jfreerails.util
Class ClassPath

java.lang.Object
  jfreerails.util.ClassPath

public class ClassPath
extends java.lang.Object

ClassPath finds and records the fully qualified name of every Class on the classpath via the system property "java.class.path".

Based on original prototype by duncanIdaho for javagaming.org.

Author:

adam@jgf

Field Summary

protected java.util.LinkedList<java.io.File>	jarsThatHAveAlreadyBeenProcessed
protected java.util.logging.Logger	logger
protected java.util.LinkedList<java.lang.String>	pathElementsThatHaveAlreadyBeenProcessed

Constructor Summary

ClassPath()
create a new ClassPath instance and find all classes on the classpath

Method Summary

protected java.lang.String	convertToClass(java.io.File classFile)
protected java.util.LinkedList<java.lang.String>	findPathElementsInJar(java.util.jar.Manifest man, java.util.jar.JarFile jar, java.io.File jarFile) Finds all path elements in the supplied JAR and returns them as a list
java.util.List	getAllClassNames()
private java.lang.String	getClassNameFrom(java.lang.String entryName) replace ANY slashes with dots and remove the .class at the end of the file name.
protected java.util.LinkedList<java.lang.String>	getDirectoryContents(java.io.File dir) This method takes a top level classpath dir i.e.
protected java.util.LinkedList<java.lang.String>	getDirectoryContents(java.lang.String pathTo, java.io.File dir) This method does the real directory recursion, passing along the the corresponding package-path to this directory.
protected java.util.LinkedList<java.lang.String>	getZipContents(java.io.File zipFile) Adds all class names found in the zip mentioned
protected java.util.LinkedList<java.lang.String>	processPendingElement(java.lang.String pathElement) Clones the supplied list, then goes through it processing every element.

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected java.util.logging.Logger logger

pathElementsThatHaveAlreadyBeenProcessed

protected java.util.LinkedList<java.lang.String> pathElementsThatHaveAlreadyBeenProcessed

jarsThatHAveAlreadyBeenProcessed

protected java.util.LinkedList<java.io.File> jarsThatHAveAlreadyBeenProcessed

Constructor Detail

ClassPath

public ClassPath()

create a new ClassPath instance and find all classes on the classpath

Method Detail

getAllClassNames

public java.util.List getAllClassNames()

processPendingElement

protected java.util.LinkedList<java.lang.String> processPendingElement(java.lang.String pathElement)

Clones the supplied list, then goes through it processing every element.

convertToClass

protected java.lang.String convertToClass(java.io.File classFile)

Parameters:

classFile - a class file listed on the classpath itself.

getClassNameFrom

private java.lang.String getClassNameFrom(java.lang.String entryName)

replace ANY slashes with dots and remove the .class at the end of the file name.

Parameters:

entryName - a file name relative to the classpath. A class of package org found in directory bin would be passed into this method as "org/MyClass.class"

Returns:

a fully qualified Class name.

findPathElementsInJar

protected java.util.LinkedList<java.lang.String> findPathElementsInJar(java.util.jar.Manifest man,
                                                                       java.util.jar.JarFile jar,
                                                                       java.io.File jarFile)

Finds all path elements in the supplied JAR and returns them as a list

Parameters:

man - the manifest of the given jar

jar - the jar associated with the given manifest.

getZipContents

protected java.util.LinkedList<java.lang.String> getZipContents(java.io.File zipFile)

Adds all class names found in the zip mentioned

Parameters:

zipFile -

getDirectoryContents

protected java.util.LinkedList<java.lang.String> getDirectoryContents(java.io.File dir)

This method takes a top level classpath dir i.e. 'classes' or bin

Parameters:

dir -

getDirectoryContents

protected java.util.LinkedList<java.lang.String> getDirectoryContents(java.lang.String pathTo,
                                                                      java.io.File dir)

This method does the real directory recursion, passing along the the corresponding package-path to this directory.

Parameters:

pathTo - the preceding path to this directory

dir - a directory to search for class files