Java String Index Of lastIndexOfIgnoreCase(final String s, final String subS)

Description

last Index Of Ignore Case

License

Open Source License

Declaration

public static int lastIndexOfIgnoreCase(final String s, final String subS) 

Method Source Code

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

import java.util.*;

public class Main {
    public static int lastIndexOfIgnoreCase(final String s, final String subS) {
        return lastIndexOfIgnoreCase(s, subS, s.length(), 0);
    }//from   w ww .java 2s .  co m

    public static int lastIndexOfIgnoreCase(final String src, final String subS, final int startIndex) {
        return lastIndexOfIgnoreCase(src, subS, startIndex, 0);
    }

    public static int lastIndexOfIgnoreCase(final String src, String sub, int startIndex, int endIndex) {
        final int sublen = sub.length();
        final int srclen = src.length();
        if (sublen == 0) {
            return (startIndex > srclen) ? srclen : ((startIndex < -1) ? -1 : startIndex);
        }
        sub = sub.toLowerCase();
        final int total = srclen - sublen;
        if (total < 0) {
            return -1;
        }
        if (startIndex >= total) {
            startIndex = total;
        }
        if (endIndex < 0) {
            endIndex = 0;
        }
        final char c = sub.charAt(0);
        Label_0159: for (int i = startIndex; i >= endIndex; --i) {
            if (Character.toLowerCase(src.charAt(i)) == c) {
                for (int j = 1, k = i + 1; j < sublen; ++j, ++k) {
                    final char source = Character.toLowerCase(src.charAt(k));
                    if (sub.charAt(j) != source) {
                        continue Label_0159;
                    }
                }
                return i;
            }
        }
        return -1;
    }

    public static int lastIndexOfIgnoreCase(final String src, char c, int startIndex, int endIndex) {
        final int total = src.length() - 1;
        if (total < 0) {
            return -1;
        }
        if (startIndex >= total) {
            startIndex = total;
        }
        if (endIndex < 0) {
            endIndex = 0;
        }
        c = Character.toLowerCase(c);
        for (int i = startIndex; i >= endIndex; --i) {
            if (Character.toLowerCase(src.charAt(i)) == c) {
                return i;
            }
        }
        return -1;
    }

    public static int[] lastIndexOfIgnoreCase(final String s, final String[] arr) {
        return lastIndexOfIgnoreCase(s, arr, s.length());
    }

    public static int[] lastIndexOfIgnoreCase(final String s, final String[] arr, final int fromIndex) {
        final int arrLen = arr.length;
        int index = -1;
        int last = -1;
        for (int j = 0; j < arrLen; ++j) {
            final int i = lastIndexOfIgnoreCase(s, arr[j], fromIndex);
            if (i != -1 && i > index) {
                index = i;
                last = j;
            }
        }
        int[] array;
        if (last == -1) {
            array = null;
        } else {
            final int[] array2 = array = new int[2];
            array2[0] = last;
            array2[1] = index;
        }
        return array;
    }

    public static String toLowerCase(final String s) {
        return toLowerCase(s, null);
    }

    public static String toLowerCase(final String s, Locale locale) {
        if (s == null) {
            return null;
        }
        StringBuilder sb = null;
        for (int i = 0; i < s.length(); ++i) {
            final char c = s.charAt(i);
            if (c > '\u007f') {
                if (locale == null) {
                    locale = Locale.getDefault();
                }
                return s.toLowerCase(locale);
            }
            if (c >= 'A' && c <= 'Z') {
                if (sb == null) {
                    sb = new StringBuilder(s);
                }
                sb.setCharAt(i, (char) (c + ' '));
            }
        }
        if (sb == null) {
            return s;
        }
        return sb.toString();
    }

    public static String toString(final Object value) {
        if (value == null) {
            return null;
        }
        return value.toString();
    }
}

Related

1. indexOfIgnoreCase(String str, String substring)
2. indexOfMultiple(String line, char character, int count, int startIndex)
3. indexOfWord(String word, String string)
4. isPhaseGroupContainsPhase(int index, String phaseName)
5. lastIndexOf(String pattern, String s)
6. mergeStringLines(String lineOne, String lineTwo, int keyIndex, int insertingIndex)
7. readColumn(int columnIndex, String inputString, String columnSeparator)
8. removeColumn(String line, int index)
9. splitUsingIndexOf(String splittee, String splitter)