ingo@1095: package de.intevation.flys.utils; ingo@1095: felix@1150: import org.apache.log4j.Logger; ingo@1740: ingo@1740: import java.text.NumberFormat; ingo@1105: import java.util.HashMap; ingo@1740: import java.util.List; ingo@1105: import java.util.Map; ingo@2068: import java.util.regex.Matcher; ingo@2068: import java.util.regex.Pattern; ingo@1105: ingo@1105: import javax.xml.xpath.XPathConstants; ingo@1105: ingo@1105: import org.w3c.dom.Document; ingo@1105: ingo@1845: import org.hibernate.SessionFactory; ingo@1845: import org.hibernate.impl.SessionFactoryImpl; ingo@1845: ingo@1095: import gnu.trove.TDoubleArrayList; ingo@1095: ingo@1174: import de.intevation.artifacts.Artifact; ingo@1118: import de.intevation.artifacts.CallContext; ingo@1118: ingo@1105: import de.intevation.artifacts.common.utils.Config; ingo@1105: import de.intevation.artifacts.common.utils.XMLUtils; ingo@1105: ingo@1845: import de.intevation.flys.backend.SessionFactoryProvider; ingo@1845: felix@1777: import de.intevation.flys.artifacts.context.FLYSContext; ingo@1095: import de.intevation.flys.artifacts.FLYSArtifact; ingo@1740: import de.intevation.flys.artifacts.WINFOArtifact; felix@1099: import de.intevation.flys.artifacts.model.RiverFactory; ingo@2063: import de.intevation.flys.artifacts.model.LocationProvider; ingo@2068: import de.intevation.flys.artifacts.model.WQ; ingo@1740: import de.intevation.flys.model.Gauge; ingo@1740: import de.intevation.flys.model.MainValue; felix@1099: import de.intevation.flys.model.River; ingo@1095: ingo@1095: public class FLYSUtils { ingo@1095: felix@1150: /** The logger that is used in this utility. */ felix@1150: private static Logger logger = Logger.getLogger(FLYSUtils.class); felix@1150: ingo@1095: public static enum KM_MODE { RANGE, LOCATIONS, NONE }; ingo@1095: ingo@2038: /** ingo@2038: * An enum that represents the 5 possible WQ modes in FLYS. The 5 values are ingo@2038: * QFREE QGAUGE WGAUGE WFREE and NONE. ingo@2038: */ ingo@2038: public static enum WQ_MODE { QFREE, QGAUGE, WFREE, WGAUGE, NONE }; ingo@2038: ingo@2068: ingo@2068: public static final Pattern NUMBERS_PATTERN = ingo@2068: Pattern.compile("\\D*(\\d++.\\d*)\\D*"); ingo@2068: ingo@1105: public static final String XPATH_RIVER_PROJECTION = ingo@1105: "/artifact-database/floodmap/river[@name=$name]/srid/@value"; ingo@1105: ingo@1129: public static final String XPATH_SHAPEFILE_DIR = ingo@1129: "/artifact-database/floodmap/shapefile-path/@value"; ingo@1129: ingo@1129: public static final String XPATH_VELOCITY_LOGFILE = ingo@1129: "/artifact-database/floodmap/velocity/logfile/@path"; ingo@1129: ingo@1129: public static final String XPATH_MAPSERVER_URL = ingo@1129: "/artifact-database/floodmap/mapserver/server/@path"; ingo@1129: ingo@1129: public static final String XPATH_MAPFILE_PATH = ingo@1129: "/artifact-database/floodmap/mapserver/mapfile/@path"; ingo@1129: ingo@1129: public static final String XPATH_MAPFILE_TEMPLATE = ingo@1129: "/artifact-database/floodmap/mapserver/map-template/@path"; ingo@1129: ingo@1129: public static final String XPATH_MAPSERVER_TEMPLATE_PATH = ingo@1129: "/artifact-database/floodmap/mapserver/templates/@path"; ingo@1129: ingo@1095: ingo@1095: private FLYSUtils() { ingo@1095: } ingo@1095: ingo@1095: felix@2017: /** felix@2017: * Pulls Artifact with given UUID fromm database. felix@2017: * @return FLYSArtifact with given UUID or null (in case of errors). felix@2017: */ ingo@1118: public static FLYSArtifact getArtifact(String uuid, CallContext context) { felix@1150: try { ingo@1174: Artifact artifact = context.getDatabase().getRawArtifact(uuid); ingo@1174: ingo@1174: if (artifact == null) { ingo@1174: logger.error("Artifact '" + uuid + "' does not exist."); ingo@1174: return null; ingo@1174: } ingo@1174: ingo@1174: if (!