org.anc.util

Class Properties

java.lang.Object

org.anc.util.Properties

public class Properties
extends Object

A synchronization free replacement for the Properties class that uses a HashMap as the backing store.

Unlike the Java Properties class this class can only load/store to a line based UTF-8 text file. Serialization to/from XML files is not supported.

Author:

Keith Suderman

Field Summary

Fields

Modifier and Type	Field and Description
protected HashMap<String,String>	map

Constructor Summary

Constructors

Constructor and Description
Properties()

Method Summary

Modifier and Type	Method and Description
void	clear() Removes all key/value pairs from the properties table.
String	get(String key) Returns a property value from the properties table.
Iterable<String>	keys()
void	load(File file)
void	load(InputStream stream)
void	load(String path)
protected void	load(UTF8Reader utf8)
void	save(File file)
void	save(OutputStream stream)
void	save(String path)
protected void	save(UTF8Writer utf8)
void	set(String key, String value) Adds the key/value pair to the properties table.
int	size() Returns the number of key/value pairs contained in the properties table.

Methods inherited from class java.lang.Object

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

Field Detail

map

protected HashMap<String,String> map

Constructor Detail

Properties

public Properties()

Method Detail

set

public void set(String key,
                String value)

Adds the key/value pair to the properties table. Any previous key value is overwritten. Adding a key with a NULL value removes that key from the hash table.

Parameters:

key - The property to be set.

value - The value the property will be set to.

get

public String get(String key)

Returns a property value from the properties table. Returns NULL if the property has not been set, of the if the property has been removed from the table.

Parameters:

key - The property name.

Returns:

The property value, or NULL if the property has not been set.

clear

public void clear()

Removes all key/value pairs from the properties table.

size

public int size()

Returns the number of key/value pairs contained in the properties table.

keys

public Iterable<String> keys()

save

public void save(String path)
          throws UnsupportedEncodingException,
                 FileNotFoundException

Throws:

UnsupportedEncodingException

FileNotFoundException

save

public void save(File file)
          throws UnsupportedEncodingException,
                 FileNotFoundException

Throws:

UnsupportedEncodingException

FileNotFoundException

save

public void save(OutputStream stream)
          throws UnsupportedEncodingException

Throws:

UnsupportedEncodingException

save

protected void save(UTF8Writer utf8)

load

public void load(String path)
          throws IOException,
                 UnsupportedEncodingException

Throws:

IOException

UnsupportedEncodingException

load

public void load(File file)
          throws IOException,
                 UnsupportedEncodingException

Throws:

IOException

UnsupportedEncodingException

load

public void load(InputStream stream)
          throws IOException,
                 UnsupportedEncodingException

Throws:

IOException

UnsupportedEncodingException

load

protected void load(UTF8Reader utf8)
             throws IOException

Throws:

IOException