org.xins.common.servlet
Class ServletConfigPropertyReader

java.lang.Object
  org.xins.common.servlet.ServletConfigPropertyReader

All Implemented Interfaces:

PropertyReader, Serializable

public final class ServletConfigPropertyReader

extends Object

implements PropertyReader

Implementation of a PropertyReader that returns the initialization properties from a ServletConfig object.

Since:

XINS 1.0.0

Version:

$Revision: 1.13 $ $Date: 2006/08/28 09:12:35 $

Author:

Ernst de Haan

See Also:

Serialized Form

Constructor Summary

ServletConfigPropertyReader(ServletConfig servletConfig)
Constructs a new ServletConfigPropertyReader.

Method Summary

String	get(String name) Retrieves the value of the property with the specified name.
Iterator	getNames() Returns an Iterator that returns all property names.
int	size() Determines the number of properties.

Methods inherited from class java.lang.Object

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

Constructor Detail

ServletConfigPropertyReader

public ServletConfigPropertyReader(ServletConfig servletConfig)
                            throws IllegalArgumentException

Constructs a new ServletConfigPropertyReader.

Parameters:

servletConfig - the ServletConfig object, cannot be null.

Throws:

IllegalArgumentException - if servletConfig == null.

Method Detail

get

public String get(String name)
           throws IllegalArgumentException

Retrieves the value of the property with the specified name.

Specified by:

get in interface PropertyReader

Parameters:

name - the name of the property, cannot be null.

Returns:

the value of the property, possibly null.

Throws:

IllegalArgumentException - if name == null.

getNames

public Iterator getNames()

Returns an Iterator that returns all property names.

Specified by:

getNames in interface PropertyReader

Returns:

an Iterator for all property names, never null.

size

public int size()

Determines the number of properties.

Specified by:

size in interface PropertyReader

Returns:

the size, always >= 0.