(artifact instanceof FLYSArtifact)) { ingo@1174: logger.error("Artifact '" +uuid+ "' is no valid FLYSArtifact."); ingo@1174: return null; ingo@1174: } ingo@1174: ingo@1174: return (FLYSArtifact) artifact; felix@1150: } felix@1150: // TODO: catch more selective felix@1150: catch (Exception e) { felix@2017: logger.error("Cannot get FLYSArtifact " + uuid felix@2017: + " from database (" + e.getMessage() + ")."); felix@1150: return null; felix@1150: } ingo@1118: } ingo@1118: ingo@1118: ingo@1129: /** felix@1777: * Returns the FLYSContext from context object. felix@1777: * felix@1777: * @param context The CallContext or the FLYSContext. felix@1777: * felix@1777: * @return the FLYSContext. felix@1777: */ felix@1777: public static FLYSContext getFlysContext(Object context) { felix@1777: return context instanceof FLYSContext felix@1777: ? (FLYSContext) context felix@1777: : (FLYSContext) ((CallContext) context).globalContext(); felix@1777: } felix@1777: felix@1777: felix@1777: /** ingo@1129: * Convinience function to retrieve an XPath as string with replaced config ingo@1129: * directory. ingo@1129: * ingo@1129: * @param xpath The XPath expression. ingo@1129: * ingo@1129: * @return a string with replaced config directory. ingo@1129: */ ingo@1129: public static String getXPathString(String xpath) { ingo@1129: String tmp = Config.getStringXPath(xpath); ingo@1129: tmp = Config.replaceConfigDir(tmp); ingo@1129: ingo@1129: return tmp; ingo@1129: } ingo@1129: ingo@1129: ingo@1845: public static boolean isUsingOracle() { ingo@1845: SessionFactory sf = SessionFactoryProvider.getSessionFactory(); ingo@1845: ingo@1845: String d = SessionFactoryProvider.getDriver((SessionFactoryImpl) sf); ingo@1845: ingo@1845: return d != null ? d.indexOf("Oracle") >= 0 : false; ingo@1845: } ingo@1845: ingo@1845: ingo@2038: /** ingo@2038: * This method returns an WQ_MODE enum which is based on the parameters ingo@2038: * stored in flys Artifact. If there is no wq_mode parameter ingo@2038: * existing, WQ_MODE.NONE is returned. ingo@2038: * ingo@2038: * @param flys The FLYSArtifact that stores wq mode relevant parameters. ingo@2038: * ingo@2038: * @return an enum WQ_MODE. ingo@2038: */ ingo@2038: public static WQ_MODE getWQMode(FLYSArtifact flys) { ingo@2081: if (flys == null) { ingo@2081: return WQ_MODE.NONE; ingo@2081: } ingo@2081: ingo@2038: String mode = flys.getDataAsString("wq_mode"); ingo@2081: Boolean free = flys.getDataAsBoolean("wq_free"); ingo@2081: ingo@2081: free = free != null ? free : false; ingo@2038: ingo@2038: if (mode != null && mode.equals("Q")) { ingo@2038: return free ? WQ_MODE.QFREE : WQ_MODE.QGAUGE; ingo@2038: } ingo@2038: else if (mode != null && mode.equals("W")) { ingo@2038: return free ? WQ_MODE.WFREE : WQ_MODE.WGAUGE; ingo@2038: } ingo@2038: else { ingo@2038: return WQ_MODE.NONE; ingo@2038: } ingo@2038: } ingo@2038: ingo@2038: ingo@1095: public static KM_MODE getKmRangeMode(FLYSArtifact flys) { felix@1099: String mode = flys.getDataAsString("ld_mode"); ingo@1095: ingo@1095: if (mode == null || mode.length() == 0) { ingo@1095: return KM_MODE.NONE; ingo@1095: } ingo@1095: else if (mode.equals("distance")) { ingo@1095: return KM_MODE.RANGE; ingo@1095: } ingo@1095: else if (mode.equals("locations")) { ingo@1095: return KM_MODE.LOCATIONS; ingo@1095: } ingo@1095: else { ingo@1095: return KM_MODE.NONE; ingo@1095: } ingo@1095: } ingo@1095: felix@2041: /** felix@2041: * Get min and max kilometer, independent of parametization felix@2041: * (ld_from/to vs ld_locations). felix@2041: */ ingo@1095: public static double[] getKmRange(FLYSArtifact flys) { ingo@1095: switch (getKmRangeMode(flys)) { ingo@1095: case RANGE: { ingo@1095: return getKmFromTo(flys); ingo@1095: } ingo@1095: ingo@1095: case LOCATIONS: { ingo@1095: double[] locs = getLocations(flys); ingo@1095: return new double[] { locs[0], locs[locs.length-1] }; ingo@1095: } ingo@1095: