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.viewer.restfulobjects.applib.JsonRepresentation;
020import org.apache.isis.viewer.restfulobjects.applib.Rel;
021import org.apache.isis.viewer.restfulobjects.applib.RepresentationType;
022import org.apache.isis.viewer.restfulobjects.rendering.LinkBuilder;
023import org.apache.isis.viewer.restfulobjects.rendering.LinkFollowSpecs;
024import org.apache.isis.viewer.restfulobjects.rendering.RendererContext;
025import org.apache.isis.viewer.restfulobjects.rendering.domainobjects.ListReprRenderer;
026
027public class DomainServicesListReprRenderer extends ListReprRenderer {
028
029    public DomainServicesListReprRenderer(final RendererContext resourceContext, final LinkFollowSpecs linkFollower, final JsonRepresentation representation) {
030        super(resourceContext, linkFollower, representation);
031    }
032
033    
034    @Override
035    public JsonRepresentation render() {
036        super.render();
037        if (includesSelf) {
038            addLinkToSelf();
039            addLinkToUp();
040        }
041        getExtensions();
042        return representation;
043    }
044
045
046    private void addLinkToSelf() {
047        final JsonRepresentation link = LinkBuilder.newBuilder(getRendererContext(), Rel.SELF.getName(), RepresentationType.LIST, "services").build();
048
049        final LinkFollowSpecs linkFollower = getLinkFollowSpecs().follow("links");
050        if (linkFollower.matches(link)) {
051            final DomainServicesListReprRenderer renderer = new DomainServicesListReprRenderer(getRendererContext(), linkFollower, JsonRepresentation.newMap());
052            renderer.with(getServiceAdapters());
053            link.mapPut("value", renderer.render());
054        }
055
056        getLinks().arrayAdd(link);
057    }
058
059    private void addLinkToUp() {
060        final JsonRepresentation link = LinkBuilder.newBuilder(rendererContext, Rel.UP.getName(), RepresentationType.HOME_PAGE, "").build();
061
062        final LinkFollowSpecs linkFollower = getLinkFollowSpecs().follow("links");
063        if (linkFollower.matches(link)) {
064            final HomePageReprRenderer renderer = new HomePageReprRenderer(getRendererContext(), linkFollower, JsonRepresentation.newMap());
065            link.mapPut("value", renderer.render());
066        }
067        getLinks().arrayAdd(link);
068    }
069
070}