erland.util
Class ParameterStorageTree

java.lang.Object
  erland.util.ParameterStorageTree

All Implemented Interfaces:

ParameterValueStorageExInterface, ParameterValueStorageInterface

public class ParameterStorageTree
extends Object
implements ParameterValueStorageExInterface

Get parameters from an XML document

Author:

Erland Isaksson

Constructor Summary

ParameterStorageTree(StorageInterface storage, StorageFactoryInterface subStorageFactory)
Create an instance which accesses data in the specified storage

Method Summary

void	delParameter(String name) Delete a parameter
String	getParameter(String str) Get a parameter value
StorageInterface	getParameterAsStorage(String name) Retreives the parameter as a StorageInterface object instead of a value Observe that this is a new StorageInterface object and will not be related to any of your other StorageInterface objects
void	setParameter(String name, String value) Set a parameter value
void	setParameterAsStorage(String name, StorageInterface value) Sets the parameter as a StorageInterface object instead of a value Observe that this is a new StorageInterface object must have been retreived with the ParameterValueStorageExInterface.getParameterAsStorage(String) method
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ParameterStorageTree

public ParameterStorageTree(StorageInterface storage,
                            StorageFactoryInterface subStorageFactory)

Create an instance which accesses data in the specified storage

Parameters:

storage - The storage object

subStorageFactory - A storage factory that should be used when creating new sub storages

Method Detail

getParameter

public String getParameter(String str)

Description copied from interface: ParameterValueStorageInterface

Get a parameter value

Specified by:

getParameter in interface ParameterValueStorageInterface

Parameters:

str - The name of the parameter

Returns:

The value of the parameter, will be an empty string if the parameter does not exist

setParameter

public void setParameter(String name,
                         String value)

Description copied from interface: ParameterValueStorageInterface

Set a parameter value

Specified by:

setParameter in interface ParameterValueStorageInterface

Parameters:

name - The name of the parameter

value - The value of the parameter

delParameter

public void delParameter(String name)

Description copied from interface: ParameterValueStorageInterface

Delete a parameter

Specified by:

delParameter in interface ParameterValueStorageInterface

Parameters:

name - The name of the parameter

setParameterAsStorage

public void setParameterAsStorage(String name,
                                  StorageInterface value)

Description copied from interface: ParameterValueStorageExInterface

Sets the parameter as a StorageInterface object instead of a value Observe that this is a new StorageInterface object must have been retreived with the ParameterValueStorageExInterface.getParameterAsStorage(String) method

Specified by:

setParameterAsStorage in interface ParameterValueStorageExInterface

Parameters:

name - The name of the parameter to set

value - The value as a StorageInterface object

getParameterAsStorage

public StorageInterface getParameterAsStorage(String name)

Description copied from interface: ParameterValueStorageExInterface

Retreives the parameter as a StorageInterface object instead of a value Observe that this is a new StorageInterface object and will not be related to any of your other StorageInterface objects

Specified by:

getParameterAsStorage in interface ParameterValueStorageExInterface

Parameters:

name - The name of the parameter to retreive

Returns:

A StorageInterface object containing the value of the parameter

toString

public String toString()

Overrides:

toString in class Object