classUtils.putils
Class ClassPathUtils

java.lang.Object
  classUtils.putils.ClassPathUtils

public class ClassPathUtils
extends java.lang.Object

Constructor Summary

ClassPathUtils()

Method Summary

static void	addClassPath(java.io.File[] f) Insert the file into the head of the java.class.path
static void	addClassPath(java.lang.String dir) Insert the directory into the head of the java.class.path
static java.util.Vector	buildTree(java.lang.Class[] ca)
static boolean	contains(java.lang.String s1, java.lang.String s2)
static int	countJars(java.lang.String[] s)
static void	dumpAClassFile()
static void	dumpAllFilesInADirectory()
static void	dumpClassFile(java.io.File f)
static void	dumpClassFile(java.io.File[] f)
static void	fixClassPath()
static java.lang.Class	getAClassUntested(byte[] b)
static java.util.jar.JarFile	getAJarFile()
static byte[]	getByteCodes(java.util.jar.JarFile jf, java.util.jar.JarEntry je)
static java.lang.Class	getClass(java.io.File f1) This will allow the user to adjust the class path until a class loads.
static java.lang.Class	getClass(java.lang.String className)
static java.util.jar.JarEntry[]	getClassEntries(java.util.jar.JarFile jf)
static java.lang.Class[]	getClasses() list all the classes loaded into the system.
static java.lang.Class[]	getClasses(java.util.jar.JarFile jf)
static void	getClassesWithMain()
static java.io.File[]	getClassFiles()
static java.lang.Class	getClassFromFile()
static java.lang.String	getClassName(java.io.File ccf) Input a class file and return the class name that corresponds to it.
static java.lang.String	getClassPath()
static java.lang.String	getClassPathInUserDir() Search the class path and return the first one that appears in the users directory
static java.lang.String[]	getClassPaths()
static ClassPool	getClassPool()
static java.lang.Class[]	getComputableClasses(java.lang.Class[] c)
static java.lang.Class	getComputableObjectImplementor(java.io.FileInputStream fis)
static java.util.jar.JarEntry[]	getGifEntries(java.util.jar.JarFile jf)
static java.util.jar.JarEntry[]	getJarEntries(java.util.jar.JarFile jf)
static java.util.jar.JarFile[]	getJarFiles()
static java.util.jar.JarFile[]	getJars()
static java.lang.String[]	getStringArray(java.lang.String classes) Convert a delimited list of classes into an array of classes to be packed.
static boolean	implementsComputableObject(java.lang.Class c)
static boolean	implementsComputableObject(java.lang.Class[] s)
static void	loadClass(java.lang.String classString) loadClass will load a class, affineTransform your peril static data members will be automatically invoked upon load using this method.
static void	loadClasses(java.io.File[] cf)
static void	loadJar(java.util.jar.JarFile jf)
static void	loadJars(java.util.jar.JarFile[] jf)
static void	main(java.lang.String[] args)
static java.lang.String	makeClassString(java.lang.String s) takes a string of the java/lang/String.class form and returns java.lang.String
static java.lang.String[]	parsePath(java.lang.String classPath) Input a path separator delimited set of directories and return one per string element in an array.
static void	print(java.lang.Class[] s)
static void	print(java.lang.Object o)
static void	print(java.lang.Object[] s)
static void	print(java.lang.Package[] pkgs)
static void	printClassArray(java.lang.Class[] classArray)
static void	printClassPaths()
static void	printComputableObjects(java.lang.Class c)
static void	printEntries(java.util.jar.JarFile jf)
static void	printInterfaces(java.lang.Class[] c)
static void	printJars()
static void	printJars(java.lang.String jfn)
static void	printJars(java.lang.String[] jfn)
static void	printSystemInfo()
static void	promptUserForClassName()
static void	restoreClassPath()
static void	saveClassPath()
static void	setClassPath(java.lang.String s)
static java.lang.String[]	splitClassName(java.lang.String clsName)
static void	testClassFileToClassName() This works and lets the user select class files and get their names.
static void	testGetAClassFromAJar()
static void	testGetBytesCodes()
static void	testGetClass()
static void	testGetClassPath()
static void	testGetComputableClasses()
static void	testGetPathsComposite()
static void	testJarList()

Methods inherited from class java.lang.Object

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

Constructor Detail

ClassPathUtils

public ClassPathUtils()

Method Detail

testGetClass

public static void testGetClass()
                         throws NotFoundException,
                                java.io.IOException,
                                CannotCompileException

Throws:

NotFoundException

java.io.IOException

CannotCompileException

testGetPathsComposite

public static void testGetPathsComposite()

getClassPathInUserDir

public static java.lang.String getClassPathInUserDir()

Search the class path and return the first one that appears in the users directory

Returns:

string representing a path in the users directory

testGetClassPath

public static void testGetClassPath()

testJarList

public static void testJarList()

getClasses

public static java.lang.Class[] getClasses(java.util.jar.JarFile jf)

testGetComputableClasses

public static void testGetComputableClasses()

getClassFiles

public static java.io.File[] getClassFiles()

printInterfaces

public static void printInterfaces(java.lang.Class[] c)

getComputableClasses

public static java.lang.Class[] getComputableClasses(java.lang.Class[] c)

printComputableObjects

public static void printComputableObjects(java.lang.Class c)

printClassArray

public static void printClassArray(java.lang.Class[] classArray)

printJars

public static void printJars()

testClassFileToClassName

public static void testClassFileToClassName()

This works and lets the user select class files and get their names.

getClassName

public static java.lang.String getClassName(java.io.File ccf)
                                     throws java.io.IOException

Input a class file and return the class name that corresponds to it. This does not add the class to the path.

