Package chemaxon.util

Class HTMLTools

  • @PublicAPI
public class HTMLTools
extends Object
    Tools that can be applied in the development of servlets or JSP scripts handling JChem resources.

    • Method Detail

      • insertStringBeforeLineEnds

        public static String insertStringBeforeLineEnds​(String input,
                                                String insertion)
        Inserts the specified string before the ends of lines. For example, the insertion of backslash characters is needed for placing molfiles and compressed molfiles into HTML pages generated by scripts or servlets.
        Parameters:
        input - string containing line terminators
        insertion - string to be inserted into inputString before line terminators
        Returns:
        the modified string.

      • convertForJavaScript

        public static String convertForJavaScript​(String input)
        Converts a string to a format that can be used as a value of JavaScript variable in an HTML page. Converts line separators to UNIX style and replaces new line characters with a backslash and an "n" character.
        Parameters:
        input - original string containing line terminators
        Returns:
        the modified string.

      • convertForAppletParameter

        public static String convertForAppletParameter​(String input)
        Converts a string to a format that can be used as a value of an applet parameter in an HTML page. Converts line separators to UNIX style and places a backslash after line separators.
        Parameters:
        input - original string containing line terminators
        Returns:
        the modified string.

      • exceptionToString

        public static String exceptionToString​(Throwable e)
        Prints the message(s) of an exception in HTML format
        Parameters:
        e - the exception to convert
        Returns:
        a string containing the message.

      • stringToPage

        public static String stringToPage​(String text)
        Creates an HTML page that displays the specified HTML text.
        Parameters:
        text - the content of the page
        Returns:
        a string containing the HTML page.

      • exceptionToPage

        public static String exceptionToPage​(Throwable e)
        Creates an HTML page that displays the message(s) of an exception.
        Parameters:
        e - the exception to use.
        Returns:
        a string containing the HTML page.

      • getHTMLColorString

        public static String getHTMLColorString​(Color color)
        Returns the HTML string representation of a Color
        Parameters:
        color - the color
        Returns:
        the HTML color string, for example #ff0000 is red.

      • getColor

        public static Color getColor​(String s)
        Converts the string to a Color Object. String may be in hexadecimal HTML format, or a color constant. Supported colors: 
         1.: Hexa RGB: #RRGGBB                exmaple: "#00FF00" means full green
 2.: Java awt.Color constant names    examples: "cyan", "orange", "pink"
 3.: Standard VGA colors:
      "black"         #000000
      "white"         #FFFFFF
      "red"           #FF0000
      "yellow"        #FFFF00
      "lime"          #00FF00
      "aqua"          #00FFFF
      "blue"          #0000FF
      "fuchsia"       #FF00FF
      "gray"          #808080
      "silver"        #C0C0C0
      "maroon"        #800000
      "olive"         #808000
      "green"         #008000
      "teal"          #008080
      "navy"          #000080
      "purple"        #800080
 4.: Other colors:
      "brown"         #5C3317
            "darkgreen"     #006400
        Parameters:
        s - the color String to be parsed
        Returns:
        the corresponding Color object, or null, if parsing was not successful since 2.2