| /** * This method takes a string which may contain HTML tags (ie, <b>, * <table>, etc) and converts the '<'' and '>' characters to * their HTML escape sequences. * * @param input the text to be converted. * @return the input string with the characters '<' and '>' replaced * with their HTML escape sequences. */ public static final String escapeHTMLTags( String input ) { //Check if the string is null or zero length -- if so, return //what was sent in. if( input == null || input.length() == 0 ) { return input; } //Use a StringBuffer in lieu of String concatenation -- it is //much more efficient this way. StringBuffer buf = new StringBuffer( input.length() ); char ch = ' '; for( int i = 0; i < input.length(); i++ ) { ch = input.charAt( i ); if( ch == '<' ) { buf.append( "<" ); } else if( ch == '>' ) { buf.append( ">" ); } else if( ch == '&' ) { buf.append( "&" ); } else if( ch == '"' ) { buf.append( """ ); } else { buf.append( ch ); } } return buf.toString(); } |
