mylogfactoryimpl.java

comming logging 的源码 可以封装log4j等日志系统。 源码中使用了很多的设计模式

/*
 * 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.commons.logging.tccl.custom;


import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class MyLogFactoryImpl extends LogFactory {
    public Object getAttribute(String name) { return null; }
    public String[] getAttributeNames() { return null; }
    public Log getInstance(Class clazz) { return null; }
    public Log getInstance(String name) { return null; }
    public void release() {}
    public void removeAttribute(String name) {}
    public void setAttribute(String name, Object value) {}
}