Class XMLUtil


  • public class XMLUtil
    extends Object
    Contains utility methods for XML.
    Since:
    5.0.6
    Author:
    Balder
    • Constructor Detail

      • XMLUtil

        public XMLUtil()
    • Method Detail

      • escapeXML

        public static String escapeXML​(String s,
                                       boolean onlyASCII)
        Escapes a string with the appropriated XML codes.
        Parameters:
        s - the string to be escaped
        onlyASCII - codes above 127 will always be escaped with &#nn; if true
        Returns:
        the escaped string
        Since:
        5.0.6
      • unescapeXML

        public static String unescapeXML​(String s)
        Unescapes a String, replacing &#nn;, <, >, &, ", and &apos to the corresponding characters.
        Parameters:
        s - a String with entities
        Returns:
        the unescaped string
      • unescape

        public static int unescape​(String s)
        Unescapes 'lt', 'gt', 'apos', 'quote' and 'amp' to the corresponding character values.
        Parameters:
        s - a string representing a character
        Returns:
        a character value
      • isValidCharacterValue

        public static boolean isValidCharacterValue​(String s)
        Checks if a character value should be escaped/unescaped.
        Parameters:
        s - the String representation of an integer
        Returns:
        true if it's OK to escape or unescape this value
      • isValidCharacterValue

        public static boolean isValidCharacterValue​(int c)
        Checks if a character value should be escaped/unescaped.
        Parameters:
        c - a character value
        Returns:
        true if it's OK to escape or unescape this value
      • findInArray

        public static int findInArray​(char needle,
                                      char[] haystack,
                                      int start)
        Looks for a character in a character array, starting from a certain position
        Parameters:
        needle - the character you're looking for
        haystack - the character array
        start - the start position
        Returns:
        the position where the character was found, or -1 if it wasn't found.
      • getEncodingName

        public static String getEncodingName​(byte[] b4)
        Returns the IANA encoding name that is auto-detected from the bytes specified, with the endian-ness of that encoding where appropriate. (method found in org.apache.xerces.impl.XMLEntityManager, originally published by the Apache Software Foundation under the Apache Software License; now being used in iText under the MPL)
        Parameters:
        b4 - The first four bytes of the input.
        Returns:
        an IANA-encoding string
        Since:
        5.0.6