
	}
	printJekyllStatus(exitValue, jekyllBuildOutput.toString());
	return true;
}
 

import org.apache.commons.exec.CommandLine; //導入依賴的package包/類
public static void main(String[] args) throws Exception {
    String cmd = "/tmp/test.sh";
    CommandLine cmdLine = CommandLine.parse("/bin/bash " + cmd);

    ByteArrayOutputStream stdout = new ByteArrayOutputStream();
    ByteArrayOutputStream stderr = new ByteArrayOutputStream();
    PumpStreamHandler psh = new PumpStreamHandler(stdout, stderr);

    psh.setStopTimeout(TIMEOUT_FIVE_MINUTES);

    ExecuteWatchdog watchdog = new ExecuteWatchdog(TIMEOUT_TEN_MINUTES); // timeout in milliseconds

    Executor executor = new DefaultExecutor();
    executor.setExitValue(0);
    executor.setStreamHandler(psh);
    executor.setWatchdog(watchdog);

    int exitValue = executor.execute(cmdLine, Collections.emptyMap());
    System.out.println(exitValue);
}
 

import org.apache.commons.exec.CommandLine; //導入依賴的package包/類
public void compile(String cwd, Submission submission) throws RuntimeException {
    ByteArrayOutputStream stderr = new ByteArrayOutputStream();
    ExecuteWatchdog watchdog = new ExecuteWatchdog(watchdogTimeout);

    DefaultExecutor executor = new DefaultExecutor();
    executor.setWorkingDirectory(new File(cwd));
    executor.setStreamHandler(new PumpStreamHandler(null, stderr, null));
    executor.setWatchdog(watchdog);

    CommandLine cmd = new CommandLine(javac);
    cmd.addArgument("-J-Duser.language=en");  // force using English
    cmd.addArgument("-classpath");
    cmd.addArgument(cwd);
    cmd.addArgument(fileName + ".java");
    logger.info("Compiler cmd:\t" + cmd.toString());

    try {
        executor.execute(cmd);
        logger.info("Compile OK");
    } catch (IOException e) {
        if (watchdog.killedProcess()) {
            submission.setStatus(Submission.STATUS_CE);
            submission.setError("Compile Time Exceeded");
            logger.warn("Compile Time Exceeded:\t" + e.getMessage());
        } else {
            submission.setStatus(Submission.STATUS_CE);
            submission.setError("Compile error");
            logger.warn("Compile error:\t" + e.getMessage());
        }
        logger.warn(stderr.toString());
        throw new RuntimeException("Compile Aborted.");
    }
}
 

import org.apache.commons.exec.CommandLine; //導入依賴的package包/類
public void compile(String cwd, Submission submission) throws RuntimeException {
    CommandLine cmd = new CommandLine(compiler);
    cmd.addArgument("-basedir=" + cwd);
    cmd.addArgument("-compiler=" + realCompiler);
    cmd.addArgument("-filename=" + fileName + "." + suffix);
    cmd.addArgument("-timeout=" + watchdogTimeout);
    cmd.addArgument("-std=" + std);
    logger.info(cmd.toString());

    ByteArrayOutputStream stderr = new ByteArrayOutputStream();
    DefaultExecutor executor = new DefaultExecutor();
    executor.setStreamHandler(new PumpStreamHandler(null, stderr, null));
    try {
        executor.execute(cmd);
        if (stderr.toString().length() > 0) {
            submission.setStatus(Submission.STATUS_CE);
            submission.setError("Compile error");
            logger.warn(stderr.toString());
            throw new RuntimeException("Sandbox Aborted.");
        }
        logger.info("Compile OK");
    } catch (IOException e) {
        logger.warn("Compile error:\t" + e.getMessage());
        throw new RuntimeException("An Error Occurred.");
    }
}
 

import org.apache.commons.exec.CommandLine; //導入依賴的package包/類
/**
 * Esegue un comando di shell
 * @param command comando
 * @param args lista di argomenti (ogni elemento puo' contenere spazi), puo' essere null
 * @param outputStream ByteArrayOutputStream che conterrà l'output del comando
 * @return the error message (will be empty for a return code >0), or null if there was no error
 */
public String exec(String command, List<String> args, ByteArrayOutputStream outputStream) {
	int exitValue=1;
	try {
		CommandLine commandLine = new CommandLine(command);
		if (args!=null) {
			for (String arg : args) {
				commandLine.addArgument(arg, false); // Don't handle quoting
			}
		}
		DefaultExecutor executor = new DefaultExecutor();
		PumpStreamHandler streamHandler = new PumpStreamHandler(outputStream);
		executor.setStreamHandler(streamHandler);
		log.debug("Executing shell command: {}", commandLine);
		exitValue = executor.execute(commandLine);
	} catch (Exception e) {
		log.error("Failed to execute shell command: " + command + " " + args, e);
		return e.getMessage();
	}
	return exitValue>0?"":null;
}
 

import org.apache.commons.exec.CommandLine; //導入依賴的package包/類
public int execute(String[] args, @Nullable Path workingDir, Map<String, String> addEnv) throws IOException {
  if (!Files.isExecutable(file)) {
    Set<PosixFilePermission> perms = new HashSet<PosixFilePermission>();
    perms.add(PosixFilePermission.OWNER_READ);
    perms.add(PosixFilePermission.OWNER_EXECUTE);
    Files.setPosixFilePermissions(file, perms);
  }

