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.rendering.domaintypes;
018
019import org.apache.isis.core.metamodel.spec.feature.ObjectMember;
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;
027import org.apache.isis.viewer.restfulobjects.rendering.domainobjects.MemberType;
028
029public abstract class AbstractTypeMemberReprRenderer<R extends ReprRendererAbstract<R, ParentSpecAndFeature<T>>, T extends ObjectMember> extends AbstractTypeFeatureReprRenderer<R, T> {
030
031    protected MemberType memberType;
032
033    public AbstractTypeMemberReprRenderer(final RendererContext resourceContext, final LinkFollowSpecs linkFollower, final RepresentationType representationType, final JsonRepresentation representation) {
034        super(resourceContext, linkFollower, representationType, representation);
035    }
036
037    /**
038     * null if the feature is an object action param.
039     * 
040     * @return
041     */
042    public MemberType getMemberType() {
043        return memberType;
044    }
045
046    @Override
047    public R with(final ParentSpecAndFeature<T> specAndFeature) {
048        super.with(specAndFeature);
049        memberType = MemberType.determineFrom(objectFeature);
050
051        // done eagerly so can use as criteria for x-ro-follow-links
052        representation.mapPut("id", objectFeature.getId());
053        representation.mapPut("memberType", memberType.getName());
054
055        return cast(this);
056    }
057
058    @Override
059    protected void addLinkUpToParent() {
060        final LinkBuilder parentLinkBuilder = DomainTypeReprRenderer.newLinkToBuilder(rendererContext, Rel.UP, objectSpecification);
061        getLinks().arrayAdd(parentLinkBuilder.build());
062    }
063
064    @Override
065    protected void addLinkSelfIfRequired() {
066        if (!includesSelf) {
067            return;
068        }
069
070        final ObjectMember objectMember = getObjectFeature();
071        final LinkBuilder linkBuilder = LinkBuilder.newBuilder(
072                getRendererContext(), Rel.SELF.getName(), getMediaType(), 
073                "domain-types/%s/%s%s", getParentSpecification().getSpecId().asString(), getMemberType().getUrlPart(), objectMember.getId());
074        getLinks().arrayAdd(linkBuilder.build());
075    }
076
077}