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Class jclass.util.JCConverter

java.lang.Object
   |
   +----jclass.util.JCConverter

public class JCConverter

extends Object

JCConverter()

getParam(Applet, Component, String, String)

Gets a parameter of the applet in the following precedence:

 <component_name>.<param>
 <param>
 

toBoolean(String, boolean)

Converts a string to a boolean.

toColor(String)

Converts a string to an AWT Color.

toColor(String, Color)

Converts a string to an AWT Color.

toColorList(String, Color[])

Converts a string to an array of Colors.

toDate(String, Date)

toDimension(String, Dimension)

Converts a string to a Dimension instance.

toDouble(String, double)

Converts a string to a double.

toEnum(String, String, String[], int[], int)

Converts a string to an enum.

toEnum(String, String, String[], long[], long)

Converts a string to an enum.

toEnumList(String, String, String[], int[], int[])

Converts a string to a list of enums.

toFont(String)

Converts a font name to an AWT font instance.

toFont(String, Font)

Converts a font name to an AWT font instance.

toImage(Component, String)

Returns an image which gets pixel data from the specified file.

toImage(Component, String, Image)

Returns an image which gets pixel data from the specified file.

toImageList(Component, String, Image[])

Returns an array of images which get pixel data from the specified file.

toInsets(String, Insets)

Converts a string to an Insets instance.

toInt(String, int)

Converts a string to an integer.

toIntList(String, char, int[])

Converts a string to an array of integers based on the provided delimiter.

toJCString(Component, String, Object)

Converts a string to a String or JCString.

toPoint(String, Point)

Converts a string to a Point instance.

toStringList(String)

Converts a string to an array of Strings.

toVector(Component, String, char, boolean)

Converts a delimited list of tokens to a JCVector containing Strings or JCStrings.

toVector(Component, String, char, boolean, JCVector)

Converts a delimited list of tokens to a JCVector containing Strings or JCStrings.

  public JCConverter()

  public String getParam(Applet app,
                         Component comp,
                         String comp_name,
                         String param)

Gets a parameter of the applet in the following precedence:

 <component_name>.<param>
 <param>
 

Parameters:

app - the applet whose parameter value is retrieved; if setParamSource() has previously been called, the value will be read from the specified buffer

comp - the component used for converting images (if any), and for retrieving the parameter source

comp_name - the component name

param - the parameter to retrieve

Returns:

value string, or null if the param could not be found

See Also:

setParamSource, getParameter

  public int toInt(String s,
                   int def)

Converts a string to an integer.

Parameters:

s - the string for conversion

def - the default value to be used when a parsing error occurs

  public double toDouble(String s,
                         double def)

Converts a string to a double.

Parameters:

s - the string for conversion

def - the default value to be used when a parsing error occurs

  public boolean toBoolean(String s,
                           boolean def)

Converts a string to a boolean.

Parameters:

string - the string for conversion

def - the default value to be used when a parsing error occurs

  public int[] toIntList(String s,
                         char delim,
                         int def[])

Converts a string to an array of integers based on the provided delimiter.

Parameters:

s - the string which will be converted to integers

delim - the delimiter separating the integers in the string

def - the default value, returned if a parse error occurs

Returns:

array of integers take from the string

  public static String[] toStringList(String s)

Converts a string to an array of Strings.

Parameters:

s - the comma-separated strings

  public JCVector toVector(Component comp,
                           String s,
                           char delim,
                           boolean convert,
                           JCVector def)

Converts a delimited list of tokens to a JCVector containing Strings or JCStrings.

Parameters:

comp - any component

s - the string to convert

delim - the delimiter that separates the tokens in the string

convert - if true, a token is converted to a JCString if it contains a square bracket ([)

def - the default value, returned if a parse error occurs

  public JCVector toVector(Component comp,
                           String s,
                           char delim,
                           boolean convert)

Converts a delimited list of tokens to a JCVector containing Strings or JCStrings.

Parameters:

comp - any component

s - the string to convert

delim - the delimiter that separates the tokens in the string

convert - if true, a token is converted to a JCString if it contains a square bracket ([).

