chemaxon.util
Class HTMLTools

java.lang.Object
  chemaxon.util.HTMLTools

public class HTMLTools
extends java.lang.Object

Tools that can be applied in the development of servlets or JSP scripts handling JChem resources.

Author:

Ferenc Csizmadia

Method Summary

static java.lang.String	convertForAppletParameter(java.lang.String input) Converts a string to a format that can be used as a value of an applet parameter in an HTML page.
static java.lang.String	convertForJavaScript(java.lang.String input) Converts a string to a format that can be used as a value of JavaScript variable in an HTML page.
static java.lang.String	exceptionToPage(java.lang.Throwable e) Creates an HTML page that displays the message(s) of an exception.
static java.lang.String	exceptionToString(java.lang.Throwable e) Prints the message(s) of an exception in HTML format
static java.awt.Color	getColor(java.lang.String s) Converts the string to a Color Object.
static java.lang.String	getHTMLColorString(java.awt.Color color) Returns the HTML string representation of a Color
static java.lang.String	insertStringBeforeLineEnds(java.lang.String input, java.lang.String insertion) Inserts the specified string before the ends of lines.
static java.lang.String	stringToPage(java.lang.String text) Creates an HTML page that displays the specified HTML text.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

insertStringBeforeLineEnds

public static java.lang.String insertStringBeforeLineEnds(java.lang.String input,
                                                          java.lang.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 java.lang.String convertForJavaScript(java.lang.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 java.lang.String convertForAppletParameter(java.lang.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 java.lang.String exceptionToString(java.lang.Throwable e)

Prints the message(s) of an exception in HTML format

Returns:

a string containing the message.

stringToPage

public static java.lang.String stringToPage(java.lang.String text)

Creates an HTML page that displays the specified HTML text.

Returns:

a string containing the HTML page.

exceptionToPage

public static java.lang.String exceptionToPage(java.lang.Throwable e)

Creates an HTML page that displays the message(s) of an exception.

Returns:

a string containing the HTML page.

getHTMLColorString

public static java.lang.String getHTMLColorString(java.awt.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 java.awt.Color getColor(java.lang.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