
* sources.am, Makefile.in: Updated. * Makefile.am (nat_source_files): Removed natProxy.cc. * java/lang/reflect/natProxy.cc: Removed. * gnu/classpath/jdwp/VMFrame.java, gnu/classpath/jdwp/VMIdManager.java, gnu/classpath/jdwp/VMVirtualMachine.java, java/lang/reflect/VMProxy.java: New files. 2005-09-23 Thomas Fitzsimmons <fitzsim@redhat.com> * scripts/makemake.tcl (verbose): Add gnu/java/awt/peer/qt to BC list. 2005-09-23 Thomas Fitzsimmons <fitzsim@redhat.com> * gnu/java/net/DefaultContentHandlerFactory.java (getContent): Remove ClasspathToolkit references. 2005-09-23 Thomas Fitzsimmons <fitzsim@redhat.com> * gnu/awt/xlib/XCanvasPeer.java: Add new peer methods. * gnu/awt/xlib/XFramePeer.java: Likewise. * gnu/awt/xlib/XGraphicsConfiguration.java: Likewise. 2005-09-23 Thomas Fitzsimmons <fitzsim@redhat.com> * Makefile.am (libgcjawt_la_SOURCES): Remove jawt.c. Add classpath/native/jawt/jawt.c. * Makefile.in: Regenerate. * jawt.c: Remove file. * include/Makefile.am (tool_include__HEADERS): Remove jawt.h and jawt_md.h. Add ../classpath/include/jawt.h and ../classpath/include/jawt_md.h. * include/Makefile.in: Regenerate. * include/jawt.h: Regenerate. * include/jawt_md.h: Regenerate. From-SVN: r104586
292 lines
8.6 KiB
Java
292 lines
8.6 KiB
Java
/* VMClassLoader.java -- Reference implementation of native interface
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required by ClassLoader
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Copyright (C) 1998, 2001, 2002, 2004, 2005 Free Software Foundation
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.lang;
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import gnu.classpath.SystemProperties;
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import java.io.File;
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import java.io.IOException;
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import java.net.MalformedURLException;
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import java.net.URL;
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import java.security.ProtectionDomain;
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import java.util.Enumeration;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.StringTokenizer;
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import java.util.Vector;
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import java.util.zip.ZipFile;
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/**
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* java.lang.VMClassLoader is a package-private helper for VMs to implement
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* on behalf of java.lang.ClassLoader.
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*
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* @author John Keiser
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* @author Mark Wielaard (mark@klomp.org)
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* @author Eric Blake (ebb9@email.byu.edu)
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*/
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final class VMClassLoader
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{
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/**
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* Helper to define a class using a string of bytes. This assumes that
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* the security checks have already been performed, if necessary.
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*
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* Implementations of this method are advised to consider the
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* situation where user code modifies the byte array after it has
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* been passed to defineClass. This can be handled by making a
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* private copy of the array, or arranging to only read any given
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* byte a single time.
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*
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* @param name the name to give the class, or null if unknown
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* @param data the data representing the classfile, in classfile format
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* @param offset the offset into the data where the classfile starts
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* @param len the length of the classfile data in the array
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* @param pd the protection domain
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* @return the class that was defined
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* @throws ClassFormatError if data is not in proper classfile format
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*/
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static final native Class defineClass(ClassLoader cl, String name,
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byte[] data, int offset, int len,
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ProtectionDomain pd)
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throws ClassFormatError;
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/**
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* Helper to resolve all references to other classes from this class.
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*
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* @param c the class to resolve
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*/
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static final native void resolveClass(Class c);
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/**
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* Helper to load a class from the bootstrap class loader.
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*
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* @param name the class name to load
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* @param resolve whether to resolve it
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* @return the class, loaded by the bootstrap classloader or null
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* if the class wasn't found. Returning null is equivalent to throwing
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* a ClassNotFoundException (but a possible performance optimization).
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*/
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static final native Class loadClass(String name, boolean resolve)
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throws ClassNotFoundException;
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/**
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* Helper to load a resource from the bootstrap class loader.
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*
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* @param name the resource to find
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* @return the URL to the resource
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*/
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static URL getResource(String name)
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{
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Enumeration e = getResources(name);
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if (e.hasMoreElements())
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return (URL)e.nextElement();
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return null;
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}
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/**
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* Helper to get a list of resources from the bootstrap class loader.
