Package org.springframework.boot.web.context

Class WebServerPortFileWriter

java.lang.Object

org.springframework.boot.web.context.WebServerPortFileWriter

All Implemented Interfaces:

EventListener, ApplicationListener<WebServerInitializedEvent>

public class WebServerPortFileWriter
extends Object
implements ApplicationListener<WebServerInitializedEvent>

An ApplicationListener that saves embedded server port and management port into file. This application listener will be triggered whenever the server starts, and the file name can be overridden at runtime with a System property or environment variable named "PORTFILE" or "portfile".

Since:

2.0.0

Author:

David Liu, Phillip Webb, Andy Wilkinson

Constructor Summary

Constructors

Constructor	Description
WebServerPortFileWriter()	Create a new WebServerPortFileWriter instance using the filename 'application.port'.
WebServerPortFileWriter(File file)	Create a new WebServerPortFileWriter instance with a specified file.
WebServerPortFileWriter(String filename)	Create a new WebServerPortFileWriter instance with a specified filename.

Method Summary

Modifier and Type	Method	Description
protected File	getPortFile(ApplicationContext applicationContext)	Return the actual port file that should be written for the given application context.
void	onApplicationEvent(WebServerInitializedEvent event)

Methods inherited from class java.lang.Object

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

Constructor Details

WebServerPortFileWriter

public WebServerPortFileWriter()

Create a new WebServerPortFileWriter instance using the filename 'application.port'.

WebServerPortFileWriter

public WebServerPortFileWriter(String filename)

Create a new WebServerPortFileWriter instance with a specified filename.

Parameters:

filename - the name of file containing port

WebServerPortFileWriter

public WebServerPortFileWriter(File file)

Create a new WebServerPortFileWriter instance with a specified file.

Parameters:

file - the file containing port

Method Details

onApplicationEvent

public void onApplicationEvent(WebServerInitializedEvent event)

Specified by:

onApplicationEvent in interface ApplicationListener<WebServerInitializedEvent>

getPortFile

protected File getPortFile(ApplicationContext applicationContext)

Return the actual port file that should be written for the given application context. The default implementation builds a file from the source file and the application context namespace if available.

Parameters:

applicationContext - the source application context

Returns:

the file that should be written