teichmann@5863: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
teichmann@5863:  * Software engineering by Intevation GmbH
teichmann@5863:  *
teichmann@5994:  * This file is Free Software under the GNU AGPL (>=v3)
teichmann@5863:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
teichmann@5994:  * documentation coming with Dive4Elements River for details.
teichmann@5863:  */
teichmann@5863: 
teichmann@5831: package org.dive4elements.river.artifacts.context;
ingo@106: 
teichmann@7099: import java.io.File;
christian@4656: 
ingo@106: import java.util.ArrayList;
ingo@295: import java.util.HashMap;
ingo@106: import java.util.List;
ingo@295: import java.util.Map;
ingo@106: 
ingo@106: import javax.xml.xpath.XPathConstants;
ingo@106: 
ingo@106: import org.apache.log4j.Logger;
teichmann@7099: 
teichmann@7099: import org.dive4elements.artifactdatabase.state.State;
teichmann@7099: import org.dive4elements.artifactdatabase.state.StateEngine;
teichmann@7099: 
teichmann@7099: import org.dive4elements.artifactdatabase.transition.Transition;
teichmann@7099: import org.dive4elements.artifactdatabase.transition.TransitionEngine;
teichmann@7099: 
teichmann@7099: import org.dive4elements.artifacts.ArtifactContextFactory;
teichmann@7099: import org.dive4elements.artifacts.GlobalContext;
teichmann@7099: 
teichmann@7099: import org.dive4elements.artifacts.common.utils.Config;
teichmann@7099: import org.dive4elements.artifacts.common.utils.ElementConverter;
teichmann@7099: import org.dive4elements.artifacts.common.utils.XMLUtils;
teichmann@7099: 
teichmann@7099: import org.dive4elements.river.artifacts.model.Module;
rrenkert@7756: import org.dive4elements.river.artifacts.model.RiverFactory;
teichmann@7099: import org.dive4elements.river.artifacts.model.ZoomScale;
teichmann@7099: 
teichmann@7099: import org.dive4elements.river.artifacts.states.StateFactory;
teichmann@7099: 
teichmann@7099: import org.dive4elements.river.artifacts.transitions.TransitionFactory;
teichmann@7099: 
teichmann@7226: import org.dive4elements.river.exports.GeneratorLookup;
teichmann@7099: import org.dive4elements.river.exports.OutGenerator;
teichmann@7099: 
rrenkert@7756: import org.dive4elements.river.model.River;
teichmann@7099: import org.dive4elements.river.themes.Theme;
teichmann@7099: import org.dive4elements.river.themes.ThemeFactory;
teichmann@7099: import org.dive4elements.river.themes.ThemeGroup;
teichmann@7099: import org.dive4elements.river.themes.ThemeMapping;
teichmann@7099: 
ingo@106: import org.w3c.dom.Document;
ingo@106: import org.w3c.dom.Element;
ingo@295: import org.w3c.dom.Node;
ingo@106: import org.w3c.dom.NodeList;
ingo@106: 
ingo@106: /**
ingo@106:  * The ArtifactContextFactory is used to initialize basic components and put
ingo@106:  * them into the global context of the application.
