1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 * 19 */ 20 21 package org.apache.directory.server.core.sp.java; 22 23 24 import javax.naming.NamingException; 25 26 import org.apache.directory.shared.ldap.entry.EntryAttribute; 27 28 29 /** 30 * A class loader that loads a class from an attribute. 31 * 32 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 33 * @version $Rev$ $Date$ 34 */ 35 public class LdapJavaStoredProcClassLoader extends ClassLoader 36 { 37 private EntryAttribute javaByteCodeAttr; 38 39 40 public LdapJavaStoredProcClassLoader( EntryAttribute javaByteCodeAttr ) 41 { 42 // Critical call to super class constructor. Required for true plumbing of class loaders. 43 super( LdapJavaStoredProcClassLoader.class.getClassLoader() ); 44 45 this.javaByteCodeAttr = javaByteCodeAttr; 46 } 47 48 49 public Class<?> findClass( String name ) throws ClassNotFoundException 50 { 51 byte[] classBytes; 52 53 try 54 { 55 classBytes = javaByteCodeAttr.getBytes(); 56 } 57 catch ( NamingException e ) 58 { 59 throw new ClassNotFoundException(); 60 } 61 62 return defineClass( name, classBytes, 0, classBytes.length ); 63 } 64 }