com.aspectran.shell.AspectranShell Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2022 The Aspectran Project
*
* 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 com.aspectran.shell;
import com.aspectran.core.context.InsufficientEnvironmentException;
import com.aspectran.core.context.config.AspectranConfig;
import com.aspectran.core.lang.Nullable;
import com.aspectran.core.util.Aspectran;
import com.aspectran.core.util.ExceptionUtils;
import com.aspectran.shell.command.ShellCommandInterpreter;
import com.aspectran.shell.console.Console;
import com.aspectran.shell.console.DefaultConsole;
import java.io.File;
/**
* Main entry point for the Aspectran Shell.
* Aspectran Shell is a command interpreter that allows you to
* run the built-in commands and translets provided by Aspectran
* in the console environment.
*
* @since 2016. 1. 17.
*/
public class AspectranShell {
public static void main(String[] args) {
String basePath = AspectranConfig.determineBasePath(args);
File aspectranConfigFile = AspectranConfig.determineAspectranConfigFile(args);
Console console = new DefaultConsole();
bootstrap(basePath, aspectranConfigFile, console);
}
public static void bootstrap(File aspectranConfigFile, Console console) {
bootstrap(null, aspectranConfigFile, console);
}
public static void bootstrap(@Nullable String basePath, File aspectranConfigFile, Console console) {
if (aspectranConfigFile == null) {
throw new IllegalArgumentException("aspectranConfigFile must not be null");
}
if (console == null) {
throw new IllegalArgumentException("console must not be null");
}
ShellCommandInterpreter interpreter = null;
int exitStatus = 0;
try {
Aspectran.printPrettyAboutMe(System.out);
interpreter = new ShellCommandInterpreter(console);
interpreter.init(basePath, aspectranConfigFile);
interpreter.perform();
} catch (Exception e) {
Throwable t = ExceptionUtils.getRootCause(e);
if (t instanceof InsufficientEnvironmentException) {
System.err.println(((InsufficientEnvironmentException)t).getPrettyMessage());
} else {
e.printStackTrace(System.err);
}
exitStatus = 1;
} finally {
if (interpreter != null) {
interpreter.release();
}
}
System.exit(exitStatus);
}
}