net.dpml.transit.monitor
Class RepositoryMonitorAdapter

java.lang.Object
  net.dpml.transit.monitor.AbstractAdapter
      net.dpml.transit.monitor.RepositoryMonitorAdapter

All Implemented Interfaces:

Monitor, RepositoryMonitor

public class RepositoryMonitorAdapter

extends net.dpml.transit.monitor.AbstractAdapter

implements RepositoryMonitor

Adapts repository service monitor events to a logging channel.

Version:

1.0.1

Author:

Digital Product Meta Library

Field Summary

Fields inherited from interface net.dpml.transit.monitor.Monitor

BOOTSTRAP_DEBUG_KEY

Constructor Summary

RepositoryMonitorAdapter(Adapter adapter)
Creation of a new repository monito to logging adapter.

Method Summary

void	classloaderConstructed(String type, ClassLoader classloader) Handle notification of the creation of a new classloader.
void	establishedPluginClass(Class clazz) Handle notification of the establishment of a plugin class.
void	exceptionOccurred(String method, Exception e) Handle notification of an exception related to plugin establishment.
protected Adapter	getAdapter() Returns the adapter assigned to this adaptive monitor.
void	getPluginRequested(ClassLoader parent, URI uri, Object[] args) Handle notification of a request for the establishment of a plugin.
boolean	isTraceEnabled() Test is debug trace monitoring is enabled.
void	pluginConstructorFound(Constructor constructor, Object[] args) Handle notification of the discovery of a plugin constructor.
void	pluginInstantiated(Object plugin) Handle notification of the instantiation of a plugin.
void	sequenceInfo(String info) Handle notification of an information message.
void	systemExpanded(URI plugin, URL[] urls) Handle notification of system classloader expansion.
void	trace(String message) Notify the monitor of a trace level message to log.

Methods inherited from class java.lang.Object

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

Constructor Detail

RepositoryMonitorAdapter

public RepositoryMonitorAdapter(Adapter adapter)

Creation of a new repository monito to logging adapter.

Parameters:

adapter - the logging adapter

Method Detail

sequenceInfo

public void sequenceInfo(String info)

Handle notification of an information message.

Specified by:

sequenceInfo in interface RepositoryMonitor

Parameters:

info - the message

getPluginRequested

public void getPluginRequested(ClassLoader parent,
                               URI uri,
                               Object[] args)

Handle notification of a request for the establishment of a plugin.

Specified by:

getPluginRequested in interface RepositoryMonitor

Parameters:

parent - the parent classloader

uri - the requested plugin uri

args - the supplied constructor arguments

establishedPluginClass

public void establishedPluginClass(Class clazz)

Handle notification of the establishment of a plugin class.

Specified by:

establishedPluginClass in interface RepositoryMonitor

Parameters:

clazz - the plugin class

exceptionOccurred

public void exceptionOccurred(String method,
                              Exception e)

Handle notification of an exception related to plugin establishment.

Specified by:

exceptionOccurred in interface RepositoryMonitor

Parameters:

method - the method raising the exception

e - the causal exception

pluginConstructorFound

public void pluginConstructorFound(Constructor constructor,
                                   Object[] args)

Handle notification of the discovery of a plugin constructor.

Specified by:

pluginConstructorFound in interface RepositoryMonitor

Parameters:

constructor - the constructor

args - the constructor args

pluginInstantiated

public void pluginInstantiated(Object plugin)

Handle notification of the instantiation of a plugin.

Specified by:

pluginInstantiated in interface RepositoryMonitor

Parameters:

plugin - the plugin instance

classloaderConstructed

public void classloaderConstructed(String type,
                                   ClassLoader classloader)

Handle notification of the creation of a new classloader.

Specified by:

classloaderConstructed in interface RepositoryMonitor

Parameters:

type - the type of classloader (api, spi or impl)

classloader - the new classloader

systemExpanded

public void systemExpanded(URI plugin,
                           URL[] urls)

Handle notification of system classloader expansion.

Specified by:

systemExpanded in interface RepositoryMonitor

Parameters:

plugin - the uri of the plugin requesting system classloader expansion

urls - the array of urls added to the system classloader

isTraceEnabled

public boolean isTraceEnabled()

Test is debug trace monitoring is enabled.

Returns:

true if debug trace messages are enabled else false

trace

public void trace(String message)

Notify the monitor of a trace level message to log. An implement is responsible for checking if trace debug logging is enabled before handling content.

Parameters:

message - the trace level message to log

getAdapter

protected Adapter getAdapter()

Returns the adapter assigned to this adaptive monitor.

Returns:

the assigned adapter