com.laxser.blitz.lama.app.LamaFactory.java Source code

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Here is the source code for com.laxser.blitz.lama.app.LamaFactory.java

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/*
 * Copyright 2009-2010 the original author or authors.
 *
 * 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
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License i 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 com.laxser.blitz.lama.app;

import org.springframework.beans.factory.BeanFactoryUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

/**
 * ?Spring? {@link Autowired} Lama DAO?
 * {@link LamaFactory} ?Lama DAO
 * <p>
 * 
 * String confLocation = "classpath*:/applicationContext*.xml";<br>
 * LamaFactory lama = new LamaFactory(confLocation);<br>
 * UserDAO userDAO = lama.getDao(UserDAO.class);
 * 
 * @author laxser  Date 2012-3-22 ?3:38:49
@contact [duqifan@gmail.com]
@LamaFactory.java
 */
public class LamaFactory {

    private ApplicationContext applicationContext;

    public LamaFactory(ApplicationContext applicationContext) {
        assert applicationContext != null;
        this.applicationContext = applicationContext;
    }

    public LamaFactory(String... applicationContextLocations) {
        assert applicationContextLocations.length != 0;
        this.applicationContext = new ClassPathXmlApplicationContext(applicationContextLocations);
    }

    @SuppressWarnings("unchecked")
    public <T> T getDao(Class<T> daoClass) {
        return (T) BeanFactoryUtils.beanOfType(applicationContext, daoClass);
    }

}