ingo@106:  *
ingo@106:  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
ingo@106:  */
teichmann@5866: public class RiverContextFactory implements ArtifactContextFactory {
ingo@106: 
felix@1826:     /** The logger that is used in this class. */
teichmann@5866:     private static Logger logger = Logger.getLogger(RiverContextFactory.class);
ingo@106: 
ingo@106:     /** The XPath to the artifacts configured in the configuration. */
ingo@106:     public static final String XPATH_ARTIFACTS =
ingo@106:         "/artifact-database/artifacts/artifact";
ingo@106: 
ingo@106:     /** The XPath to the name of the artifact. */
ingo@107:     public static final String XPATH_ARTIFACT_NAME = "/artifact/@name";
ingo@106: 
ingo@106:     /** The XPath to the xlink ref in an artifact configuration. */
ingo@106:     public static final String XPATH_XLINK = "xlink:href";
ingo@106: 
ingo@106:     /** The XPath to the transitions configured in the artifact config. */
ingo@106:     public static final String XPATH_TRANSITIONS =
ingo@106:         "/artifact/states/transition";
ingo@106: 
ingo@107:     /** The XPath to the states configured in the artifact config. */
ingo@107:     public static final String XPATH_STATES =
ingo@107:         "/artifact/states/state";
ingo@107: 
ingo@295:     public static final String XPATH_OUTPUT_GENERATORS =
ingo@295:         "/artifact-database/output-generators/output-generator";
ingo@295: 
ingo@341:     public static final String XPATH_THEME_CONFIG =
ingo@341:         "/artifact-database/flys/themes/configuration/text()";
ingo@341: 
ingo@341:     public static final String XPATH_THEMES =
raimund@2737:         "theme";
raimund@2737: 
raimund@2737:     public static final String XPATH_THEME_GROUPS =
raimund@2737:         "/themes/themegroup";
ingo@341: 
ingo@345:     public static final String XPATH_THEME_MAPPINGS =
ingo@345:         "/themes/mappings/mapping";
ingo@345: 
ingo@958:     public static final String XPATH_RIVER_WMS =
ingo@1062:         "/artifact-database/floodmap/river";
ingo@958: 
bjoern@3630:     public static final String XPATH_MODULES = "/artifact-database/modules/module";
bjoern@3630: 
rrenkert@4619:     private static final String XPATH_ZOOM_SCALES = "/artifact-database/options/zoom-scales/zoom-scale";
rrenkert@4619: 
rrenkert@5152:     private static final String XPATH_DGM_PATH = "/artifact-database/options/dgm-path/text()";
rrenkert@5152: 
teichmann@6933:     private static GlobalContext GLOBAL_CONTEXT_INSTANCE;
teichmann@6933: 
rrenkert@5152: 
ingo@106:     /**
teichmann@5867:      * Creates a new D4EArtifactContext object and initialize all
ingo@106:      * components required by the application.
ingo@106:      *
ingo@106:      * @param config The artifact server configuration.
teichmann@5867:      * @return a D4EArtifactContext.
ingo@106:      */
christian@4656:     @Override
ingo@939:     public GlobalContext createArtifactContext(Document config) {
teichmann@5866:         RiverContext context = new RiverContext(config);
ingo@106: 
ingo@106:         configureTransitions(config, context);
ingo@107:         configureStates(config, context);
ingo@295:         configureOutGenerators(config, context);
ingo@341:         configureThemes(config, context);
ingo@345:         configureThemesMappings(config, context);
christian@4656:         configureFloodmapWMS(config, context);
bjoern@3630:         configureModules(config, context);
rrenkert@4619:         configureZoomScales(config, context);
rrenkert@5152:         configureDGMPath(config, context);
ingo@106: 
teichmann@6933:         synchronized (RiverContextFactory.class) {
teichmann@6933:             GLOBAL_CONTEXT_INSTANCE = context;
teichmann@6933:         }
teichmann@6933: 
ingo@106:         return context;
ingo@106:     }
ingo@106: 
teichmann@6933:     public static synchronized GlobalContext getGlobalContext() {
teichmann@6933:         return GLOBAL_CONTEXT_INSTANCE;
teichmann@6933:     }
teichmann@6933: 
ingo@106: 
teichmann@5866:     private void configureDGMPath(Document config, RiverContext context) {
rrenkert@5152:         String dgmPath = (String) XMLUtils.xpath(
rrenkert@5152:             config,
rrenkert@5152:             XPATH_DGM_PATH,
rrenkert@5152:             XPathConstants.STRING);
rrenkert@5152: 
rrenkert@5152:         context.put("dgm-path", dgmPath);
rrenkert@5152:     }
