principalimpl.java

本书以大量精简的实例介绍了Java安全性编程方面的概念和技术

import java.io.Serializable;
import java.security.Principal;
//
// This class defines the principle object, which is just an encapsulated
// String name
public class PrincipalImpl implements Principal, Serializable {
private String name;
public PrincipalImpl(String n) {
name = n;
}
public boolean equals(Object obj) {
if (!(obj instanceof PrincipalImpl)) {
return false;
}
PrincipalImpl pobj = (PrincipalImpl)obj;
if (name.equals(pobj.getName())) {
return true;
}
return false;
}
public String getName() {
return name;
}
public int hashCode() {
return name.hashCode();
}
public String toString() {
return getName();
}
}