001/**
002 *  Licensed to the Apache Software Foundation (ASF) under one or more
003 *  contributor license agreements.  See the NOTICE file distributed with
004 *  this work for additional information regarding copyright ownership.
005 *  The ASF licenses this file to You under the Apache License, Version 2.0
006 *  (the "License"); you may not use this file except in compliance with
007 *  the License.  You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 *  Unless required by applicable law or agreed to in writing, software
012 *  distributed under the License is distributed on an "AS IS" BASIS,
013 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 *  See the License for the specific language governing permissions and
015 *  limitations under the License.
016 */
017package org.apache.isis.viewer.restfulobjects.server.resources;
018
019import org.apache.isis.core.commons.authentication.AuthenticationSession;
020import org.apache.isis.viewer.restfulobjects.applib.JsonRepresentation;
021import org.apache.isis.viewer.restfulobjects.applib.Rel;
022import org.apache.isis.viewer.restfulobjects.applib.RepresentationType;
023import org.apache.isis.viewer.restfulobjects.rendering.LinkBuilder;
024import org.apache.isis.viewer.restfulobjects.rendering.LinkFollowSpecs;
025import org.apache.isis.viewer.restfulobjects.rendering.RendererContext;
026import org.apache.isis.viewer.restfulobjects.rendering.ReprRendererAbstract;
027
028public class UserReprRenderer extends ReprRendererAbstract<UserReprRenderer, AuthenticationSession> {
029
030    UserReprRenderer(final RendererContext rendererContext, final LinkFollowSpecs linkFollower, final JsonRepresentation representation) {
031        super(rendererContext, linkFollower, RepresentationType.USER, representation);
032    }
033
034    @Override
035    public UserReprRenderer with(final AuthenticationSession authenticationSession) {
036        representation.mapPut("userName", authenticationSession.getUserName());
037        final JsonRepresentation roles = JsonRepresentation.newArray();
038        for (final String role : authenticationSession.getRoles()) {
039            roles.arrayAdd(role);
040        }
041        representation.mapPut("roles", roles);
042        return this;
043    }
044
045    @Override
046    public JsonRepresentation render() {
047        if (includesSelf) {
048            addLinkToSelf();
049            addLinkToUp();
050        }
051        getExtensions();
052        return representation;
053    }
054
055    private void addLinkToSelf() {
056        final JsonRepresentation link = LinkBuilder.newBuilder(getRendererContext(), Rel.SELF.getName(), RepresentationType.USER, "user").build();
057
058        final LinkFollowSpecs linkFollower = getLinkFollowSpecs().follow("links");
059        if (linkFollower.matches(link)) {
060            final UserReprRenderer renderer = new UserReprRenderer(getRendererContext(), linkFollower, JsonRepresentation.newMap());
061            renderer.with(getRendererContext().getAuthenticationSession());
062            link.mapPut("value", renderer.render());
063        }
064
065        getLinks().arrayAdd(link);
066    }
067
068    private void addLinkToUp() {
069        final JsonRepresentation link = LinkBuilder.newBuilder(rendererContext, Rel.UP.getName(), RepresentationType.HOME_PAGE, "").build();
070
071        final LinkFollowSpecs linkFollower = getLinkFollowSpecs().follow("links");
072        if (linkFollower.matches(link)) {
073            final HomePageReprRenderer renderer = new HomePageReprRenderer(getRendererContext(), linkFollower, JsonRepresentation.newMap());
074            link.mapPut("value", renderer.render());
075        }
076        getLinks().arrayAdd(link);
077    }
078
079
080}