rrenkert@5152: 
rrenkert@5152: 
teichmann@5866:     protected void configureZoomScales(Document config, RiverContext context) {
rrenkert@4619:         NodeList list = (NodeList)XMLUtils.xpath(
rrenkert@4619:             config,
rrenkert@4619:             XPATH_ZOOM_SCALES,
rrenkert@4619:             XPathConstants.NODESET);
rrenkert@4619:         ZoomScale scale = new ZoomScale();
rrenkert@4619:         for (int i = 0; i < list.getLength(); i++) {
rrenkert@4619:             Element element = (Element)list.item(i);
rrenkert@4619:             String river = "default";
rrenkert@4619:             double range = 0d;
rrenkert@4619:             double radius = 10d;
rrenkert@4619:             if (element.hasAttribute("river")) {
rrenkert@4619:                 river = element.getAttribute("river");
rrenkert@4619:             }
rrenkert@4619:             if (!element.hasAttribute("range")) {
rrenkert@4619:                 continue;
rrenkert@4619:             }
rrenkert@4619:             else {
rrenkert@4619:                 String r = element.getAttribute("range");
rrenkert@4619:                 try {
rrenkert@4619:                     range = Double.parseDouble(r);
rrenkert@4619:                 }
rrenkert@4619:                 catch (NumberFormatException nfe) {
rrenkert@4619:                     continue;
rrenkert@4619:                 }
rrenkert@4619:             }
rrenkert@4619:             if (!element.hasAttribute("radius")) {
rrenkert@4619:                 continue;
rrenkert@4619:             }
rrenkert@4619:             else {
rrenkert@4619:                 String r = element.getAttribute("radius");
rrenkert@4619:                 try {
rrenkert@4619:                     radius = Double.parseDouble(r);
rrenkert@4619:                 }
rrenkert@4619:                 catch (NumberFormatException nfe) {
rrenkert@4619:                     continue;
rrenkert@4619:                 }
rrenkert@4619:             }
rrenkert@4619:             scale.addRange(river, range, radius);
rrenkert@4619:        }
rrenkert@4619:        context.put("zoomscale", scale);
rrenkert@4619:     }
rrenkert@4619: 
rrenkert@4619: 
ingo@106:     /**
ingo@106:      * This method initializes the transition configuration.
ingo@106:      *
ingo@106:      * @param config the config document.
teichmann@5866:      * @param context the RiverContext.
ingo@106:      */
teichmann@5866:     protected void configureTransitions(Document config, RiverContext context) {
ingo@106:         TransitionEngine engine = new TransitionEngine();
ingo@106: 
teichmann@8086:         List<Document> artifacts = getArtifactConfigurations(config);
teichmann@8086:         logger.info("Found " + artifacts.size() + " artifacts in the config.");
ingo@106: 
ingo@106:         for (Document doc: artifacts) {
ingo@106: 
ingo@106:             String artName = (String) XMLUtils.xpath(
ingo@106:                 doc, XPATH_ARTIFACT_NAME, XPathConstants.STRING);
ingo@106: 
ingo@111:             NodeList list = (NodeList) XMLUtils.xpath(
ingo@106:                 doc, XPATH_TRANSITIONS, XPathConstants.NODESET);
ingo@106: 
ingo@111:             if (list == null) {
felix@2141:                 logger.warn("The artifact " + artName +
felix@2141:                     " has no transitions configured.");
ingo@107:                 continue;
ingo@106:             }
ingo@106: 
ingo@111:             int trans = list.getLength();
ingo@106: 
ingo@106:             logger.info(
ingo@106:                 "Artifact '" + artName + "' has " + trans + " transitions.");
ingo@106: 
ingo@106:             for (int i = 0; i < trans; i++) {
ingo@111:                 Transition t = TransitionFactory.createTransition(list.item(i));
ingo@111:                 String     s = t.getFrom();
ingo@111:                 engine.addTransition(s, t);
ingo@106:             }
ingo@106:         }
ingo@106: 
teichmann@5866:         context.put(RiverContext.TRANSITION_ENGINE_KEY, engine);
ingo@106:     }
ingo@106: 
ingo@106: 
ingo@106:     /**
ingo@106:      * This method returns all artifact documents defined in
ingo@106:      * <code>config</code>. <br>NOTE: The artifact configurations need to be
ingo@106:      * stored in own files referenced by an xlink.
ingo@106:      *
ingo@106:      * @param config The global configuration.
ingo@106:      *
ingo@106:      * @return an array of Artifact configurations.
