KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > apache > cayenne > enhancer > EnhancerVisitorFactory


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 package org.apache.cayenne.enhancer;
20
21 import org.objectweb.asm.ClassVisitor;
22
23 /**
24  * A factory for the ASM ClassVisitors used during class enhancement.
25  *
26  * @since 3.0
27  * @author Andrus Adamchik
28  */
29 public interface EnhancerVisitorFactory {
30
31     /**
32      * Creates and returns an ASM ClassVisitor for enhancing a class. Returned visitor is
33      * either null if no enhancement of this class is needed, or a wrapper around provided
34      * "out" ClassVisitor. Often it is a chain of visitors, each doing its own
35      * enhancement.
36      */
37     ClassVisitor createVisitor(String JavaDoc className, ClassVisitor out);
38 }
39
Popular Tags