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Eclipse Platform
Release 3.0

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org.eclipse.jface.resource
Class StringConverter

java.lang.Object
  org.eclipse.jface.resource.StringConverter

public class StringConverter

extends Object

Helper class for converting various data types to and from strings. Supported types include:

• boolean
• int
• long
• float
• double
• org.eclipse.swt.graphics.Point
• org.eclipse.swt.graphics.Rectangle
• org.eclipse.swt.graphics.RGB
• org.eclipse.swt.graphics.FontData

All methods declared on this class are static. This class cannot be instantiated.

Method Summary

static String[]	asArray(String value) Breaks out space-separated words into an array of words.
static String[]	asArray(String value, String[] dflt) /** Breaks out space-separated words into an array of words.
static boolean	asBoolean(String value) Converts the given value into a boolean.
static boolean	asBoolean(String value, boolean dflt) Converts the given value into a boolean.
static String	asDisplayableString(FontData value) Deprecated. use asString(FontData)
static double	asDouble(String value) Converts the given value into a double.
static double	asDouble(String value, double dflt) Converts the given value into a double.
static float	asFloat(String value) Converts the given value into a float.
static float	asFloat(String value, float dflt) Converts the given value into a float.
static FontData	asFontData(String value) Converts the given value into an SWT font data object.
static FontData	asFontData(String value, FontData dflt) Converts the given value into an SWT font data object.
static FontData[]	asFontDataArray(String value) Convert the given value into an array of SWT font data objects.
static int	asInt(String value) Converts the given value into an int.
static int	asInt(String value, int dflt) Converts the given value into an int.
static long	asLong(String value) Converts the given value into a long.
static long	asLong(String value, long dflt) Converts the given value into a long.
static Point	asPoint(String value) Converts the given value into an SWT point.
static Point	asPoint(String value, Point dflt) Converts the given value into an SWT point.
static Rectangle	asRectangle(String value) Converts the given value into an SWT rectangle.
static Rectangle	asRectangle(String value, Rectangle dflt) Converts the given value into an SWT rectangle.
static RGB	asRGB(String value) Converts the given value into an SWT RGB color value.
static RGB	asRGB(String value, RGB dflt) Converts the given value into an SWT RGB color value.
static String	asString(boolean value) Converts the given boolean value to a string.
static String	asString(Boolean value) Converts the given boolean object to a string.
static String	asString(double value) Converts the given double value to a string.
static String	asString(Double value) Converts the given double object to a string.
static String	asString(float value) Converts the given float value to a string.
static String	asString(Float value) Converts the given float object to a string.
static String	asString(FontData value) Converts a font data object to a string.
static String	asString(FontData[] value) Converts a font data array to a string.
static String	asString(int value) Converts the given int value to a string.
static String	asString(Integer value) Converts the given integer object to a string.
static String	asString(long value) Converts the given long value to a string.
static String	asString(Long value) Converts the given long object to a string.
static String	asString(Point value) Converts the given SWT point object to a string.
static String	asString(Rectangle value) Converts the given SWT rectangle object to a string.
static String	asString(RGB value) Converts the given SWT RGB color value object to a string.
static String	removeWhiteSpaces(String s) Returns the given string with all whitespace characters removed.

Methods inherited from class java.lang.Object

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

Method Detail

asArray

public static String[] asArray(String value)
                        throws DataFormatException

Breaks out space-separated words into an array of words. For example: "no comment" into an array a[0]="no" and a[1]= "comment".

Parameters:

value - the string to be converted

Returns:

the list of words

Throws:

DataFormatException

asArray

public static String[] asArray(String value,
                               String[] dflt)

/** Breaks out space-separated words into an array of words. For example: "no comment" into an array a[0]="no" and a[1]= "comment". Returns the given default value if the value cannot be parsed.

Parameters:

value - the string to be converted

dflt - the default value

Returns:

the list of words, or the default value

asBoolean

public static boolean asBoolean(String value)
                         throws DataFormatException

Converts the given value into a boolean. This method fails if the value does not represent a boolean.

Valid representations of true include the strings "t", "true", or equivalent in mixed or upper case. Similarly, valid representations of false include the strings "f", "false", or equivalent in mixed or upper case.

