Running AppleScripts, from Cocoa by calling the command-line tool, osascript

RunAppleScriptInShell.m

// This method executes an AppleScript given the source-code, using the command-line tool called osascript
// Note that this is a demo and doesn't do any error-checking yet such as for AppleScript syntax errors
// and AppleScript runtime errors.
+ (void)execute:(NSString *)source
{
    @try {
        NSTask *task = [[NSTask alloc] init];
        [task setLaunchPath:@"/usr/bin/osascript"];
        NSString *arguments = [NSString stringWithFormat:@"-e %@", source];
        [task setArguments:[NSArray arrayWithObjects:arguments, nil]];
        [task launch];
        [task waitUntilExit];
        NSLog(@"osascript succeeded");
  } @catch (NSException *e) {
        NSLog(@"osascript failed, reason: %@", [e reason]);
    }
}

// This method calls the execute method to execute a simple AppleScript
- (IBAction)test01:(id)sender
{
    NSString *source =  @"say \"Hello World\"\n";
    [AppDelegate execute:source];
}

// This method calls the execute method to execute an AppleScript that is a little more complicated
// and does user-interaction
- (IBAction)test02:(id)sender
{
    NSString *source =  @"tell application \"Finder\"\n"
                        @"    activate\n"
                        @"    delay 1\n"
                        @"    try\n"
                        @"        «event GKKJload»\n"
                        @"    on error msg number num\n"
                        @"        display dialog \"another try\"  buttons{\"i see\"} default button 1 with icon caution with title \"aaa\"\n"
                        @"    end try\n"
                        @"end tell";
    [AppDelegate execute:source];
}