import org.apache.tomcat.util.security.PrivilegedSetTccl; //导入依赖的package包/类
private void bind(Context context) {
    // Bind the context CL to the current thread
    if (clBindRequired && context.getLoader() != null) {
        if (Globals.IS_SECURITY_ENABLED) {
            PrivilegedAction<Void> pa =
                    new PrivilegedSetTccl(context.getLoader().getClassLoader());
            AccessController.doPrivileged(pa);                
        } else {
            Thread.currentThread().setContextClassLoader(context.getLoader().getClassLoader());
        }
    }
}
 

import org.apache.tomcat.util.security.PrivilegedSetTccl; //导入依赖的package包/类
private void unbind() {
    if (clBindRequired) {
        if (Globals.IS_SECURITY_ENABLED) {
            PrivilegedAction<Void> pa = new PrivilegedSetTccl(MY_CLASSLOADER);
            AccessController.doPrivileged(pa);                
        } else {
            Thread.currentThread().setContextClassLoader(MY_CLASSLOADER);
        }
    }
}
 

import org.apache.tomcat.util.security.PrivilegedSetTccl; //导入依赖的package包/类
private void bind(Context context) {
	// Bind the context CL to the current thread
	if (clBindRequired && context.getLoader() != null) {
		if (Globals.IS_SECURITY_ENABLED) {
			PrivilegedAction<Void> pa = new PrivilegedSetTccl(context.getLoader().getClassLoader());
			AccessController.doPrivileged(pa);
		} else {
			Thread.currentThread().setContextClassLoader(context.getLoader().getClassLoader());
		}
	}
}
 

import org.apache.tomcat.util.security.PrivilegedSetTccl; //导入依赖的package包/类
private void unbind() {
	if (clBindRequired) {
		if (Globals.IS_SECURITY_ENABLED) {
			PrivilegedAction<Void> pa = new PrivilegedSetTccl(MY_CLASSLOADER);
			AccessController.doPrivileged(pa);
		} else {
			Thread.currentThread().setContextClassLoader(MY_CLASSLOADER);
		}
	}
}