b9f42bb060
* java/lang/reflect/Proxy.java (generate): Uncomment protection domain code. * java/lang/natClassLoader.cc (defineClass): Added `loader' argument. (linkClass0): Now in VMClassLoader. (markClassErrorState0): Likewise. (getSystemClassLoaderInternal): New method. * java/lang/natClass.cc (initializeClass): Use VMClassLoader::resolveClass. * java/lang/ClassLoader.java: New version, from Classpath. * java/lang/Class.java (getProtectionDomain): protectionDomainPermission and unknownProtectionDomain now in VMClassLoader. * java/lang/Class.h: VMClassLoader now a friend class. * gnu/gcj/runtime/VMClassLoader.java (instance): Now package-private. * gcj/javaprims.h: Regenerated class list. * resolve.cc (_Jv_PrepareClass): Use VMClassLoader::resolveClass. * java/lang/VMClassLoader.java: New version from Classpath; modified for libgcj use. From-SVN: r71765
99 lines
2.7 KiB
Java
99 lines
2.7 KiB
Java
/* Copyright (C) 1999, 2001, 2002, 2003 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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/* Author: Kresten Krab Thorup <krab@gnu.org> */
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package gnu.gcj.runtime;
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import java.io.*;
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import java.util.StringTokenizer;
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import java.util.HashSet;
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import java.net.URL;
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public final class VMClassLoader extends java.net.URLClassLoader
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{
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private VMClassLoader ()
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{
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super (init());
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String p
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= System.getProperty ("gnu.gcj.runtime.VMClassLoader.library_control",
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"");
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if ("never".equals(p))
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lib_control = LIB_NEVER;
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else if ("cache".equals(p))
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lib_control = LIB_CACHE;
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else if ("full".equals(p))
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{
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// In case we ever want to change the default.
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lib_control = LIB_FULL;
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}
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else
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lib_control = LIB_FULL;
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}
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private static URL[] init()
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{
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StringTokenizer st
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= new StringTokenizer (System.getProperty ("java.class.path", "."),
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System.getProperty ("path.separator", ":"));
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java.util.Vector p = new java.util.Vector();
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while (st.hasMoreElements ())
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{
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String e = st.nextToken ();
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try
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{
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if (!e.endsWith (File.separator) && new File (e).isDirectory ())
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p.addElement (new URL("file", "", -1, e + File.separator));
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else
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p.addElement (new URL("file", "", -1, e));
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}
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catch (java.net.MalformedURLException x)
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{
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/* Ignore this path element */
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}
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}
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// Add core:/ to the end of the java.class.path so any resources
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// compiled into this executable may be found.
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try
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{
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p.addElement (new URL("core", "", -1, "/"));
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}
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catch (java.net.MalformedURLException x)
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{
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// This should never happen.
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}
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URL[] urls = new URL[p.size()];
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p.copyInto (urls);
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return urls;
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}
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/** This is overridden to search the internal hash table, which
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* will only search existing linked-in classes. This will make
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* the default implementation of loadClass (in ClassLoader) work right.
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* The implementation of this method is in java/lang/natClassLoader.cc.
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*/
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protected native Class findClass(String name)
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throws java.lang.ClassNotFoundException;
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// This keeps track of shared libraries we've already tried to load.
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private HashSet tried_libraries = new HashSet();
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// Holds one of the LIB_* constants; used to determine how shared
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// library loads are done.
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private int lib_control;
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// The only VMClassLoader that can exist.
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static VMClassLoader instance = new VMClassLoader();
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private static final int LIB_FULL = 0;
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private static final int LIB_CACHE = 1;
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private static final int LIB_NEVER = 2;
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}
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