Package org.vast.sensorML

Class ProcessLoader

java.lang.Object

org.vast.sensorML.ProcessLoader

All Implemented Interfaces:

IProcessFactory

public class ProcessLoader
extends Object
implements IProcessFactory

Implementation of process factory looking up mapping from URI to actual implementation class from an XML mapping file.

Since:

Feb 15, 2006

Constructor Summary

Constructors

Constructor	Description
ProcessLoader()

Method Summary

Modifier and Type	Method	Description
static void	loadMaps(String libFileUrl, boolean replace)	Loads the URI to Process Class map using the provided XML file.
IProcessExec	loadProcess(String uri)	Loads the executable process implementation corresponding to the given URI.
static void	reloadMaps(String libFileUrl)	Reloads the URI to Process Class map using the provided XML file completely erases previous table.

Methods inherited from class java.lang.Object

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

Constructor Details

ProcessLoader

public ProcessLoader()

Method Details

loadProcess

public IProcessExec loadProcess(String uri)
                         throws ProcessException

Description copied from interface: IProcessFactory

Loads the executable process implementation corresponding to the given URI.

Specified by:

loadProcess in interface IProcessFactory

Parameters:

uri - URI of the method (i.e. the specific process to instantiate)

Returns:

the newly created process object

Throws:

ProcessException - if the process cannot be instantiated (e.g. unknown URI)

reloadMaps

public static void reloadMaps(String libFileUrl)
                       throws SMLException

Reloads the URI to Process Class map using the provided XML file completely erases previous table.

Parameters:

libFileUrl - Url to the file containing the mapping definitions

Throws:

SMLException

loadMaps

public static void loadMaps(String libFileUrl,
 boolean replace)
                     throws SMLException

Loads the URI to Process Class map using the provided XML file. Existing entries are replaced only if the replace argument is true.

Parameters:

libFileUrl - Url to the file containing the mapping definitions

replace - If true, existing entries are replaced

Throws:

SMLException