org.hotswap.agent.plugin.hotswapper

Class HotswapperPlugin

java.lang.Object

org.hotswap.agent.plugin.hotswapper.HotswapperPlugin

@Plugin(name="Hotswapper",
        description="Watch for any class file change and reload (hotswap) it on the fly.",
        testedVersions="JDK 1.7.0_45",
        expectedVersions="JDK 1.6+")
public class HotswapperPlugin
extends Object

Hotswap class changes directly via JPDA API.

This plugin creates an instance for each classloader with autoHotswap agent property set. Then it listens for .class file change and executes hotswap via JPDA API.

Author:

Jiri Bubnik

See Also:

HotSwapperJpda

Constructor Summary

Constructors

Constructor and Description
HotswapperPlugin()

Method Summary

Modifier and Type	Method and Description
static void	init(PluginConfiguration pluginConfiguration, ClassLoader appClassLoader) For each classloader check for autoHotswap configuration instance with hotswapper.
void	initHotswapCommand(ClassLoader appClassLoader, String port) Create a hotswap command using hotSwappper.
void	watchReload(CtClass ctClass, ClassLoader appClassLoader, URL url) For each changed class create a reload command.

Methods inherited from class java.lang.Object

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

Constructor Detail

HotswapperPlugin

public HotswapperPlugin()

Method Detail

watchReload

@OnClassFileEvent(classNameRegexp=".*",
                  events=MODIFY)
public void watchReload(CtClass ctClass,
                                                                                                   ClassLoader appClassLoader,
                                                                                                   URL url)
                                                                                            throws IOException,
                                                                                                   CannotCompileException

For each changed class create a reload command.

Throws:

IOException

CannotCompileException

initHotswapCommand

public void initHotswapCommand(ClassLoader appClassLoader,
                               String port)

Create a hotswap command using hotSwappper.

Parameters:

appClassLoader - it can be run in any classloader with tools.jar on classpath. AppClassLoader can be setup by maven dependency (jetty plugin), use this classloader.

port - attach the hotswapper

init

@Init
public static void init(PluginConfiguration pluginConfiguration,
                               ClassLoader appClassLoader)

For each classloader check for autoHotswap configuration instance with hotswapper.