Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

public class Main {
    public static String trimToId(String aName) {
        String result = aName;

        // if no name was given, generate an id
        if (result == null || result.isEmpty()) {
            return "id_" + java.util.UUID.randomUUID().toString();
        }
        // must be at least 2 characters long,must start with a letter
        else if (result.length() < 2 || !Character.isLetter(result.charAt(0))) {
            result = "id_" + result;
        }

        // capitalize, except first char (lower case)
        String[] words = result.split("\\W+"); // split into words
        result = ""; // reset result and build new
        for (int i = 0; i < words.length; i++) {
            result += (i == 0) ?
            // keep first word as is
                    words[i] :
                    // following words capitalize first char
                    words[i].substring(0, 1).toUpperCase() + words[i].substring(1);
        }

        // umlauts, whitespaces and periods are not allowed
        result = result.replaceAll("\\s", "").replaceAll("\\.", "").replaceAll("\\u00c4", "Ae")
                .replaceAll("\\u00e4", "ae").replaceAll("\\u00d6", "Oe").replaceAll("\\u00f6", "oe")
                .replaceAll("\\u00dc", "Ue").replaceAll("\\u00fc", "ue").replaceAll("\\u00df", "ss");

        return result;
    }
}