ingo@106:      */
teichmann@8086:     protected List<Document> getArtifactConfigurations(Document config) {
ingo@106:         NodeList artifacts = (NodeList) XMLUtils.xpath(
ingo@106:             config, XPATH_ARTIFACTS, XPathConstants.NODESET);
ingo@106: 
ingo@106:         int count = artifacts.getLength();
ingo@106: 
teichmann@8086:         ArrayList<Document> docs = new ArrayList<Document>(count);
ingo@106: 
ingo@106:         for (int i = 0; i < count; i++) {
ingo@106:             Element tmp = (Element) artifacts.item(i);
ingo@106: 
ingo@106:             String xlink = tmp.getAttribute(XPATH_XLINK);
ingo@106:             xlink        = Config.replaceConfigDir(xlink);
ingo@106: 
teichmann@8086:             File file = new File(xlink);
teichmann@8086:             if (!file.isFile() || !file.canRead()) {
teichmann@8086:                 logger.warn("Artifact configuration '" + file + "' not found.");
teichmann@8086:                 continue;
teichmann@8086:             }
teichmann@8086: 
teichmann@8086:             Document doc = XMLUtils.parseDocument(file);
teichmann@8086:             if (doc != null) {
teichmann@8086:                 docs.add(doc);
teichmann@8086:             }
ingo@106:         }
teichmann@8086:         return docs;
ingo@106:     }
ingo@107: 
ingo@107: 
ingo@107:     /**
ingo@107:      * This method initializes the transition configuration.
ingo@107:      *
ingo@107:      * @param config the config document.
teichmann@5866:      * @param context the RiverContext.
ingo@107:      */
teichmann@5866:     protected void configureStates(Document config, RiverContext context) {
ingo@107:         StateEngine engine = new StateEngine();
ingo@107: 
teichmann@8086:         List<Document> artifacts = getArtifactConfigurations(config);
teichmann@8086:         logger.info("Found " + artifacts.size() + " artifacts in the config.");
ingo@107: 
ingo@107:         for (Document doc: artifacts) {
ingo@107:             List<State> states = new ArrayList<State>();
ingo@107: 
ingo@107:             String artName = (String) XMLUtils.xpath(
ingo@107:                 doc, XPATH_ARTIFACT_NAME, XPathConstants.STRING);
ingo@107: 
ingo@107:             NodeList stateList = (NodeList) XMLUtils.xpath(
ingo@107:                 doc, XPATH_STATES, XPathConstants.NODESET);
ingo@107: 
ingo@107:             if (stateList == null) {
felix@2141:                 logger.warn("The artifact " + artName +
felix@2141:                     " has no states configured.");
ingo@107:                 continue;
ingo@107:             }
ingo@107: 
ingo@107:             int count = stateList.getLength();
ingo@107: 
ingo@107:             logger.info(
ingo@107:                 "Artifact '" + artName + "' has " + count + " states.");
ingo@107: 
ingo@107:             for (int i = 0; i < count; i++) {
ingo@107:                 states.add(StateFactory.createState(
ingo@107:                     stateList.item(i)));
ingo@107:             }
ingo@107: 
ingo@107:             engine.addStates(artName, states);
ingo@107:         }
ingo@107: 
teichmann@5866:         context.put(RiverContext.STATE_ENGINE_KEY, engine);
ingo@107:     }
ingo@295: 
ingo@295: 
ingo@295:     /**
ingo@295:      * This method intializes the provided output generators.
ingo@295:      *
ingo@295:      * @param config the config document.
teichmann@5866:      * @param context the RiverContext.
