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108 lines
3.5 KiB
Java
108 lines
3.5 KiB
Java
/*
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* java.lang.ClassLoader: part of the Java Class Libraries project.
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* Copyright (C) 1998, 2001, 2002 Free Software Foundation
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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package java.lang;
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import java.util.*;
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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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* @version 1.1.0, Sep 22 1998
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* @since CP1.1
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*/
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class VMClassLoader {
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/**
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* Helper to define a class using a string of bytes.
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*
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* @param name the name to give the class. 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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* @return the class that was defined.
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* @exception ClassFormatError if the byte array is not in proper classfile format.
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*/
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final static native Class defineClass(ClassLoader cl, String name,
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byte[] data, int offset, int len)
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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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* @param c the class to resolve.
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*/
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// Not yet needed for libgcj.
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// final static native void resolveClass(Class c);
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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.
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*
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* @param type code for the primitive type.
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*/
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static 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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}
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