| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| |
| |
| package org.apache.directory.server.core.schema; |
| |
| |
| import javax.naming.NamingException; |
| import javax.naming.directory.InvalidAttributeValueException; |
| |
| import org.apache.directory.server.core.entry.ServerAttribute; |
| import org.apache.directory.server.core.entry.ServerBinaryValue; |
| import org.apache.directory.shared.ldap.entry.EntryAttribute; |
| import org.apache.directory.shared.ldap.entry.Value; |
| |
| |
| /** |
| * A class loader that loads classes from an attribute within an entry. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| * @version $Rev$ $Date$ |
| */ |
| public class AttributeClassLoader extends ClassLoader |
| { |
| public ServerAttribute attribute; |
| |
| |
| public AttributeClassLoader() |
| { |
| super( AttributeClassLoader.class.getClassLoader() ); |
| } |
| |
| |
| public void setAttribute( EntryAttribute attribute ) throws NamingException |
| { |
| if ( ((ServerAttribute)attribute).getAttributeType().getSyntax().isHumanReadable() ) |
| { |
| throw new InvalidAttributeValueException( "The attribute must be binary" ); |
| } |
| |
| this.attribute = (ServerAttribute)attribute; |
| } |
| |
| |
| public Class<?> findClass( String name ) throws ClassNotFoundException |
| { |
| byte[] classBytes = null; |
| |
| Value<?> value = attribute.get(); |
| |
| if ( value instanceof ServerBinaryValue ) |
| { |
| classBytes = ((ServerBinaryValue)value).get(); |
| |
| return defineClass( name, classBytes, 0, classBytes.length ); |
| } |
| else |
| { |
| throw new ClassNotFoundException( "Failed to access attribute bytes." ); |
| } |
| } |
| } |