Parameters:

value - the value to be converted

Returns:

the value as a boolean

Throws:

DataFormatException - if the given value does not represent a boolean

asBoolean

public static boolean asBoolean(String value,
                                boolean dflt)

Converts the given value into a boolean. Returns the given default value if the value does not represent a boolean.

Parameters:

value - the value to be converted

dflt - the default value

Returns:

the value as a boolean, or the default value

asDouble

public static double asDouble(String value)
                       throws DataFormatException

Converts the given value into a double. This method fails if the value does not represent a double.

Parameters:

value - the value to be converted

Returns:

the value as a double

Throws:

DataFormatException - if the given value does not represent a double

asDouble

public static double asDouble(String value,
                              double dflt)

Converts the given value into a double. Returns the given default value if the value does not represent a double.

Parameters:

value - the value to be converted

dflt - the default value

Returns:

the value as a double, or the default value

asFloat

public static float asFloat(String value)
                     throws DataFormatException

Converts the given value into a float. This method fails if the value does not represent a float.

Parameters:

value - the value to be converted

Returns:

the value as a float

Throws:

DataFormatException - if the given value does not represent a float

asFloat

public static float asFloat(String value,
                            float dflt)

Converts the given value into a float. Returns the given default value if the value does not represent a float.

Parameters:

value - the value to be converted

dflt - the default value

Returns:

the value as a float, or the default value

asFontData

public static FontData asFontData(String value)
                           throws DataFormatException

Converts the given value into an SWT font data object. This method fails if the value does not represent font data.

A valid font data representation is a string of the form fontname-style-height where fontname is the name of a font, style is a font style (one of "regular", "bold", "italic", or "bold italic") and height is an integer representing the font height. Example: Times New Roman-bold-36.

Parameters:

value - the value to be converted

Returns:

the value as font data

Throws:

DataFormatException - if the given value does not represent font data

asFontDataArray

public static FontData[] asFontDataArray(String value)

Convert the given value into an array of SWT font data objects.

Parameters:

value - the font list string

Returns:

the value as a font list

Since:

3.0

asFontData

public static FontData asFontData(String value,
                                  FontData dflt)

Converts the given value into an SWT font data object. Returns the given default value if the value does not represent a font data object.

Parameters:

value - the value to be converted

dflt - the default value

Returns:

the value as a font data object, or the default value

asInt

public static int asInt(String value)
                 throws DataFormatException

Converts the given value into an int. This method fails if the value does not represent an int.

Parameters:

value - the value to be converted

Returns:

the value as an int

Throws:

DataFormatException - if the given value does not represent an int

asInt

public static int asInt(String value,
                        int dflt)

Converts the given value into an int. Returns the given default value if the value does not represent an int.

Parameters:

value - the value to be converted

dflt - the default value

Returns:

the value as an int, or the default value

asLong

public static long asLong(String value)
                   throws DataFormatException

Converts the given value into a long. This method fails if the value does not represent a long.

Parameters:

value - the value to be converted

Returns:

the value as a long

Throws:

DataFormatException - if the given value does not represent a long

asLong

public static long asLong(String value,
                          long dflt)

Converts the given value into a long. Returns the given default value if the value does not represent a long.

Parameters:

value - the value to be converted

dflt - the default value

Returns:

the value as a long, or the default value

asPoint

public static Point asPoint(String value)
                     throws DataFormatException

Converts the given value into an SWT point. This method fails if the value does not represent a point.

A valid point representation is a string of the form x,y where x and y are valid ints.

Parameters:

value - the value to be converted

Returns:

the value as a point

Throws:

DataFormatException - if the given value does not represent a point

asPoint

public static Point asPoint(String value,
                            Point dflt)

Converts the given value into an SWT point. Returns the given default value if the value does not represent a point.

Parameters:

value - the value to be converted

dflt - the default value

Returns:

the value as a point, or the default value

asRectangle

public static Rectangle asRectangle(String value)
                             throws DataFormatException

Converts the given value into an SWT rectangle. This method fails if the value does not represent a rectangle.

A valid rectangle representation is a string of the form x,y,width,height where x, y, width, and height are valid ints.

Parameters:

value - the value to be converted

Returns:

the value as a rectangle

Throws:

DataFormatException - if the given value does not represent a rectangle

asRectangle

public static Rectangle asRectangle(String value,
                                    Rectangle dflt)

Converts the given value into an SWT rectangle. Returns the given default value if the value does not represent a rectangle.

