85 lines
2.5 KiB
Java
85 lines
2.5 KiB
Java
//******************************************************************************
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//
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// File: ContextObjectInputStream.java
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// Package: edu.rit.pj2.io
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// Unit: Class edu.rit.pj2.io.ContextObjectInputStream
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//
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// This Java source file is copyright (C) 2013 by Alan Kaminsky. All rights
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// reserved. For further information, contact the author, Alan Kaminsky, at
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// ark@cs.rit.edu.
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//
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// This Java source file is part of the Parallel Java 2 Library ("PJ2"). PJ2 is
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// free software; you can redistribute it and/or modify it under the terms of
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// the GNU General Public License as published by the Free Software Foundation;
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// either version 3 of the License, or (at your option) any later version.
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//
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// PJ2 is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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// A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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//
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// A copy of the GNU General Public License is provided in the file gpl.txt. You
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// may also obtain a copy of the GNU General Public License on the World Wide
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// Web at http://www.gnu.org/licenses/gpl.html.
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//
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//******************************************************************************
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package edu.rit.io;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.ObjectInputStream;
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import java.io.ObjectStreamClass;
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/**
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* Class ContextObjectInputStream is an {@linkplain java.io.ObjectInputStream
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* ObjectInputStream} that uses the calling thread's context class loader to
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* load classes. (The regular ObjectInputStream does not do this.)
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*
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* @author Alan Kaminsky
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* @version 18-Jun-2013
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*/
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public class ContextObjectInputStream
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extends ObjectInputStream
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{
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// Exported constructors.
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/**
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* Construct a new context object input stream that will read from the given
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* stream.
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*
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* @param in Underlying input stream.
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*
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* @exception IOException
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* Thrown if an I/O error occurred.
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*/
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public ContextObjectInputStream
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(InputStream in)
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throws IOException
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{
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super (in);
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}
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// Hidden operations.
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/**
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* Resolve the given class description using the calling thread's context
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* class loader.
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*
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* @param desc Class description.
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*
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* @return Class.
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*
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* @exception ClassNotFoundException
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* Thrown if the class could not be found.
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*/
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protected Class<?> resolveClass
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(ObjectStreamClass desc)
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throws ClassNotFoundException
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{
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return Class.forName (desc.getName(), false,
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Thread.currentThread().getContextClassLoader());
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}
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}
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