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/*
* This file is part of the Javassist toolkit.
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* either http://www.mozilla.org/MPL/.
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is Javassist.
*
* The Initial Developer of the Original Code is Shigeru Chiba. Portions
* created by Shigeru Chiba are Copyright (C) 1999-2003 Shigeru Chiba.
* All Rights Reserved.
*
* Contributor(s):
*
* The development of this software is supported in part by the PRESTO
* program (Sakigake Kenkyu 21) of Japan Science and Technology Corporation.
*/
package javassist;
import java.io.InputStream;
/**
* <code>ClassPath</code> is an interface implemented by objects
* representing a class search path.
* <code>ClassPool</code> uses those objects for reading class files.
*
* <code>The users can define a class implementing this interface so that
* a class file is obtained from a non-standard source.
*
* @see ClassPool#insertClassPath(ClassPath)
* @see ClassPool#appendClassPath(ClassPath)
* @see javassist.URLClassPath
*/
public interface ClassPath {
/**
* Opens a class file.
*
* <p>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 is terminated.
*
* <p>This method should not modify the contents of the class file.
*
* @param classname a fully-qualified class name
* @return the input stream for reading a class file
*/
InputStream openClassfile(String classname) throws NotFoundException;
}
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