static Map parseCommandLine()

in src/main/java/org/apache/sling/launchpad/app/Main.java [631:682]
47 lines of code
13 McCabe index (conditional complexity)

    static Map<String, String> parseCommandLine(String... args) {
        Map<String, String> commandLine = new HashMap<String, String>();
        boolean readUnparsed = false;
        for (int argc = 0; args != null && argc < args.length; argc++) {
            String arg = args[argc];

            if (readUnparsed) {
                commandLine.put(arg, arg);
            } else if (arg.startsWith("-")) {
                if (arg.length() == 1) {
                   readUnparsed = true;
                } else {
                    String key = String.valueOf(arg.charAt(1));
                    if (arg.length() > 2) {
                        final String val;
                        final int indexOfEq = arg.indexOf('=');
                        if (indexOfEq != -1) {
                            //Handle case -Da=b
                            key = arg.substring(1, indexOfEq);
                            val = arg.substring(indexOfEq + 1);
                        } else {
                            val = arg.substring(2);
                        }
                        commandLine.put(key, val);
                    } else {
                        argc++;
                        if (argc < args.length
                            && (args[argc].equals("-") || !args[argc].startsWith("-"))) {
                            String val = args[argc];

                            //Special handling for -D a=b
                            if(key.equals("D")){
                                final int indexOfEq = val.indexOf('=');
                                if (indexOfEq != -1) {
                                    //Handle case -D a=b. Add key as Da
                                    key = "D" + val.substring(0, indexOfEq);
                                    val = val.substring(indexOfEq + 1);
                                }
                            }
                            commandLine.put(key, val);
                        } else {
                            commandLine.put(key, key);
                            argc--;
                        }
                    }
                }
            } else {
                commandLine.put(arg, arg);
            }
        }
        return commandLine;
    }