1 /**
2 * This file Copyright (c) 2015-2018 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.config.source.raw;
35
36 import static java.util.stream.Collectors.toList;
37
38 import info.magnolia.config.registry.DefinitionRawView;
39
40 import java.util.Collection;
41 import java.util.Collections;
42 import java.util.List;
43 import java.util.Map;
44
45 /**
46 * This is a read-only view on the "raw" data of a configured definition.
47 */
48 public class DefinitionRawViewMapWrapper implements DefinitionRawView {
49
50 private final Map<Object, Object> map;
51
52 public DefinitionRawViewMapWrapper(Map map) {
53 this.map = map;
54 }
55
56 @Override
57 public List<Property> properties() {
58 return map.entrySet().stream()
59 .map(this::toValue)
60 .collect(toList());
61 }
62
63 public Map getRawMap() {
64 return Collections.unmodifiableMap(map);
65 }
66
67 private Property deriveValue(Object key, Object o) {
68 // deriving values without name must not result in literal "null" keys in raw-views
69 String name = key != null ? String.valueOf(key) : null;
70 if (o instanceof Map) {
71 return Property.subBean(name, new DefinitionRawViewMapWrapper((Map) o));
72 } else if (o instanceof Collection) {
73 Collection<Property> derivedCollection = ((Collection<?>) o).stream()
74 .map(this::toValue)
75 .collect(toList());
76 return Property.collection(name, derivedCollection);
77 } else if (o instanceof String || o instanceof Boolean || o instanceof Number) {
78 return Property.simple(name, o);
79 } else if (o == null) {
80 return Property.simple(name, "");
81 } else {
82 throw new IllegalStateException("Unsupported property type in map !? " + o + "(" + o.getClass() + ")");
83 }
84 }
85
86 private Property toValue(Object input) {
87 if (input instanceof Map.Entry) {
88 Map.Entry e = (Map.Entry) input;
89 return deriveValue(e.getKey(), e.getValue());
90 } else if (input instanceof Map) {
91 // FIXME seems similar to changes in YamlReader - separate ticket.
92 Map map = (Map) input;
93 return deriveValue(map.get("name"), map);
94 }
95 return deriveValue(null, input);
96 }
97 }