Class Strings

java.lang.Object
edu.umd.cs.findbugs.util.Strings
public class Strings extends Object
A class for static String utility methods.

  • Field Details

    • XML_ALLOWED_LOW_CHARACTER_BOUND

      private static final int XML_ALLOWED_LOW_CHARACTER_BOUND
      See Also:

    • xmlLowValueEscapeStringsInitialized

      private static volatile boolean xmlLowValueEscapeStringsInitialized

    • xmlLowValueEscapeStrings

      private static final String[] xmlLowValueEscapeStrings

    • escapeInitLockObject

      private static final Object escapeInitLockObject

    • unicodeUnescapeMatchExpression

      private static final String unicodeUnescapeMatchExpression
      See Also:

    • unescapePattern

      private static Pattern unescapePattern

    • patternIsInitialized

      private static volatile boolean patternIsInitialized

    • unescapeInitLockObject

      private static final Object unescapeInitLockObject

  • Constructor Details

    • Strings

      public Strings()

  • Method Details

    • trimComma

      public static String trimComma(String s)
      Trim trailing comma from given string.
      Parameters:
      s - a string
      Returns:
      the same string with trailing comma trimmed (if any)

    • isInvalidXMLCharacter

      private static boolean isInvalidXMLCharacter(int c)

    • initializeEscapeMap

      public static void initializeEscapeMap()
      Initializes the map of characters to be escaped and their corresponding escape sequences. This method will be invoked automatically the first time a string is escaped/unescaped.
      See Also:

    • escapeXml

      public static String escapeXml(String s)
      Escape XML entities and illegal characters in the given string. This enhances the functionality of org.apache.commons.lang.StringEscapeUtils.escapeXml by escaping low-valued unprintable characters, which are not permitted by the W3C XML 1.0 specification.
      Parameters:
      s - a string
      Returns:
      the same string with characters not permitted by the XML specification escaped
      See Also:

    • initializeUnescapePattern

      public static boolean initializeUnescapePattern()
      Initialize regular expressions used in unescaping. This method will be invoked automatically the first time a string is unescaped.

    • unescapeXml

      public static String unescapeXml(String s)
      Unescape XML entities and illegal characters in the given string. This enhances the functionality of org.apache.commons.lang.StringEscapeUtils.unescapeXml by unescaping low-valued unprintable characters, which are not permitted by the W3C XML 1.0 specification.
      Parameters:
      s - a string
      Returns:
      the same string with XML entities/escape sequences unescaped
      See Also:

    • escapeLFCRBackSlash

      public static String escapeLFCRBackSlash(String s)