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Magnolia REST Content Delivery 2.1

  1. Project Clover database Fri Mar 16 2018 18:21:08 CET
  2. Package info.magnolia.rest.reference.jcr

File JcrReferenceResolver.java

 

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Classes

Class Line # Actions
JcrReferenceResolver 58 15 0% 8 23
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1    /**
2    * This file Copyright (c) 2017-2018 Magnolia International
3    * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4    *
5    *
6    * This file is dual-licensed under both the Magnolia
7    * Network Agreement and the GNU General Public License.
8    * You may elect to use one or the other of these licenses.
9    *
10    * This file is distributed in the hope that it will be
11    * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12    * implied warranty of MERCHANTABILITY or FITNESS FOR A
13    * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14    * Redistribution, except as permitted by whichever of the GPL
15    * or MNA you select, is prohibited.
16    *
17    * 1. For the GPL license (GPL), you can redistribute and/or
18    * modify this file under the terms of the GNU General
19    * Public License, Version 3, as published by the Free Software
20    * Foundation. You should have received a copy of the GNU
21    * General Public License, Version 3 along with this program;
22    * if not, write to the Free Software Foundation, Inc., 51
23    * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24    *
25    * 2. For the Magnolia Network Agreement (MNA), this file
26    * and the accompanying materials are made available under the
27    * terms of the MNA which accompanies this distribution, and
28    * is available at http://www.magnolia-cms.com/mna.html
29    *
30    * Any modifications to this file must keep this entire header
31    * intact.
32    *
33    */
34    package info.magnolia.rest.reference.jcr;
35   
36    import info.magnolia.context.Context;
37    import info.magnolia.link.LinkUtil;
38    import info.magnolia.rest.delivery.jcr.decorator.AdditionNodeWrapper;
39    import info.magnolia.rest.delivery.jcr.decorator.ReadOnlyProperty;
40    import info.magnolia.rest.reference.ReferenceResolver;
41   
42    import java.util.Collections;
43    import java.util.Optional;
44   
45    import javax.inject.Inject;
46    import javax.inject.Provider;
47    import javax.jcr.ItemNotFoundException;
48    import javax.jcr.Node;
49    import javax.jcr.RepositoryException;
50   
51    import org.apache.jackrabbit.value.StringValue;
52    import org.slf4j.Logger;
53    import org.slf4j.LoggerFactory;
54   
55    /**
56    * The implementation of {@link info.magnolia.rest.reference.ReferenceResolver} on JCR.
57    */
 
58    public class JcrReferenceResolver implements ReferenceResolver<String, Object> {
59   
60    private static final Logger log = LoggerFactory.getLogger(JcrReferenceResolver.class);
61    private final Provider<Context> contextProvider;
62    private final JcrReferenceResolverDefinition definition;
63   
 
64  0 toggle @Inject
65    public JcrReferenceResolver(Provider<Context> contextProvider, JcrReferenceResolverDefinition definition) {
66  0 this.contextProvider = contextProvider;
67  0 this.definition = definition;
68    }
69   
 
70  0 toggle @Override
71    public Optional<Object> resolve(String item) {
72  0 try {
73  0 Node node = contextProvider.get().getJCRSession(definition.getTargetWorkspace()).getNodeByIdentifier(item);
74  0 String link = LinkUtil.createLink(node);
75  0 if (definition.isGenerateLink() && definition.isExpand()) {
76  0 AdditionNodeWrapper nodeWrapper = new AdditionNodeWrapper(node, Collections.singletonList(new ReadOnlyProperty("@link", new StringValue(link), node)));
77   
78  0 return Optional.of(nodeWrapper);
79    }
80   
81  0 if (definition.isExpand()) {
82  0 return Optional.of(node);
83    }
84   
85  0 if (definition.isGenerateLink()) {
86  0 return Optional.ofNullable(link);
87    }
88    } catch (ItemNotFoundException e) {
89  0 log.warn("Could not resolve JCR reference for identifier {} within workspace {}; reference is either orphaned, or the session did not have read access.", item, definition.getTargetWorkspace());
90    } catch (RepositoryException e) {
91  0 log.warn("Error on resolving item {}", item);
92    }
93   
94  0 return Optional.empty();
95    }
96    }