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package cn.sylinx.hbatis.kit;

import cn.sylinx.hbatis.log.GLog;

public abstract class ClassUtil {

	public static boolean isClassExist(String className) {
		try {
			Class.forName(className, false, getDefaultClassLoader());
		} catch (ClassNotFoundException e) {
			GLog.error("class:{} not foud ", className);
			return false;
		}
		return true;
	}

	public static ClassLoader getDefaultClassLoader() {
		ClassLoader cl = null;
		try {
			cl = Thread.currentThread().getContextClassLoader();
		} catch (Throwable ex) {
			// Cannot access thread context ClassLoader - falling back...
		}
		if (cl == null) {
			// No thread context class loader -> use class loader of this class.
			cl = ClassUtil.class.getClassLoader();
			if (cl == null) {
				// getClassLoader() returning null indicates the bootstrap ClassLoader
				try {
					cl = ClassLoader.getSystemClassLoader();
				} catch (Throwable ex) {
					// Cannot access system ClassLoader - oh well, maybe the caller can live with
					// null...
				}
			}
		}
		return cl;
	}
}




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