Main.java Source code

Introduction

Here is the source code for Main.java

Source

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

import java.util.ArrayList;
import java.util.List;

public class Main {
    /**
     * This method adds underscore in between the words (eg: converts GeneHomolog
     * to Gene_Homolog)
     *
     * @param name
     */
    public static void evaluateString(String name, List<String> options, List<String> words) {
        if (options == null || words == null)
            throw new IllegalArgumentException("Options or Words is not initialized");

        //remove package name if the name is a class name
        if (name != null) {
            int index = name.lastIndexOf(".");
            name = name.substring(index + 1);
        }
        //Set optionSet = new HashSet();
        options.add(name);

        char firstChar = name.charAt(0);

        firstChar = Character.toUpperCase(firstChar);

        if (name.indexOf("_") > 0) {
            String temp = Character.toString(firstChar) + name.substring(1);
            options.add(temp);
        }
        String temp = firstChar + name.substring(1).toLowerCase();
        options.add(temp);

        String evaluatedString = null;
        ;

        StringBuffer wholeWords = new StringBuffer();

        StringBuffer tempSeparateWord = new StringBuffer();

        char[] chars = name.toCharArray();

        StringBuffer sb = new StringBuffer();

        boolean first = true;

        int index = 0;

        for (int i = 0; i < chars.length; i++) {
            //Character c = new Character(chars[i]);
            //System.out.println("inside loop i = " +i);
            if (Character.isUpperCase(chars[i])) {
                if ((i > 1) && ((i - index) > 1)) {
                    //System.out.println("Inside capital if");
                    first = false;

                    sb.append("_").append(chars[i]);

                    words.add(tempSeparateWord.toString());

                    tempSeparateWord = new StringBuffer();

                    tempSeparateWord.append(chars[i]);

                    wholeWords.append(" ").append(chars[i]);
                }

                else {
                    wholeWords.append(chars[i]);

                    tempSeparateWord.append(chars[i]);

                    sb.append(chars[i]);
                }

                index = i;
            }

            else {
                if (chars[i] != '_') {
                    sb.append(chars[i]);

                    wholeWords.append(chars[i]);

                    tempSeparateWord.append(chars[i]);
                }
            }
        }

        //System.out.println("Converted string: "+sb.toString());
        //if the string contains "_", then make the first character uppercase
        if (!first) {
            char c = Character.toUpperCase(sb.charAt(0));

            sb.deleteCharAt(0);

            sb.insert(0, c);

            char c1 = Character.toUpperCase(wholeWords.charAt(0));

            wholeWords.deleteCharAt(0);

            wholeWords.insert(0, c1);
        }

        options.add(sb.toString());
        options.add(wholeWords.toString());

        if (words.size() > 0) {
            /*
               StringBuffer tmp = (StringBuffer)separateWords.get(0);
               char c2 = Character.toUpperCase(tmp.charAt(0));
                    
               tmp.deleteCharAt(0);
               tmp.insert(0, c2);
                    
               separateWords.remove(0);
               separateWords.add(0, tmp);
             */
            String temp2 = words.get(words.size() - 1).toString();

            if (tempSeparateWord != null) {
                temp = tempSeparateWord.toString();

                if (temp2.compareToIgnoreCase(temp) != 0) {
                    words.add(temp);
                }
            }
        }
        List possibleOptions = new ArrayList(options);
        options = null;//garbage collection ready

        //testing
        for (int i = 0; i < possibleOptions.size(); i++) {
            System.out.println("options[" + i + "]=" + possibleOptions.get(i));
        }
        for (int i = 0; i < words.size(); i++) {
            System.out.println("separateWords[" + i + "]=" + words.get(i));
        }
        return;
    }
}