Mercurial > dive4elements > river

comparison flys-artifacts/src/main/java/de/intevation/flys/utils/RiverMapfileGenerator.java @ 5379:61bf64b102bc mapgenfix

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Merge with default branch
author Christian Lins <christian.lins@intevation.de>
date Fri, 22 Mar 2013 11:25:54 +0100
parents b55975761708
children ae60bb7b8085
comparison
equal deleted inserted replaced
5175:cfc5540a4eec 5379:61bf64b102bc
1 package de.intevation.flys.utils;
2
3 import com.vividsolutions.jts.geom.Envelope;
4 import com.vividsolutions.jts.geom.MultiLineString;
5
6 import de.intevation.flys.artifacts.model.LayerInfo;
7 import de.intevation.flys.artifacts.model.RiverFactory;
8
9 import de.intevation.flys.model.River;
10 import de.intevation.flys.model.RiverAxis;
11
12 import java.io.File;
13 import java.io.FileNotFoundException;
14
15 import java.util.ArrayList;
16 import java.util.List;
17
18 import java.util.regex.Pattern;
19
20 import org.apache.log4j.Logger;
21
22 import org.apache.velocity.Template;
23 import org.hibernate.HibernateException;
24
25 public class RiverMapfileGenerator extends MapfileGenerator {
26
27 public static final String XPATH_RIVERMAP_RIVER_PROJECTION =
28 "/artifact-database/rivermap/river[@name=$name]/srid/@value";
29
30 public static final String XPATH_RIVERMAP_SHAPEFILE_DIR =
31 "/artifact-database/rivermap/shapefile-path/@value";
32
33 public static final String XPATH_RIVERMAP_VELOCITY_LOGFILE =
34 "/artifact-database/rivermap/velocity/logfile/@path";
35
36 public static final String XPATH_RIVERMAP_MAPSERVER_URL =
37 "/artifact-database/rivermap/mapserver/server/@path";
38
39 public static final String XPATH_RIVERMAP_MAPFILE_PATH =
40 "/artifact-database/rivermap/mapserver/mapfile/@path";
41
42 public static final String XPATH_RIVERMAP_MAPFILE_TEMPLATE =
43 "/artifact-database/rivermap/mapserver/map-template/@path";
44
45 public static final String XPATH_RIVERMAP_MAPSERVER_TEMPLATE_PATH =
46 "/artifact-database/rivermap/mapserver/templates/@path";
47
48 public static final Pattern DB_URL_PATTERN =
49 Pattern.compile("(.*)\\/\\/(.*):([0-9]+)\\/([a-zA-Z]+)");
50
51 public static final Pattern DB_PSQL_URL_PATTERN =
52 Pattern.compile("(.*)\\/\\/(.*):([0-9]+)\\/([a-zA-Z0-9]+)");
53
54 private static Logger logger = Logger.getLogger(RiverMapfileGenerator.class);
55
56 /**
57 * Generate river axis mapfile.
58 */
59 @Override
60 public void generate() {
61 logger.debug("generate()");
62
63 List<River> rivers = RiverFactory.getRivers();
64 List<String> riverFiles = new ArrayList<String>();
65
66 for (River river : rivers) {
67 // We expect that every river has only one RiverAxis.
68 // This is not correct but currently the case here, see
69 // RiverAxis.java.
70 List<RiverAxis> riverAxis = null;
71 try {
72 riverAxis = RiverAxis.getRiverAxis(river.getName());
73 }
74 catch (HibernateException iae) {
75 logger.error("No valid riveraxis found for " + river.getName());
76 continue;
77 }
78
79 if (riverAxis == null) {
80 logger.warn("River " + river.getName() + " has no river axis!");
81 continue;
82 }
83 if (riverAxis.get(0).getGeom() == null) {
84 logger.warn("River " + river.getName() +
85 " has no riveraxis geometry!");
86 continue;
87 }
88 MultiLineString geom = riverAxis.get(0).getGeom();
89 Envelope extent = geom.getEnvelopeInternal();
90
91 createRiverAxisLayer(
92 river.getName(),
93 river.getId(),
94 Integer.toString(geom.getSRID()),
95 extent.getMinX() + " " +
96 extent.getMinY() + " " +
97 extent.getMaxX() + " " +
98 extent.getMaxY());
99
100 riverFiles.add("river-" + river.getName() + ".map");
101 }
102 writeMapfile(riverFiles);
103 }
104
105 protected void createRiverAxisLayer(String riverName, int riverID, String srid, String extend) {
106 LayerInfo layerInfo = new LayerInfo();
107 layerInfo.setName(riverName);
108 layerInfo.setConnection(MapUtils.getConnection());
109 layerInfo.setConnectionType(MapUtils.getConnectionType());
110 layerInfo.setSrid(srid);
111 layerInfo.setExtent(extend);
112 layerInfo.setType("line");
113 // FIXME: Use templates for that
114 if (FLYSUtils.isUsingOracle()) {
115 layerInfo.setData("geom FROM river_axes USING SRID " + srid);
116 } else {
117 layerInfo.setData("geom FROM river_axes");
118 }
119 layerInfo.setFilter("river_id = " + riverID);
120 layerInfo.setTitle(riverName + " RiverAxis");
121
122 File layerFile = new File("river-" + riverName + ".map");
123 Template template = getTemplateByName("riveraxis-layer.vm");
124 if (template == null) {
125 logger.warn("Template riveraxis-layer.vm not found.");
126 return;
127 }
128
129 try {
130 writeLayer(layerInfo, layerFile, template);
131 }
132 catch (FileNotFoundException e) {
133 logger.warn(e.getLocalizedMessage(), e);
134 }
135 }
136
137 @Override
138 protected String getVelocityLogfile() {
139 return FLYSUtils.getXPathString(XPATH_RIVERMAP_VELOCITY_LOGFILE);
140 }
141
142 @Override
143 protected String getMapserverTemplatePath() {
144 return FLYSUtils.getXPathString(XPATH_RIVERMAP_MAPSERVER_TEMPLATE_PATH);
145 }
146
147 @Override
148 public String getMapserverUrl() {
149 return FLYSUtils.getXPathString(XPATH_RIVERMAP_MAPSERVER_URL);
150 }
151
152 @Override
153 protected String getMapfilePath() {
154 return FLYSUtils.getXPathString(XPATH_RIVERMAP_MAPFILE_PATH);
155 }
156
157 @Override
158 protected String getMapfileTemplate() {
159 return FLYSUtils.getXPathString(XPATH_RIVERMAP_MAPFILE_TEMPLATE);
160 }
161 }
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