本文整理了Java中org.elasticsearch.hadoop.cli.Keytool.printUsage()方法的一些代码示例，展示了Keytool.printUsage()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Keytool.printUsage()方法的具体详情如下：
包路径：org.elasticsearch.hadoop.cli.Keytool
类名称：Keytool
方法名：printUsage

Keytool.printUsage介绍

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代码示例

代码示例来源：origin: elastic/elasticsearch-hadoop

String arg = args[idx];
if (arg.equals(FLAG_H) || arg.equals(FLAG_HELP)) {
  printUsage(console);
  return 0;
} else if (hasSTDIN == false && (arg.equals(FLAG_STDIN))) {
  command = Command.byName(arg.toLowerCase());
  if (command == null) {
    printUsage(console);
    error(console, "Unknown command [" + arg + "]");
    return 2;
  commandArg = arg;
} else {
  printUsage(console);
  error(console, "Unexpected argument [" + arg + "]");
  return 3;
printUsage(console);
error(console, "No command specified");
return 1;
printUsage(console);
error(console, "Settings name required for command [" + command.text + "]");
return 4;

代码示例来源：origin: org.elasticsearch/elasticsearch-spark-13

String arg = args[idx];
if (arg.equals(FLAG_H) || arg.equals(FLAG_HELP)) {
  printUsage(console);
  return 0;
} else if (hasSTDIN == false && (arg.equals(FLAG_STDIN))) {
  command = Command.byName(arg.toLowerCase());
  if (command == null) {
    printUsage(console);
    error(console, "Unknown command [" + arg + "]");
    return 2;
  commandArg = arg;
} else {
  printUsage(console);
  error(console, "Unexpected argument [" + arg + "]");
  return 3;
printUsage(console);
error(console, "No command specified");
return 1;
printUsage(console);
error(console, "Settings name required for command [" + command.text + "]");
return 4;

代码示例来源：origin: org.elasticsearch/elasticsearch-hadoop

String arg = args[idx];
if (arg.equals(FLAG_H) || arg.equals(FLAG_HELP)) {
  printUsage(console);
  return 0;
} else if (hasSTDIN == false && (arg.equals(FLAG_STDIN))) {
  command = Command.byName(arg.toLowerCase());
  if (command == null) {
    printUsage(console);
    error(console, "Unknown command [" + arg + "]");
    return 2;
  commandArg = arg;
} else {
  printUsage(console);
  error(console, "Unexpected argument [" + arg + "]");
  return 3;
printUsage(console);
error(console, "No command specified");
return 1;
printUsage(console);
error(console, "Settings name required for command [" + command.text + "]");
return 4;

代码示例来源：origin: org.elasticsearch/elasticsearch-hadoop-mr

String arg = args[idx];
if (arg.equals(FLAG_H) || arg.equals(FLAG_HELP)) {
  printUsage(console);
  return 0;
} else if (hasSTDIN == false && (arg.equals(FLAG_STDIN))) {
  command = Command.byName(arg.toLowerCase());
  if (command == null) {
    printUsage(console);
    error(console, "Unknown command [" + arg + "]");
    return 2;
  commandArg = arg;
} else {
  printUsage(console);
  error(console, "Unexpected argument [" + arg + "]");
  return 3;
printUsage(console);
error(console, "No command specified");
return 1;
printUsage(console);
error(console, "Settings name required for command [" + command.text + "]");
return 4;