  ExecuteWatchdog watchdog = new ExecuteWatchdog(TIMEOUT);
  CommandLine cmd = new CommandLine(file.toFile());
  cmd.addArguments(args);
  DefaultExecutor exec = new DefaultExecutor();
  exec.setWatchdog(watchdog);
  exec.setStreamHandler(createStreamHandler());
  exec.setExitValues(null);
  if (workingDir != null) {
    exec.setWorkingDirectory(workingDir.toFile());
  }
  in.close();
  LOG.info("Executing: {}", cmd.toString());
  Map<String, String> env = new HashMap<>(System.getenv());
  env.putAll(addEnv);
  return exec.execute(cmd, env);
}
 

import org.apache.commons.exec.CommandLine; //導入依賴的package包/類
/**
 * Runs docker command asynchronously.
 *
 * @param arguments command line arguments
 * @param out       stdout will be written in to this file
 *
 * @return a handle used to stop the command process
 *
 * @throws IOException when command has error
 */
public ExecuteWatchdog dockerAsync(final List<Object> arguments, OutputStream out) throws IOException {
    CommandLine cmdLine = new CommandLine(DOCKER);
    arguments.forEach((arg) -> {
        cmdLine.addArgument(arg + "");
    });
    LOG.debug("[{} {}]", cmdLine.getExecutable(), StringUtils.join(cmdLine.getArguments(), " "));
    List<String> output = new ArrayList<>();
    ExecuteWatchdog watchdog = new ExecuteWatchdog(ExecuteWatchdog.INFINITE_TIMEOUT);
    Executor executor = new DefaultExecutor();
    executor.setWatchdog(watchdog);
    PrintWriter writer = new PrintWriter(out);
    ESH esh = new ESH(writer);
    executor.setStreamHandler(esh);
    executor.execute(cmdLine, new DefaultExecuteResultHandler());
    return watchdog;
}
 

import org.apache.commons.exec.CommandLine; //導入依賴的package包/類
@Override
public Map<String,Object> handle (Task aTask) throws Exception {
  CommandLine cmd = new CommandLine ("mediainfo");
  cmd.addArgument(aTask.getRequiredString("input"));
  log.debug("{}",cmd);
  DefaultExecutor exec = new DefaultExecutor();
  File tempFile = File.createTempFile("log", null);
  try (PrintStream stream = new PrintStream(tempFile);) {
    exec.setStreamHandler(new PumpStreamHandler(stream));
    exec.execute(cmd);
    return parse(FileUtils.readFileToString(tempFile));
  }
  catch (ExecuteException e) {
    throw new ExecuteException(e.getMessage(),e.getExitValue(), new RuntimeException(FileUtils.readFileToString(tempFile)));
  }
  finally {
    FileUtils.deleteQuietly(tempFile);
  }
}
 

import org.apache.commons.exec.CommandLine; //導入依賴的package包/類
@Override
public Object handle(Task aTask) throws Exception {
  List<String> options = aTask.getList("options", String.class);
  CommandLine cmd = new CommandLine ("ffmpeg");
  options.forEach(o->cmd.addArgument(o));
  log.debug("{}",cmd);
  DefaultExecutor exec = new DefaultExecutor();
  File tempFile = File.createTempFile("log", null);
  try (PrintStream stream = new PrintStream(tempFile);) {
    exec.setStreamHandler(new PumpStreamHandler(stream));
    int exitValue = exec.execute(cmd);
    return exitValue!=0?FileUtils.readFileToString(tempFile):cmd.toString();
  }
  catch (ExecuteException e) {
    throw new ExecuteException(e.getMessage(),e.getExitValue(), new RuntimeException(FileUtils.readFileToString(tempFile)));
  }
  finally {
    FileUtils.deleteQuietly(tempFile);
  }
}
 

import org.apache.commons.exec.CommandLine; //導入依賴的package包/類
@Override
public Map<String,Object> handle(Task aTask) throws Exception {
  CommandLine cmd = new CommandLine ("ffprobe");
  cmd.addArgument("-v")
     .addArgument("quiet")
     .addArgument("-print_format")
     .addArgument("json")
     .addArgument("-show_error")
     .addArgument("-show_format")
     .addArgument("-show_streams")
     .addArgument(aTask.getRequiredString("input"));
  log.debug("{}",cmd);
  DefaultExecutor exec = new DefaultExecutor();
  File tempFile = File.createTempFile("log", null);
  try (PrintStream stream = new PrintStream(tempFile);) {
    exec.setStreamHandler(new PumpStreamHandler(stream));
    exec.execute(cmd);
    return parse(FileUtils.readFileToString(tempFile));
  }
  catch (ExecuteException e) {
    throw new ExecuteException(e.getMessage(),e.getExitValue(), new RuntimeException(FileUtils.readFileToString(tempFile)));
  }
  finally {
    FileUtils.deleteQuietly(tempFile);
  }
}
 

