classloaderreferenceimpl.c

来自「This is a resource based on j2me embedde」· C语言 代码 · 共 78 行

/*
 * @(#)ClassLoaderReferenceImpl.c	1.13 06/10/25
 *
 * Copyright  1990-2008 Sun Microsystems, Inc. All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version
 * 2 only, as published by the Free Software Foundation. 
 * 
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License version 2 for more details (a copy is
 * included at /legal/license.txt). 
 * 
 * You should have received a copy of the GNU General Public License
 * version 2 along with this work; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA 
 * 
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
 * Clara, CA 95054 or visit www.sun.com if you need additional
 * information or have any questions. 
 */

#include "util.h"
#include "ClassLoaderReferenceImpl.h"
#include "inStream.h"
#include "outStream.h"

static jboolean 
visibleClasses(PacketInputStream *in, PacketOutputStream *out)
{
    JNIEnv *env = getEnv();
    jobject loader;
    
    loader = inStream_readClassLoaderRef(env, in);
    if (inStream_error(in)) {
        return JNI_TRUE;
    }

    WITH_LOCAL_REFS(env, 2000) {
        
        jvmtiError error;
        jint count;
        jclass *classes;
        int i;
    
        error = allClassLoaderClasses(loader, &classes, &count);
        if (error != JVMTI_ERROR_NONE) {
            outStream_setError(out, map2jdwpError(error));
        } else {
            (void)outStream_writeInt(out, count);
            for (i = 0; i < count; i++) {
                jbyte tag;
                jclass clazz;

                clazz = classes[i];
                tag = referenceTypeTag(clazz);

                (void)outStream_writeByte(out, tag);
                outStream_writeObjectRef(env, out, clazz);
            }
        }

        if ( classes != NULL )
            jvmtiDeallocate(classes);
     
     } END_WITH_LOCAL_REFS(env);

    return JNI_TRUE;
}

void *ClassLoaderReference_Cmds[] = { (void *)0x1
    ,(void *)visibleClasses
};