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package com.sun.org.apache.xml.internal.utils;

Class used to verify whether the specified ch conforms to the XML 1.0 definition of whitespace.
@xsl.usageinternal
/** * Class used to verify whether the specified <var>ch</var> * conforms to the XML 1.0 definition of whitespace. * @xsl.usage internal */
public class XMLCharacterRecognizer {
Returns whether the specified ch conforms to the XML 1.0 definition of whitespace. Refer to the definition of S for details.
Params:
  • ch – Character to check as XML whitespace.
Returns:=true if ch is XML whitespace; otherwise =false.
/** * Returns whether the specified <var>ch</var> conforms to the XML 1.0 definition * of whitespace. Refer to <A href="http://www.w3.org/TR/1998/REC-xml-19980210#NT-S"> * the definition of <CODE>S</CODE></A> for details. * @param ch Character to check as XML whitespace. * @return =true if <var>ch</var> is XML whitespace; otherwise =false. */
public static boolean isWhiteSpace(char ch) { return (ch == 0x20) || (ch == 0x09) || (ch == 0xD) || (ch == 0xA); }
Tell if the string is whitespace.
Params:
  • ch – Character array to check as XML whitespace.
  • start – Start index of characters in the array
  • length – Number of characters in the array
Returns:True if the characters in the array are XML whitespace; otherwise, false.
/** * Tell if the string is whitespace. * * @param ch Character array to check as XML whitespace. * @param start Start index of characters in the array * @param length Number of characters in the array * @return True if the characters in the array are * XML whitespace; otherwise, false. */
public static boolean isWhiteSpace(char ch[], int start, int length) { int end = start + length; for (int s = start; s < end; s++) { if (!isWhiteSpace(ch[s])) return false; } return true; }
Tell if the string is whitespace.
Params:
  • buf – StringBuffer to check as XML whitespace.
Returns:True if characters in buffer are XML whitespace, false otherwise
/** * Tell if the string is whitespace. * * @param buf StringBuffer to check as XML whitespace. * @return True if characters in buffer are XML whitespace, false otherwise */
public static boolean isWhiteSpace(StringBuffer buf) { int n = buf.length(); for (int i = 0; i < n; i++) { if (!isWhiteSpace(buf.charAt(i))) return false; } return true; }
Tell if the string is whitespace.
Params:
  • s – String to check as XML whitespace.
Returns:True if characters in buffer are XML whitespace, false otherwise
/** * Tell if the string is whitespace. * * @param s String to check as XML whitespace. * @return True if characters in buffer are XML whitespace, false otherwise */
public static boolean isWhiteSpace(String s) { if(null != s) { int n = s.length(); for (int i = 0; i < n; i++) { if (!isWhiteSpace(s.charAt(i))) return false; } } return true; } }