WebPluginLifeCycle (CRaSH reference documentation 1.2.10 API)

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org.crsh.plugin
Class WebPluginLifeCycle

java.lang.Object
  org.crsh.plugin.PluginLifeCycle
      org.crsh.plugin.WebPluginLifeCycle

All Implemented Interfaces:: EventListener, javax.servlet.ServletContextListener

public class WebPluginLifeCycle

extends PluginLifeCycle

implements javax.servlet.ServletContextListener

Field Summary
`private static Map<String,PluginContext>`	`contextMap` .
`private static Object`	`lock` .
`private boolean`	`registered` .

Fields inherited from class org.crsh.plugin.PluginLifeCycle
`log`

Constructor Summary
`WebPluginLifeCycle()`

Method Summary
`void`	`contextDestroyed(javax.servlet.ServletContextEvent sce)`
`void`	`contextInitialized(javax.servlet.ServletContextEvent sce)`
`protected FS`	`createCommandFS(javax.servlet.ServletContext context)` Create the command file system, this method binds the `/WEB-INF/crash/commands/` path of the servlet context.
`protected FS`	`createConfFS(javax.servlet.ServletContext context)` Create the conf file system, this method binds the `/WEB-INF/crash/` path of the servlet context.
`protected PluginDiscovery`	`createDiscovery(javax.servlet.ServletContext context, ClassLoader classLoader)` Create the service loader discovery, this can be subclassed to provide an implementation, the current implementation returns a `ServiceLoaderDiscovery` instance.
`static PluginContext`	`getPluginContext(javax.servlet.ServletContext sc)` Returns a plugin context associated with the servlet context or null if such context does not exist.

Methods inherited from class org.crsh.plugin.PluginLifeCycle
`getConfig, getContext, setConfig, start, stop`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

lock

private static final Object lock

contextMap

private static final Map<String,PluginContext> contextMap

registered

private boolean registered

Constructor Detail

WebPluginLifeCycle

public WebPluginLifeCycle()

Method Detail

getPluginContext

public static PluginContext getPluginContext(javax.servlet.ServletContext sc)
                                      throws NullPointerException

Returns a plugin context associated with the servlet context or null if such context does not exist.

Parameters:: sc - the servlet context
Returns:: the associated plugin context
Throws:: NullPointerException - if the servlet context argument is null

createDiscovery

protected PluginDiscovery createDiscovery(javax.servlet.ServletContext context,
                                          ClassLoader classLoader)

Create the service loader discovery, this can be subclassed to provide an implementation, the current implementation returns a ServiceLoaderDiscovery instance.

Parameters:: context - the servlet context; classLoader - the class loader
Returns:: the plugin discovery

contextInitialized

public void contextInitialized(javax.servlet.ServletContextEvent sce)

Specified by:: contextInitialized in interface javax.servlet.ServletContextListener

createCommandFS

protected FS createCommandFS(javax.servlet.ServletContext context)

Create the command file system, this method binds the /WEB-INF/crash/commands/ path of the servlet context.

Parameters:: context - the servlet context
Returns:: the command file system

createConfFS

protected FS createConfFS(javax.servlet.ServletContext context)

Create the conf file system, this method binds the /WEB-INF/crash/ path of the servlet context.

Parameters:: context - the servlet context
Returns:: the conf file system

contextDestroyed

public void contextDestroyed(javax.servlet.ServletContextEvent sce)

Specified by:: contextDestroyed in interface javax.servlet.ServletContextListener