sascha@165: /*
sascha@165:  * Copyright (c) 2011 by Intevation GmbH
sascha@165:  *
sascha@165:  * This program is free software under the LGPL (>=v2.1)
sascha@165:  * Read the file LGPL.txt coming with the software for details
sascha@165:  * or visit http://www.gnu.org/licenses/ if it does not exist.
sascha@165:  */
sascha@165: package de.intevation.artifactdatabase;
sascha@165: 
sascha@165: import de.intevation.artifacts.User;
sascha@165: import de.intevation.artifacts.UserFactory;
sascha@165: 
sascha@165: import org.w3c.dom.Document;
sascha@165: 
sascha@165: public class LazyBackendUser
sascha@165: implements   User
sascha@165: {
sascha@165:     protected UserFactory factory;
sascha@165:     protected Backend     backend;
sascha@165:     protected String      identifier;
sascha@165:     protected User        user;
sascha@165:     protected Object      context;
sascha@165: 
sascha@165:     public LazyBackendUser(
sascha@165:         String      identifier,
sascha@165:         UserFactory factory, 
sascha@165:         Backend     backend,
sascha@165:         Object      context
sascha@165:     ) {
sascha@165:         this.identifier = identifier;
sascha@165:         this.factory    = factory;
sascha@165:         this.backend    = backend;
sascha@165:         this.context    = context;
sascha@165:     }
sascha@165: 
sascha@165:     protected User getUser() {
sascha@165:         if (user == null) {
sascha@165:             user = backend.getUser(identifier, factory, context);
sascha@165:             if (user == null) {
sascha@165:                 throw new IllegalStateException("loading user failed");
sascha@165:             }
sascha@165:         }
sascha@165:         return user;
sascha@165:     }
sascha@165: 
sascha@165:     public String identifier() {
sascha@165:         return getUser().identifier();
sascha@165:     }
sascha@165: 
sascha@165:     public String getName() {
sascha@165:         return getUser().getName();
sascha@165:     }
sascha@165: 
sascha@165:     public void setName(String name) {
sascha@165:         getUser().setName(name);
sascha@165:     }
sascha@165: 
sascha@165:     public void setIdentifier(String identifier) {
sascha@165:         getUser().setIdentifier(identifier);
sascha@165:     }
sascha@165: 
sascha@165:     public Document getRole() {
sascha@165:         return getUser().getRole();
sascha@165:     }
sascha@165: 
sascha@165:     public void setRole(Document document) {
sascha@165:         getUser().setRole(document);
sascha@165:     }
sascha@165: }
sascha@165: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :