antville/helma
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rewrote the main method: now we first create an instance of Server (but

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don't start it) and run the application and through that class. config arguments
are exactly the same as in the main Server class.

commandline arguments after the [appname.functionname] part are now
passed to the function call as arguments.

scripting exceptions from the application are caught and printed correctly.
This commit is contained in:
stefanp 2004-01-05 17:34:46 +00:00
parent f19623564c
commit a2c2fea280
1 changed files with 77 additions and 38 deletions
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115
src/helma/main/CommandlineRunner.java
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@ -40,62 +40,101 @@ public class CommandlineRunner {
*/
public static void main(String[] args) throws Exception {
// parse arguments
Config config = new Config();
String commandStr = null;
Vector funcArgs = new Vector();
// get possible environment setting for helma home
if (System.getProperty("helma.home")!=null) {
config.homeDir = new File(System.getProperty("helma.home"));
}
// parse arguments
for (int i = 0; i < args.length; i++) {
if ((i%2)==0 && !args[i].startsWith("-")) {
if (args[i].equals("-h") && ((i + 1) < args.length)) {
config.homeDir = new File(args[++i]);
} else if (args[i].equals("-f") && ((i + 1) < args.length)) {
config.propFile = new File(args[++i]);
} else if (commandStr != null) {
// we're past the command str, all args for the function
funcArgs.add (args[i]);
} else if ((i%2)==0 && !args[i].startsWith("-")) {
// first argument without a switch
commandStr = args[i];
}
}
// get server.properties from home dir or vv
try {
Server.guessConfig (config);
} catch (Exception ex) {
printUsageError(ex.toString());
System.exit(1);
}
String appName = null;
String function = null;
// now split application name + path/function-name
try {
int pos1 = commandStr.indexOf(".");
appName = commandStr.substring(0, pos1);
function = commandStr.substring(pos1+1);
} catch (Exception str) {
System.out.println("Error parsing command");
System.out.println("");
System.out.println("Usage: java helma.main.launcher.Commandline [appname].[function]");
System.out.println("");
} catch (Exception ex) {
printUsageError();
System.exit(1);
}
String installDir = System.getProperty("helma.home");
String propsPath = new File(installDir, "apps.properties").getAbsolutePath();
// try to load server properties
SystemProperties props = new SystemProperties(propsPath);
String appPath = props.getProperty(appName+".appdir");
String dbPath = props.getProperty(appName+".dbdir");
File appHome = appPath == null ?
new File(new File(installDir, "apps"), appName) :
new File(appPath);
File dbHome = dbPath == null ?
new File(new File(installDir, "db"), appName) :
new File(dbPath);
// set up helma logging
System.setProperty("org.apache.commons.logging.LogFactory",
"helma.util.Logging");
System.setProperty("helma.logdir", "console");
Application app = new Application(appName, appHome, dbHome);
// init + start the app
app.init();
app.start();
// init a server instance and start the application
Server server = new Server(config);
server.init();
server.checkAppManager(0);
server.startApplication(appName);
Application app = server.getApplication(appName);
// execute the function
Vector nargs = new Vector();
Object result = app.executeExternal(function, nargs);
System.out.println("got result " + result);
try {
Object result = app.executeExternal(function, funcArgs);
if (result != null) {
System.out.println(result.toString());
}
} catch (Exception ex) {
System.out.println("Error in application " + appName + ":");
System.out.println(ex.getMessage());
if ("true".equals(server.getProperty("debug"))) {
System.out.println("");
ex.printStackTrace();
}
}
// stop the app
app.stop();
// stop the application
server.stopApplication(appName);
}
/**
* print the usage hints and prefix them with a message.
*/
public static void printUsageError(String msg) {
System.out.println(msg);
printUsageError();
}
/**
* print the usage hints
*/
public static void printUsageError() {
System.out.println("");
System.out.println("Error parsing command");
System.out.println("");
System.out.println("Usage: java helma.main.launcher.Commandline [options] [appname].[function] [argument-list]");
System.out.println("");
System.out.println("Possible options:");
System.out.println(" -h dir Specify hop home directory");
System.out.println(" -f file Specify server.properties file");
System.out.println("");
}
}