net.imagej.patcher
Class LegacyInjector

java.lang.Object
  net.imagej.patcher.LegacyInjector

public class LegacyInjector
extends Object

Overrides class behavior of ImageJ1 classes using bytecode manipulation. This class uses the CodeHacker (which uses Javassist) to inject method hooks, which are implemented in the net.imagej.patcher package.

Author:

Curtis Rueden

Constructor Summary

LegacyInjector()

Method Summary

static String	getImageJ1Version(net.imagej.patcher.CodeHacker hacker) Determines the ImageJ 1.x version without loading the ImageJ 1.x classes.
void	injectHooks(ClassLoader classLoader) Overrides class behavior of ImageJ1 classes by injecting method hooks.
void	injectHooks(ClassLoader classLoader, boolean headless) Overrides class behavior of ImageJ1 classes by injecting method hooks.
static LegacyHooks	installHooks(ClassLoader classLoader, LegacyHooks hooks)
static boolean	isImageJ1VersionAtLeast(net.imagej.patcher.CodeHacker hacker, String minimalVersion)
static void	preinit()
static void	preinit(ClassLoader classLoader)
static void	writeJar(File outputJar, boolean headless, boolean fullIJJar) Writes a .jar file with the patched classes.

Methods inherited from class java.lang.Object

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

Constructor Detail

LegacyInjector

public LegacyInjector()

Method Detail

injectHooks

public void injectHooks(ClassLoader classLoader)

Overrides class behavior of ImageJ1 classes by injecting method hooks.

Parameters:

classLoader - the class loader into which to load the patched classes

getImageJ1Version

public static String getImageJ1Version(net.imagej.patcher.CodeHacker hacker)

Determines the ImageJ 1.x version without loading the ImageJ 1.x classes.

Parameters:

hacker - the CodeHacker instance to use

Returns:

the ImageJ 1.x version

isImageJ1VersionAtLeast

public static boolean isImageJ1VersionAtLeast(net.imagej.patcher.CodeHacker hacker,
                                              String minimalVersion)

injectHooks

public void injectHooks(ClassLoader classLoader,
                        boolean headless)

Overrides class behavior of ImageJ1 classes by injecting method hooks.

Parameters:

classLoader - the class loader into which to load the patched classes

headless - whether to include headless patches

writeJar

public static void writeJar(File outputJar,
                            boolean headless,
                            boolean fullIJJar)
                     throws ClassNotFoundException,
                            IOException,
                            NotFoundException

Writes a .jar file with the patched classes.

Parameters:

outputJar - the .jar file to write to

headless - whether to include the headless patches

fullIJJar - whether to include unpatched ImageJ 1.x classes and resources, too

Throws:

ClassNotFoundException

IOException

NotFoundException

preinit

public static void preinit()

preinit

public static void preinit(ClassLoader classLoader)

installHooks

public static LegacyHooks installHooks(ClassLoader classLoader,
                                       LegacyHooks hooks)
                                throws UnsupportedOperationException

Throws:

UnsupportedOperationException