mods.thecomputerizer.theimpossiblelibrary.api.core

Class ClassHelper

java.lang.Object

mods.thecomputerizer.theimpossiblelibrary.api.core.ClassHelper

public class ClassHelper
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
ClassHelper()

Method Summary

Modifier and Type	Method and Description
static java.net.URL	absoluteLocation(java.net.URL url, java.lang.String className) Uses the URL of a class resources and its name to try and extract the original class path.
static java.lang.String	absoluteLocationStr(java.net.URL url, java.lang.String className)
static void	addSource(java.util.Set<java.lang.String> sources, java.lang.Class<?> clazz)
static boolean	addSourceTo(java.lang.Class<?> c, java.lang.ClassLoader to)
static java.util.Map<?,?>	burningWaveProperties()
static void	checkBurningWaveInit()
static java.lang.String	className(java.lang.Class<?> clazz) Returns the full name of the class or an empty string if the class is null.
static java.lang.String	className(java.lang.Class<?> clazz, boolean simple) Returns either the full or simple name of the class or an empty string if the class is null.
static java.lang.String	className(java.lang.Object obj) Returns the full name of the class of the object or an empty string if the object is null.
static java.lang.String	className(java.lang.Object obj, boolean simple) Returns either the full or simple name of the class of the object or an empty string if the object is null.
static java.lang.Class<?>	defineAndResolveClass(java.lang.ClassLoader loader, java.lang.String name, byte[] byteCode)
static java.lang.Class<?>	defineClass(java.lang.ClassLoader loader, java.lang.String className, byte[] bytes) Defines and resolves a class from byteCode
static java.lang.Class<?>	defineClass(java.lang.ClassLoader loader, java.lang.String name, java.nio.ByteBuffer buffer) Defines and resolves a class from byteCode
static java.lang.Class<?>	defineClass(java.lang.ClassLoader loader, java.lang.String name, java.net.URL url) Find the byteCode of a class at the given URL defines it on the given ClassLoader.
static java.lang.String	descriptor(java.lang.Class<?> clazz)
static java.lang.String	descriptor(java.lang.String classpath)
static java.lang.Class<?>	existsOn(java.lang.String name, java.lang.ClassLoader loader) Returns a class of the given name on the given ClassLoader.
static java.lang.Class<?>	findClass(java.lang.String name) Finds a class from the input name via the context ClassLoader.
static java.lang.Class<?>	findClass(java.lang.String name, boolean initialize) Finds a class from the input name via the context ClassLoader.
static java.lang.Class<?>	findClass(java.lang.String name, boolean initialize, java.lang.ClassLoader classLoader)
static java.lang.Class<?>	findClass(java.lang.String name, boolean initialize, java.lang.ClassLoader classLoader, boolean forceLoader) Finds a class from the input name via the input ClassLoader.
static java.lang.Class<?>	findClass(java.lang.String name, java.lang.ClassLoader classLoader) Finds a class from the input name via the input ClassLoader.
static java.lang.Class<?>[]	findClasses(boolean initialize, java.lang.ClassLoader classLoader, java.lang.String... names)
static java.lang.Class<?>[]	findClasses(boolean initialize, java.lang.String... names)
static java.lang.Class<?>[]	findClasses(java.lang.ClassLoader classLoader, java.lang.String... names)
static java.lang.Class<?>[]	findClasses(java.lang.String... names)
static java.lang.Class<?>	findClassFrom(java.lang.Class<?> clazz, java.lang.String simpleName)
static java.lang.Class<?>	findClassFrom(java.lang.Class<?> clazz, java.lang.String simpleName, boolean initialize)
static java.lang.Class<?>	findClassFrom(java.lang.Class<?> clazz, java.lang.String simpleName, boolean initialize, java.lang.ClassLoader classLoader)
static java.lang.Class<?>	findClassFrom(java.lang.Class<?> clazz, java.lang.String simpleName, java.lang.ClassLoader classLoader)
static java.lang.Class<?>	findClassFrom(java.lang.Package pkg, java.lang.String simpleName)
static java.lang.Class<?>	findClassFrom(java.lang.Package pkg, java.lang.String simpleName, boolean initialize)
static java.lang.Class<?>	findClassFrom(java.lang.Package pkg, java.lang.String simpleName, boolean initialize, java.lang.ClassLoader classLoader)
static java.lang.Class<?>	findClassFrom(java.lang.Package pkg, java.lang.String simpleName, java.lang.ClassLoader classLoader)
static byte[]	getClassBytes(java.lang.Class<?> clazz)
static java.net.URL	getJarResource(java.lang.String path, java.lang.String relativePath)
static java.lang.String	getResourcePath(java.lang.String className)
static java.net.URL	getSourceURL(java.lang.Class<?> clazz)
static java.net.URL	getSourceURL(java.lang.String className, java.lang.ClassLoader loader)
static java.lang.String	getSourceURLStr(java.lang.String className, java.lang.ClassLoader loader)
static <T> T	initialize(java.lang.Class<T> clazz, java.lang.Object... args)
static java.lang.String	internalName(java.lang.Class<?> clazz)
static java.lang.String	internalName(java.lang.String classpath)
static void	loadClass(java.lang.Class<?> clazz)
static void	loadClass(java.lang.ClassLoader classLoader, java.lang.Class<?> clazz)
static void	loadClass(java.lang.ClassLoader classLoader, java.lang.String classpath, byte[] bytes)
static void	loadClass(java.lang.String classpath, byte[] bytes)
static boolean	loadURL(java.net.URLClassLoader classLoader, java.net.URL url)
static void	moveClassTo(java.lang.Class<?> c, java.lang.ClassLoader target)
static java.lang.String	packageName(java.lang.Class<?> clazz)
static java.lang.Class<?>	resolveClass(java.lang.ClassLoader classLoader, java.lang.Class<?> clazz) Defines and resolves a class from byteCode
static java.lang.String	signature(java.lang.Class<?> clazz, java.lang.Class<?>... parameters) Builds a signature via classes
static java.lang.String	signatureClasspath(java.lang.String classpath, java.lang.String... parameterPaths) Builds a signature via classpaths
static java.lang.String	signatureDesc(java.lang.String desc, java.lang.String... parameterDescs) Builds a signature via class descriptors
static java.lang.String	signatureInternal(java.lang.String name, java.lang.String... parameterNames) Builds a signature via internal names
static java.lang.Class<?>	syncDirect(java.lang.ClassLoader loader, java.lang.Class<?> clazz)
static void	syncSourcesAndLoadClass(java.lang.ClassLoader syncFrom, java.lang.ClassLoader syncTo, java.lang.String className, java.util.function.BiFunction<java.lang.ClassLoader,java.net.URL,java.lang.Boolean> urlLoader)
static void	syncSourcesForClass(java.lang.ClassLoader syncFrom, java.lang.ClassLoader syncTo, java.lang.String className, java.util.function.BiFunction<java.lang.ClassLoader,java.net.URL,java.lang.Boolean> urlLoader, java.lang.String... classesToLoad)
static java.lang.String	withPkgName(java.lang.Class<?> ref, java.lang.String simpleName) Returns the full name of a class via another class in the same package and its simple name or the simple name if the reference class is null
static java.lang.String	withPkgName(java.lang.Package pkg, java.lang.String simpleName) Returns the full name of a class via another class in the same package and its simple name or the simple name if the reference class is null

