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comparison flys-artifacts/src/main/java/de/intevation/flys/utils/MapfileGenerator.java @ 2639:a78dafdd8590

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Issue 657. Added file upload service to load a user defined shapefile. User the shapefile for wsplgen calculation and display a new layer. flys-artifacts/trunk@4292 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Raimund Renkert <raimund.renkert@intevation.de>
date Wed, 25 Apr 2012 07:45:00 +0000
parents ccad7a6ddaa4
children 7a124cb11d8e
comparison
equal deleted inserted replaced
2638:ccad7a6ddaa4 2639:a78dafdd8590
10 import java.util.ArrayList; 10 import java.util.ArrayList;
11 import java.util.Date; 11 import java.util.Date;
12 import java.util.List; 12 import java.util.List;
13 13
14 import org.apache.log4j.Logger; 14 import org.apache.log4j.Logger;
15
16 import org.geotools.data.shapefile.ShpFiles;
17 import org.geotools.data.shapefile.shp.ShapefileReader;
18 import org.geotools.data.shapefile.shp.ShapefileHeader;
15 19
16 import org.apache.velocity.Template; 20 import org.apache.velocity.Template;
17 import org.apache.velocity.VelocityContext; 21 import org.apache.velocity.VelocityContext;
18 import org.apache.velocity.app.VelocityEngine; 22 import org.apache.velocity.app.VelocityEngine;
19 23
38 extends Thread 42 extends Thread
39 { 43 {
40 public static final String WSPLGEN_RESULT_SHAPE = "wsplgen.shp"; 44 public static final String WSPLGEN_RESULT_SHAPE = "wsplgen.shp";
41 public static final String WSPLGEN_LINES_SHAPE = "barrier_lines.shp"; 45 public static final String WSPLGEN_LINES_SHAPE = "barrier_lines.shp";
42 public static final String WSPLGEN_POLYGONS_SHAPE = "barrier_polygons.shp"; 46 public static final String WSPLGEN_POLYGONS_SHAPE = "barrier_polygons.shp";
47 public static final String WSPLGEN_USER_SHAPE = "user-rgd.shp";
43 48
44 public static final String WSPLGEN_LAYER_TEMPLATE = "wsplgen_layer.vm"; 49 public static final String WSPLGEN_LAYER_TEMPLATE = "wsplgen_layer.vm";
45 public static final String SHP_LAYER_TEMPLATE = "shapefile_layer.vm"; 50 public static final String SHP_LAYER_TEMPLATE = "shapefile_layer.vm";
46 public static final String DB_LAYER_TEMPLATE = "db_layer.vm"; 51 public static final String DB_LAYER_TEMPLATE = "db_layer.vm";
47 52
48 public static final String MS_WSPLGEN_PREFIX = "wsplgen-"; 53 public static final String MS_WSPLGEN_PREFIX = "wsplgen-";
49 public static final String MS_BARRIERS_PREFIX = "barriers-"; 54 public static final String MS_BARRIERS_PREFIX = "barriers-";
50 public static final String MS_LINE_PREFIX = "lines-"; 55 public static final String MS_LINE_PREFIX = "lines-";
51 public static final String MS_POLYGONS_PREFIX = "polygons-"; 56 public static final String MS_POLYGONS_PREFIX = "polygons-";
52 public static final String MS_LAYER_PREFIX = "ms_layer-"; 57 public static final String MS_LAYER_PREFIX = "ms_layer-";
58 public static final String MS_USERSHAPE_PREFIX = "user-";
53 59
54 protected static final long SLEEPTIME = 10 * 1000L; // 10 seconds 60 protected static final long SLEEPTIME = 10 * 1000L; // 10 seconds
55 61
56 private static Logger logger = Logger.getLogger(MapfileGenerator.class); 62 private static Logger logger = Logger.getLogger(MapfileGenerator.class);
57 63
511 } 517 }
512 catch (FileNotFoundException fnfe) { 518 catch (FileNotFoundException fnfe) {
513 logger.error(fnfe, fnfe); 519 logger.error(fnfe, fnfe);
514 logger.warn("Unable to write layer: " + namePolygons); 520 logger.warn("Unable to write layer: " + namePolygons);
515 } 521 }
522 }
523
524
525 /**
526 * Creates a layer file used for Mapserver's mapfile which represents the
527 * shape files uploaded by the user.
528 *
529 * @param flys The FLYSArtifact that owns <i>wms</i>.
530 * @param wms The WMSLayerFacet that contains information for the layer.
531 */
532 public void createUserShapeLayer(FLYSArtifact flys, WMSLayerFacet wms)
533 throws FileNotFoundException, IOException
534 {
535 logger.debug("createUserShapeLayer");
536
537 String uuid = flys.identifier();
538 File dir = new File(getShapefileBaseDir(), uuid);
539 File test = new File(dir, WSPLGEN_USER_SHAPE);
540
541 if (!test.exists() || !test.canRead()) {
542 logger.debug("No user layer existing.");
543 return;
544 }
545
546 File userShape = new File(dir, WSPLGEN_USER_SHAPE);
547 ShpFiles sf = new ShpFiles(userShape);
548 ShapefileReader sfr = new ShapefileReader(sf, true, false, null);
549 ShapefileHeader sfh = sfr.getHeader();
550
551 String group = uuid + MS_USERSHAPE_PREFIX;
552 String groupTitle = "I18N_USER_SHAPE_TITLE";
553
554 LayerInfo info = new LayerInfo();
555 info.setName(MS_USERSHAPE_PREFIX + uuid);
556 if (sfh.getShapeType().isLineType()) {
557 info.setType("LINE");
558 }
559 else if (sfh.getShapeType().isPolygonType()) {
560 info.setType("POLYGON");
561 }
562 else {
563 return;
564 }
565 info.setDirectory(uuid);
566 info.setData(WSPLGEN_USER_SHAPE);
567 info.setTitle("I18N_USER_SHAPE");
568 info.setGroup(group);
569 info.setGroupTitle(groupTitle);
570
571 String nameUser = MS_LAYER_PREFIX + wms.getName();
572
573 Template tpl = getTemplateByName(SHP_LAYER_TEMPLATE);
574 if (tpl == null) {
575 logger.warn("Template '" + SHP_LAYER_TEMPLATE + "' found.");
576 return;
577 }
578
579 try {
580 writeLayer(info, dir, nameUser, tpl);
581 }
582 catch (FileNotFoundException fnfe) {
583 logger.error(fnfe, fnfe);
584 logger.warn("Unable to write layer: " + nameUser);
585 }
586
516 } 587 }
517 588
518 589
519 /** 590 /**
520 * Creates a layer file used for Mapserver's mapfile which represents 591 * Creates a layer file used for Mapserver's mapfile which represents
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