stringutils.java

Speedframework--基于类型元数据的羽量级ORM.完全基于Java类型元数据和反射机制同时不需要任何对象关系映射配置文件的轻量级ORM框架,它充分利用了类型本身的信息,使用Metadata

package org.speedframework.util;

import java.io.Serializable;
import java.lang.reflect.Array;

/**
 * 字符串工具类
 * 
 * @author victorching
 * 
 */

public final class StringUtils {
	/**
	 * 
	 * @param id
	 * @return
	 */

	public static String[] getSerializableID(Serializable id) throws Exception {
		return getkeyList(id);
	}

	/**
	 * 传入的对象序列转换成缓存队列的key值
	 * 
	 * @param id
	 * @return
	 */
	public static String getCacheKey(Serializable id) throws Exception {

		String key = "";
		String[] param = getkeyList(id);
		for (int i = 0; i < param.length; i++) {
			if (i == (param.length - 1)) {
				key += param[i];
			} else {
				key += param[i] + "_";
			}
		}

		return key;

	}
	/**
	 * 对象队列名称
	 * @param clz
	 * @return
	 * @throws Exception
	 */
	public static String getObjectQueueReqion(Class clz)throws Exception{
		return SQLHelper.getExcuteTableName(clz)+"_queue";
		
	}

	private static String[] getkeyList(Serializable id) throws Exception {
		String[] param = null;
		if (id == null) {
			throw new Exception("the id of object is null");
		}
		if (id.getClass().isArray()) {
			int length = Array.getLength(id);
			param = new String[length];
			for (int i = 0; i < length; i++) {
				param[i] = (String) Array.get(id, i);
			}

		} else if (!id.getClass().isArray()) {
			param = new String[] { id.toString() };
		}
		return param;
	}

}