Mercurial > dive4elements > river

comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/ChartArtifact.java @ 3318:dbe2f85bf160

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merged flys-artifacts/2.8
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 28 Sep 2012 12:14:35 +0200
parents 2f922be407ea
children b1912514e0f5
comparison
equal deleted inserted replaced
2987:98c7a46ec5ae 3318:dbe2f85bf160
1 package de.intevation.flys.artifacts;
2
3 import org.apache.log4j.Logger;
4
5 import java.util.List;
6
7 import org.w3c.dom.Document;
8 import org.w3c.dom.Element;
9
10 import de.intevation.artifacts.Artifact;
11
12 import de.intevation.artifacts.ArtifactFactory;
13 import de.intevation.artifacts.CallMeta;
14 import de.intevation.artifacts.CallContext;
15
16 import de.intevation.artifacts.common.utils.XMLUtils;
17 import de.intevation.artifacts.common.utils.XMLUtils.ElementCreator;
18 import de.intevation.artifacts.common.ArtifactNamespaceContext;
19
20 import de.intevation.artifactdatabase.ProtocolUtils;
21 import de.intevation.artifactdatabase.state.Facet;
22 import de.intevation.artifactdatabase.state.State;
23 import de.intevation.artifactdatabase.state.StateEngine;
24 import de.intevation.artifactdatabase.state.Output;
25
26 import de.intevation.flys.utils.FLYSUtils;
27
28 import de.intevation.flys.artifacts.states.DefaultState;
29 import de.intevation.flys.artifacts.context.FLYSContext;
30 import de.intevation.flys.artifacts.resources.Resources;
31
32
33 public class ChartArtifact extends FLYSArtifact {
34
35 private static final Logger logger =
36 Logger.getLogger(ChartArtifact.class);
37
38 @Override
39 public void setup(
40 String identifier,
41 ArtifactFactory factory,
42 Object context,
43 CallMeta callmeta,
44 Document data)
45 {
46 logger.debug("ChartArtifact.setup");
47 this.identifier = identifier;
48 name = "new_chart";
49
50 List<State> states = getStates(context);
51
52 setCurrentState(states.get(0));
53 }
54
55 @Override
56 protected void appendBackgroundActivity(
57 ElementCreator cr,
58 Element root,
59 CallContext context
60 ) {
61 Element inBackground = cr.create("background-processing");
62 root.appendChild(inBackground);
63
64 cr.addAttr(
65 inBackground,
66 "value",
67 String.valueOf(context.isInBackground()),
68 true);
69 }
70
71
72 /**
73 * Append output mode nodes to a document.
74 */
75 @Override
76 protected void appendOutputModes(
77 Document doc,
78 Element outs,
79 CallContext context,
80 String uuid)
81 {
82 List<String> stateIds = getPreviousStateIds();
83
84 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
85 doc,
86 ArtifactNamespaceContext.NAMESPACE_URI,
87 ArtifactNamespaceContext.NAMESPACE_PREFIX);
88
89 FLYSContext flysContext = FLYSUtils.getFlysContext(context);
90 StateEngine engine = (StateEngine) flysContext.get(
91 FLYSContext.STATE_ENGINE_KEY);
92
93 for (String stateId: stateIds) {
94 logger.debug("Append output modes for state: " + stateId);
95 DefaultState state = (DefaultState) engine.getState(stateId);
96
97 List<Output> list = state.getOutputs();
98 if (list == null || list.size() == 0) {
99 logger.debug("-> No output modes for this state.");
100 continue;
101 }
102
103 List<Facet> fs = facets.get(stateId);
104
105 if (fs == null || fs.size() == 0) {
106 logger.debug("No facets for previous state found.");
107 continue;
108 }
109
110 logger.debug("Found " + fs.size() + " facets in previous states.");
111
112 List<Output> generated = generateOutputs(list, fs);
113
114 ProtocolUtils.appendOutputModes(doc, outs, generated);
115 }
116
117 try {
118 DefaultState cur = (DefaultState) getCurrentState(context);
119 List<Output> list = cur.getOutputs();
120 if (list != null && list.size() > 0) {
121 logger.debug(
122 "Append output modes for current state: " + cur.getID());
123
124 List<Facet> fs = facets.get(cur.getID());
125
126 if (fs != null && fs.size() > 0) {
127 List<Output> generated = generateOutputs(list, fs);
128
129 logger.debug("Found " + fs.size() + " current facets.");
130 if (!generated.isEmpty()) {
131 ProtocolUtils.appendOutputModes(
132 doc, outs, generated);
133 }
134 }
135 else {
136 logger.debug("No facets found for the current state.");
137 }
138 }
139 }
140 catch (IllegalArgumentException iae) {
141 // state is not valid, so we do not append its outputs.
142 }
143 }
144
145 public static class ChartState extends DefaultState {
146
147 public static final String FIELD_MODE = "chart_type";
148
149 public static final String DURATION_CURVE =
150 "chart.new.durationcurve";
151
152 public static final String COMPUTED_DISCHARGE_CURVE =
153 "chart.new.computeddischargecurve";
154
155 public static final String DISCHARGE_LONGITUDINAL_CURVE =
156 "chart.new.longitudinal_section";
157
158 public static final String W_DIFFERENCES =
159 "chart.new.w_differences";
160
161 public static final String WATERLEVEL =
162 "chart.new.crosssection";
163
164 public static final String[] CHARTS = {
165 COMPUTED_DISCHARGE_CURVE,
166 DURATION_CURVE,
167 DISCHARGE_LONGITUDINAL_CURVE,
168 W_DIFFERENCES,
169 WATERLEVEL };
170
171
172
173 @Override
174 public Object computeAdvance(
175 FLYSArtifact artifact,
176 String hash,
177 CallContext context,
178 List<Facet> facets,
179 Object old)
180 {
181 logger.debug("ChartState.computeAdvance");
182
183
184 return null;
185 }
186
187
188 @Override
189 protected Element[] createItems(
190 XMLUtils.ElementCreator cr,
191 Artifact artifact,
192 String name,
193 CallContext context)
194 {
195 CallMeta meta = context.getMeta();
196 Element[] charts = new Element[CHARTS.length];
197
198 int i = 0;
199
200 for (String chart: CHARTS) {
201 charts[i++] = createItem(
202 cr, new String[] {
203 Resources.getMsg(meta, chart, chart),
204 chart
205 });
206 }
207
208 return charts;
209 }
210 }
211 }
212 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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