public final void runCommand()

in util/src/main/java/com/epam/deltix/util/cmdline/AbstractShell.java [177:245]
58 lines of code
15 McCabe index (conditional complexity)

    public final void    runCommand (String key, String args, String fileId, LineNumberReader rd) {
        key = key.trim ();

        if (args != null && args.length () == 0)    // eliminate check
            args = null;
        
        Method      m = null;
        int         sig = -1;
        String      mname = "cmd_" + key;
        
        try {
            m = getClass ().getMethod (mname, String.class, String.class, LineNumberReader.class);
            sig = 3;
        } catch (NoSuchMethodException x) {
        }
        
        if (m == null) {
            try {
                m = getClass ().getMethod (mname, String.class);
                sig = 1;
            } catch (NoSuchMethodException x) {
            }
        }
        
        if (m == null) {
            try {
                m = getClass ().getMethod (mname);
                sig = 0;
            } catch (NoSuchMethodException x) {
            }
        }
        
        try {
            switch (sig) {
                case -1:
                    boolean result;
                    try {
                        result = doCommand (key, args, fileId, rd);
                    } catch (ShellCommandException e) {
                        result = true; // Command was recognized but failed to complete
                        error (e.getMessage(), e.getErrorLevel());
                    }
                    if (!result)
                        error (key + ": unrecognized command. (Type ? for usage)", 1);                    
                    break;
                    
                case 3:
                    m.invoke (this, args, fileId, rd);
                    break;
                    
                case 1:
                    m.invoke (this, args);
                    break;
                                        
                case 0:
                    m.invoke (this);
                    break;
                    
                default:
                    throw new RuntimeException ();
            }            
        } catch (Throwable x) {
            printException (x, true);            
            error (2);
        }
        
        outWriter.flush ();
        errWriter.flush ();
    }