org.springframework.boot.system

Class EmbeddedServerPortFileWriter

java.lang.Object

org.springframework.boot.system.EmbeddedServerPortFileWriter

All Implemented Interfaces:

EventListener, ApplicationListener<WebServerInitializedEvent>

public class EmbeddedServerPortFileWriter
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:

1.4.0

Author:

David Liu, Phillip Webb, Andy Wilkinson

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and 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 Detail

EmbeddedServerPortFileWriter

public EmbeddedServerPortFileWriter()

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

EmbeddedServerPortFileWriter

public EmbeddedServerPortFileWriter(String filename)

Create a new EmbeddedServerPortFileWriter instance with a specified filename.

Parameters:

filename - the name of file containing port

EmbeddedServerPortFileWriter

public EmbeddedServerPortFileWriter(File file)

Create a new EmbeddedServerPortFileWriter instance with a specified file.

Parameters:

file - the file containing port

Method Detail

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