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.rendering.util;
020
021import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
022import org.apache.isis.core.metamodel.adapter.oid.Oid;
023import org.apache.isis.core.metamodel.adapter.oid.OidMarshaller;
024import org.apache.isis.core.metamodel.adapter.oid.RootOid;
025import org.apache.isis.core.metamodel.adapter.oid.TypedOid;
026import org.apache.isis.viewer.restfulobjects.rendering.RendererContext;
027
028public final class OidUtils {
029
030    private OidUtils() {
031    }
032
033    public static String getDomainType(final ObjectAdapter objectAdapter) {
034        Oid oid = objectAdapter.getOid();
035        if(oid == null || !(oid instanceof TypedOid)) {
036            return null;
037        }
038        TypedOid typedOid = (TypedOid) oid;
039        return typedOid.getObjectSpecId().asString();
040    }
041
042    public static String getInstanceId(final RendererContext renderContext, final ObjectAdapter objectAdapter) {
043        String oidStr = getOidStr(renderContext, objectAdapter);
044        // REVIEW: it's a bit hokey to join these together just to split them out again.
045        return oidStr != null ? getOidMarshaller().splitInstanceId(oidStr): null;
046    }
047
048    
049    public static String getOidStr(final RendererContext renderContext, final ObjectAdapter objectAdapter) {
050        final Oid oid = objectAdapter.getOid();
051        if(!(oid instanceof RootOid)) {
052            throw new IllegalArgumentException("objectAdapter must be a root adapter");
053        }
054        return oid != null ? oid.enStringNoVersion(getOidMarshaller()) : null;
055    }
056
057    private static OidMarshaller getOidMarshaller() {
058                return new OidMarshaller();
059        }
060
061    
062}