dive4elements/gnv-client: gnv-artifacts/src/main/java/de/intevation/gnv/artifacts/context/GNVArtifactContextFactory.java comparison

comparison gnv-artifacts/src/main/java/de/intevation/gnv/artifacts/context/GNVArtifactContextFactory.java @ 444:85f48e287fb3

Added configuration for vertical cross sections ("Profilschnitte") gnv-artifacts/trunk@492 c6561f87-3c4e-4783-a992-168aeb5c3f6f

author	Sascha L. Teichmann <sascha.teichmann@intevation.de>
date	Wed, 30 Dec 2009 10:35:19 +0000
parents	da21c256a0ba
children	07672838fa5f

comparison

equal deleted inserted replaced

-:da21c256a0ba
+:85f48e287fb3
 import java.io.File;
 import java.util.Properties;
 import java.util.HashMap;
 import java.util.ArrayList;
+import java.util.Collections;
+import java.awt.Dimension;
 import org.apache.log4j.Logger;
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
 import de.intevation.gnv.chart.XMLChartTheme;
 import de.intevation.gnv.artifacts.cache.CacheFactory;
 import de.intevation.gnv.raster.Palette;
+import de.intevation.gnv.raster.Filter;
 import de.intevation.gnv.raster.PaletteManager;
 import de.intevation.artifacts.ArtifactContextFactory;
 import de.intevation.artifactdatabase.Config;
 public final static String PALETTE_ITEMS =
 "palette";
 public final static String HORIZONTAL_CROSS_SECTION_PROFILE_SAMPLES =
 "/artifact-database/gnv/horizontal-cross-section-profile/samples/@number";
+public final static String VERTICAL_CROSS_SECTION_SAMPLES =
+"/artifact-database/gnv/vertical-cross-section/samples";
+public final static String VERTICAL_CROSS_SECTION_FILTERS =
+"/artifact-database/gnv/vertical-cross-section/filters/filter";
 /**
 * Constructor
 */
 public GNVArtifactContextFactory() {
 configureChartTemplate(config, returnValue);
 configureHorizontalCrossSectionProfile(config, returnValue);
+configureVerticalCrossSection(config, returnValue);
 } catch (FileNotFoundException e) {
 log.error(e, e);
 } catch (IOException e) {
 log.error(e, e);
 } catch (QueryContainerException e) {
 log.error(e, e);
 }
 return returnValue;
+}
+protected void configureVerticalCrossSection(
+Document           config,
+GNVArtifactContext context
+) {
+log.info("configuration of vertical cross section");
+configureVerticalCrossSectionSamples(config, context);
+configureVerticalCrossSectionFilters(config, context);
+}
+protected void configureVerticalCrossSectionFilters(
+Document           config,
+GNVArtifactContext context
+) {
+log.info("configuration of vertical cross section filters");
+NodeList filters = Config.getNodeSetXPath(
+VERTICAL_CROSS_SECTION_FILTERS);
+ArrayList<Filter.Factory> filterFactories =
+new ArrayList<Filter.Factory>();
+if (filters == null) {
+log.warn("no filters found");
+}
+else {
+for (int i = 0, N = filters.getLength(); i < N; ++i) {
+Element filterElement = (Element)filters.item(i);
+String factoryName = filterElement.getAttribute("factory");
+if ((factoryName = factoryName.trim()).length() > 0) {
+try {
+Class clazz = Class.forName(factoryName);
+Filter.Factory filterFactory =
+(Filter.Factory)clazz.newInstance();
+filterFactories.add(filterFactory);
+}
+catch (ClassNotFoundException cnfe) {
+log.error("filter class not found", cnfe);
+}
+catch (InstantiationException ie) {
+log.error("cannot instantiate filter factory", ie);
+}
+catch (IllegalAccessException iae) {
+log.error("cannot access filter factory", iae);
+}
+catch (ClassCastException cce) {
+log.error("not a filter factory class", cce);
+}
+}
+else {
+log.error("No factory name given");
+}
+}
+}
+log.info("number of filters: " + filterFactories.size());
+context.put(
+GNVArtifactContext.VERTICAL_CROSS_SECTION_FILTER_FACTORIES_KEY,
+Collections.unmodifiableList(filterFactories));
+}
+protected void configureVerticalCrossSectionSamples(
+Document           config,
+GNVArtifactContext context
+) {
+log.info("configuration of vertical cross section samples");
+Element samples = (Element)Config.getNodeXPath(
+VERTICAL_CROSS_SECTION_SAMPLES);
+Dimension sampleSize = new Dimension(
+GNVArtifactContext.DEFAULT_VERTICAL_CROSS_SECTION_SAMPLES);
+if (samples == null) {
+log.warn("no samples found");
+}
+else {
+String widthString = samples.getAttribute("width");
+if ((widthString = widthString.trim()).length() > 0) {
+try {
+sampleSize.width = Math.max(1, Integer.parseInt(widthString));
+}
+catch (NumberFormatException nfe) {
+log.error("invalid value for width: '" + widthString + "'");
+}
+}
+String heightString = samples.getAttribute("height");
+if ((heightString = heightString.trim()).length() > 0) {
+try {
+sampleSize.height = Math.max(1, Integer.parseInt(heightString));
+}
+catch (NumberFormatException nfe) {
+log.error("invalid value for height: '" + heightString + "'");
+}
+}
+}
+log.info("samples (width x height): " +
+sampleSize.width + " x " + sampleSize.height);
+context.put(
+GNVArtifactContext.VERTICAL_CROSS_SECTION_SAMPLES_KEY,
+sampleSize);
 }
 protected void configureHorizontalCrossSectionProfile(
 Document           config,
 GNVArtifactContext context

Mercurial > dive4elements > gnv-client

comparison gnv-artifacts/src/main/java/de/intevation/gnv/artifacts/context/GNVArtifactContextFactory.java @ 444:85f48e287fb3