dive4elements/river: flys-artifacts/src/main/java/de/intevation/flys/utils/MapfileGenerator.java comparison

comparison flys-artifacts/src/main/java/de/intevation/flys/utils/MapfileGenerator.java @ 1792:49ad801076e4

Enabled the MapGenerator to create WMS layers with database datastore - riveraxis is the first layer that is no longer fetched from static WMS service but from user specific one. flys-artifacts/trunk@3115 c6561f87-3c4e-4783-a992-168aeb5c3f6f

author	Ingo Weinzierl <ingo.weinzierl@intevation.de>
date	Fri, 28 Oct 2011 13:48:02 +0000
parents	ef2300b450bf
children	1636686070f7

comparison

equal deleted inserted replaced

-:e0e5a5b51a40
+:49ad801076e4
 import java.io.File;
 import java.io.FilenameFilter;
 import java.io.FileNotFoundException;
 import java.io.FileWriter;
 import java.io.IOException;
-import java.io.StringWriter;
 import java.io.Writer;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.List;
 import org.apache.velocity.app.VelocityEngine;
 import de.intevation.artifacts.common.utils.Config;
 import de.intevation.flys.artifacts.FLYSArtifact;
+import de.intevation.flys.artifacts.model.DBLayerInfo;
 import de.intevation.flys.artifacts.model.LayerInfo;
 import de.intevation.flys.artifacts.model.WMSLayerFacet;
+import de.intevation.flys.artifacts.model.WMSDBLayerFacet;
 /**
 * This class iterates over a bunch of directories, searches for meta
 * information coresponding to shapefiles and creates a mapfile which is used by
 * a <i>MapServer</i>.
 public static final String WSPLGEN_RESULT_SHAPE   = "wsplgen.shp";
 public static final String WSPLGEN_LINES_SHAPE    = "barrier_lines.shp";
 public static final String WSPLGEN_POLYGONS_SHAPE = "barrier_polygons.shp";
 public static final String SHP_LAYER_TEMPLATE = "shapefile_layer.vm";
+public static final String DB_LAYER_TEMPLATE  = "db_layer.vm";
 public static final String MS_WSPLGEN_POSTFIX  = "-wsplgen";
 public static final String MS_BARRIERS_POSTFIX = "-barriers";
 public static final String MS_LINE_POSTFIX     = "-lines";
 public static final String MS_POLYGONS_POSTFIX = "-polygons";
 engine.init();
 }
+protected VelocityContext getVelocityContext() {
+VelocityContext context = new VelocityContext();
+try {
+context.put("MAPSERVERURL",
+FLYSUtils.getXPathString(FLYSUtils.XPATH_MAPSERVER_URL));
+context.put("SHAPEFILEPATH",
+getShapefileBaseDir().getCanonicalPath());
+context.put("CONFIGDIR",
+Config.getConfigDirectory().getCanonicalPath());
+}
+catch (FileNotFoundException fnfe) {
+// this is bad
+}
+catch (IOException ioe) {
+// this is also bad
+}
+return context;
+}
 /**
 * Returns a template specified by <i>model</i>.
 *
 * @param model The name of the template.
 * @return a template.
 * @return the shapefile base directory.
 *
 * @throws FileNotFoundException if no shapefile path is found or
 * configured.
 */
-protected File getShapefileBaseDir()
+public File getShapefileBaseDir()
 throws    FileNotFoundException, IOException
 {
 if (shapefileDirectory == null) {
 String path = FLYSUtils.getXPathString(
 FLYSUtils.XPATH_SHAPEFILE_DIR);
 }
 }
 /**
+* Creates a layer file used for Mapserver's mapfile which represents
+* geometries from database.
+*
+* @param flys The FLYSArtifact that owns <i>wms</i>.
+* @param wms The WMSLayerFacet that contains information for the layer.
+*/
+public void createDatabaseLayer(FLYSArtifact flys, WMSDBLayerFacet wms)
+throws FileNotFoundException, IOException
+{
+logger.debug("createDatabaseLayer");
+LayerInfo layerinfo = new DBLayerInfo(
+flys.identifier() + "-" + wms.getName(),
+"LINE",
+wms.getFilter(),
+wms.getData(),
+wms.getDescription());
+String name = MS_LAYER_PREFIX + wms.getName();
+Template template = getTemplateByName(DB_LAYER_TEMPLATE);
+if (template == null) {
+logger.warn("Template '" + DB_LAYER_TEMPLATE + "' found.");
+return;
+}
+try {
+File dir = new File(getShapefileBaseDir(), flys.identifier());
+writeLayer(layerinfo, dir, name, template);
+}
+catch (FileNotFoundException fnfe) {
+logger.error(fnfe, fnfe);
+logger.warn("Unable to write layer: " + name);
+}
+}
+/**
 * Creates a layer snippet which might be included in the mapfile.
 *
 * @param layerinfo A LayerInfo object that contains all necessary
 * information to build a Mapserver LAYER section.
 * @param dir The base dir for the LAYER snippet.
 Writer writer = null;
 try {
 writer = new FileWriter(layer);
-VelocityContext context = new VelocityContext();
+VelocityContext context = getVelocityContext();
 context.put("LAYER", layerinfo);
 tpl.merge(context, writer);
 }
 catch (FileNotFoundException fnfe) {
 tmp = new File(mapfile.getParent(), tmpMapName);
 tmp.createNewFile();
 writer = new FileWriter(tmp);
-VelocityContext context = new VelocityContext();
+VelocityContext context = getVelocityContext();
-context.put("MAPSERVERURL",
-FLYSUtils.getXPathString(FLYSUtils.XPATH_MAPSERVER_URL));
-context.put("SHAPEFILEPATH",
-getShapefileBaseDir().getCanonicalPath());
-context.put("CONFIGDIR",
-Config.getConfigDirectory().getCanonicalPath());
 context.put("LAYERS", layers);
 Template mapTemplate = getMapfileTemplate();
 if (mapTemplate == null) {
 logger.warn("No mapfile template found.");

Mercurial > dive4elements > river

comparison flys-artifacts/src/main/java/de/intevation/flys/utils/MapfileGenerator.java @ 1792:49ad801076e4