Example usage for java.lang String charAt

Introduction

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

Prototype

public char charAt(int index)

Source Link

Document

Returns the char value at the specified index.

Usage

From source file:Main.java

public static final String getKorean(String str) {
    String korean = "";
    char syllable;
    for (int i = 0; i < str.length(); i++) {
        syllable = str.charAt(i);
        if (Character.getType(syllable) == 5)
            korean += syllable;/*  ww w.ja  va  2s.  c o m*/
        else
            return korean;
    }
    return korean;
}

From source file:Main.java

public static String GetStringBackFromScrapedString(String input) {
    String scrampedString = "";
    for (int icount = 0; icount < input.length(); icount++) {
        char c = (char) (input.charAt(icount) - 12);
        scrampedString = scrampedString + c;
    }// w  w  w.ja  v  a 2 s  .  c  om
    return scrampedString;
}

From source file:Main.java

protected static boolean needCData(String value) {
    final int length = value.length();
    for (int i = 0; i < length; i++) {
        final char c = value.charAt(i);
        if (c <= HIGHEST_ENCODABLE_TEXT_CHAR) {
            if (c <= 0x001f) {
                if (c != '\n' && c != '\t' && c != '\r') { // fine as is
                    return true;
                }//from   w  ww . ja  va  2  s  .c  o m
            } else if (c == '<' || c == '&') {
                return true;
            }
        }
    }
    return false;
}

From source file:Main.java

private static boolean isPersianNumberLegal(String number) {
    for (int i = 0; i < number.length(); i++)
        if (!PERSIAN_TO_ENGLISH.containsKey(number.charAt(i)))
            return false;
    return true;/*from   ww w .ja v  a2  s . com*/

}

From source file:Main.java

/**
 * Get a parameter name from a method name.
 *
 * @param methodName the method name/*from   w  ww . j  a  v a2  s . co  m*/
 * @return the parameter name
 */
public static String parameterName(final String methodName) {
    StringBuilder buf = new StringBuilder(methodName.substring(3));
    buf.setCharAt(0, Character.toLowerCase(methodName.charAt(3)));
    return buf.toString();
}

From source file:Main.java

/**
 * Converts the seperators of the coords to the WKT from ts and cs
 *
 * @param coords the coords string to convert
 * @param ts the separator that separates 2 coordinates
 * @param cs the separator between 2 numbers in a coordinate
 *//*from   ww  w  . ja  va2  s .  co  m*/
public static String toWktCoords(Object coords, Object ts, Object cs) {
    String coordsString = coords.toString();
    char tsString;
    if (ts == null || ts.toString().length() == 0) {
        tsString = TS_DEFAULT;
    } else {
        tsString = ts.toString().charAt(0);
    }
    char csString;
    if (cs == null || cs.toString().length() == 0) {
        csString = CS_DEFAULT;
    } else {
        csString = cs.toString().charAt(0);
    }

    if (tsString == TS_WKT && csString == CS_WKT) {
        return coordsString;
    }

    if (tsString == CS_WKT) {
        tsString = ';';
        coordsString = coordsString.replace(CS_WKT, tsString);
    }
    coordsString = coordsString.replace(csString, CS_WKT);
    String result = coordsString.replace(tsString, TS_WKT);
    char lastChar = result.charAt(result.length() - 1);
    if (result.charAt(result.length() - 1) == TS_WKT || lastChar == CS_WKT) {
        result = result.substring(0, result.length() - 1);
    }
    return result;
}

From source file:Main.java

/**
 * Return PITarget from Processing Instruction (PI) as defined in
 * XML 1.0 Section 2.6 Processing Instructions
 *  <code>[16] PI ::= '&lt;?' PITarget (S (Char* - (Char* '?>' Char*)))? '?>'</code>
 *///  w  w w. j a v  a  2 s . co m
public static String getPITarget(XmlPullParser pp) throws IllegalStateException {
    int eventType;
    try {
        eventType = pp.getEventType();
    } catch (XmlPullParserException ex) {
        // should never happen ...
        throw new IllegalStateException(
                "could not determine parser state: " + ex + pp.getPositionDescription());
    }
    if (eventType != XmlPullParser.PROCESSING_INSTRUCTION) {
        throw new IllegalStateException("parser must be on processing instruction and not "
                + XmlPullParser.TYPES[eventType] + pp.getPositionDescription());
    }
    final String PI = pp.getText();
    for (int i = 0; i < PI.length(); i++) {
        if (isS(PI.charAt(i))) {
            // assert i > 0
            return PI.substring(0, i);
        }
    }
    return PI;
}

From source file:Main.java

private static void escapeElementEntities(StringBuilder sb, String text) {
    for (int i = 0; i < text.length(); i++) {
        char c = text.charAt(i);
        switch (c) {
        case '<':
            sb.append("&lt;");
            break;
        case '>':
            sb.append("&gt;");
            break;
        case '&':
            sb.append("&amp;");
            break;
        default://  w w  w  .  j  a va2  s  . co m
            sb.append(c);
        }
    }
}

From source file:Main.java

/**
 * Compare two strings, and return the index at which the strings begin to differ.
 * <p>//from ww w.ja v  a  2s.c  o m
 * E.g. strdiff("i am a machine", "i am a robot") -> 7
 * </p>
 *
 * @return the index where s2 and s1 begin to differ; -1 if they are equal
 */
public static int differenceAt(String s1, String s2) {
    int i;
    for (i = 0; (i < s1.length()) && (i < s2.length()); ++i) {
        if (s1.charAt(i) != s2.charAt(i)) {
            break;
        }
    }
    if ((i < s2.length()) || (i < s1.length())) {
        return i;
    }
    return -1;
}

From source file:Main.java

public static String xmlEncode(String str) {
    String ret = "";
    for (int i = 0; i < str.length(); i++) {
        char c = str.charAt(i);
        if (c >= 128 || c < 32 || c == '\'' || c == '"' || c == '<' || c == '>') {
            if (c > 0xFF)
                ret += "&#x" + String.format("%04x", (int) c) + ";";
            else//www  .  ja va  2  s . c  o  m
                ret += "&#x" + String.format("%02x", (int) c) + ";";

        } else
            ret += c;
    }
    return ret;
}