Parameters:

ccf -

Returns:

Throws:

java.io.IOException

getClassPool

public static ClassPool getClassPool()

getClass

public static java.lang.Class getClass(java.io.File f1)
                                throws NotFoundException,
                                       java.io.IOException,
                                       CannotCompileException

This will allow the user to adjust the class path until a class loads.

Throws:

NotFoundException

java.io.IOException

CannotCompileException

addClassPath

public static void addClassPath(java.lang.String dir)

Insert the directory into the head of the java.class.path

Parameters:

dir -

addClassPath

public static void addClassPath(java.io.File[] f)

Insert the file into the head of the java.class.path

Parameters:

f - each of the files in the area will be inserted

contains

public static boolean contains(java.lang.String s1,
                               java.lang.String s2)

buildTree

public static java.util.Vector buildTree(java.lang.Class[] ca)

print

public static void print(java.lang.Object o)

printSystemInfo

public static void printSystemInfo()

getClasses

public static java.lang.Class[] getClasses()

list all the classes loaded into the system.

printClassPaths

public static void printClassPaths()

printJars

public static void printJars(java.lang.String[] jfn)

printJars

public static void printJars(java.lang.String jfn)

loadJars

public static void loadJars(java.util.jar.JarFile[] jf)

loadClasses

public static void loadClasses(java.io.File[] cf)

loadJar

public static void loadJar(java.util.jar.JarFile jf)

loadClass

public static void loadClass(java.lang.String classString)

loadClass will load a class, affineTransform your peril static data members will be automatically invoked upon load using this method. Such elements should probably be invoked from within a thread.

makeClassString

public static java.lang.String makeClassString(java.lang.String s)

takes a string of the java/lang/String.class form and returns java.lang.String

testGetAClassFromAJar

public static void testGetAClassFromAJar()

getClassesWithMain

public static void getClassesWithMain()

getAClassUntested

public static java.lang.Class getAClassUntested(byte[] b)

testGetBytesCodes

public static void testGetBytesCodes()

getByteCodes

public static byte[] getByteCodes(java.util.jar.JarFile jf,
                                  java.util.jar.JarEntry je)

printEntries

public static void printEntries(java.util.jar.JarFile jf)

getGifEntries

public static java.util.jar.JarEntry[] getGifEntries(java.util.jar.JarFile jf)

getClassEntries

public static java.util.jar.JarEntry[] getClassEntries(java.util.jar.JarFile jf)

getJarEntries

public static java.util.jar.JarEntry[] getJarEntries(java.util.jar.JarFile jf)

print

public static void print(java.lang.Object[] s)

implementsComputableObject

public static boolean implementsComputableObject(java.lang.Class c)

implementsComputableObject

public static boolean implementsComputableObject(java.lang.Class[] s)

print

public static void print(java.lang.Class[] s)

getJars

public static java.util.jar.JarFile[] getJars()

countJars

public static int countJars(java.lang.String[] s)

getAJarFile

public static java.util.jar.JarFile getAJarFile()

getJarFiles

public static java.util.jar.JarFile[] getJarFiles()

getClassPaths

public static java.lang.String[] getClassPaths()

parsePath

public static java.lang.String[] parsePath(java.lang.String classPath)

Input a path separator delimited set of directories and return one per string element in an array.

Parameters:

classPath -

Returns:

the parsePath

getClassPath

public static java.lang.String getClassPath()

print

public static void print(java.lang.Package[] pkgs)

dumpAClassFile

public static void dumpAClassFile()

dumpClassFile

public static void dumpClassFile(java.io.File[] f)

dumpClassFile

public static void dumpClassFile(java.io.File f)

getComputableObjectImplementor

public static java.lang.Class getComputableObjectImplementor(java.io.FileInputStream fis)

dumpAllFilesInADirectory

public static void dumpAllFilesInADirectory()

getClassFromFile

public static java.lang.Class getClassFromFile()
                                        throws NotFoundException,
                                               java.io.IOException,
                                               CannotCompileException

Throws:

NotFoundException

java.io.IOException

CannotCompileException

promptUserForClassName

public static void promptUserForClassName()
                                   throws java.lang.ClassNotFoundException,
                                          java.lang.IllegalAccessException,
                                          java.lang.InstantiationException

Throws:

java.lang.ClassNotFoundException

java.lang.IllegalAccessException

java.lang.InstantiationException

getClass

public static java.lang.Class getClass(java.lang.String className)

splitClassName

public static java.lang.String[] splitClassName(java.lang.String clsName)

getStringArray

public static java.lang.String[] getStringArray(java.lang.String classes)

Convert a delimited list of classes into an array of classes to be packed.

Parameters:

classes -

Returns:

array of fully qualified class names.

saveClassPath

public static void saveClassPath()

fixClassPath

public static void fixClassPath()

restoreClassPath

public static void restoreClassPath()

setClassPath

public static void setClassPath(java.lang.String s)

main

public static void main(java.lang.String[] args)