MetricsServlet.ContextListener

java.lang.Object
- com.codahale.metrics.servlets.MetricsServlet.ContextListener

All Implemented Interfaces:

java.util.EventListener, javax.servlet.ServletContextListener

Enclosing class:

MetricsServlet
```
public abstract static class MetricsServlet.ContextListener
extends java.lang.Object
implements javax.servlet.ServletContextListener
```
An abstract ServletContextListener which allows you to programmatically inject the MetricRegistry, rate and duration units, and allowed origin for MetricsServlet.

Constructor Summary

Constructors
Constructor Description

ContextListener()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`contextDestroyed(javax.servlet.ServletContextEvent event)`
`void`	`contextInitialized(javax.servlet.ServletContextEvent event)`
`protected java.lang.String`	`getAllowedOrigin()`	Returns the `Access-Control-Allow-Origin` header value, if any.
`protected java.util.concurrent.TimeUnit`	`getDurationUnit()`	Returns the `TimeUnit` to which durations should be converted, or `null` if the default should be used.
`protected abstract MetricRegistry`	`getMetricRegistry()`	Returns the `MetricRegistry` to inject into the servlet context.
`protected java.util.concurrent.TimeUnit`	`getRateUnit()`	Returns the `TimeUnit` to which rates should be converted, or `null` if the default should be used.

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

- Constructor Detail
  - ContextListener
```
public ContextListener()
```
- Method Detail
  - getMetricRegistry
```
protected abstract MetricRegistry getMetricRegistry()
```
    Returns the MetricRegistry to inject into the servlet context.
  - getRateUnit
```
protected java.util.concurrent.TimeUnit getRateUnit()
```
    Returns the TimeUnit to which rates should be converted, or null if the default should be used.
  - getDurationUnit
```
protected java.util.concurrent.TimeUnit getDurationUnit()
```
    Returns the TimeUnit to which durations should be converted, or null if the default should be used.
  - getAllowedOrigin
```
protected java.lang.String getAllowedOrigin()
```
    Returns the Access-Control-Allow-Origin header value, if any.
  - contextInitialized
```
public void contextInitialized(javax.servlet.ServletContextEvent event)
```
    Specified by:
    
    contextInitialized in interface javax.servlet.ServletContextListener
  - contextDestroyed
```
public void contextDestroyed(javax.servlet.ServletContextEvent event)
```
    Specified by:
    
    contextDestroyed in interface javax.servlet.ServletContextListener