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RelationshipServiceImpl xref 

1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   * http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.chemistry.opencmis.client.bindings.spi.browser;
20  
21  import java.math.BigInteger;
22  import java.util.Map;
23  
24  import org.apache.chemistry.opencmis.client.bindings.spi.BindingSession;
25  import org.apache.chemistry.opencmis.client.bindings.spi.http.HttpUtils;
26  import org.apache.chemistry.opencmis.commons.data.ExtensionsData;
27  import org.apache.chemistry.opencmis.commons.data.ObjectList;
28  import org.apache.chemistry.opencmis.commons.enums.RelationshipDirection;
29  import org.apache.chemistry.opencmis.commons.impl.Constants;
30  import org.apache.chemistry.opencmis.commons.impl.JSONConverter;
31  import org.apache.chemistry.opencmis.commons.impl.UrlBuilder;
32  import org.apache.chemistry.opencmis.commons.spi.RelationshipService;
33  
34  /**
35   * Relationship Service Browser Binding client.
36   */
37  public class RelationshipServiceImpl extends AbstractBrowserBindingService implements RelationshipService {
38  
39      /**
40       * Constructor.
41       */
42      public RelationshipServiceImpl(BindingSession session) {
43          setSession(session);
44      }
45  
46      public ObjectList getObjectRelationships(String repositoryId, String objectId, Boolean includeSubRelationshipTypes,
47              RelationshipDirection relationshipDirection, String typeId, String filter, Boolean includeAllowableActions,
48              BigInteger maxItems, BigInteger skipCount, ExtensionsData extension) {
49          // build URL
50          UrlBuilder url = getObjectUrl(repositoryId, objectId, Constants.SELECTOR_RELATIONSHIPS);
51          url.addParameter(Constants.PARAM_SUB_RELATIONSHIP_TYPES, includeSubRelationshipTypes);
52          url.addParameter(Constants.PARAM_RELATIONSHIP_DIRECTION, relationshipDirection);
53          url.addParameter(Constants.PARAM_TYPE_ID, typeId);
54          url.addParameter(Constants.PARAM_FILTER, filter);
55          url.addParameter(Constants.PARAM_ALLOWABLE_ACTIONS, includeAllowableActions);
56          url.addParameter(Constants.PARAM_MAX_ITEMS, maxItems);
57          url.addParameter(Constants.PARAM_SKIP_COUNT, skipCount);
58  
59          // read and parse
60          HttpUtils.Response resp = read(url);
61          Map<String, Object> json = parseObject(resp.getStream(), resp.getCharset());
62  
63          return JSONConverter.convertObjectList(json, false);
64      }
65  }