/**************************************************************************
* Parts copyright (c) 2001 by Punch Telematix. All rights reserved. *
* Parts copyright (c) 2009 by /k/ Embedded Java Solutions. *
* All rights reserved. *
* *
* Redistribution and use in source and binary forms, with or without *
* modification, are permitted provided that the following conditions *
* are met: *
* 1. Redistributions of source code must retain the above copyright *
* notice, this list of conditions and the following disclaimer. *
* 2. Redistributions in binary form must reproduce the above copyright *
* notice, this list of conditions and the following disclaimer in the *
* documentation and/or other materials provided with the distribution. *
* 3. Neither the name of Punch Telematix or of /k/ Embedded Java Solutions*
* nor the names of other contributors may be used to endorse or promote*
* products derived from this software without specific prior written *
* permission. *
* *
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED *
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. *
* IN NO EVENT SHALL PUNCH TELEMATIX, /K/ EMBEDDED JAVA SOLUTIONS OR OTHER *
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, *
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**************************************************************************/
package java.security;
public class SecureClassLoader extends ClassLoader {
protected SecureClassLoader() throws SecurityException {
}
protected SecureClassLoader(ClassLoader parent) throws SecurityException {
super(parent);
if (this instanceof wonka.vm.ApplicationClassLoader) {
Security.reloadProviders();
}
}
protected final Class defineClass( String name, byte []b, int off, int len, CodeSource cs) {
if (cs != null) {
PermissionCollection pc = getPermissions(cs);
if (pc == null) {
return defineClass(name, b, off, len);
}
return defineClass(name, b, off, len, new ProtectionDomain(cs, pc));
}
else {
return defineClass(name, b, off, len);
}
}
protected PermissionCollection getPermissions(CodeSource cs){
Policy policy = null;
GetPolicy gp = new GetPolicy();
policy = gp.get();
if (policy == null) {
// Policy file not loaded yet
return null;
}
return Policy.getPolicy().getPermissions(cs) ;
}
}