ingo@295:      */
teichmann@5866:     protected void configureOutGenerators(Document config, RiverContext context){
ingo@295: 
ingo@295:         NodeList outGenerators = (NodeList) XMLUtils.xpath(
ingo@295:             config,
ingo@295:             XPATH_OUTPUT_GENERATORS,
ingo@295:             XPathConstants.NODESET);
ingo@295: 
ingo@295:         int num = outGenerators == null ? 0 : outGenerators.getLength();
ingo@295: 
ingo@295:         if (num == 0) {
ingo@295:             logger.warn("No output generators configured in this application.");
ingo@295:             return;
ingo@295:         }
ingo@295: 
ingo@295:         logger.info("Found " + num + " configured output generators.");
ingo@295: 
teichmann@7226:         GeneratorLookup generators = new GeneratorLookup();
teichmann@7037: 
ingo@295:         int idx = 0;
ingo@295: 
ingo@295:         for (int i = 0; i < num; i++) {
teichmann@7037:             Element item = (Element)outGenerators.item(i);
ingo@295: 
teichmann@7074:             String names = item.getAttribute("names").trim();
teichmann@7074:             String clazz = item.getAttribute("class").trim();
teichmann@7099:             String converter = item.getAttribute("converter").trim();
ingo@295: 
teichmann@7074:             if (names.isEmpty() || clazz.isEmpty()) {
ingo@295:                 continue;
ingo@295:             }
ingo@295: 
teichmann@7073:             Class<OutGenerator> generatorClass = null;
teichmann@7073: 
ingo@295:             try {
teichmann@7073:                 generatorClass = (Class<OutGenerator>)Class.forName(clazz);
ingo@295:             }
ingo@295:             catch (ClassNotFoundException cnfe) {
teichmann@7099:                 logger.error(cnfe, cnfe);
teichmann@7073:                 continue;
teichmann@7073:             }
teichmann@7073: 
teichmann@7099:             Object cfg = null;
teichmann@7099: 
teichmann@7099:             if (!converter.isEmpty()) {
teichmann@7099:                 try {
teichmann@7099:                     ElementConverter ec =
teichmann@7099:                         (ElementConverter)Class.forName(converter)
teichmann@7099:                             .newInstance();
teichmann@7099:                     cfg = ec.convert(item);
teichmann@7099:                 }
teichmann@7099:                 catch (ClassNotFoundException cnfe) {
teichmann@7099:                     logger.error(cnfe, cnfe);
teichmann@7099:                 }
teichmann@7099:                 catch (InstantiationException ie) {
teichmann@7099:                     logger.error(ie);
teichmann@7099:                 }
teichmann@7099:                 catch (IllegalAccessException iae) {
teichmann@7099:                     logger.error(iae);
teichmann@7099:                 }
teichmann@7099:             }
teichmann@7099: 
teichmann@7074:             for (String key: names.split("[\\s,]")) {
teichmann@7073:                 if (!(key = key.trim()).isEmpty()) {
teichmann@7226:                     generators.putGenerator(key, generatorClass, cfg);
teichmann@7073:                     idx++;
teichmann@7073:                 }
ingo@295:             }
ingo@295:         }
ingo@295: 
ingo@295:         logger.info("Successfully loaded " + idx + " output generators.");
teichmann@5866:         context.put(RiverContext.OUTGENERATORS_KEY, generators);
teichmann@7227:         context.put(RiverContext.FACETFILTER_KEY, generators);
ingo@295:     }
ingo@341: 
ingo@341: 
ingo@341:     /**
ingo@341:      * This methods reads the configured themes and puts them into the
teichmann@5866:      * RiverContext.
ingo@341:      *
ingo@341:      * @param config The global configuration.
teichmann@5866:      * @param context The RiverContext.
ingo@341:      */
teichmann@5866:     protected void configureThemes(Document config, RiverContext context) {
teichmann@5866:         logger.debug("RiverContextFactory.configureThemes");
ingo@341: 
ingo@341:         Document cfg = getThemeConfig(config);
ingo@341: 
raimund@2737:         NodeList themeGroups = (NodeList) XMLUtils.xpath(
raimund@2737:             cfg, XPATH_THEME_GROUPS, XPathConstants.NODESET);
ingo@341: 
raimund@2737:         int groupNum = themeGroups != null ? themeGroups.getLength() : 0;
ingo@341: 
raimund@2737:         if (groupNum == 0) {
raimund@2737:             logger.warn("There are no theme groups configured!");
ingo@341:         }
sascha@3256: 
ingo@3239:         logger.info("Found " + groupNum + " theme groups in configuration");
ingo@341: 
raimund@2737:         List<ThemeGroup> groups = new ArrayList<ThemeGroup>();
ingo@341: 
raimund@2737:         for (int g = 0; g < groupNum; g++) {
raimund@2737:             Element themeGroup = (Element) themeGroups.item(g);
raimund@2737:             NodeList themes = (NodeList) XMLUtils.xpath(
raimund@2737:                 themeGroup, XPATH_THEMES, XPathConstants.NODESET);
ingo@341: 
raimund@2737:             int num = themes != null ? themes.getLength() : 0;
ingo@341: 
raimund@2737:             if (num == 0) {
raimund@2737:                 logger.warn("There are no themes configured!");
raimund@2737:                 return;
raimund@2737:             }
raimund@2737: 
ingo@3239:             logger.info("Theme group has " + num + " themes.");
raimund@2737: 
raimund@2737:             Map<String, Theme> theThemes = new HashMap<String, Theme>();
raimund@2737: 
raimund@2737:             for (int i = 0; i < num; i++) {
raimund@2737:                 Node theme = themes.item(i);
raimund@2737: 
raimund@2737:                 Theme theTheme = ThemeFactory.createTheme(cfg, theme);
raimund@2737: 
raimund@2737:                 if (theme != null) {
raimund@2737:                     theThemes.put(theTheme.getName(), theTheme);
raimund@2737:                 }
raimund@2737:             }
raimund@2737:             String gName = themeGroup.getAttribute("name");
raimund@2737:             groups.add(new ThemeGroup(gName, theThemes));
sascha@3256: 
ingo@3239:             logger.info(
ingo@3239:                 "Initialized " + theThemes.size() + "/" + num + " themes " +
ingo@3239:                 "of theme-group '" + gName + "'");
raimund@2737:         }
teichmann@5866:         context.put(RiverContext.THEMES, groups);
ingo@341:     }
ingo@341: 
ingo@341:     /**
ingo@341:      * This method is used to retrieve the theme configuration document.
