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Google Java Format
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github-actions committed Oct 30, 2021
1 parent b6c5bc2 commit 208975c
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291 changes: 138 additions & 153 deletions judger/src/main/java/org/verwandlung/voj/judger/application/ApplicationBootstrap.java
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Expand Up @@ -15,24 +15,24 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*
* _ooOoo_
* o8888888o
* 88" . "88
* (| -_- |)
* O\ = /O
* ____/`---'\____
* .' \\| |// `.
* / \\||| : |||// \
* / _||||| -:- |||||- \
* | | \\\ - /// | |
* | \_| ''\---/'' | |
* \ .-\__ `-` ___/-. /
* ___`. .' /--.--\ `. . __
* ."" '< `.___\_<|>_/___.' >'"".
* | | : `- \`.;`\ _ /`;.`/ - ` : | |
* \ \ `-. \_ __\ /__ _/ .-` / /
* ======`-.____`-.___\_____/___.-`____.-'======
* `=---='
* _ooOoo_
* o8888888o
* 88" . "88
* (| -_- |)
* O\ = /O
* ____/`---'\____
* .' \\| |// `.
* / \\||| : |||// \
* / _||||| -:- |||||- \
* | | \\\ - /// | |
* | \_| ''\---/'' | |
* \ .-\__ `-` ___/-. /
* ___`. .' /--.--\ `. . __
* ."" '< `.___\_<|>_/___.' >'"".
* | | : `- \`.;`\ _ /`;.`/ - ` : | |
* \ \ `-. \_ __\ /__ _/ .-` / /
* ======`-.____`-.___\_____/___.-`____.-'======
* `=---='
*
* HERE BE BUDDHA
*
Expand All @@ -55,142 +55,127 @@

/**
* 程序测评模块的加载器.
*
*
* @author Haozhe Xie
*/
public class ApplicationBootstrap {
/**
* 应用程序入口.
*/
public static void main(String[] args) {
LOGGER.info("Starting Verwandlung Online Judge Judger...");
ApplicationBootstrap app = new ApplicationBootstrap();
app.getApplicationContext();
app.setupHeartBeat();
app.getSystemEnvironment();
app.setUpShutdownHook();
LOGGER.info("Verwandlung Online Judge Judger started.");
}

/**
* 加载应用程序配置.
*/
private void getApplicationContext() {
applicationContext = new
ClassPathXmlApplicationContext("application-context.xml");
}

/**
* 配置与Web模块的心跳连接.
* 定时向Web模块发送Keep-Alive信号.
*/
private void setupHeartBeat() {
final int INITIAL_DELAY = 0;
final int PERIOD = 25;

ApplicationHeartbeat heartbeat = applicationContext.getBean(ApplicationHeartbeat.class);
ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(1);
scheduler.scheduleAtFixedRate(heartbeat, INITIAL_DELAY, PERIOD, TimeUnit.MINUTES);
}

/**
* 设置ShutdownHook.
* 用于完成程序正常退出前的准备工作.
*/
private void setUpShutdownHook() {
final Thread mainThread = Thread.currentThread();
Runtime.getRuntime().addShutdownHook(new Thread() {
public void run() {
try {
LOGGER.info("Verwandlung Online Judge Judger is shutting down...");
mainThread.join();
} catch (InterruptedException ex) {
LOGGER.catching(ex);
}
}
});
}

/**
* 获取系统环境变量.
* 以便进行Bug的复现.
*/
private void getSystemEnvironment() {
LOGGER.info("System Information: " );
LOGGER.info("\tOperating System Name: " + System.getProperty("os.name"));
LOGGER.info("\tOperating System Version: " + System.getProperty("os.version"));
LOGGER.info("\tJava VM Name: " + System.getProperty("java.vm.name"));
LOGGER.info("\tJava Runtime Version: " + System.getProperty("java.runtime.version"));

LOGGER.info("Compiler Information: " );
LanguageMapper languageMapper = applicationContext.getBean(LanguageMapper.class);
List<Language> languages = languageMapper.getAllLanguages();
for ( Language language : languages ) {
String languageName = language.getLanguageName();
String compileProgram = getCompileProgram(language.getCompileCommand());
LOGGER.info("\t" + languageName + ": " + getCompilerVersion(languageName, compileProgram));
}
}

/**
* 获取编译程序的命令行.
* @param compileCommand - 编译命令的命令行
* @return 编译程序的命令行
*/
private String getCompileProgram(String compileCommand) {
int firstSpaceIndex = compileCommand.indexOf(" ");
String compileProgram = compileCommand.substring(0, firstSpaceIndex);

if ( "javac".equalsIgnoreCase(compileProgram) ) {
return "java";
}
return compileProgram;
}

