com.brienwheeler.lib.spring.beans.AutowireUtils.java Source code

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Here is the source code for com.brienwheeler.lib.spring.beans.AutowireUtils.java

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/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2013 Brien L. Wheeler (brienwheeler@yahoo.com)
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package com.brienwheeler.lib.spring.beans;

import java.util.Collection;
import java.util.Map;

import org.apache.commons.logging.Log;
import org.springframework.context.ApplicationContext;

import com.brienwheeler.lib.util.ValidationUtils;

public class AutowireUtils {
    private AutowireUtils() {
    }

    public static <T> Collection<T> getAutowireBeans(ApplicationContext applicationContext, Class<T> clazz,
            Log log) {
        ValidationUtils.assertNotNull(applicationContext, "applicationContext cannot be null");
        ValidationUtils.assertNotNull(clazz, "clazz cannot be null");
        ValidationUtils.assertNotNull(log, "log cannot be null");

        Map<String, T> beans = applicationContext.getBeansOfType(clazz);
        if (beans.size() > 0) {
            log.info("autowiring " + beans.size() + " " + clazz.getSimpleName());
        }
        return beans.values();
    }
}