org.onosproject.net.driver

Class XmlDriverLoader

java.lang.Object

org.onosproject.net.driver.XmlDriverLoader

public class XmlDriverLoader
extends Object

Utility capable of reading driver configuration XML resources and producing a device driver provider as a result.

The drivers stream structure is as follows:

     <drivers>
         <driver name=“...” [manufacturer="..." hwVersion="..." swVersion="..."]>
             <behaviour api="..." impl="..."/>
             ...
             [<property name=“key”>value</key>]
             ...
         </driver>
         ...
     </drivers>
 

Constructor Summary

Constructors

Constructor and Description
XmlDriverLoader(ClassLoader classLoader, BehaviourClassResolver resolver) Creates a new driver loader capable of loading drivers from the supplied class loader.

Method Summary

Modifier and Type	Method and Description
DefaultDriver	loadDriver(org.apache.commons.configuration.HierarchicalConfiguration driverCfg, DriverResolver resolver) Loads a driver from the supplied hierarchical configuration.
DefaultDriverProvider	loadDrivers(org.apache.commons.configuration.HierarchicalConfiguration driversCfg, DriverResolver resolver) Loads a driver provider from the supplied hierarchical configuration.
DefaultDriverProvider	loadDrivers(InputStream driversStream, DriverResolver resolver) Loads the specified drivers resource as an XML stream and parses it to produce a ready-to-register driver provider.

Methods inherited from class java.lang.Object

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

Constructor Detail

XmlDriverLoader

public XmlDriverLoader(ClassLoader classLoader,
                       BehaviourClassResolver resolver)

Creates a new driver loader capable of loading drivers from the supplied class loader.

Parameters:

classLoader - class loader to use

resolver - behaviour class resolver

Method Detail

loadDrivers

public DefaultDriverProvider loadDrivers(InputStream driversStream,
                                         DriverResolver resolver)
                                  throws IOException

Loads the specified drivers resource as an XML stream and parses it to produce a ready-to-register driver provider.

Parameters:

driversStream - stream containing the drivers definitions

resolver - driver resolver

Returns:

driver provider

Throws:

IOException - if issues are encountered reading the stream or parsing the driver definitions within

loadDrivers

public DefaultDriverProvider loadDrivers(org.apache.commons.configuration.HierarchicalConfiguration driversCfg,
                                         DriverResolver resolver)

Loads a driver provider from the supplied hierarchical configuration.

Parameters:

driversCfg - hierarchical configuration containing the drivers definitions

resolver - driver resolver

Returns:

driver provider

loadDriver

public DefaultDriver loadDriver(org.apache.commons.configuration.HierarchicalConfiguration driverCfg,
                                DriverResolver resolver)

Loads a driver from the supplied hierarchical configuration.

Parameters:

driverCfg - hierarchical configuration containing the driver definition

resolver - driver resolver

Returns:

driver