Mercurial > dive4elements > river

comparison artifacts/src/main/java/org/dive4elements/river/artifacts/states/DGMSelect.java @ 5838:5aa05a7a34b7

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Rename modules to more fitting names.
author Sascha L. Teichmann <teichmann@intevation.de>
date Thu, 25 Apr 2013 15:23:37 +0200
parents flys-artifacts/src/main/java/org/dive4elements/river/artifacts/states/DGMSelect.java@bd047b71ab37
children 4897a58c8746
comparison
equal deleted inserted replaced
5837:d9901a08d0a6 5838:5aa05a7a34b7
1 package org.dive4elements.river.artifacts.states;
2
3 import java.io.File;
4
5 import org.w3c.dom.Element;
6
7 import org.apache.log4j.Logger;
8
9 import org.dive4elements.artifacts.Artifact;
10 import org.dive4elements.artifacts.CallContext;
11
12 import org.dive4elements.artifacts.common.utils.XMLUtils.ElementCreator;
13
14 import org.dive4elements.river.model.DGM;
15 import org.dive4elements.river.model.River;
16
17 import org.dive4elements.river.artifacts.FLYSArtifact;
18 import org.dive4elements.river.utils.FLYSUtils;
19
20
21 /**
22 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
23 */
24 public class DGMSelect extends DefaultState {
25
26 private static final Logger logger = Logger.getLogger(DGMSelect.class);
27
28 public static final String ERR_EMPTY = "error_no_dgm_selected";
29 public static final String ERR_INVALID_DGM = "error_invalid_dgm_selected";
30 public static final String ERR_BAD_DGM_RANGE = "error_bad_dgm_range";
31 public static final String ERR_BAD_DGM_RIVER = "error_bad_dgm_river";
32
33
34 @Override
35 protected String getUIProvider() {
36 return "dgm_datacage_panel";
37 }
38
39
40 @Override
41 protected Element createStaticData(
42 FLYSArtifact flys,
43 ElementCreator creator,
44 CallContext cc,
45 String name,
46 String value,
47 String type
48 ) {
49 Element dataElement = creator.create("data");
50 creator.addAttr(dataElement, "name", name, true);
51 creator.addAttr(dataElement, "type", type, true);
52
53 Element itemElement = creator.create("item");
54 creator.addAttr(itemElement, "value", value, true);
55
56 creator.addAttr(itemElement, "label", getLabel(cc, value), true);
57 dataElement.appendChild(itemElement);
58
59 return dataElement;
60 }
61
62
63 public static String getLabel(CallContext cc, String value) {
64 logger.debug("Create label for value: " + value);
65
66 try {
67 DGM dgm = DGM.getDGM(Integer.parseInt(value));
68
69 File file = new File(dgm.getPath());
70 return file.getName();
71 }
72 catch (NumberFormatException nfe) {
73 logger.warn("Cannot parse int value: '" + value + "'");
74 }
75
76 return "";
77 }
78
79
80 @Override
81 public boolean validate(Artifact artifact)
82 throws IllegalArgumentException
83 {
84 FLYSArtifact flys = (FLYSArtifact) artifact;
85
86 DGM dgm = getDGM(flys);
87
88 if (dgm == null) {
89 throw new IllegalArgumentException(ERR_INVALID_DGM);
90 }
91
92 double l = dgm.getRange().getA().doubleValue();
93 double u = dgm.getRange().getB().doubleValue();
94
95 double[] range = FLYSUtils.getKmFromTo(flys);
96
97 if (range[0] < l || range[0] > u || range[1] < l || range[1] > u) {
98 throw new IllegalArgumentException(ERR_BAD_DGM_RANGE);
99 }
100
101 River selectedRiver = FLYSUtils.getRiver(flys);
102 River dgmRiver = dgm.getRiver();
103
104 if (selectedRiver != dgmRiver) {
105 throw new IllegalArgumentException(ERR_BAD_DGM_RIVER);
106 }
107
108 return true;
109 }
110
111
112 /**
113 * Returns the DGM specified in the parameters of <i>flys</i>.
114 *
115 * @param flys The FLYSArtifact that knows the ID of a DGM.
116 *
117 * @throws IllegalArgumentException If the FLYSArtifact doesn't know the ID
118 * of a DGM.
119 *
120 * @return the DGM specified by FLYSArtifact's parameters.
121 */
122 public static DGM getDGM(FLYSArtifact flys)
123 throws IllegalArgumentException
124 {
125 try {
126 Integer dgmId = flys.getDataAsInteger("dgm");
127 if (dgmId == null) {
128 throw new IllegalArgumentException(ERR_EMPTY);
129 }
130
131 logger.debug("Found selected dgm: '" + dgmId + "'");
132
133 return DGM.getDGM(dgmId);
134 }
135 catch (NumberFormatException nfe) {
136 throw new IllegalArgumentException(ERR_INVALID_DGM);
137 }
138 }
139 }
140 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
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