Methods inherited from class java.lang.Object

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

Constructor Detail

ClassHelper

public ClassHelper()

Method Detail

absoluteLocation

public static java.net.URL absoluteLocation(@Nullable
                                            java.net.URL url,
                                            java.lang.String className)

Uses the URL of a class resources and its name to try and extract the original class path. The className input here should be the relative path rather than the binary name of the class.

absoluteLocationStr

@Nullable
public static java.lang.String absoluteLocationStr(@Nullable
                                                              java.net.URL url,
                                                              java.lang.String className)

addSource

public static void addSource(java.util.Set<java.lang.String> sources,
                             java.lang.Class<?> clazz)

addSourceTo

public static boolean addSourceTo(java.lang.Class<?> c,
                                  java.lang.ClassLoader to)

burningWaveProperties

public static java.util.Map<?,?> burningWaveProperties()

checkBurningWaveInit

public static void checkBurningWaveInit()

className

public static java.lang.String className(@Nullable
                                         java.lang.Object obj)

Returns the full name of the class of the object or an empty string if the object is null.

className

public static java.lang.String className(@Nullable
                                         java.lang.Class<?> clazz)

Returns the full name of the class or an empty string if the class is null.

className

public static java.lang.String className(@Nullable
                                         java.lang.Object obj,
                                         boolean simple)

Returns either the full or simple name of the class of the object or an empty string if the object is null.

className

public static java.lang.String className(@Nullable
                                         java.lang.Class<?> clazz,
                                         boolean simple)

