content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.apache.chemistry.opencmis.server.impl.browser;
  
  import static org.apache.chemistry.opencmis.commons.impl.Constants.PARAM_ALLOWABLE_ACTIONS;
  import static org.apache.chemistry.opencmis.commons.impl.Constants.PARAM_MAX_ITEMS;
  import static org.apache.chemistry.opencmis.commons.impl.Constants.PARAM_RELATIONSHIP_DIRECTION;
  import static org.apache.chemistry.opencmis.commons.impl.Constants.PARAM_RENDITION_FILTER;
  import static org.apache.chemistry.opencmis.commons.impl.Constants.PARAM_SKIP_COUNT;
  import static org.apache.chemistry.opencmis.commons.impl.Constants.PARAM_SUB_RELATIONSHIP_TYPES;
  import static org.apache.chemistry.opencmis.commons.impl.Constants.PARAM_TYPE_ID;
  
  import java.math.BigInteger;
  
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import org.apache.chemistry.opencmis.commons.data.ObjectList;
  import org.apache.chemistry.opencmis.commons.enums.DateTimeFormat;
  import org.apache.chemistry.opencmis.commons.enums.RelationshipDirection;
  import org.apache.chemistry.opencmis.commons.exceptions.CmisRuntimeException;
  import org.apache.chemistry.opencmis.commons.impl.Constants;
  import org.apache.chemistry.opencmis.commons.impl.JSONConverter;
  import org.apache.chemistry.opencmis.commons.impl.TypeCache;
  import org.apache.chemistry.opencmis.commons.impl.json.JSONObject;
  import org.apache.chemistry.opencmis.commons.server.CallContext;
  import org.apache.chemistry.opencmis.commons.server.CmisService;
  
  public class RelationshipService {
  
      /**
       * getObjectRelationships.
       */
      public static class GetObjectRelationships extends AbstractBrowserServiceCall {
          @Override
          public void serve(CallContext context, CmisService service, String repositoryId, HttpServletRequest request,
                  HttpServletResponse response) throws Exception {
              assert context != null;
              assert service != null;
              assert repositoryId != null;
              assert request != null;
              assert response != null;
  
              // get parameters
              String objectId = ((BrowserCallContextImpl) context).getObjectId();
              Boolean includeSubRelationshipTypes = getBooleanParameter(request, PARAM_SUB_RELATIONSHIP_TYPES);
              RelationshipDirection relationshipDirection = getEnumParameter(request, PARAM_RELATIONSHIP_DIRECTION,
                      RelationshipDirection.class);
              String typeId = getStringParameter(request, PARAM_TYPE_ID);
              String renditionFilter = getStringParameter(request, PARAM_RENDITION_FILTER);
              Boolean includeAllowableActions = getBooleanParameter(request, PARAM_ALLOWABLE_ACTIONS);
              BigInteger maxItems = getBigIntegerParameter(request, PARAM_MAX_ITEMS);
              BigInteger skipCount = getBigIntegerParameter(request, PARAM_SKIP_COUNT);
              boolean succinct = getBooleanParameter(request, Constants.PARAM_SUCCINCT, false);
              DateTimeFormat dateTimeFormat = getDateTimeFormatParameter(request);
  
              // execute
              if (stopBeforeService(service)) {
                  return;
              }
  
              ObjectList relationships = service.getObjectRelationships(repositoryId, objectId,
                      includeSubRelationshipTypes, relationshipDirection, typeId, renditionFilter,
                      includeAllowableActions, maxItems, skipCount, null);
  
              if (stopAfterService(service)) {
                  return;
              }
  
              if (relationships == null) {
                  throw new CmisRuntimeException("Relationships are null!");
              }
  
              TypeCache typeCache = new ServerTypeCacheImpl(repositoryId, service);
              JSONObject jsonChildren = JSONConverter.convert(relationships, typeCache,
                      JSONConverter.PropertyMode.OBJECT, succinct, dateTimeFormat);
  
              response.setStatus(HttpServletResponse.SC_OK);
              writeJSON(jsonChildren, request, response);
          }
      }
  }
  