org.springframework.boot.loader.jar

Class Handler

java.lang.Object

java.net.URLStreamHandler

org.springframework.boot.loader.jar.Handler

public class Handler
extends URLStreamHandler

URLStreamHandler for Spring Boot loader JarFiles.

Author:

Phillip Webb, Andy Wilkinson

See Also:

JarFile.registerUrlProtocolHandler()

Constructor Summary

Constructors

Constructor and Description
Handler()
Handler(JarFile jarFile)

Method Summary

Modifier and Type	Method and Description
JarFile	getRootJarFileFromUrl(URL url)
protected URLConnection	openConnection(URL url)
protected void	parseURL(URL context, String spec, int start, int limit)
protected boolean	sameFile(URL u1, URL u2)
static void	setUseFastConnectionExceptions(boolean useFastConnectionExceptions) Set if a generic static exception can be thrown when a URL cannot be connected.

Methods inherited from class java.net.URLStreamHandler

equals, getDefaultPort, getHostAddress, hashCode, hostsEqual, openConnection, setURL, setURL, toExternalForm

Methods inherited from class java.lang.Object

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

Constructor Detail

Handler

public Handler()

Handler

public Handler(JarFile jarFile)

Method Detail

openConnection

protected URLConnection openConnection(URL url)
                                throws IOException

Specified by:

openConnection in class URLStreamHandler

Throws:

IOException

parseURL

protected void parseURL(URL context,
                        String spec,
                        int start,
                        int limit)

Overrides:

parseURL in class URLStreamHandler

sameFile

protected boolean sameFile(URL u1,
                           URL u2)

Overrides:

sameFile in class URLStreamHandler

getRootJarFileFromUrl

public JarFile getRootJarFileFromUrl(URL url)
                              throws IOException

Throws:

IOException

setUseFastConnectionExceptions

public static void setUseFastConnectionExceptions(boolean useFastConnectionExceptions)

Set if a generic static exception can be thrown when a URL cannot be connected. This optimization is used during class loading to save creating lots of exceptions which are then swallowed.

Parameters:

useFastConnectionExceptions - if fast connection exceptions can be used.