Parameters:

value - the value to be converted

dflt - the default value

Returns:

the value as a rectangle, or the default value

asRGB

public static RGB asRGB(String value)
                 throws DataFormatException

Converts the given value into an SWT RGB color value. This method fails if the value does not represent an RGB color value.

A valid RGB color value representation is a string of the form red,green,blue where red, green, and blue are valid ints.

Parameters:

value - the value to be converted

Returns:

the value as an RGB color value

Throws:

DataFormatException - if the given value does not represent an RGB color value

asRGB

public static RGB asRGB(String value,
                        RGB dflt)

Converts the given value into an SWT RGB color value. Returns the given default value if the value does not represent an RGB color value.

Parameters:

value - the value to be converted

dflt - the default value

Returns:

the value as a RGB color value, or the default value

asString

public static String asString(double value)

Converts the given double value to a string. Equivalent to String.valueOf(value).

Parameters:

value - the double value

Returns:

the string representing the given double

asString

public static String asString(float value)

Converts the given float value to a string. Equivalent to String.valueOf(value).

Parameters:

value - the float value

Returns:

the string representing the given float

asString

public static String asString(int value)

Converts the given int value to a string. Equivalent to String.valueOf(value).

Parameters:

value - the int value

Returns:

the string representing the given int

asString

public static String asString(long value)

Converts the given long value to a string. Equivalent to String.valueOf(value).

Parameters:

value - the long value

Returns:

the string representing the given long

asString

public static String asString(Boolean value)

Converts the given boolean object to a string. Equivalent to String.valueOf(value.booleanValue()).

Parameters:

value - the boolean object

Returns:

the string representing the given boolean value

asString

public static String asString(Double value)

Converts the given double object to a string. Equivalent to String.valueOf(value.doubleValue()).

Parameters:

value - the double object

Returns:

the string representing the given double value

asString

public static String asString(Float value)

Converts the given float object to a string. Equivalent to String.valueOf(value.floatValue()).

Parameters:

value - the float object

Returns:

the string representing the given float value

asString

public static String asString(Integer value)

Converts the given integer object to a string. Equivalent to String.valueOf(value.intValue()).

Parameters:

value - the integer object

Returns:

the string representing the given integer value

asString

public static String asString(Long value)

Converts the given long object to a string. Equivalent to String.valueOf(value.longValue()).

Parameters:

value - the long object

Returns:

the string representing the given long value

asString

public static String asString(FontData[] value)

Converts a font data array to a string. The string representation is that of asString(FontData) seperated by ';'

Parameters:

value - The font data.

Returns:

The string representation of the font data arra.

Since:

3.0

asString

public static String asString(FontData value)

Converts a font data object to a string. The string representation is "font name-style-height" (for example "Times New Roman-bold-36").

Parameters:

value - The font data.

Returns:

The string representation of the font data object.

asString

public static String asString(Point value)

Converts the given SWT point object to a string.

The string representation of a point has the form x,y where x and y are string representations of integers.

Parameters:

value - the point object

Returns:

the string representing the given point

asString

public static String asString(Rectangle value)

Converts the given SWT rectangle object to a string.

The string representation of a rectangle has the form x,y,width,height where x, y, width, and height are string representations of integers.

Parameters:

value - the rectangle object

Returns:

the string representing the given rectangle

asString

public static String asString(RGB value)

Converts the given SWT RGB color value object to a string.

The string representation of an RGB color value has the form red,green,blue where red, green, and blue are string representations of integers.

Parameters:

value - the RGB color value object

Returns:

the string representing the given RGB color value

asString

public static String asString(boolean value)

Converts the given boolean value to a string. Equivalent to String.valueOf(value).

Parameters:

value - the boolean value

Returns:

the string representing the given boolean

removeWhiteSpaces

public static String removeWhiteSpaces(String s)

Returns the given string with all whitespace characters removed.

All characters that have codes less than or equal to '\u0020' (the space character) are considered to be a white space.

Parameters:

s - the source string

Returns:

the string with all whitespace characters removed

asDisplayableString

public static String asDisplayableString(FontData value)

Deprecated. use asString(FontData)

Converts a font data object to a string representation for display. The string representation is "font name-style-height" (for example "Times New Roman-bold-36").

Parameters:

value - The font data.

Returns:

The string representation of the font data object.