Mercurial > dive4elements > river

comparison flys-client/src/main/java/org/dive4elements/river/client/server/CollectionItemAttributeServiceImpl.java @ 5834:f507086aa94b

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Repaired internal references.
author Sascha L. Teichmann <teichmann@intevation.de>
date Thu, 25 Apr 2013 12:31:32 +0200
parents flys-client/src/main/java/de/intevation/flys/client/server/CollectionItemAttributeServiceImpl.java@b296d435fc69
children 821a02bbfb4e
comparison
equal deleted inserted replaced
5833:a2bdc0f524e8 5834:f507086aa94b
1 package de.intevation.flys.client.server;
2
3 import org.w3c.dom.Document;
4 import org.w3c.dom.Element;
5 import org.w3c.dom.NodeList;
6
7 import org.apache.log4j.Logger;
8
9 import com.google.gwt.user.server.rpc.RemoteServiceServlet;
10
11 import de.intevation.artifacts.httpclient.exceptions.ConnectionException;
12 import de.intevation.artifacts.httpclient.http.HttpClient;
13 import de.intevation.artifacts.httpclient.http.HttpClientImpl;
14 import de.intevation.artifacts.httpclient.http.response.DocumentResponseHandler;
15
16 import de.intevation.artifacts.common.ArtifactNamespaceContext;
17 import de.intevation.artifacts.common.utils.XMLUtils;
18
19 import de.intevation.flys.client.shared.exceptions.ServerException;
20 import de.intevation.flys.client.client.services.CollectionItemAttributeService;
21
22 import de.intevation.flys.client.shared.model.Collection;
23 import de.intevation.flys.client.shared.model.CollectionItemAttribute;
24 import de.intevation.flys.client.shared.model.Style;
25 import de.intevation.flys.client.shared.model.StyleSetting;
26
27
28 /**
29 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
30 */
31 public class CollectionItemAttributeServiceImpl
32 extends RemoteServiceServlet
33 implements CollectionItemAttributeService
34 {
35 private static final Logger logger =
36 Logger.getLogger(CollectionItemAttributeServiceImpl.class);
37
38
39 public static final String XPATH_RESULT = "/art:result/text()";
40
41 public static final String OPERATION_FAILURE = "FAILED";
42
43 public static final String ERROR_NO_STYLES_FOUND =
44 "error_no_theme_styles_found";
45
46
47 public CollectionItemAttribute getCollectionItemAttribute(
48 Collection collection,
49 String artifact,
50 String locale)
51 throws ServerException
52 {
53 logger.info(
54 "CollectionItemAttributeServiceImpl.getCollectionItemAttribute");
55
56 String url = getServletContext().getInitParameter("server-url");
57
58 Document requestDoc = XMLUtils.newDocument();
59
60 XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator(
61 requestDoc,
62 ArtifactNamespaceContext.NAMESPACE_URI,
63 ArtifactNamespaceContext.NAMESPACE_PREFIX);
64
65 Element action = ec.create("action");
66
67 Element type = ec.create("type");
68 ec.addAttr(type, "name", "getitemattribute", false);
69
70 Element art = ec.create("artifact");
71 ec.addAttr(art, "uuid", artifact, false);
72
73 type.appendChild(art);
74 action.appendChild(type);
75 requestDoc.appendChild (action);
76
77 try {
78 HttpClient client = new HttpClientImpl(url, locale);
79 Document res = (Document) client.doCollectionAction(
80 requestDoc,
81 collection.identifier(),
82 new DocumentResponseHandler());
83 return readXML (res, artifact);
84 }
85 catch (ConnectionException ce) {
86 logger.error(ce, ce);
87 }
88
89 throw new ServerException(ERROR_NO_STYLES_FOUND);
90 }
91
92
93 public void setCollectionItemAttribute(
94 Collection collection,
95 String artifact,
96 String locale,
97 CollectionItemAttribute attributes)
98 throws ServerException
99 {
100 logger.info(
101 "CollectionItemAttributeServiceImpl.setCollectionItemAttribute");
102
103 String url = getServletContext().getInitParameter("server-url");
104
105 Document doc = writeXML(attributes, artifact);
106
107 try {
108 HttpClient client = new HttpClientImpl(url, locale);
109 Document res = (Document) client.doCollectionAction(
110 doc,
111 collection.identifier(),
112 new DocumentResponseHandler());
113
114 return;
115 }
116 catch (ConnectionException ce) {
117 logger.error(ce, ce);
118 throw new ServerException(ce.getLocalizedMessage());
119 }
120 }
121
122 protected CollectionItemAttribute readXML(Document doc, String artifact)
123 throws ServerException
124 {
125 CollectionItemAttribute cia = new CollectionItemAttribute();
126 cia.setArtifact(artifact);
127
128 Element root = doc.getDocumentElement();
129 NodeList themes = root.getElementsByTagName("art:themes");
130
131 if (themes == null || themes.getLength() == 0) {
132 throw new ServerException(ERROR_NO_STYLES_FOUND);
133 }
134
135 Element e = (Element) themes.item(0);
136 NodeList items = e.getElementsByTagName("theme");
137
138 for (int i = 0; i < items.getLength(); i++) {
139 Style s = StyleHelper.getStyle ((Element) items.item(i));
140 if(s == null) {
141 throw new ServerException(ERROR_NO_STYLES_FOUND);
142 }
143 else {
144 cia.appendStyle(s);
145 }
146 }
147
148 return cia;
149 }
150
151
152 protected Document writeXML (
153 CollectionItemAttribute attributes,
154 String artifact)
155 {
156 Document styles = XMLUtils.newDocument();
157
158 XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator(
159 styles,
160 ArtifactNamespaceContext.NAMESPACE_URI,
161 ArtifactNamespaceContext.NAMESPACE_PREFIX);
162 Element action = ec.create("action");
163 Element type = ec.create("type");
164 type.setAttribute("name", "setitemattribute");
165 Element art = ec.create("artifact");
166 art.setAttribute("uuid", artifact);
167 Element attr = ec.create("attribute");
168 Element themes = ec.create("themes");
169 action.appendChild(type);
170 type.appendChild(art);
171 art.appendChild(attr);
172 attr.appendChild(themes);
173
174 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
175 styles,
176 "",
177 "");
178
179 for (int i = 0; i < attributes.getNumStyles(); i++) {
180 Style s = attributes.getStyle(i);
181 Element theme = creator.create("theme");
182 theme.setAttribute("name", s.getName());
183 theme.setAttribute("facet", s.getFacet());
184 theme.setAttribute("index", String.valueOf(s.getIndex()));
185 for (int j = 0; j < s.getNumSettings(); j++) {
186 StyleSetting set = s.getSetting(j);
187 Element field = creator.create("field");
188 field.setAttribute("name", set.getName());
189 field.setAttribute("display", set.getDisplayName());
190 field.setAttribute("default", set.getDefaultValue());
191 field.setAttribute("hints", set.getHints());
192 field.setAttribute("type", set.getType());
193 field.setAttribute("hidden", String.valueOf(set.isHidden()));
194 theme.appendChild(field);
195 }
196 themes.appendChild(theme);
197 }
198 styles.appendChild(action);
199 return styles;
200 }
201 }
202 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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