Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

public class Main {
    public static final String DEFAULT_CATEGORIES = "no category";

    public static String getDefaultCategory(final String categoryString) {
        String firstCategory = null;
        final String[] categories = splitCategoryString(categoryString);
        for (final String cat : categories) {
            final String category = cat.trim();
            if (isDefault(category)) {
                return category.substring(getNumDashes(category), category.length() - 1);
            }
            if (firstCategory == null) {
                firstCategory = category.substring(getNumDashes(category));
            }
        }
        return firstCategory;
    }

    private static String[] splitCategoryString(final String categoryString) {
        final String catStr = (categoryString == null ? DEFAULT_CATEGORIES : categoryString);
        return catStr.split(",");
    }

    static boolean isDefault(final String category) {
        return category.endsWith("*");
    }

    static int getNumDashes(final String category) {
        int i = 0;
        while (i < category.length() && (int) category.charAt(i) == (int) '-') {
            i++;
        }
        return i;
    }
}