001/*
002 *  Licensed to the Apache Software Foundation (ASF) under one
003 *  or more contributor license agreements.  See the NOTICE file
004 *  distributed with this work for additional information
005 *  regarding copyright ownership.  The ASF licenses this file
006 *  to you under the Apache License, Version 2.0 (the
007 *  "License"); you may not use this file except in compliance
008 *  with the License.  You may obtain a copy of the License at
009 *
010 *        http://www.apache.org/licenses/LICENSE-2.0
011 *
012 *  Unless required by applicable law or agreed to in writing,
013 *  software distributed under the License is distributed on an
014 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 *  KIND, either express or implied.  See the License for the
016 *  specific language governing permissions and limitations
017 *  under the License.
018 */
019package org.apache.isis.viewer.restfulobjects.applib.domainobjects;
020
021import org.codehaus.jackson.JsonNode;
022import org.apache.isis.viewer.restfulobjects.applib.JsonRepresentation;
023import org.apache.isis.viewer.restfulobjects.applib.JsonRepresentation.HasExtensions;
024import org.apache.isis.viewer.restfulobjects.applib.JsonRepresentation.HasLinkToSelf;
025import org.apache.isis.viewer.restfulobjects.applib.JsonRepresentation.HasLinks;
026import org.apache.isis.viewer.restfulobjects.applib.LinkRepresentation;
027import org.apache.isis.viewer.restfulobjects.applib.Rel;
028
029public abstract class DomainRepresentation extends JsonRepresentation implements HasLinkToSelf, HasLinks, HasExtensions {
030
031    public DomainRepresentation(final JsonNode jsonNode) {
032        super(jsonNode);
033    }
034
035    @Override
036    public LinkRepresentation getSelf() {
037        return getLinkWithRel(Rel.SELF);
038    }
039
040    @Override
041    public JsonRepresentation getLinks() {
042        return getArray("links").ensureArray();
043    }
044
045    public LinkRepresentation getLinkWithRel(final Rel rel) {
046        for (final LinkRepresentation linkRepr : getLinks().arrayIterable(LinkRepresentation.class)) {
047            if(rel.matches(linkRepr.getRel())) {
048                return linkRepr;
049            }
050        }
051        return null;
052    }
053
054    public LinkRepresentation getLinkWithRel(final String rel) {
055        return getLink(String.format("links[rel=%s]", rel));
056    }
057
058    @Override
059    public JsonRepresentation getExtensions() {
060        return getMap("extensions");
061    }
062
063}