Mercurial > dive4elements > river
comparison flys-client/src/main/java/de/intevation/flys/client/server/AddArtifactServiceImpl.java @ 99:5c3d685546a6
Added a new service to describe collections.
flys-client/trunk@1613 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Wed, 30 Mar 2011 07:35:59 +0000 |
parents | c8cd1b918901 |
children | f7967d12ce6e |
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98:83bf2fb17b7c | 99:5c3d685546a6 |
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32 | 32 |
33 /** | 33 /** |
34 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> | 34 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> |
35 */ | 35 */ |
36 public class AddArtifactServiceImpl | 36 public class AddArtifactServiceImpl |
37 extends RemoteServiceServlet | 37 extends DescribeCollectionServiceImpl |
38 implements AddArtifactService | 38 implements AddArtifactService |
39 { | 39 { |
40 public Collection add(Collection collection, Artifact artifact, String url) { | 40 public Collection add(Collection collection, Artifact artifact, String url) { |
41 System.out.println("AddArtifactServiceImpl - add()"); | 41 System.out.println("AddArtifactServiceImpl.add"); |
42 | 42 |
43 Document add = ClientProtocolUtils.newAddArtifactDocument( | 43 Document add = ClientProtocolUtils.newAddArtifactDocument( |
44 artifact.getUuid(), null); | 44 artifact.getUuid(), null); |
45 | 45 |
46 HttpClient client = new HttpClientImpl(url); | 46 HttpClient client = new HttpClientImpl(url); |
61 System.err.println(ce.getLocalizedMessage()); | 61 System.err.println(ce.getLocalizedMessage()); |
62 } | 62 } |
63 | 63 |
64 return null; | 64 return null; |
65 } | 65 } |
66 | |
67 | |
68 /** | |
69 * This method takes the DESCRIBE document of the Collections describe() | |
70 * operation and extracts the information about the collection itself and | |
71 * the collection items. | |
72 * | |
73 * @param description The DESCRIBE document of the Collections describe() | |
74 * operation. | |
75 * | |
76 * @return a Collection with CollectionItems. | |
77 */ | |
78 protected Collection parseCollection(Document description) { | |
79 System.out.println("AddArtifactServiceImpl.parseCollection"); | |
80 | |
81 if (description == null) { | |
82 System.err.println("The DESCRIBE of the Collection is null!"); | |
83 return null; | |
84 } | |
85 | |
86 String uuid = XMLUtils.xpathString( | |
87 description, | |
88 "art:artifact-collection/@art:uuid", | |
89 ArtifactNamespaceContext.INSTANCE); | |
90 | |
91 if (uuid == null || uuid.equals("")) { | |
92 System.err.println("Found an invalid Collection!"); | |
93 return null; | |
94 } | |
95 | |
96 Collection c = new DefaultCollection(uuid); | |
97 | |
98 NodeList items = (NodeList) XMLUtils.xpath( | |
99 description, | |
100 "art:artifact-collection/art:artifacts/art:artifact", | |
101 XPathConstants.NODESET, | |
102 ArtifactNamespaceContext.INSTANCE); | |
103 | |
104 if (items == null || items.getLength() == 0) { | |
105 System.out.println("No collection item found for this collection."); | |
106 | |
107 return c; | |
108 } | |
109 | |
110 int size = items.getLength(); | |
111 | |
112 for (int i = 0; i < size; i++) { | |
113 CollectionItem item = parseCollectionItem(items.item(i)); | |
114 | |
115 if (item != null) { | |
116 c.addItem(item); | |
117 } | |
118 } | |
119 | |
120 System.out.println( | |
121 "Found " + c.getItemLength() + " collection items " + | |
122 "for the Collection '" + c.identifier() + "'."); | |
123 | |
124 return c; | |
125 } | |
126 | |
127 | |
128 /** | |
129 * This method extracts the CollectionItem from <i>node</i> with its output | |
130 * modes. The output modes are parsed using the parseOutputModes() method. | |
131 * | |
132 * @param node A node that contains information about a CollectionItem. | |
133 * | |
134 * @return a CollectionItem. | |
135 */ | |
136 protected CollectionItem parseCollectionItem(Node node) { | |
137 System.out.println("AddArtifactServiceImpl.parseCollectionItem"); | |
138 | |
139 if (node == null) { | |
140 System.err.println("The node for parsing CollectionItem is null!"); | |
141 return null; | |
142 } | |
143 | |
144 String uuid = XMLUtils.xpathString( | |
145 node, "@art:uuid", ArtifactNamespaceContext.INSTANCE); | |
146 | |
147 String hash = XMLUtils.xpathString( | |
148 node, "@art:hash", ArtifactNamespaceContext.INSTANCE); | |
149 | |
150 if (uuid == null || uuid.equals("")) { | |
151 System.err.println("Found an invalid CollectionItem!"); | |
152 } | |
153 | |
154 Node outputmodes = (Node) XMLUtils.xpath( | |
155 node, | |
156 "art:outputmodes", | |
157 XPathConstants.NODE, | |
158 ArtifactNamespaceContext.INSTANCE); | |
159 | |
160 List<OutputMode> modes = parseOutputModes(outputmodes); | |
161 | |
162 return new DefaultCollectionItem(uuid, hash, modes); | |
163 } | |
164 | |
165 | |
166 /** | |
167 * This method extracts the OutputModes available for a specific | |
168 * CollectionItem and returns them as list. | |
169 * | |
170 * @param node The root node of the outputmodes list. | |
171 * | |
172 * @return a list of OutputModes. | |
173 */ | |
174 protected List<OutputMode> parseOutputModes(Node node) { | |
175 System.out.println("AddArtifactServiceImpl.parseOutputModes"); | |
176 | |
177 if (node == null) { | |
178 System.err.println("The node for parsing OutputModes is null!"); | |
179 return null; | |
180 } | |
181 | |
182 NodeList list = (NodeList) XMLUtils.xpath( | |
183 node, | |
184 "art:output", | |
185 XPathConstants.NODESET, | |
186 ArtifactNamespaceContext.INSTANCE); | |
187 | |
188 if (list == null || list.getLength() == 0) { | |
189 System.err.println("No outputmode nodes found!"); | |
190 return null; | |
191 } | |
192 | |
193 int size = list.getLength(); | |
194 | |
195 List<OutputMode> modes = new ArrayList<OutputMode>(size); | |
196 | |
197 for (int i = 0; i < size; i++) { | |
198 Node tmp = list.item(i); | |
199 String name = XMLUtils.xpathString( | |
200 tmp, "@art:name", ArtifactNamespaceContext.INSTANCE); | |
201 String desc = XMLUtils.xpathString( | |
202 tmp, "@art:description", ArtifactNamespaceContext.INSTANCE); | |
203 String mime = XMLUtils.xpathString( | |
204 tmp, "@art:mime-type", ArtifactNamespaceContext.INSTANCE); | |
205 | |
206 if (name == null || name.equals("")) { | |
207 System.err.println("Found an invalid output mode."); | |
208 | |
209 continue; | |
210 } | |
211 | |
212 // TODO Parse Facets | |
213 | |
214 modes.add(new DefaultOutputMode(name, desc, mime)); | |
215 } | |
216 | |
217 return modes; | |
218 } | |
219 } | 66 } |
220 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : | 67 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |