org.freehep.application
Class PropertyUtilities

java.lang.Object
  org.freehep.application.PropertyUtilities

public abstract class PropertyUtilities

extends Object

A set of static methods for operating on a Properties set

Version:

$Id: PropertyUtilities.java,v 1.4 2003/08/15 02:20:39 tonyj Exp $

Author:

tonyj

See Also:

Properties

Source Code:

PropertyUtilities.java

Nested Class Summary

static class	PropertyUtilities.PropertyTable Creates a TableModel from a property set
static class	PropertyUtilities.TranslatedProperties A Properties object whose values and defaults are automatically translated if they contain {prop} tokens.

Constructor Summary

PropertyUtilities()

Method Summary

static boolean	getBoolean(Properties prop, String key, boolean def)
static Color	getColor(Properties prop, String key, Color def)
static float	getFloat(Properties prop, String key, float def)
static int	getInteger(Properties prop, String key)
static int	getInteger(Properties prop, String key, int def)
static Rectangle	getRectangle(Properties prop, String key, Rectangle def)
static String	getString(Properties prop, String key, String def)
static String[]	getStringArray(Properties prop, String key, String[] def)
static URL	getURL(Properties prop, String key, URL def) Load a URL from a properties file.
static void	setBoolean(Properties prop, String key, boolean value)
static void	setColor(Properties prop, String key, Color c)
static void	setFloat(Properties prop, String key, float f)
static void	setInteger(Properties prop, String key, int i)
static void	setRectangle(Properties prop, String key, Rectangle rect)
static void	setString(Properties prop, String key, String s)
static void	setStringArray(Properties prop, String key, String[] sa)
static void	setURL(Properties prop, String key, URL url)
static String	translate(Properties prop, String in) Translates a string by substituting tokens of the form {name} to the value of property name in the properties set.

Methods inherited from class java.lang.Object

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

Constructor Detail

PropertyUtilities

public PropertyUtilities()

Method Detail

getRectangle

public static Rectangle getRectangle(Properties prop,
                                     String key,
                                     Rectangle def)

Parameters:

prop - The Properties set

key - the key used to store this property

def - a default in case the property cannot be retrieved

setRectangle

public static void setRectangle(Properties prop,
                                String key,
                                Rectangle rect)

Parameters:

prop - The Properties set

key - the key used to store this property

rect - the value to store

getColor

public static Color getColor(Properties prop,
                             String key,
                             Color def)

Parameters:

prop - The Properties set

key - the key used to store this property

def - a default in case the property cannot be retrieved

setColor

public static void setColor(Properties prop,
                            String key,
                            Color c)

Parameters:

prop - The Properties set

key - the key used to store this property

c - the value to store

getStringArray

public static String[] getStringArray(Properties prop,
                                      String key,
                                      String[] def)

Parameters:

prop - The Properties set

key - the key used to store this property

def - a default in case the property cannot be retrieved

setStringArray

public static void setStringArray(Properties prop,
                                  String key,
                                  String[] sa)

Parameters:

prop - The Properties set

key - the key used to store this property

sa - the value to store

getString

public static String getString(Properties prop,
                               String key,
                               String def)

Parameters:

prop - The Properties set

key - the key used to store this property

def - a default in case the property cannot be retrieved

setString

public static void setString(Properties prop,
                             String key,
                             String s)

Parameters:

prop - The Properties set

key - the key used to store this property

s - the value to store

getBoolean

public static boolean getBoolean(Properties prop,
                                 String key,
                                 boolean def)

Parameters:

prop - The Properties set

key - the key used to store this property

def - a default in case the property cannot be retrieved

setBoolean

public static void setBoolean(Properties prop,
                              String key,
                              boolean value)

Parameters:

prop - The Properties set

key - the key used to store this property

value - the value to store

getInteger

public static int getInteger(Properties prop,
                             String key)
                      throws NumberFormatException

Parameters:

prop - The Properties set

key - the key used to store this property

Throws:

NumberFormatException - if the property retrieved cannot be converted to int

getInteger

public static int getInteger(Properties prop,
                             String key,
                             int def)

Parameters:

prop - The Properties set

key - the key used to store this property

def - a default in case the property cannot be retrieved

setInteger

public static void setInteger(Properties prop,
                              String key,
                              int i)

Parameters:

prop - The Properties set

key - the key used to store this property

i - the value to store

setFloat

public static void setFloat(Properties prop,
                            String key,
                            float f)

Parameters:

prop - The Properties set

key - the key used to store this property

f - the value to store

getFloat

public static float getFloat(Properties prop,
                             String key,
                             float def)

Parameters:

prop - The Properties set

key - the key used to store this property

def - a default in case the property cannot be retrieved

setURL

public static void setURL(Properties prop,
                          String key,
                          URL url)

getURL

public static URL getURL(Properties prop,
                         String key,
                         URL def)

Load a URL from a properties file. If the URL begins with / it is taken to be a system resource (i.e. on the classpath).

translate

public static String translate(Properties prop,
                               String in)

Translates a string by substituting tokens of the form {name} to the value of property name in the properties set.

Parameters:

prop - The properties set

in - The string to be translated

Returns:

The resulting string.