| /* |
| * 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.sp.java; |
| |
| |
| import java.lang.reflect.InvocationTargetException; |
| import java.lang.reflect.Method; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import javax.naming.NamingException; |
| import javax.naming.ldap.LdapContext; |
| |
| import org.apache.directory.server.core.entry.ServerAttribute; |
| import org.apache.directory.server.core.entry.ServerEntry; |
| import org.apache.directory.server.core.sp.StoredProcEngine; |
| import org.apache.directory.server.core.sp.StoredProcUtils; |
| import org.apache.directory.shared.ldap.entry.EntryAttribute; |
| import org.apache.directory.shared.ldap.util.DirectoryClassUtils; |
| |
| |
| /** |
| * A {@link StoredProcEngine} implementation specific to Java stored procedures. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| * @version $Rev$ $Date$ |
| */ |
| public class JavaStoredProcEngine implements StoredProcEngine |
| { |
| |
| public static final String STORED_PROC_LANG_ID = "Java"; |
| |
| private ServerEntry spUnit; |
| |
| |
| /* (non-Javadoc) |
| * @see org.apache.directory.server.core.sp.StoredProcEngine#invokeProcedure(javax.naming.ldap.LdapContext, java.lang.String, java.lang.Object[]) |
| */ |
| public Object invokeProcedure( LdapContext rootCtx, String fullSPName, Object[] spArgs ) throws NamingException |
| { |
| EntryAttribute javaByteCode = spUnit.get( "javaByteCode" ); |
| String spName = StoredProcUtils.extractStoredProcName( fullSPName ); |
| String className = StoredProcUtils.extractStoredProcUnitName( fullSPName ); |
| |
| ClassLoader loader = new LdapJavaStoredProcClassLoader( javaByteCode ); |
| Class<?> clazz; |
| |
| try |
| { |
| clazz = loader.loadClass( className ); |
| } |
| catch ( ClassNotFoundException e ) |
| { |
| NamingException ne = new NamingException(); |
| ne.setRootCause( e ); |
| throw ne; |
| } |
| |
| Class<?>[] types = getTypesFromValues( spArgs ); |
| |
| Method proc; |
| try |
| { |
| proc = DirectoryClassUtils.getAssignmentCompatibleMethod( clazz, spName, types ); |
| } |
| catch ( NoSuchMethodException e ) |
| { |
| NamingException ne = new NamingException(); |
| ne.setRootCause( e ); |
| throw ne; |
| } |
| try |
| { |
| return proc.invoke( null, spArgs ); |
| } |
| catch ( IllegalArgumentException e ) |
| { |
| NamingException ne = new NamingException(); |
| ne.setRootCause( e ); |
| throw ne; |
| } |
| catch ( IllegalAccessException e ) |
| { |
| NamingException ne = new NamingException(); |
| ne.setRootCause( e ); |
| throw ne; |
| } |
| catch ( InvocationTargetException e ) |
| { |
| NamingException ne = new NamingException(); |
| ne.setRootCause( e ); |
| throw ne; |
| } |
| } |
| |
| |
| /* (non-Javadoc) |
| * @see org.apache.directory.server.core.sp.StoredProcEngine#getSPLangId() |
| */ |
| public String getSPLangId() |
| { |
| return STORED_PROC_LANG_ID; |
| } |
| |
| |
| /* (non-Javadoc) |
| * @see org.apache.directory.server.core.sp.StoredProcEngine#setSPUnitEntry(javax.naming.directory.Attributes) |
| */ |
| public void setSPUnitEntry( ServerEntry spUnit ) |
| { |
| this.spUnit = spUnit; |
| } |
| |
| |
| private Class<?>[] getTypesFromValues( Object[] values ) |
| { |
| List<Class<?>> types = new ArrayList<Class<?>>(); |
| |
| for ( Object obj : values ) |
| { |
| types.add( obj.getClass() ); |
| } |
| |
| return types.toArray( EMPTY_CLASS_ARRAY ); |
| } |
| |
| private static Class<?>[] EMPTY_CLASS_ARRAY = new Class[ 0 ]; |
| |
| } |