ingo@341:      *
ingo@341:      * @param config The global configuration.
ingo@341:      *
ingo@341:      * @return the theme configuration.
ingo@341:      */
ingo@341:     protected Document getThemeConfig(Document config) {
ingo@341:         String themeConfig = (String) XMLUtils.xpath(
ingo@341:             config,
ingo@341:             XPATH_THEME_CONFIG,
ingo@341:             XPathConstants.STRING);
ingo@341: 
ingo@341:         themeConfig = Config.replaceConfigDir(themeConfig);
ingo@341: 
ingo@341:         logger.debug("Parse theme cfg: " + themeConfig);
ingo@341: 
ingo@341:         return XMLUtils.parseDocument(new File(themeConfig));
ingo@341:     }
ingo@345: 
ingo@345: 
teichmann@5866:     protected void configureThemesMappings(Document cfg, RiverContext context) {
teichmann@5866:         logger.debug("RiverContextFactory.configureThemesMappings");
ingo@345: 
ingo@345:         Document config = getThemeConfig(cfg);
ingo@345: 
ingo@345:         NodeList mappings = (NodeList) XMLUtils.xpath(
ingo@345:             config, XPATH_THEME_MAPPINGS, XPathConstants.NODESET);
ingo@345: 
ingo@345:         int num = mappings != null ? mappings.getLength() : 0;
ingo@345: 
ingo@345:         if (num == 0) {
ingo@345:             logger.warn("No theme <--> facet mappins found!");
ingo@345:             return;
ingo@345:         }
ingo@345: 
ingo@1747:         Map<String, List<ThemeMapping>> mapping =
ingo@1747:             new HashMap<String, List<ThemeMapping>>();
ingo@345: 
ingo@345:         for (int i = 0; i < num; i++) {
raimund@2742:             Element node = (Element)mappings.item(i);
ingo@345: 
raimund@2742:             String from              = node.getAttribute("from");
raimund@2742:             String to                = node.getAttribute("to");
raimund@2742:             String pattern           = node.getAttribute("pattern");
raimund@2742:             String masterAttrPattern = node.getAttribute("masterAttr");
raimund@2742:             String outputPattern     = node.getAttribute("output");
ingo@1747: 
raimund@2742:             if (from.length() > 0 && to.length() > 0) {
ingo@1747:                 List<ThemeMapping> tm = mapping.get(from);
ingo@1747: 
ingo@1747:                 if (tm == null) {
ingo@1747:                     tm = new ArrayList<ThemeMapping>();
ingo@1747:                     mapping.put(from, tm);
ingo@1747:                 }
ingo@1747: 
felix@1822:                 tm.add(new ThemeMapping(
felix@1828:                     from, to, pattern, masterAttrPattern, outputPattern));
ingo@345:             }
ingo@345:         }
ingo@345: 
ingo@1747:         logger.debug("Found " + mapping.size() + " theme mappings.");
ingo@345: 
teichmann@5866:         context.put(RiverContext.THEME_MAPPING, mapping);
ingo@345:     }
ingo@958: 
ingo@958: 
christian@4656:     /**
christian@4656:      * Reads configured floodmap river WMSs from floodmap.xml and
teichmann@5866:      * loads them into the given RiverContext.
