Example usage for java.lang CharSequence charAt

Introduction

In this page you can find the example usage for java.lang CharSequence charAt.

Prototype

char charAt(int index);

Source Link

Document

Returns the char value at the specified index.

Usage

From source file:Main.java

/**
 * Green implementation of toCharArray.//from w w w. j  a  v  a  2  s  . c o  m
 *
 * @param cs the {@code CharSequence} to be processed
 * @return the resulting char array
 */
static char[] toCharArray(final CharSequence cs) {
    if (cs instanceof String) {
        return ((String) cs).toCharArray();
    } else {
        final int sz = cs.length();
        final char[] array = new char[cs.length()];
        for (int i = 0; i < sz; i++) {
            array[i] = cs.charAt(i);
        }
        return array;
    }
}

From source file:StringUtils.java

/**
 * @param stripChars if null, remove leading unicode whitespaces.
 *///from  ww  w .  ja v a2  s.c o  m
public static CharSequence stripEnd(CharSequence src, String stripChars) {
    int end;
    if (src == null || (end = src.length()) == 0) {
        return src;
    }
    if (stripChars == null) {
        while ((end != 0) && Character.isWhitespace(src.charAt(end - 1))) {
            end--;
        }
    } else if (stripChars.length() == 0) {
        return src;
    } else {
        while ((end != 0) && (stripChars.indexOf(src.charAt(end - 1)) != -1)) {
            end--;
        }
    }
    return src.subSequence(0, end);
}

From source file:Strings.java

/**
 * Returns the string constructed from the specified character
 * sequence by deaccenting each of its characters.  See {@link
 * #deAccentLatin1(char)} for details of the de-accenting.
 *
 * @param cSeq Character sequence to de accent.
 * @return De-accented version of input.
 *///from   w  w  w. j ava  2s .  com
public static String deAccentLatin1(CharSequence cSeq) {
    char[] cs = new char[cSeq.length()];
    for (int i = 0; i < cs.length; ++i)
        cs[i] = deAccentLatin1(cSeq.charAt(i));
    return new String(cs);
}

From source file:Main.java

/**
 * Test if a format string contains the given designator. Always returns
 * {@code false} if the input format is {@code null}.
 *
 * @hide//w ww .jav  a2 s.  c o  m
 */
public static boolean hasDesignator(CharSequence inFormat, char designator) {
    if (inFormat == null)
        return false;

    final int length = inFormat.length();

    int c;
    int count;

    for (int i = 0; i < length; i += count) {
        count = 1;
        c = inFormat.charAt(i);

        if (c == QUOTE) {
            count = skipQuotedText(inFormat, i, length);
        } else if (c == designator) {
            return true;
        }
    }

    return false;
}

From source file:Main.java

public static String copyString(CharSequence charSequence) {
    int length = charSequence.length();
    char[] chars = new char[length];

    if (charSequence instanceof GetChars) {
        ((GetChars) charSequence).getChars(0, length, chars, 0);
    } else {//from  ww  w .j av  a  2  s. co m
        for (int i = 0; i < length; i++) {
            chars[i] = charSequence.charAt(i);
        }
    }

    return new String(chars);
}

From source file:TextUtils.java

/**
 * Tests if s starts with t, ignoring the case of the characters
 * /*from   w  w w  . j a v a  2 s. c om*/
 * @param s
 * @param t
 * @return <code>true</code> if s.toLowerCase().equals( t.toLowerCase() ),
 *         but more efficiently
 */
public static boolean startsWithIgnoreCase(CharSequence s, CharSequence t) {
    if (s.length() < t.length()) {
        return false;
    }

    for (int i = 0; i < t.length(); i++) {
        char slc = Character.toLowerCase(s.charAt(i));
        char tlc = Character.toLowerCase(t.charAt(i));
        if (slc != tlc) {
            return false;
        }
    }
    return true;
}

From source file:StringUtils.java

/**
 * @param stripChars if null, remove leading unicode whitespaces.
 *///  ww  w  . ja  va2s .  c o m
public static CharSequence stripStart(CharSequence src, String stripChars) {
    int srclen;
    if (src == null || (srclen = src.length()) == 0) {
        return src;
    }
    int start = 0;
    if (stripChars == null) {
        while ((start != srclen) && Character.isWhitespace(src.charAt(start))) {
            start++;
        }
    } else if (stripChars.length() == 0) {
        return src;
    } else {
        while ((start != srclen) && (stripChars.indexOf(src.charAt(start)) != -1)) {
            start++;
        }
    }
    return src.subSequence(start, srclen);
}

From source file:org.diorite.chat.ChatColor.java

public static String getLastColors(final CharSequence input) {
    String result = "";
    final int length = input.length();
    for (int index = length - 1; index > -1; index--) {
        final char section = input.charAt(index);
        if ((section == COLOR_CHAR) && (index < (length - 1))) {
            final char c = input.charAt(index + 1);
            final ChatColor color = getByChar(c);
            if (color != null) {
                result = color.toString() + result;
                if ((color.isColor()) || (color.equals(RESET))) {
                    break;
                }/*  ww w .  j  a va 2s  .  c o m*/
            }
        }
    }
    return result;
}

From source file:net.seleucus.wsp.crypto.FwknopSymmetricCrypto.java

protected static boolean equals(CharSequence a, CharSequence b) {
    if (a.length() != b.length())
        return false;
    boolean result = true;
    for (int i = 0; i < a.length(); i++) {
        if (a.charAt(i) != b.charAt(i))
            result = false;//from  ww  w.  j  a v a  2  s  . c  o  m
    }
    return result;
}

From source file:com.googlecode.jcimd.charset.GsmCharsetProvider.java

/**
 * Returns the number of bytes needed to encode the given character
 * sequence as GSM 3.38 (7-bit) default alphabet. Returns -1 if the
 * given sequence contains a character that cannot be encoded.
 *
 * @param s the given character sequence
 * @return the number of bytes needed to encode the given character
 * sequence as GSM 3.38 (7-bit) default alphabet. Otherwise, -1 is
 * returned./*from  w ww  .j  a  va2  s  .co  m*/
 */
public static int countGsm7BitCharacterBytes(CharSequence s) {
    int length = s.length();
    int totalBits = 0, bits = 0;
    for (int i = 0; i < length; i++) {
        bits = countGsm7BitCharacterBits(s.charAt(i));
        if (bits < 0) {
            return -1;
        }
        totalBits += bits;
    }
    // Divide bits by 8 rounding up
    // (bits + 8 - 1) / 8
    return (totalBits + 7) / 8;
}