import javax.servlet.annotation.ServletSecurity.TransportGuarantee; //导入依赖的package包/类
/**
 * Default constraint is permit with no transport guarantee.
 */
public HttpConstraintElement() {
    // Default constructor
    this.emptyRoleSemantic = EmptyRoleSemantic.PERMIT;
    this.transportGuarantee = TransportGuarantee.NONE;
    this.rolesAllowed = new String[0];
}
 

import javax.servlet.annotation.ServletSecurity.TransportGuarantee; //导入依赖的package包/类
@Override
public void onStartup(Set<Class<?>> c, ServletContext ctx)
        throws ServletException {
    // Register and map servlet
    Servlet s = new Bug50015Servlet();
    ServletRegistration.Dynamic sr = ctx.addServlet("bug50015", s);
    sr.addMapping("/bug50015");

    // Limit access to users in the Tomcat role
    HttpConstraintElement hce = new HttpConstraintElement(
            TransportGuarantee.NONE, "tomcat");
    ServletSecurityElement sse = new ServletSecurityElement(hce);
    sr.setServletSecurity(sse);
}
 

import javax.servlet.annotation.ServletSecurity.TransportGuarantee; //导入依赖的package包/类
/**
 * Default constraint is permit with no transport guarantee.
 */
public HttpConstraintElement() {
	// Default constructor
	this.emptyRoleSemantic = EmptyRoleSemantic.PERMIT;
	this.transportGuarantee = TransportGuarantee.NONE;
	this.rolesAllowed = new String[0];
}
 

import javax.servlet.annotation.ServletSecurity.TransportGuarantee; //导入依赖的package包/类
@Override
public void onStartup(Set<Class<?>> c, ServletContext ctx)
        throws ServletException {
    // Register and map servlet
    Servlet s = new Bug50015Servlet();
    ServletRegistration.Dynamic sr = ctx.addServlet("bug50015", s);
    sr.addMapping("/bug50015");
    
    // Limit access to users in the Tomcat role
    HttpConstraintElement hce = new HttpConstraintElement(
            TransportGuarantee.NONE, "tomcat");
    ServletSecurityElement sse = new ServletSecurityElement(hce);
    sr.setServletSecurity(sse);
}
 

import javax.servlet.annotation.ServletSecurity.TransportGuarantee; //导入依赖的package包/类
public TransportGuarantee getTransportGuarantee() {
    return transportGuarantee;
}
 

import javax.servlet.annotation.ServletSecurity.TransportGuarantee; //导入依赖的package包/类
public TransportGuarantee getTransportGuarantee() {
	return transportGuarantee;
}
 

import javax.servlet.annotation.ServletSecurity.TransportGuarantee; //导入依赖的package包/类
private TransportGuarantee getTransportGuarantee(String transport) {
    return transport.equalsIgnoreCase("confidential") ? TransportGuarantee.CONFIDENTIAL : transport.equalsIgnoreCase("none") ? TransportGuarantee.NONE : null;
}