package com.github.ebnew.ki4so.core.authentication.resolvers;
import com.github.ebnew.ki4so.core.authentication.Credential;
import com.github.ebnew.ki4so.core.authentication.DefaultUserPrincipal;
import com.github.ebnew.ki4so.core.authentication.Principal;
import com.github.ebnew.ki4so.core.authentication.UsernamePasswordCredential;
public class UsernamePasswordCredentialToPrincipalResolver implements CredentialToPrincipalResolver{
/** Default class to support if one is not supplied. */
private static final Class<UsernamePasswordCredential> DEFAULT_CLASS = UsernamePasswordCredential.class;
/** Class that this instance will support. */
private Class<?> classToSupport = DEFAULT_CLASS;
/**
* Boolean to determine whether to support subclasses of the class to
* support.
*/
private boolean supportSubClasses = true;
public void setSupportSubClasses(boolean supportSubClasses) {
this.supportSubClasses = supportSubClasses;
}
@Override
public Principal resolvePrincipal(Credential credential) {
//若类型匹配，则进行转换。
if(credential!=null && this.supports(credential)){
UsernamePasswordCredential usernamePasswordCredential = (UsernamePasswordCredential)credential;
DefaultUserPrincipal principal = new DefaultUserPrincipal();
//设置用户名为唯一标识。
principal.setId(usernamePasswordCredential.getUsername());
//设置参数表为用户属性。
principal.setAttributes(usernamePasswordCredential.getParameters());
return principal;
}
return null;
}
@Override
public boolean supports(Credential credential) {
return credential != null
&& (this.classToSupport.equals(credential.getClass()) || (this.classToSupport
.isAssignableFrom(credential.getClass()))
&& this.supportSubClasses);
}
}