Mercurial > dive4elements > river

comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/ExternalWMSArtifact.java @ 3812:f788d2d901d6

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merged flys-artifacts/pre2.6-2011-12-05
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 28 Sep 2012 12:14:53 +0200
parents fde3db5e68e8
children 8afd6a9bb244
comparison
equal deleted inserted replaced
3808:5fab0fe3c445 3812:f788d2d901d6
1 package de.intevation.flys.artifacts;
2
3 import java.util.ArrayList;
4 import java.util.List;
5
6 import org.apache.log4j.Logger;
7
8 import org.w3c.dom.Document;
9
10 import de.intevation.artifacts.Artifact;
11 import de.intevation.artifacts.ArtifactFactory;
12 import de.intevation.artifacts.CallMeta;
13
14 import de.intevation.artifacts.common.ArtifactNamespaceContext;
15 import de.intevation.artifacts.common.utils.XMLUtils;
16
17 import de.intevation.artifactdatabase.data.DefaultStateData;
18 import de.intevation.artifactdatabase.state.DefaultOutput;
19 import de.intevation.artifactdatabase.state.Facet;
20 import de.intevation.artifactdatabase.state.State;
21
22 import de.intevation.flys.artifacts.states.WMSBackgroundState;
23
24
25 public class ExternalWMSArtifact extends StaticFLYSArtifact {
26
27 public static final String XPATH_IDS = "/art:action/art:ids/@value";
28
29 public static final String NAME = "external_wms";
30
31 private static final Logger logger =
32 Logger.getLogger(ExternalWMSArtifact.class);
33
34
35 @Override
36 public String getName() {
37 return NAME;
38 }
39
40
41 @Override
42 public void setup(
43 String identifier,
44 ArtifactFactory factory,
45 Object context,
46 CallMeta callMeta,
47 Document data)
48 {
49 logger.info("ExternalWMSArtifact.setup");
50
51 super.setup(identifier, factory, context, callMeta, data);
52
53 String ids = XMLUtils.xpathString(
54 data, XPATH_IDS, ArtifactNamespaceContext.INSTANCE);
55
56 if (ids != null && ids.length() > 0) {
57 addData("ids", new DefaultStateData("ids", null, null, ids));
58 }
59 else {
60 throw new IllegalArgumentException("No attribute 'ids' found!");
61 }
62
63 List<Facet> fs = new ArrayList<Facet>();
64
65 WMSBackgroundState s = (WMSBackgroundState) getCurrentState(context);
66 s.computeInit(this, hash(), context, callMeta, fs);
67
68 if (!fs.isEmpty()) {
69 facets.put(getCurrentStateId(), fs);
70 }
71 }
72
73
74 @Override
75 protected void initialize(
76 Artifact artifact,
77 Object context,
78 CallMeta callMeta)
79 {
80 // do nothing
81 }
82
83
84 @Override
85 public State getCurrentState(Object cc) {
86 State s = new ExternalWMSState(this);
87
88 List<Facet> fs = facets.get(getCurrentStateId());
89
90 DefaultOutput o = new DefaultOutput(
91 "floodmap",
92 "floodmap",
93 "image/png",
94 fs,
95 "map");
96
97 s.getOutputs().add(o);
98
99 return s;
100 }
101
102
103 /**
104 * Get a list containing the one and only State.
105 * @param context ignored.
106 * @return list with one and only state.
107 */
108 @Override
109 protected List<State> getStates(Object context) {
110 ArrayList<State> states = new ArrayList<State>();
111 states.add(getCurrentState(context));
112
113 return states;
114 }
115
116
117 public static class ExternalWMSState extends WMSBackgroundState {
118
119 protected ExternalWMSArtifact artifact;
120
121 protected String ids;
122
123
124 public ExternalWMSState(ExternalWMSArtifact artifact) {
125 super();
126 this.artifact = artifact;
127 }
128
129 protected String getIds() {
130 if (ids == null || ids.length() == 0) {
131 ids = artifact.getDataAsString("ids");
132 }
133
134 return ids;
135 }
136
137 @Override
138 protected String getFacetType() {
139 return FLOODMAP_EXTERNAL_WMS;
140 }
141
142 @Override
143 protected String getSrid() {
144 return "";
145 }
146
147 @Override
148 protected String getUrl() {
149 String ids = getIds();
150 String[] parts = ids.split(";");
151
152 return parts[0];
153 }
154
155 @Override
156 protected String getLayer() {
157 String ids = getIds();
158 String[] parts = ids.split(";");
159
160 return parts[1];
161 }
162
163 @Override
164 protected String getTitle(CallMeta meta) {
165 String ids = getIds();
166 String[] parts = ids.split(";");
167
168 return parts[2];
169 }
170 } // end of class ExternalWMSState
171 }
172 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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