获得ClassLoader
/**
* Locates the best class loader based on context (see class description).
*
* @return The best parent classloader to use
*/
private ClassLoader findParentClassLoader() {
//Thread.currentThread().setContextClassLoader(parent );
ClassLoader parent = Thread.currentThread().getContextClassLoader();
if (parent == null) {
parent = this.getClass().getClassLoader();
if (parent == null) {
parent = ClassLoader.getSystemClassLoader();
}
}
return parent;
}