/**
* 获取编译器的版本信息.
* @param languageName - 编程语言名称
* @param compileProgram - 编译所使用的命令
* @return 编译器的版本信息
*/
private String getCompilerVersion(String languageName, String compileProgram) {
String versionCommand = getVersionCommand(languageName);
StringBuilder compilerVersion = new StringBuilder();

try {
String[] command = {
compileProgram, versionCommand
};
Process process = Runtime.getRuntime().exec(command);

compilerVersion.append("Command Line: " + command + "\n");
compilerVersion.append(IOUtils.toString(process.getInputStream()));
compilerVersion.append(IOUtils.toString(process.getErrorStream()));
} catch ( Exception ex ) {
return "Not Found";
}
return compilerVersion.toString();
}

/**
* 获取编译器版本的命令行参数.
* @param languageName - 编程语言名称
* @return 获取编译器版本的命令行参数
*/
private String getVersionCommand(String languageName) {
if ( "Java".equalsIgnoreCase(languageName) ) {
return " -version";
}
return " --version";
}

/**
* 应用程序配置.
*/
private ApplicationContext applicationContext;

/**
* 日志记录器.
*/
private static final Logger LOGGER = LogManager.getLogger(ApplicationBootstrap.class);
/** 应用程序入口. */
public static void main(String[] args) {
LOGGER.info("Starting Verwandlung Online Judge Judger...");
ApplicationBootstrap app = new ApplicationBootstrap();
app.getApplicationContext();
app.setupHeartBeat();
app.getSystemEnvironment();
app.setUpShutdownHook();
LOGGER.info("Verwandlung Online Judge Judger started.");
}

/** 加载应用程序配置. */
private void getApplicationContext() {
applicationContext = new ClassPathXmlApplicationContext("application-context.xml");
}

/** 配置与Web模块的心跳连接. 定时向Web模块发送Keep-Alive信号. */
private void setupHeartBeat() {
final int INITIAL_DELAY = 0;
final int PERIOD = 25;

ApplicationHeartbeat heartbeat = applicationContext.getBean(ApplicationHeartbeat.class);
ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(1);
scheduler.scheduleAtFixedRate(heartbeat, INITIAL_DELAY, PERIOD, TimeUnit.MINUTES);
}

/** 设置ShutdownHook. 用于完成程序正常退出前的准备工作. */
private void setUpShutdownHook() {
final Thread mainThread = Thread.currentThread();
Runtime.getRuntime()
.addShutdownHook(
new Thread() {
public void run() {
try {
LOGGER.info("Verwandlung Online Judge Judger is shutting down...");
mainThread.join();
} catch (InterruptedException ex) {
LOGGER.catching(ex);
}
}
});
}

/** 获取系统环境变量. 以便进行Bug的复现. */
private void getSystemEnvironment() {
LOGGER.info("System Information: ");
LOGGER.info("\tOperating System Name: " + System.getProperty("os.name"));
LOGGER.info("\tOperating System Version: " + System.getProperty("os.version"));
LOGGER.info("\tJava VM Name: " + System.getProperty("java.vm.name"));
LOGGER.info("\tJava Runtime Version: " + System.getProperty("java.runtime.version"));

LOGGER.info("Compiler Information: ");
LanguageMapper languageMapper = applicationContext.getBean(LanguageMapper.class);
List<Language> languages = languageMapper.getAllLanguages();
for (Language language : languages) {
String languageName = language.getLanguageName();
String compileProgram = getCompileProgram(language.getCompileCommand());
LOGGER.info("\t" + languageName + ": " + getCompilerVersion(languageName, compileProgram));
}
}

/**
* 获取编译程序的命令行.
*
* @param compileCommand - 编译命令的命令行
* @return 编译程序的命令行
*/
private String getCompileProgram(String compileCommand) {
int firstSpaceIndex = compileCommand.indexOf(" ");
String compileProgram = compileCommand.substring(0, firstSpaceIndex);

if ("javac".equalsIgnoreCase(compileProgram)) {
return "java";
}
return compileProgram;
}

/**
* 获取编译器的版本信息.
*
* @param languageName - 编程语言名称
* @param compileProgram - 编译所使用的命令
* @return 编译器的版本信息
*/
private String getCompilerVersion(String languageName, String compileProgram) {
String versionCommand = getVersionCommand(languageName);
StringBuilder compilerVersion = new StringBuilder();

try {
String[] command = {compileProgram, versionCommand};
Process process = Runtime.getRuntime().exec(command);

compilerVersion.append("Command Line: " + command + "\n");
compilerVersion.append(IOUtils.toString(process.getInputStream()));
compilerVersion.append(IOUtils.toString(process.getErrorStream()));
} catch (Exception ex) {
return "Not Found";
}
return compilerVersion.toString();
}

/**
* 获取编译器版本的命令行参数.
*
* @param languageName - 编程语言名称
* @return 获取编译器版本的命令行参数
*/
private String getVersionCommand(String languageName) {
if ("Java".equalsIgnoreCase(languageName)) {
return " -version";
}
return " --version";
}

/** 应用程序配置. */
private ApplicationContext applicationContext;

/** 日志记录器. */
private static final Logger LOGGER = LogManager.getLogger(ApplicationBootstrap.class);
}

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