/*
* Copyright (c) 1996, 1997, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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 in the LICENSE file that
* accompanied this code).
*
* 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* COPYRIGHT goes here
*/
package sun.applet;
import java.io.*;
import java.lang.reflect.Array;
/**
* This subclass of ObjectInputStream delegates loading of classes to
* an existing ClassLoader.
*/
class AppletObjectInputStream extends ObjectInputStream
{
private AppletClassLoader loader;
/**
* Loader must be non-null;
*/
public AppletObjectInputStream(InputStream in, AppletClassLoader loader)
throws IOException, StreamCorruptedException {
super(in);
if (loader == null) {
throw new AppletIllegalArgumentException("appletillegalargumentexception.objectinputstream");
}
this.loader = loader;
}
/**
* Make a primitive array class
*/
private Class primitiveType(char type) {
switch (type) {
case 'B': return byte.class;
case 'C': return char.class;
case 'D': return double.class;
case 'F': return float.class;
case 'I': return int.class;
case 'J': return long.class;
case 'S': return short.class;
case 'Z': return boolean.class;
default: return null;
}
}
/**
* Use the given ClassLoader rather than using the system class
*/
protected Class resolveClass(ObjectStreamClass classDesc)
throws IOException, ClassNotFoundException {
String cname = classDesc.getName();
if (cname.startsWith("[")) {
// An array
Class component; // component class
int dcount; // dimension
for (dcount=1; cname.charAt(dcount)=='['; dcount++) ;
if (cname.charAt(dcount) == 'L') {
component = loader.loadClass(cname.substring(dcount+1,
cname.length()-1));
} else {
if (cname.length() != dcount+1) {
throw new ClassNotFoundException(cname);// malformed
}
component = primitiveType(cname.charAt(dcount));
}
int dim[] = new int[dcount];
for (int i=0; i<dcount; i++) {
dim[i]=0;
}
return Array.newInstance(component, dim).getClass();
} else {
return loader.loadClass(cname);
}
}
}