See Also:

JCString

  public Object toJCString(Component comp,
                           String s,
                           Object def)

Converts a string to a String or JCString. A token is converted to a JCString if it contains a square bracket ([).

Parameters:

comp - any component

s - the string to convert

def - the default value, returned if a parse error occurs

See Also:

JCString

  public Image toImage(Component comp,
                       String file,
                       Image def)

Returns an image which gets pixel data from the specified file. The MediaTracker class is used to wait until the image is loaded.

Parameters:

comp - the component that is loading the image; if the component is an applet in a browser, Applet.getImage() is used in order to take advantage of Applet.getDocumentBase()

file - the file containing the image to be loaded; if an http protocol is not specified (a ":" is not present), the current working directory is prepended to the file name

def - the default value, returned if a parse error occurs

See Also:

MediaTracker

  public Image toImage(Component comp,
                       String file)

Returns an image which gets pixel data from the specified file. The MediaTracker class is used to wait until the image is loaded.

Parameters:

comp - the component that is loading the image; if the component is an applet in a browser, Applet.getImage() is used in order to take advantage of Applet.getDocumentBase()

file - the file containing the image to be loaded; if an http protocol is not specified (a ":" is not present), the current working directory is prepended to the file name

Returns:

null if a parse error occurs

See Also:

MediaTracker

  public Image[] toImageList(Component comp,
                             String s,
                             Image def[])

Returns an array of images which get pixel data from the specified file.

Parameters:

s - comma-separated list of files

def - the default value, returned if a parse error occurs

See Also:

toImage

  public Color[] toColorList(String s,
                             Color def[])

Converts a string to an array of Colors.

Parameters:

s - comma-separated list of colors

def - the default value, returned if a parse error occurs

  public Color toColor(String s,
                       Color def)

Converts a string to an AWT Color.

Parameters:

s - the string containing a color name

def - the default value, returned if a parse error occurs

  public Color toColor(String s)

Converts a string to an AWT Color.

Parameters:

s - the string containing a color name

Returns:

null if parsing error occurred

  public Font toFont(String s,
                     Font def)

Converts a font name to an AWT font instance.

Parameters:

s - the string containing font name

def - the default value, returned if a parse error occurs

  public Font toFont(String s)

Converts a font name to an AWT font instance.

Parameters:

s - the string containing font name

Returns:

null if parsing error occurred

  public int toEnum(String s,
                    String type,
                    String strings[],
                    int values[],
                    int def)

Converts a string to an enum. If the string cannot be converted, an error message is written to the console.

Parameters:

s - the string to be converted

type - the enum type, used for printing error messages

strings - valid strings

values - list of values corresponding to each string

def - the default value, returned if the string could not be converted

Returns:

either the converted value or the default

  public long toEnum(String s,
                     String type,
                     String strings[],
                     long values[],
                     long def)

Converts a string to an enum. If the string cannot be converted, an error message is written to the console.

Parameters:

s - the string to be converted

type - the enum type, used for printing error messages

strings - valid strings

values - list of values corresponding to each string

def - the default value, returned if the string could not be converted

Returns:

either the converted value or the default

  public int[] toEnumList(String s,
                          String type,
                          String strings[],
                          int values[],
                          int def[])

Converts a string to a list of enums. If the string cannot be converted, an error message is written to the console.

Parameters:

s - the comma-separated list of enums

type - the enum type

strings - valid strings

values - list of values corresponding to each string

def - the default value, returned if the string could not be converted

Returns:

either the converted value or the default

  public Insets toInsets(String s,
                         Insets def)

Converts a string to an Insets instance.

Parameters:

s - the string containing the top, left, bottom and right values, separated by commas

def - the default value, returned if the string could not be converted

  public Dimension toDimension(String s,
                               Dimension def)

Converts a string to a Dimension instance.

Parameters:

s - the string in the format [width]x[height]

def - the default value, returned if the string could not be converted

  public Point toPoint(String s,
                       Point def)

Converts a string to a Point instance.

Parameters:

s - the string in the format [x],[y]

def - the default value, returned if the string could not be converted

  public Date toDate(String s,
                     Date def)

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