Returns either the full or simple name of the class or an empty string if the class is null.

defineAndResolveClass

@Nullable
public static java.lang.Class<?> defineAndResolveClass(java.lang.ClassLoader loader,
                                                                  java.lang.String name,
                                                                  byte[] byteCode)

defineClass

@Nullable
public static java.lang.Class<?> defineClass(java.lang.ClassLoader loader,
                                                        java.lang.String name,
                                                        java.net.URL url)

Find the byteCode of a class at the given URL defines it on the given ClassLoader. Returns null if no valud byteCode was found from the URL.

defineClass

public static java.lang.Class<?> defineClass(java.lang.ClassLoader loader,
                                             java.lang.String className,
                                             @Nullable
                                             byte[] bytes)

Defines and resolves a class from byteCode

defineClass

public static java.lang.Class<?> defineClass(java.lang.ClassLoader loader,
                                             java.lang.String name,
                                             @Nullable
                                             java.nio.ByteBuffer buffer)

Defines and resolves a class from byteCode

descriptor

public static java.lang.String descriptor(java.lang.Class<?> clazz)

descriptor

public static java.lang.String descriptor(java.lang.String classpath)

existsOn

public static java.lang.Class<?> existsOn(java.lang.String name,
                                          java.lang.ClassLoader loader)

Returns a class of the given name on the given ClassLoader. Returns null without throwing any errors if the class does not exist.

findClass

@Nullable
public static java.lang.Class<?> findClass(java.lang.String name)

Finds a class from the input name via the context ClassLoader. Returns null if the class does not exist.

findClass

@Nullable
public static java.lang.Class<?> findClass(java.lang.String name,
                                                      java.lang.ClassLoader classLoader)

Finds a class from the input name via the input ClassLoader. Returns null if the class does not exist.

findClass

@Nullable
public static java.lang.Class<?> findClass(java.lang.String name,
                                                      boolean initialize)

Finds a class from the input name via the context ClassLoader. Set initialize to false if you don't want the Class to be loaded in case it doesn't exist. Returns null if the class does not exist.

findClass

@Nullable
public static java.lang.Class<?> findClass(java.lang.String name,
                                                      boolean initialize,
                                                      java.lang.ClassLoader classLoader)

findClass

@Nullable
public static java.lang.Class<?> findClass(java.lang.String name,
                                                      boolean initialize,
                                                      java.lang.ClassLoader classLoader,
                                                      boolean forceLoader)

Finds a class from the input name via the input ClassLoader. If the class is found on a different ClassLoader and forceLoader is true it will be defined on the given loader Set initialize to false if you don't want the Class to be loaded in case it doesn't exist. Returns null if the class does not exist.

findClasses

@Nullable
public static java.lang.Class<?>[] findClasses(java.lang.String... names)

findClasses

@Nullable
public static java.lang.Class<?>[] findClasses(java.lang.ClassLoader classLoader,
                                                          java.lang.String... names)

findClasses

@Nullable
public static java.lang.Class<?>[] findClasses(boolean initialize,
                                                          java.lang.String... names)

findClasses

@Nullable
public static java.lang.Class<?>[] findClasses(boolean initialize,
                                                          java.lang.ClassLoader classLoader,
                                                          java.lang.String... names)

findClassFrom

@Nullable
public static java.lang.Class<?> findClassFrom(@Nullable
                                                          java.lang.Class<?> clazz,
                                                          java.lang.String simpleName)

findClassFrom

@Nullable
public static java.lang.Class<?> findClassFrom(@Nullable
                                                          java.lang.Package pkg,
                                                          java.lang.String simpleName)

findClassFrom

@Nullable
public static java.lang.Class<?> findClassFrom(@Nullable
                                                          java.lang.Class<?> clazz,
                                                          java.lang.String simpleName,
                                                          java.lang.ClassLoader classLoader)

findClassFrom

@Nullable
public static java.lang.Class<?> findClassFrom(@Nullable
                                                          java.lang.Package pkg,
                                                          java.lang.String simpleName,
                                                          java.lang.ClassLoader classLoader)

findClassFrom

@Nullable
public static java.lang.Class<?> findClassFrom(@Nullable
                                                          java.lang.Class<?> clazz,
                                                          java.lang.String simpleName,
                                                          boolean initialize)

findClassFrom

@Nullable
public static java.lang.Class<?> findClassFrom(@Nullable
                                                          java.lang.Package pkg,
                                                          java.lang.String simpleName,
                                                          boolean initialize)

