javassist

Interface ClassPath

public interface ClassPath

ClassPath is an interface implemented by objects representing a class search path. ClassPool uses those objects for reading class files.

The users can define a class implementing this interface so that a class file is obtained from a non-standard source.

See Also: insertClassPath appendClassPath removeClassPath

Method Summary
voidclose()
This method is invoked when the ClassPath object is detached from the search path.
URLfind(String classname)
Returns the uniform resource locator (URL) of the class file with the specified name.
InputStreamopenClassfile(String classname)
Opens a class file.

Method Detail

close

public void close()
This method is invoked when the ClassPath object is detached from the search path. It will be an empty method in most of classes.

find

public URL find(String classname)
Returns the uniform resource locator (URL) of the class file with the specified name.

Parameters: classname a fully-qualified class name.

Returns: null if the specified class file could not be found.

openClassfile

public InputStream openClassfile(String classname)
Opens a class file. This method may be called just to examine whether the class file exists as well as to read the contents of the file.

This method can return null if the specified class file is not found. If null is returned, the next search path is examined. However, if an error happens, this method must throw an exception so that the search will be terminated.

This method should not modify the contents of the class file.

Parameters: classname a fully-qualified class name

Returns: the input stream for reading a class file

See Also: Translator

Javassist, a Java-bytecode translator toolkit.
Copyright (C) 1999-2006 Shigeru Chiba. All Rights Reserved.