christian@4656:      * @param cfg
christian@4656:      * @param context
christian@4656:      */
teichmann@5866:     protected void configureFloodmapWMS(Document cfg, RiverContext context) {
ingo@958:         Map<String, String> riverWMS = new HashMap<String, String>();
ingo@958: 
ingo@958:         NodeList rivers = (NodeList) XMLUtils.xpath(
ingo@958:             cfg, XPATH_RIVER_WMS, XPathConstants.NODESET);
ingo@958: 
ingo@958:         int num = rivers != null ? rivers.getLength() : 0;
ingo@958: 
ingo@958:         for (int i = 0; i < num; i++) {
ingo@958:             Element e = (Element) rivers.item(i);
ingo@958: 
ingo@1062:             String river = e.getAttribute("name");
ingo@1062:             String url   = XMLUtils.xpathString(e, "river-wms/@url", null);
ingo@958: 
ingo@958:             if (river != null && url != null) {
ingo@958:                 riverWMS.put(river, url);
ingo@958:             }
ingo@958:         }
ingo@958: 
ingo@958:         logger.debug("Found " + riverWMS.size() + " river WMS.");
ingo@958: 
teichmann@5866:         context.put(RiverContext.RIVER_WMS, riverWMS);
ingo@958:     }
bjoern@3630: 
bjoern@3630: 
bjoern@3630:     /**
bjoern@3630:      * This method initializes the modules configuration.
bjoern@3630:      *
bjoern@3630:      * @param config the config document.
teichmann@5866:      * @param context the RiverContext.
bjoern@3630:      */
teichmann@5866:     protected void configureModules(Document cfg, RiverContext context) {
bjoern@3630:         NodeList modulenodes = (NodeList) XMLUtils.xpath(
bjoern@3630:             cfg, XPATH_MODULES, XPathConstants.NODESET);
bjoern@3630: 
bjoern@3630:         int num = modulenodes != null ? modulenodes.getLength() : 0;
bjoern@3630:         ArrayList<Module> modules = new ArrayList<Module>(num);
bjoern@3630: 
bjoern@3630:         for (int i = 0; i < num; i++) {
bjoern@3630:             Element e = (Element) modulenodes.item(i);
bjoern@3630:             String modulename = e.getAttribute("name");
bjoern@3630:             String attrselected = e.getAttribute("selected");
bjoern@3630:             boolean selected = attrselected == null ? false :
bjoern@3630:                 attrselected.equalsIgnoreCase("true");
bjoern@3630:             logger.debug("Loaded module " + modulename);
rrenkert@7756:             NodeList children = e.getChildNodes();
rrenkert@7756:             List<String> rivers = new ArrayList<String>(children.getLength());
rrenkert@7756:             for (int j = 0; j < children.getLength(); j++) {
rrenkert@7756:                 if (children.item(j).getNodeType() != Node.ELEMENT_NODE) {
rrenkert@7756:                     continue;
rrenkert@7756:                 }
rrenkert@7756:                 Element ce = (Element)children.item(j);
rrenkert@7756:                 if (ce.hasAttribute("uuid")) {
rrenkert@7756:                     rivers.add(ce.getAttribute("uuid"));
rrenkert@7756:                 }
rrenkert@7756:                 else if (ce.hasAttribute("name")) {
rrenkert@7756:                     List<River> allRivers = RiverFactory.getRivers();
rrenkert@7756:                     String name = ce.getAttribute("name");
rrenkert@7756:                     for (River r: allRivers) {
rrenkert@7756:                         if (name.equals(r.getName())) {
rrenkert@7756:                             rivers.add(r.getModelUuid());
rrenkert@7756:                             break;
rrenkert@7756:                         }
rrenkert@7756:                     }
rrenkert@7756:                 }
rrenkert@7756:             }
rrenkert@7756:             modules.add(new Module(modulename, selected, rivers));
bjoern@3630:         }
teichmann@5866:         context.put(RiverContext.MODULES, modules);
bjoern@3630:     }
ingo@106: }
ingo@106: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :