org.springframework.cglib.transform.impl.AccessFieldTransformer Maven / Gradle / Ivy
/*
* Copyright 2003 The Apache Software Foundation
*
* Licensed 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
*
* https://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.springframework.cglib.transform.impl;
import org.springframework.asm.Type;
import org.springframework.cglib.core.CodeEmitter;
import org.springframework.cglib.core.Constants;
import org.springframework.cglib.core.Signature;
import org.springframework.cglib.core.TypeUtils;
import org.springframework.cglib.transform.ClassEmitterTransformer;
public class AccessFieldTransformer extends ClassEmitterTransformer {
private Callback callback;
public AccessFieldTransformer(Callback callback) {
this.callback = callback;
}
public interface Callback {
String getPropertyName(Type owner, String fieldName);
}
@Override
public void declare_field(int access, final String name, Type type, Object value) {
super.declare_field(access, name, type, value);
String property = TypeUtils.upperFirst(callback.getPropertyName(getClassType(), name));
if (property != null) {
CodeEmitter e;
e = begin_method(Constants.ACC_PUBLIC,
new Signature("get" + property,
type,
Constants.TYPES_EMPTY),
null);
e.load_this();
e.getfield(name);
e.return_value();
e.end_method();
e = begin_method(Constants.ACC_PUBLIC,
new Signature("set" + property,
Type.VOID_TYPE,
new Type[]{ type }),
null);
e.load_this();
e.load_arg(0);
e.putfield(name);
e.return_value();
e.end_method();
}
}
}