findClassFrom

@Nullable
public static java.lang.Class<?> findClassFrom(@Nullable
                                                          java.lang.Class<?> clazz,
                                                          java.lang.String simpleName,
                                                          boolean initialize,
                                                          java.lang.ClassLoader classLoader)

findClassFrom

@Nullable
public static java.lang.Class<?> findClassFrom(@Nullable
                                                          java.lang.Package pkg,
                                                          java.lang.String simpleName,
                                                          boolean initialize,
                                                          java.lang.ClassLoader classLoader)

getClassBytes

public static byte[] getClassBytes(java.lang.Class<?> clazz)

getJarResource

public static java.net.URL getJarResource(java.lang.String path,
                                          java.lang.String relativePath)

getResourcePath

public static java.lang.String getResourcePath(java.lang.String className)

getSourceURL

@Nullable
public static java.net.URL getSourceURL(@Nullable
                                                   java.lang.String className,
                                                   java.lang.ClassLoader loader)

getSourceURL

@Nullable
public static java.net.URL getSourceURL(@Nullable
                                                   java.lang.Class<?> clazz)

getSourceURLStr

@Nullable
public static java.lang.String getSourceURLStr(@Nullable
                                                          java.lang.String className,
                                                          java.lang.ClassLoader loader)

initialize

@Nullable
public static <T> T initialize(@Nullable
                                          java.lang.Class<T> clazz,
                                          java.lang.Object... args)

internalName

public static java.lang.String internalName(java.lang.Class<?> clazz)

internalName

public static java.lang.String internalName(java.lang.String classpath)

loadClass

public static void loadClass(java.lang.String classpath,
                             byte[] bytes)

loadClass

public static void loadClass(java.lang.ClassLoader classLoader,
                             java.lang.String classpath,
                             byte[] bytes)

loadClass

public static void loadClass(java.lang.Class<?> clazz)

loadClass

public static void loadClass(java.lang.ClassLoader classLoader,
                             @Nullable
                             java.lang.Class<?> clazz)

loadURL

public static boolean loadURL(java.net.URLClassLoader classLoader,
                              java.net.URL url)

moveClassTo

public static void moveClassTo(java.lang.Class<?> c,
                               java.lang.ClassLoader target)

packageName

public static java.lang.String packageName(@Nullable
                                           java.lang.Class<?> clazz)

resolveClass

public static java.lang.Class<?> resolveClass(java.lang.ClassLoader classLoader,
                                              @Nullable
                                              java.lang.Class<?> clazz)

Defines and resolves a class from byteCode

signature

public static java.lang.String signature(java.lang.Class<?> clazz,
                                         java.lang.Class<?>... parameters)

Builds a signature via classes

signatureClasspath

public static java.lang.String signatureClasspath(java.lang.String classpath,
                                                  java.lang.String... parameterPaths)

Builds a signature via classpaths

signatureDesc

public static java.lang.String signatureDesc(java.lang.String desc,
                                             java.lang.String... parameterDescs)

Builds a signature via class descriptors

signatureInternal

public static java.lang.String signatureInternal(java.lang.String name,
                                                 java.lang.String... parameterNames)

Builds a signature via internal names

syncSourcesAndLoadClass

public static void syncSourcesAndLoadClass(java.lang.ClassLoader syncFrom,
                                           java.lang.ClassLoader syncTo,
                                           java.lang.String className,
                                           java.util.function.BiFunction<java.lang.ClassLoader,java.net.URL,java.lang.Boolean> urlLoader)

syncDirect

public static java.lang.Class<?> syncDirect(java.lang.ClassLoader loader,
                                            java.lang.Class<?> clazz)

syncSourcesForClass

public static void syncSourcesForClass(java.lang.ClassLoader syncFrom,
                                       java.lang.ClassLoader syncTo,
                                       java.lang.String className,
                                       java.util.function.BiFunction<java.lang.ClassLoader,java.net.URL,java.lang.Boolean> urlLoader,
                                       @Nullable
                                       java.lang.String... classesToLoad)

withPkgName

public static java.lang.String withPkgName(@Nullable
                                           java.lang.Class<?> ref,
                                           java.lang.String simpleName)

Returns the full name of a class via another class in the same package and its simple name or the simple name if the reference class is null

withPkgName

public static java.lang.String withPkgName(@Nullable
                                           java.lang.Package pkg,
                                           java.lang.String simpleName)

Returns the full name of a class via another class in the same package and its simple name or the simple name if the reference class is null