Example usage for java.lang Character isLetterOrDigit

Introduction

In this page you can find the example usage for java.lang Character isLetterOrDigit.

Prototype

public static boolean isLetterOrDigit(int codePoint)

Source Link

Document

Determines if the specified character (Unicode code point) is a letter or digit.

Usage

From source file:com.agiletec.aps.system.common.entity.model.attribute.HypertextAttribute.java

/** 
 * Return the requested number of characters of the text associated to this attribute, in the current 
 * language purged by the HTML tags, if any.
 * @param n The number of characters to return 
 * @return The string of text with the desired length.
 * @deprecated It might return less characters than requested. Use the getHeadEscaped instead
 *//*from  www .  j a  v a  2 s .co  m*/
public String getHead(int n) {
    HtmlHandler htmlhandler = new HtmlHandler();
    String parsedText = htmlhandler.getParsedText(super.getText());
    String head = parsedText;
    if (n < parsedText.length()) {
        while ((Character.isLetterOrDigit(parsedText.charAt(n)) || (parsedText.charAt(n) == ';'))
                && (n < parsedText.length())) {
            n++;
        }
        head = parsedText.substring(0, n);
    }
    return head;
}

From source file:org.jboss.tools.openshift.common.core.utils.StringUtils.java

public static boolean isAlphaNumericOrUnderscore(String value) {
    for (int i = 0; i < value.length(); ++i) {
        final char c = value.charAt(i);
        if (c != '_') {
            if (!Character.isLetterOrDigit(c)) {
                return false;
            }/* ww w  . ja v a  2 s . co m*/
        }
    }
    return true;
}

From source file:ed.util.LicenseHeaderCheck.java

boolean skip(File f) {

    final String fString = f.toString();

    if (fString.contains("/.git"))
        return true;

    for (String test : _skip)
        if (fString.contains(test))
            return true;

    final String name = f.getName();

    if (name.endsWith("~"))
        return true;

    if (name.equals("db") || name.equals("README"))
        return true;

    if (name.equals("_init.js"))
        return false;

    if (!Character.isLetterOrDigit(name.charAt(0)))
        return true;

    if (name.toLowerCase().startsWith("makefile") || name.toLowerCase().startsWith("oplog"))
        return true;

    if (name.contains(".")) {
        final String ext = ed.appserver.MimeTypes.getExtension(f);
        if (_skipExtensions.contains(ext))
            return true;
    }//from w  ww.  ja  v a2  s  . c om

    return false;
}

From source file:org.silverpeas.core.util.EncodingUtil.java

/**
   * If the value contains one character which is neither an alphanumeric, neither a whitespace
   * neither a punctuation character, then the encoding has to be checked
   * @param value the value to verify./* w  ww  .  ja  v a  2  s .co  m*/
   * @return true if the encoding of the given value has to be checked.
   */
  private static boolean hasEncodingToBeChecked(String value) {
      if (value != null) {
          char[] chars = value.toCharArray();
          for (char currentChar : chars) {
              if (!Character.isLetterOrDigit(currentChar) && !Character.isWhitespace(currentChar)
                      && !ArrayUtils.contains(PUNCTUATION, currentChar)) {
                  return true;
              }
          }
      }
      return false;
  }

From source file:com.linuxbox.enkive.docsearch.indri.IndriQueryComposer.java

/**
 * Sanitize search term by only allowing letters, digits, and a small subset
 * of symbols./*from w  w  w  .  ja  v a2  s.  c o m*/
 * 
 * @param buffer
 */
protected static void sanitizeStringBuffer(StringBuffer buffer) {
    for (int i = buffer.length() - 1; i >= 0; i--) {
        Character c = buffer.charAt(i);
        if (!Character.isLetterOrDigit(c) && !allowableSymbols.contains(c)) {
            buffer.deleteCharAt(i);
        }
    }
}