import org.apache.commons.exec.CommandLine; //導入依賴的package包/類
public AppRunnerInstance start() {
    File dir = new File("target/e2e/" + id + "/" + System.currentTimeMillis());
    assertTrue(dir.mkdirs());
    int httpPort = getAFreePort();
    int httpsPort = getAFreePort();
    File uberJar = new File(FilenameUtils.separatorsToSystem("target/e2e/" + jarName));
    if (!uberJar.isFile()) {
        throw new RuntimeException("Could not find the app-runner jar. Try running mvn compile first.");
    }

    CommandLine command = new CommandLine("java")
        .addArgument("-Dlogback.configurationFile=" + dirPath(new File("src/test/resources/logback-test.xml")))
        .addArgument("-Dappserver.port=" + httpPort)
        .addArgument("-Dappserver.https.port=" + httpsPort)
        .addArgument("-Dappserver.data.dir=" + dirPath(new File(dir, "data")))
        .addArgument("-Dapprunner.keystore.path=" + dirPath(new File("local/test.keystore")))
        .addArgument("-Dapprunner.keystore.password=password")
        .addArgument("-Dapprunner.keymanager.password=password")
        .addArgument("-jar")
        .addArgument(dirPath(uberJar));
    httpUrl = URI.create("http://localhost:" + httpPort + "/");
    httpsUrl = URI.create("https://localhost:" + httpsPort + "/");
    log.info("Starting " + id + " at " + httpUrl);
    this.killer = new ProcessStarter(log).startDaemon(env, command, dir, Waiter.waitFor(id, httpUrl, 60, TimeUnit.SECONDS));
    return this;
}
 

import org.apache.commons.exec.CommandLine; //導入依賴的package包/類
private ExecuteWatchdog runJar(InvocationOutputHandler buildLogHandler, InvocationOutputHandler consoleLogHandler, Map<String, String> envVarsForApp, Waiter startupWaiter) {
    Path libsPath = Paths.get(projectRoot.getPath(), "build", "libs");
    File libsFolder = libsPath.toFile();

    // To simplify implementation, now I assume only 1 uberjar named "artifact-version-all.jar" under libs folder
    // As we clean the project every time, I can't foresee any possibility that will mix up other uberjars.
    File[] files = libsFolder.listFiles();

    if(files == null) {
        throw new ProjectCannotStartException(libsFolder.getPath() + " doesn't exist");
    }

    Optional<File> jar = Stream.of(files).filter((f) -> f.getName().contains("all")).findFirst();

    if (!jar.isPresent() || !jar.get().isFile()) {
        throw new ProjectCannotStartException("Could not find the jar file at " + jar.get().getPath());
    }

    CommandLine command = javaHomeProvider.commandLine(envVarsForApp)
        .addArgument("-Djava.io.tmpdir=" + envVarsForApp.get("TEMP"))
        .addArgument("-jar")
        .addArgument(fullPath(jar.get()));

    return ProcessStarter.startDaemon(buildLogHandler, consoleLogHandler, envVarsForApp, command, projectRoot, startupWaiter);
}
 

import org.apache.commons.exec.CommandLine; //導入依賴的package包/類
private void runCancelJob(Master.Job message) {
    if (getAbortStatus(message.abortUrl, message.trackingId)) {
        CommandLine cmdLine = new CommandLine("/bin/bash");
        cmdLine.addArgument(agentConfig.getJob().getJobArtifact("cancel"));
        cmdLine.addArgument(message.jobId);
        DefaultExecutor killExecutor = new DefaultExecutor();
        ExecuteWatchdog watchdog = new ExecuteWatchdog(ExecuteWatchdog.INFINITE_TIMEOUT);
        killExecutor.setWatchdog(watchdog);
        try {
            log.info("Cancel command: {}", cmdLine);
            killExecutor.execute(cmdLine);
            TaskEvent taskEvent = (TaskEvent) message.taskEvent;
            String outPath = agentConfig.getJob().getOutPath(taskEvent.getJobName(), message.jobId);
            String errPath = agentConfig.getJob().getErrorPath(taskEvent.getJobName(), message.jobId);
            Worker.Result result = new Worker.Result(-9, agentConfig.getUrl(errPath), agentConfig.getUrl(outPath), null, message);
            getSender().tell(new Worker.WorkFailed(result), getSelf());
        } catch (IOException e) {
            log.error(e, "Error cancelling job");
        }
    }
}