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:com.cognifide.qa.bb.aem.touch.util.DataPathUtil.java

/**
 * Method normalizes data path. Checks if last character of path is digit, if yes, then returns substring
 * before last {@code _} occurrence.//from   w w w.  ja v  a  2  s .  co m
 * Example: for given in parameter string '/title_1234' method will return '/title'
 *
 * @param dataPath data path.
 * @return normalized data path.
 */
public static String normalize(String dataPath) {
    return Character.isDigit(dataPath.charAt(dataPath.length() - 1))
            ? StringUtils.substringBeforeLast(dataPath, "_")
            : dataPath;
}

From source file:Main.java

public static boolean isZero(String id) {
    for (int i = 0; i < id.length(); i++) {
        char index = id.charAt(i);
        if (index != '0')
            return false;
    }//from  w w  w .j  a v a  2s  . c o m
    return true;
}

From source file:Main.java

/**
 * Check if the expected character exist at the given offset in the value.
 * //from   w ww  .j  a va2 s .  c  om
 * @param value the string to check at the specified offset
 * @param offset the offset to look for the expected character
 * @param expected the expected character
 * @return true if the expected character exist at the given offset
 */
private static boolean checkOffset(String value, int offset, char expected) {
    return (offset < value.length()) && (value.charAt(offset) == expected);
}

From source file:Main.java

private static int findTypeEnd(@Nonnull String str, int index) {
    char c = str.charAt(index);
    switch (c) {// www .  ja v a2  s.co m
    case 'Z':
    case 'B':
    case 'S':
    case 'C':
    case 'I':
    case 'J':
    case 'F':
    case 'D':
        return index + 1;
    case 'L':
        while (str.charAt(index++) != ';') {
        }
        return index;
    case '[':
        while (str.charAt(index++) != '[') {
        }
        return findTypeEnd(str, index);
    default:
        throw new IllegalArgumentException(String.format("Param string \"%s\" contains invalid type prefix: %s",
                str, Character.toString(c)));
    }
}

From source file:Main.java

public static boolean is_hex_char(String str) {
    for (int i = 0; i < str.length(); i++) {
        char c = str.charAt(i);

        if (!((c >= '0' && c <= '9') || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F'))) {
            return false;
        }/*from   w ww . java 2  s.co m*/
    }
    return true;
}

From source file:Main.java

public static String getBaseName(String name, boolean bracketed) {
    String result = name;
    if (bracketed) {
        if (result.charAt(result.length() - 1) != ')')
            return name;
        result = result.substring(0, result.length() - 1);
    }/*from   w w w  .j a  v  a 2 s. co  m*/
    while (Character.isDigit(result.charAt(result.length() - 1)))
        result = result.substring(0, result.length() - 1);
    if (bracketed) {
        if (!result.substring(result.length() - 2).equals(" (")) //$NON-NLS-1$
            return name;
        result = result.substring(0, result.length() - 2);
    }
    return result;
}

From source file:Main.java

/**
 * Decode a base64 string into a long value.
 *///from w w w  . ja  va 2 s .  c om
public static long longFromBase64(String value) {
    int pos = 0;
    long longVal = base64Values[value.charAt(pos++)];
    int len = value.length();
    while (pos < len) {
        longVal <<= 6;
        longVal |= base64Values[value.charAt(pos++)];
    }
    return longVal;
}

From source file:Main.java

/**
 * Convert a Cygwin based path to Windows format e.g. /cygdrive/c/file.txt
 * to C:\\file.txt//from w  w w.j av  a  2s .co  m
 * @param cygPath Cygwin based path
 * @return Windows path
 */
public static String toWindowsPath(String cygPath) {
    StringBuilder sb = new StringBuilder();
    sb.append(cygPath.charAt(10)).append(":\\");
    if (cygPath.length() > 12) {
        sb.append(cygPath.substring(12));
    }
    return sb.toString();
}

From source file:Main.java

/**
 * Generate capitalized string/* ww  w  . j  a v a 2  s.  co  m*/
 *
 * @param  line      string to be capitalized
 * @return capitalized string
 */
private static String capitalize(final String line) {
    return Character.toUpperCase(line.charAt(0)) + line.substring(1);
}

From source file:FastParser.java

/**
 * Parse the int at index from value. The int is assumed to run until
 * the end of the String.//from   w ww.j av  a2s  .  c o m
 */
public static int parseInt(String value, int index) {
    char c = value.charAt(index++);
    int ans;
    if (c == '-')
        ans = -(value.charAt(index++) - '0');
    else
        ans = c - '0';
    int n = value.length();
    for (; index < n;) {
        ans = ans * 10 + (value.charAt(index++) - '0');
    }
    return ans;
}