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*
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* @param name the resource to find
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* @return an enumeration of resources
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* @throws IOException if one occurs
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*/
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static Enumeration getResources(String name)
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{
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StringTokenizer st = new StringTokenizer(
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SystemProperties.getProperty("java.boot.class.path", "."),
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File.pathSeparator);
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Vector v = new Vector();
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while (st.hasMoreTokens())
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{
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File file = new File(st.nextToken());
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if (file.isDirectory())
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{
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try
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{
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v.add(new URL("file://"
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+ new File(file, name).getAbsolutePath()));
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}
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catch (MalformedURLException e)
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{
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throw new Error(e);
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}
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}
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else if (file.isFile())
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{
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ZipFile zip;
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try
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{
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zip = new ZipFile(file);
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}
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catch (IOException e)
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{
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continue;
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}
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String zname = name.startsWith("/") ? name.substring(1) : name;
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try
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{
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if (zip.getEntry(zname) == null)
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continue;
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}
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finally
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{
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try
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{
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zip.close();
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}
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catch (IOException e)
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{
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}
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}
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try
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{
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v.add(new URL("jar:file://"
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+ file.getAbsolutePath() + "!/" + zname));
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}
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catch (MalformedURLException e)
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{
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throw new Error(e);
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}
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}
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}
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return v.elements();
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}
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/**
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* Helper to get a package from the bootstrap class loader. The default
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* implementation of returning null may be adequate, or you may decide
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* that this needs some native help.
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*
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* @param name the name to find
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* @return the named package, if it exists
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*/
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static Package getPackage(String name)
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{
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return null;
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}
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/**
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* Helper to get all packages from the bootstrap class loader. The default
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* implementation of returning an empty array may be adequate, or you may
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* decide that this needs some native help.
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*
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* @return all named packages, if any exist
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*/
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static Package[] getPackages()
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{
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return new Package[0];
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}
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/**
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* Helper for java.lang.Integer, Byte, etc to get the TYPE class
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* at initialization time. The type code is one of the chars that
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* represents the primitive type as in JNI.
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*
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* <ul>
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* <li>'Z' - boolean</li>
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* <li>'B' - byte</li>
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* <li>'C' - char</li>
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* <li>'D' - double</li>
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* <li>'F' - float</li>
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* <li>'I' - int</li>
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* <li>'J' - long</li>
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* <li>'S' - short</li>
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* <li>'V' - void</li>
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* </ul>
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*
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* @param type the primitive type
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* @return a "bogus" class representing the primitive type
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*/
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static final native Class getPrimitiveClass(char type);
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/**
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* The system default for assertion status. This is used for all system
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* classes (those with a null ClassLoader), as well as the initial value for
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* every ClassLoader's default assertion status.
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*
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* XXX - Not implemented yet; this requires native help.
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*
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* @return the system-wide default assertion status
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*/
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static final boolean defaultAssertionStatus()
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{
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return true;
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}
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/**
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* The system default for package assertion status. This is used for all
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* ClassLoader's packageAssertionStatus defaults. It must be a map of
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* package names to Boolean.TRUE or Boolean.FALSE, with the unnamed package
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* represented as a null key.
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*
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* XXX - Not implemented yet; this requires native help.
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*
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* @return a (read-only) map for the default packageAssertionStatus
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*/
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static final Map packageAssertionStatus()
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{
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return new HashMap();
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}
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/**
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* The system default for class assertion status. This is used for all
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* ClassLoader's classAssertionStatus defaults. It must be a map of
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* class names to Boolean.TRUE or Boolean.FALSE
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*
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* XXX - Not implemented yet; this requires native help.
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*
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* @return a (read-only) map for the default classAssertionStatus
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*/
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static final Map classAssertionStatus()
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{
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return new HashMap();
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}
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static ClassLoader getSystemClassLoader()
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{
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return ClassLoader.defaultGetSystemClassLoader();
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}
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/**
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* Find the class if this class loader previously defined this class
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* or if this class loader has been recorded as the initiating class loader
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* for this class.
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*/
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static native Class findLoadedClass(ClassLoader cl, String name);
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}
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