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:FileUtils.java

public static URL getRelativePathToURL(String root, String name) {
    String dir = root != null ? root : "";
    try {/*  ww  w .j  ava 2s . com*/
        String file = getFilePath(name);
        if (file.length() > 0 && file.charAt(0) != '/') {
            dir = dir != null ? dir.replace(SEPARATOR, '/') + '/' : "/";
            if (dir.charAt(0) != '/')
                dir = "/" + dir;
            file = dir + file;
        }
        return new URL("file", "", file);
    } catch (MalformedURLException e) {
        return null;
    }
}

From source file:Main.java

public static String invert(String s) {
    String temp = "";
    for (int i = s.length() - 1; i >= 0; i--)
        temp += s.charAt(i);
    return temp;/* w  w  w .j av a  2s  .co  m*/
}

From source file:com.gargoylesoftware.js.CodeUpdater.java

private static boolean isCodeStart(final String line) {
    return !line.isEmpty() && Character.isAlphabetic(line.charAt(0)) && !line.startsWith("package")
            && !line.startsWith("import");
}

From source file:Main.java

public static String shortenText(final String content, final int length) {
    String result = content.substring(0, length);
    if (content.charAt(length) != ' ')
        result = result.substring(0, result.lastIndexOf(" "));
    return result;
}

From source file:eu.scape_project.hawarp.utils.StringUtils.java

public static String ensureTrailSep(String path) {
    if (path.charAt(path.length() - 1) != File.separatorChar) {
        path += File.separator;/*w ww  . j a  v  a 2s .  co m*/
    }
    return path;
}

From source file:Main.java

public static String getNifLetter(int dni) {
    String nifChars = "TRWAGMYFPDXBNJZSQVHLCKET";
    int module = dni % 23;
    Character nifChar = nifChars.charAt(module);
    return nifChar.toString();
}

From source file:Main.java

public static boolean isAzStyle(String peer_id) {
    if (peer_id.charAt(0) != '-') {
        return false;
    }/*from  w  w w  .j  a  v a 2  s  .  c  o  m*/
    if (peer_id.charAt(7) == '-') {
        return true;
    }

    /**
     * Hack for FlashGet - it doesn't use the trailing dash.
     * Also, LH-ABC has strayed into "forgetting about the delimiter" territory.
     * 
     * In fact, the code to generate a peer ID for LH-ABC is based on BitTornado's,
     * yet tries to give an Az style peer ID... oh dear.
     * 
     * BT Next Evolution seems to be in the same boat as well. 
     * 
     * KTorrent 3 appears to use a dash rather than a final character. 
     */
    if (peer_id.substring(1, 3).equals("FG")) {
        return true;
    }
    if (peer_id.substring(1, 3).equals("LH")) {
        return true;
    }
    if (peer_id.substring(1, 3).equals("NE")) {
        return true;
    }
    if (peer_id.substring(1, 3).equals("KT")) {
        return true;
    }
    if (peer_id.substring(1, 3).equals("SP")) {
        return true;
    }
    return false;
}

From source file:StringUtil.java

/**
 * Removes the double quote from the start and end of the supplied string if
 * it starts and ends with this character. This method does not create a new
 * string if <tt>text</tt> doesn't start and end with double quotes, the
 * <tt>text</tt> object itself is returned in that case.
 * /*from w w w.jav  a 2  s. c  o m*/
 * @param text
 *        The string to remove the double quotes from.
 * @return The trimmed string, or a reference to <tt>text</tt> if it did
 *         not start and end with double quotes.
 */
public static String trimDoubleQuotes(String text) {
    int textLength = text.length();

    if (textLength >= 2 && text.charAt(0) == '"' && text.charAt(textLength - 1) == '"') {
        return text.substring(1, textLength - 1);
    }

    return text;
}

From source file:TextUtilities.java

/**
 * Locates the start of the word at the specified position.
 * // www  .  j  av a2  s. co m
 * @param line
 *           The text
 * @param pos
 *           The position
 */
public static int findWordStart(String line, int pos, String noWordSep) {
    char ch = line.charAt(pos - 1);

    if (noWordSep == null)
        noWordSep = "";
    boolean selectNoLetter = (!Character.isLetterOrDigit(ch) && noWordSep.indexOf(ch) == -1);

    int wordStart = 0;
    for (int i = pos - 1; i >= 0; i--) {
        ch = line.charAt(i);
        if (selectNoLetter ^ (!Character.isLetterOrDigit(ch) && noWordSep.indexOf(ch) == -1)) {
            wordStart = i + 1;
            break;
        }
    }

    return wordStart;
}

From source file:Main.java

private static char getType(Object object) {
    String s = object.getClass().getName();
    for (int i = 0; i < s.length(); i++) {
        if (s.charAt(i) == '[') {
            continue;
        }/*from w  w  w  . j av  a 2  s  .c  o  m*/
        return s.charAt(i);
    }
    return 0;
}