From source file:de.innovationgate.webgate.api.jdbc.PortletRegistryImplV4.java

public static String buildNamespacePrefix(String dbkey) {

    dbkey = dbkey.toLowerCase();//from  w  ww.  j  av a 2 s  . c  om
    String prefix = StringUtils.left(dbkey, 1) + StringUtils.right(dbkey, 2);
    if (prefix.length() < 3) {
        prefix += StringUtils.repeat("x", 3 - prefix.length());
    }

    // Escape non alphanumeric characters as x
    char[] chars = prefix.toCharArray();
    for (int i = 0; i < chars.length; i++) {
        if (!Character.isLetterOrDigit(chars[i])) {
            chars[i] = 'x';
        }
    }

    return new String(chars);

}

From source file:co.uk.sentinelweb.drawcustom.api.DrawCustomSetTemplate.java

public static boolean checkTypeName(Context c, String s) throws Exception {
    if (s == null) {
        throw new Exception("typeName is null");
    }//from ww w . j a  v a2s.com
    String fullName = getFullName(c, s);
    String typeName = getTypeFromFull(fullName);
    for (int i = typeName.length() - 1; i > 0; i--) {
        if (!Character.isLetterOrDigit(typeName.charAt(i)) && typeName.charAt(i) != '_') {
            throw new Exception("Illegal type name, letters, digits or underscores only");
        }
    }
    return true;
}

From source file:net.jforum.util.URLNormalizer.java

  /**
 * //from  w  ww  .  j a  va2 s  .  co m
 * @param url the url to normalize
 * @param limit do not process more than <code>limit + 1</code> chars
 * @param friendlyTruncate If <code>true</code>, will try to not cut a word if
 * more than <code>limit</code> chars were processed. It will stop in the next
 * special char
 * @return the normalized url
 */
public static String normalize(String url, int limit, boolean friendlyTruncate)
{
  char[] chars = url.toCharArray();
    
  StringBuffer sb = new StringBuffer(url.length());
    
  for (int i = 0; i < chars.length; i++) {
    if (i <= limit || (friendlyTruncate && i > limit && sb.charAt(sb.length() - 1) != '_')) {
        
      if (Character.isSpaceChar(chars[i]) || chars[i] == '-') {
        if (friendlyTruncate && i > limit) {
          break;
        }
          
        if (i > 0 && sb.charAt(sb.length() - 1) != '_') {
          sb.append('_');
        }
      }
        
      if (Character.isLetterOrDigit(chars[i])) {
        sb.append(chars[i]);
      }
      else if (friendlyTruncate && i > limit) {
        break;
      }
    }
  }
    
  return sb.toString().toLowerCase();
}

From source file:Main.java

/**
 * Find the start of the next token.  A token is composed of letters and numbers. Any other
 * character are considered delimiters.//from   w  w w . java 2s  .co  m
 *
 * @param line The string to search for the next token.
 * @param startIndex The index to start searching.  0 based indexing.
 * @return The index for the start of the next token.  line.length() if next token not found.
 */
@VisibleForTesting
static int findNextTokenStart(String line, int startIndex) {
    int index = startIndex;

    // If already in token, eat remainder of token.
    while (index <= line.length()) {
        if (index == line.length()) {
            // No more tokens.
            return index;
        }
        final int codePoint = line.codePointAt(index);
        if (!Character.isLetterOrDigit(codePoint)) {
            break;
        }
        index += Character.charCount(codePoint);
    }

    // Out of token, eat all consecutive delimiters.
    while (index <= line.length()) {
        if (index == line.length()) {
            return index;
        }
        final int codePoint = line.codePointAt(index);
        if (Character.isLetterOrDigit(codePoint)) {
            break;
        }
        index += Character.charCount(codePoint);
    }

    return index;
}

From source file:com.pfarrell.utils.misc.TextTools.java

/**
 * make a string with no whitespace at all
 * @param arg  string/*from   w ww  .j a v  a2 s .c  o  m*/
 * @return string with no whitespace
 */
public static String justLettersOrDigits(String arg) {
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < arg.length(); i++) {
        int c = arg.codePointAt(i);
        if (Character.isLetterOrDigit(c)) {
            sb.appendCodePoint(c);
        }
    }
    return sb.toString();
}