public int executeCommand(String scriptName, String args, String env) {
// Populate the root loader with all libraries that this app
// depends on. If a root loader doesn't exist yet, create it now.
if (args != null) {
System.setProperty("grails.cli.args", args.replace(' ', '\n'));
} else {
// If GrailsScriptRunner is executed more than once in a
// single JVM, we have to make sure that the CLI args are reset.
System.setProperty("grails.cli.args", "");
}
CommandLineParser parser = getCommandLineParser();
CommandLine commandLine = parser.parseString(scriptName, args);
return executeCommand(commandLine, scriptName, env);
}
public static CommandLineParser getCommandLineParser() {
CommandLineParser parser = new CommandLineParser();
parser.addOption(
CommandLine.REFRESH_DEPENDENCIES_ARGUMENT,
"Whether to force a resolve of dependencies (skipping any caching)");
parser.addOption(CommandLine.VERBOSE_ARGUMENT, "Enable verbose output");
parser.addOption(
CommandLine.OFFLINE_ARGUMENT,
"Indicates that Grails should not connect to any remote servers during processing of the build");
parser.addOption(CommandLine.STACKTRACE_ARGUMENT, "Enable stack traces in output");
parser.addOption(CommandLine.AGENT_ARGUMENT, "Enable the reloading agent");
parser.addOption(
CommandLine.NON_INTERACTIVE_ARGUMENT, "Whether to allow the command line to request input");
parser.addOption(CommandLine.HELP_ARGUMENT, "Command line help");
parser.addOption(CommandLine.VERSION_ARGUMENT, "Current Grails version");
parser.addOption(CommandLine.NOANSI_ARGUMENT, "Disables ANSI output");
return parser;
}
public int executeCommand(String scriptName, String args, String env) {
// Populate the root loader with all libraries that this app
// depends on. If a root loader doesn't exist yet, create it now.
if (args != null) {
System.setProperty("grails.cli.args", args.replace(' ', '\n'));
} else {
// If GrailsScriptRunner is executed more than once in a
// single JVM, we have to make sure that the CLI args are reset.
System.setProperty("grails.cli.args", "");
}
CommandLineParser parser = getCommandLineParser();
DefaultCommandLine commandLine = (DefaultCommandLine) parser.parseString(scriptName, args);
setInteractive(!commandLine.hasOption(CommandLine.NON_INTERACTIVE_ARGUMENT));
if (env != null) {
commandLine.setEnvironment(env);
}
return executeCommand(commandLine, scriptName, env);
}
/**
* Evaluate the arguments to get the name of the script to execute, which environment to run it
* in, and the arguments to pass to the script. This also evaluates arguments of the form
* "-Dprop=value" and creates system properties from each one.
*
* @param args Command line arguments
*/
public static void main(String[] args) {
originalIn = System.in;
originalOut = System.out;
CommandLineParser parser = getCommandLineParser();
GrailsConsole console = GrailsConsole.getInstance();
CommandLine commandLine;
try {
if (args.length == 0) {
commandLine = new DefaultCommandLine();
} else {
commandLine = parser.parseString(args[0]);
if (commandLine.hasOption(CommandLine.NOANSI_ARGUMENT)) {
console.setAnsiEnabled(false);
}
}
} catch (ParseException e) {
console.error("Error processing command line arguments: " + e.getMessage());
System.exit(1);
return;
}
String version = System.getProperty("grails.version");
ScriptAndArgs script = processArgumentsAndReturnScriptName(commandLine);
// Get hold of the GRAILS_HOME environment variable if it is available.
String grailsHome = System.getProperty("grails.home");
// Now we can pick up the Grails version from the Ant project properties.
BuildSettings build = null;
try {
build = new BuildSettings(new File(grailsHome));
build.setModified(commandLine.hasOption(CommandLine.REFRESH_DEPENDENCIES_ARGUMENT));
build.setOffline(commandLine.hasOption(CommandLine.OFFLINE_ARGUMENT));
if (build.getRootLoader() == null) {
build.setRootLoader((URLClassLoader) GrailsScriptRunner.class.getClassLoader());
}
} catch (Exception e) {
exitWithError(
"An error occurred loading the grails-app/conf/BuildConfig.groovy file: "
+ e.getMessage(),
null);
}
// Check that Grails' home actually exists.
final File grailsHomeInSettings = build.getGrailsHome();
if (grailsHomeInSettings == null || !grailsHomeInSettings.exists()) {
exitWithError("Grails' installation directory not found: " + build.getGrailsHome(), null);
}
if (commandLine.hasOption(CommandLine.VERSION_ARGUMENT)) {
console.log("Grails version: " + build.getGrailsVersion());
System.exit(0);
}
if (commandLine.hasOption(CommandLine.HELP_ARGUMENT)) {
console.log(parser.getHelpMessage());
System.exit(0);
}
// If there aren't any arguments, then we don't have a command
// to execute, so enter "interactive mode"
boolean resolveDeps = commandLine.hasOption(CommandLine.REFRESH_DEPENDENCIES_ARGUMENT);
if (resolveDeps) {
if (commandLine.hasOption("include-source")) {
build.setIncludeSource(true);
}
if (commandLine.hasOption("include-javadoc")) {
build.setIncludeJavadoc(true);
}
}
GrailsScriptRunner scriptRunner = new GrailsScriptRunner(build);
scriptRunner.setInteractive(!commandLine.hasOption(CommandLine.NON_INTERACTIVE_ARGUMENT));
if ("Interactive".equals(script.name)) {
console.error(
"The 'interactive' script is deprecated; to run in interactive mode just omit the script name");
script.name = null;
}
if (script.name == null) {
console.updateStatus(
"Loading Grails " + (version != null ? version : build.getGrailsVersion()));
build.loadConfig();
if (resolveDeps) {
ClasspathConfigurer.cleanResolveCache(build);
}
scriptRunner.initializeState();
try {
new InteractiveMode(build, scriptRunner).run();
} catch (Throwable e) {
console.error("Interactive mode exited with error: " + e.getMessage(), e);
}
} else {
console.getCategory().push(script.inputName);
console.verbose("Base Directory: " + build.getBaseDir().getPath());
try {
int exitCode = scriptRunner.executeCommand(commandLine, script.name, script.env);
System.exit(exitCode);
} catch (ScriptNotFoundException ex) {
console.error("Script not found: " + ex.getScriptName());
} catch (Throwable t) {
String msg = "Error executing script " + script.name + ": " + t.getMessage();
exitWithError(msg, t);
}
}
}