util
Class Configuration

java.lang.Object
  |
  +--java.util.Dictionary
        |
        +--java.util.Hashtable
              |
              +--java.util.Properties
                    |
                    +--util.Configuration

All Implemented Interfaces:

java.lang.Cloneable, java.util.Map, java.io.Serializable

public class Configuration

extends java.util.Properties

see 'Program Generators using Java and XML' by J. Craig Cleaveland Published in the Prentice-Hall XML series, 2001 chapter 6

changed composition with Properties to inheritance of Properties to conveniently add support for defaults

implemented getList(), added getSlice() TODO: getIntList?

author Thijs Verhagen

See Also:

Serialized Form

Nested Class Summary

Nested classes inherited from class java.util.Hashtable

Nested classes inherited from class java.util.Map

java.util.Map.Entry

Field Summary

Fields inherited from class java.util.Properties

defaults

Fields inherited from class java.util.Hashtable

Constructor Summary

Configuration()

Configuration(java.util.Properties def)

Method Summary

java.lang.String	get(java.lang.String key)
boolean	get(java.lang.String key, boolean defaultValue) evaluates 'true' or 'yes' and 'false' or 'no' (ignore case)
java.util.Properties	getAll() return all values; including values set only in defaults
int	getInt(java.lang.String key, int defaultValue)
java.util.Vector	getKeys(java.lang.String prefix, java.lang.String suffix) Gets all keys with a given prefix and suffix
java.lang.String[]	getList(java.lang.String key) Get the value as a list of strings (separated by ';')
java.util.Properties	getSlice(java.lang.String prefix, java.lang.String suffix) return property with all key/values with key with given prefix and suffix
java.util.Iterator	getSliceIt(java.lang.String prefix, java.lang.String suffix)
java.lang.String	getStrict(java.lang.String key) return value if key is
void	loadFromCP(java.lang.String fn) use class-loader to search for fn
static java.lang.String[]	parseColonSeparatedList(java.lang.String v)

Methods inherited from class java.util.Properties

getProperty, getProperty, list, list, load, propertyNames, save, setProperty, store

Methods inherited from class java.util.Hashtable

clear, clone, contains, containsKey, containsValue, elements, entrySet, equals, get, hashCode, isEmpty, keys, keySet, put, putAll, rehash, remove, size, toString, values

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Configuration

public Configuration()

Configuration

public Configuration(java.util.Properties def)

Method Detail

loadFromCP

public void loadFromCP(java.lang.String fn)
                throws java.io.IOException

use class-loader to search for fn

java.io.IOException

get

public java.lang.String get(java.lang.String key)

Returns:

String val or null

getStrict

public java.lang.String getStrict(java.lang.String key)

return value if key is

Returns:

String val or empty string

get

public boolean get(java.lang.String key,
                   boolean defaultValue)

evaluates 'true' or 'yes' and 'false' or 'no' (ignore case)

Returns:

boolean

getInt

public int getInt(java.lang.String key,
                  int defaultValue)

Returns:

int value or default value if property cannot be parsed

getKeys

public java.util.Vector getKeys(java.lang.String prefix,
                                java.lang.String suffix)

Gets all keys with a given prefix and suffix

getSlice

public java.util.Properties getSlice(java.lang.String prefix,
                                     java.lang.String suffix)

return property with all key/values with key with given prefix and suffix

See Also:

getKeys(java.lang.String, java.lang.String)

getSliceIt

public java.util.Iterator getSliceIt(java.lang.String prefix,
                                     java.lang.String suffix)

getAll

public java.util.Properties getAll()

return all values; including values set only in defaults

See Also:

Properties.defaults

getList

public java.lang.String[] getList(java.lang.String key)

Get the value as a list of strings (separated by ';')

parseColonSeparatedList

public static java.lang.String[] parseColonSeparatedList(java.lang.String v)

Returns:

null if v is empty or null