001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 * 019 */ 020 package org.apache.directory.shared.ldap.schema.loader.ldif; 021 022 023 import javax.naming.NamingException; 024 import javax.naming.directory.InvalidAttributeValueException; 025 026 import org.apache.directory.shared.i18n.I18n; 027 import org.apache.directory.shared.ldap.entry.EntryAttribute; 028 import org.apache.directory.shared.ldap.entry.Value; 029 030 031 /** 032 * A class loader that loads classes from an attribute within an entry. 033 * 034 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 035 * @version $Rev$ $Date$ 036 */ 037 public class AttributeClassLoader extends ClassLoader 038 { 039 public EntryAttribute attribute; 040 041 042 public AttributeClassLoader() 043 { 044 super( AttributeClassLoader.class.getClassLoader() ); 045 } 046 047 048 public void setAttribute( EntryAttribute attribute ) throws NamingException 049 { 050 if ( attribute.isHR() ) 051 { 052 throw new InvalidAttributeValueException( I18n.err( I18n.ERR_10001 ) ); 053 } 054 055 this.attribute = attribute; 056 } 057 058 059 public Class<?> findClass( String name ) throws ClassNotFoundException 060 { 061 byte[] classBytes = null; 062 063 Value<?> value = attribute.get(); 064 065 if ( value.isBinary() ) 066 { 067 classBytes = value.getBytes(); 068 069 return defineClass( name, classBytes, 0, classBytes.length ); 070 } 071 else 072 { 073 throw new ClassNotFoundException( I18n.err( I18n.ERR_10002 ) ); 074 } 075 } 076 }