mirror of git://gcc.gnu.org/git/gcc.git
76 lines
1.8 KiB
Java
76 lines
1.8 KiB
Java
/* Copyright (C) 2001 Free Software Foundation
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This file is part of libgcj.
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This software is copyrighted work licensed under the terms of the
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Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
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details. */
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package gnu.gcj.runtime;
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import java.util.Hashtable;
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/**
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* A ClassLoader backed by a gcj-compiled shared library.
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* @author Per Bothner <per@bothner.com>, Brainfood Inc.
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*/
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public class SharedLibLoader extends ClassLoader
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{
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public native void finalize ();
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/** Called during dlopen's processing of the init section. */
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void registerClass(String name, Class cls)
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{
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classMap.put(name, cls);
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}
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/** Load a shared library, and associate a ClassLoader with it.
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* @param libname named of shared library (passed to dlopen)
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* @param parent the parent ClassLoader
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* @parem flags passed to dlopen
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*/
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public SharedLibLoader(String libname, ClassLoader parent, int flags)
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{
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super(parent);
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init(libname, flags);
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}
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/** Load a shared library, and asociate a ClassLoader with it.
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* @param libname named of shared library (passed to dlopen)
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*/
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public SharedLibLoader(String libname)
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{
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super(getSystemClassLoader());
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init(libname, 0);
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}
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void init(String libname, int flags)
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{
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init(libname.getBytes(), flags);
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}
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native void init(byte[] libname, int flags);
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public Class loadClass(String name)
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throws ClassNotFoundException
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{
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return super.loadClass(name);
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}
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public Class findClass(String name)
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throws ClassNotFoundException
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{
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Object cls = classMap.get(name);
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if (cls == null)
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throw new ClassNotFoundException(name);
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return (Class) cls;
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}
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/** The handle returned by dlopen. */
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gnu.gcj.RawData handler;
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/** Map classnames to Classes. */
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Hashtable classMap = new Hashtable(20);
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}
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