Mercurial > dive4elements > river

comparison flys-client/src/main/java/de/intevation/flys/client/server/ArtifactDescriptionFactory.java @ 34:bf84bcd4e11b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Parse static data from DESCRIBE. flys-client/trunk@1454 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 10 Mar 2011 13:40:29 +0000
parents 88c530c25968
children b6b89ff1adee
comparison
equal deleted inserted replaced
33:e29658e2623a 34:bf84bcd4e11b
35 35
36 public static final String XPATH_UIPROVIDER = "@art:uiprovider"; 36 public static final String XPATH_UIPROVIDER = "@art:uiprovider";
37 37
38 public static final String XPATH_REACHABLE_STATE = "art:state"; 38 public static final String XPATH_REACHABLE_STATE = "art:state";
39 39
40 public static final String XPATH_STATIC_DATA_NODE = "art:data";
41
42 public static final String XPATH_STATIC_ITEM_NODE = "art:item";
43
40 /** 44 /**
41 * This method creates the {@link ArtifactDescription} of the DESCRIBE 45 * This method creates the {@link ArtifactDescription} of the DESCRIBE
42 * document <i>doc</i>. 46 * document <i>doc</i>.
43 * 47 *
44 * @param doc A DESCRIBE document. 48 * @param doc A DESCRIBE document.
58 XPATH_STATE_NAME, 62 XPATH_STATE_NAME,
59 XPathConstants.STRING, 63 XPathConstants.STRING,
60 ArtifactNamespaceContext.INSTANCE); 64 ArtifactNamespaceContext.INSTANCE);
61 System.out.println("Current state name: " + state); 65 System.out.println("Current state name: " + state);
62 66
63 Data currentData = extractCurrentData(dynamicNode); 67 Data currentData = extractCurrentData(dynamicNode);
64 String[] states = extractReachableStates(reachable); 68 Data[] old = extractOldData(staticNode);
65 69 String[] states = extractReachableStates(reachable);
66 // TODO parse the static ui part 70
67 return new DefaultArtifactDescription(null, currentData, state, states); 71 return new DefaultArtifactDescription(old, currentData, state, states);
68 } 72 }
69 73
70 74
71 /** 75 /**
72 * This method extracts the data that the user is able to enter in the 76 * This method extracts the data that the user is able to enter in the
119 123
120 dataItems.add(new DefaultDataItem(label, null, value)); 124 dataItems.add(new DefaultDataItem(label, null, value));
121 } 125 }
122 126
123 return (DataItem[]) dataItems.toArray(new DataItem[count]); 127 return (DataItem[]) dataItems.toArray(new DataItem[count]);
128 }
129
130
131 /**
132 * This method extracts the data objects from the data node of the static ui
133 * part of the DESCRIBE document.
134 *
135 * @param staticNode The static ui node of the DESCRIBE.
136 *
137 * @return the Data objects.
138 */
139 protected static Data[] extractOldData(Node staticNode) {
140 System.out.println("ArtifactDescriptionFactory - extractOldData()");
141
142 NodeList dataNodes = (NodeList) XMLUtils.xpath(
143 staticNode,
144 XPATH_STATIC_DATA_NODE,
145 XPathConstants.NODESET,
146 ArtifactNamespaceContext.INSTANCE);
147
148 if (dataNodes == null || dataNodes.getLength() == 0) {
149 System.out.println("No old items found.");
150 return null;
151 }
152
153 int count = dataNodes.getLength();
154
155 Data[] data = new Data[count];
156
157 for (int i = 0; i < count; i++) {
158 Node tmp = dataNodes.item(i);
159
160 String name = XMLUtils.xpathString(
161 tmp, "@art:name", ArtifactNamespaceContext.INSTANCE);
162 String type = XMLUtils.xpathString(
163 tmp, "@art:type", ArtifactNamespaceContext.INSTANCE);
164
165 DataItem[] items = extractOldDataItems(tmp);
166
167 data[i] = new DefaultData(name, name, type, items, null);
168 }
169
170 return data;
171 }
172
173
174 /**
175 * This method extracts the data items from the data nodes that are placed
176 * in the static ui part of the DESCRIBE document.
177 *
178 * @param dataNode A data node that contains items.
179 *
180 * @return a list of DataItems.
181 */
182 protected static DataItem[] extractOldDataItems(Node dataNode) {
183 NodeList itemList = (NodeList) XMLUtils.xpath(
184 dataNode,
185 XPATH_STATIC_ITEM_NODE,
186 XPathConstants.NODESET,
187 ArtifactNamespaceContext.INSTANCE);
188
189 if (itemList == null || itemList.getLength() == 0) {
190 System.out.println("No old data items found.");
191 return null;
192 }
193
194 int count = itemList.getLength();
195
196 DataItem[] items = new DataItem[count];
197
198 for (int i = 0; i < count; i++) {
199 Node tmp = itemList.item(i);
200
201 String value = XMLUtils.xpathString(
202 tmp, "@art:value", ArtifactNamespaceContext.INSTANCE);
203
204 // TODO extract the human readable value (description) from node
205 items[i] = new DefaultDataItem(value, value, value);
206 }
207
208 return items;
124 } 209 }
125 210
126 211
127 /** 212 /**
128 * This method extracts the UIProvider specified by the data node. 213 * This method extracts the UIProvider specified by the data node.
http://dive4elements.wald.intevation.org