1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
/*
* 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.tuscany.sca.binding.atom.provider;
import java.util.Date;
import org.apache.abdera.factory.Factory;
import org.apache.abdera.model.Content;
import org.apache.abdera.model.Content.Type;
import org.apache.abdera.model.Link;
import org.apache.tuscany.sca.data.collection.Entry;
import org.apache.tuscany.sca.data.collection.Item;
import org.apache.tuscany.sca.databinding.Mediator;
import org.apache.tuscany.sca.interfacedef.DataType;
/**
* Utility methods used in this package.
*
* @version $Rev$ $Date$
*/
class AtomBindingUtil {
/**
* Create a data item from an Atom entry.
* @param feedEntry
* @param itemClassType
* @param itemXMLType
* @param mediator
* @return
*/
static Entry<Object, Object> entry(org.apache.abdera.model.Entry feedEntry,
DataType<?> itemClassType, DataType<?> itemXMLType, Mediator mediator) {
if (feedEntry != null) {
if (itemClassType.getPhysical() == Item.class || feedEntry.getContentType() == Type.HTML ) {
String key = feedEntry.getId().toString();
Item item = new Item();
item.setTitle(feedEntry.getTitle());
item.setContents(feedEntry.getContent());
for (Link link : feedEntry.getLinks()) {
if (link.getRel() == null || "self".equals(link.getRel())) {
if (item.getLink() == null) {
item.setLink(link.getHref().toString());
}
} else if ("related".equals(link.getRel())) {
item.setRelated(link.getHref().toString());
} else if ("alternate".equals(link.getRel())) {
item.setAlternate(link.getHref().toString());
}
}
item.setDate(feedEntry.getUpdated());
return new Entry<Object, Object>(key, item);
} else {
String key = null;
if ( feedEntry.getId() != null) {
key = feedEntry.getId().toString();
}
// Create the item from XML
/*
if (feedEntry.getContentElement().getElements().size() == 0) {
return null;
}
*/
String value = feedEntry.getContent();
Object data = mediator.mediate(value, itemXMLType, itemClassType, null);
return new Entry<Object, Object>(key, data);
}
} else {
return null;
}
}
/**
* Create an Atom entry for a key and item from a collection.
* @param entry
* @param itemClassType
* @param itemXMLType
* @param mediator
* @param factory
* @return
*/
static org.apache.abdera.model.Entry feedEntry(Entry<Object, Object> entry,
DataType<?> itemClassType, DataType<?> itemXMLType, Mediator mediator,
Factory factory) {
Object key = entry.getKey();
Object data = entry.getData();
if (data instanceof Item) {
Item item = (Item)data;
org.apache.abdera.model.Entry feedEntry = factory.newEntry();
if (key != null) {
feedEntry.setId(key.toString());
}
feedEntry.setTitle(item.getTitle());
feedEntry.setContentAsHtml(item.getContents());
String href = item.getLink();
if (href == null && key != null) {
href = key.toString();
}
if (href != null) {
feedEntry.addLink(href);
}
String related = item.getRelated();
if (related != null) {
feedEntry.addLink(related, "related");
}
String alternate = item.getAlternate();
if (alternate != null) {
feedEntry.addLink(alternate, "alternate");
}
Date date = item.getDate();
if (date != null) {
feedEntry.setUpdated(date);
}
return feedEntry;
} else if (data != null) {
org.apache.abdera.model.Entry feedEntry = factory.newEntry();
feedEntry.setId(key.toString());
feedEntry.setTitle("item");
// Convert the item to XML
String value = mediator.mediate(data, itemClassType, itemXMLType, null).toString();
Content content = factory.newContent();
content.setContentType(Content.Type.XML);
content.setValue(value);
feedEntry.setContentElement(content);
feedEntry.addLink(key.toString());
return feedEntry;
} else {
return null;
}
}
}
|