ingo@1095: case NONE: { ingo@1095: double[] locs = getLocations(flys); ingo@1095: if (locs != null) { ingo@1095: return new double[] { locs[0], locs[locs.length-1] }; ingo@1095: } ingo@1095: else { ingo@1095: return getKmFromTo(flys); ingo@1095: } ingo@1095: } ingo@1095: } ingo@1095: ingo@1095: return new double[] { Double.NaN, Double.NaN }; ingo@1095: } ingo@1095: ingo@1095: ingo@1095: public static double[] getKmFromTo(FLYSArtifact flys) { ingo@1095: String strFrom = flys.getDataAsString("ld_from"); ingo@1095: String strTo = flys.getDataAsString("ld_to"); ingo@1095: ingo@1095: if (strFrom == null || strTo == null) { ingo@1095: return null; ingo@1095: } ingo@1095: ingo@1095: try { ingo@1095: return new double[] { ingo@1095: Double.parseDouble(strFrom), ingo@1095: Double.parseDouble(strTo) }; ingo@1095: } ingo@1095: catch (NumberFormatException nfe) { ingo@1095: return null; ingo@1095: } ingo@1095: } ingo@1095: ingo@1095: felix@2041: /** felix@2041: * Return sorted array of locations at which stuff was calculated felix@2041: * (from ld_locations data), null if not parameterized this way. felix@2041: */ ingo@1095: public static double[] getLocations(FLYSArtifact flys) { ingo@1095: String locationStr = flys.getDataAsString("ld_locations"); ingo@1095: ingo@1095: if (locationStr == null || locationStr.length() == 0) { ingo@1095: return null; ingo@1095: } ingo@1095: ingo@1095: String[] tmp = locationStr.split(" "); ingo@1095: TDoubleArrayList locations = new TDoubleArrayList(); ingo@1095: ingo@1095: for (String l: tmp) { ingo@1095: try { ingo@1095: locations.add(Double.parseDouble(l)); ingo@1095: } ingo@1095: catch (NumberFormatException nfe) { ingo@1095: } ingo@1095: } ingo@1095: ingo@1095: locations.sort(); ingo@1095: ingo@1095: return locations.toNativeArray(); ingo@1095: } felix@1099: felix@1099: felix@1099: /** ingo@2045: * Returns the Qs for a given FLYSArtifact. This method currently accepts ingo@2045: * only instances of WINFOArtifact. ingo@2045: * ingo@2045: * @param flys A FLYSArtifact. ingo@2045: * ingo@2045: * @return the Qs. ingo@2045: */ ingo@2045: public static double[] getQs(FLYSArtifact flys) { ingo@2045: double[] kmRange = getKmRange(flys); ingo@2045: ingo@2045: // XXX this is not nice! ingo@2045: if (flys instanceof WINFOArtifact) { ingo@2045: return ((WINFOArtifact) flys).getQs(kmRange); ingo@2045: } ingo@2045: ingo@2045: logger.warn("This method currently supports WINFOArtifact only!"); ingo@2045: ingo@2045: return null; ingo@2045: } ingo@2045: ingo@2045: ingo@2045: /** ingo@2045: * Returns the Ws for a given FLYSArtifact. This method currently accepts ingo@2045: * only instances of WINFOArtifact. ingo@2045: * ingo@2045: * @param flys A FLYSArtifact. ingo@2045: * ingo@2045: * @return the Ws. ingo@2045: */ ingo@2045: public static double[] getWs(FLYSArtifact flys) { ingo@2045: double[] kmRange = getKmRange(flys); ingo@2045: ingo@2045: // XXX this is not nice! ingo@2045: if (flys instanceof WINFOArtifact) { ingo@2045: return ((WINFOArtifact) flys).getWs(kmRange); ingo@2045: } ingo@2045: ingo@2045: logger.warn("This method currently supports WINFOArtifact only!"); ingo@2045: ingo@2045: return null; ingo@2045: } ingo@2045: ingo@2045: ingo@2045: /** felix@1099: * Returns the selected River object based on the 'river' data that might felix@1099: * have been inserted by the user. felix@1099: * felix@1099: * @return the selected River or null if no river has been chosen yet. felix@1099: */ felix@1099: public static River getRiver(FLYSArtifact flys) { ingo@2045: String sRiver = getRivername(flys); felix@1099: felix@1099: return (sRiver != null) felix@1099: ? RiverFactory.getRiver(sRiver) felix@1099: : null; felix@1099: } ingo@1105: ingo@1105: ingo@1105: /** ingo@2045: * Returns the name of the river specified in the given flys ingo@2045: * Artifact. ingo@2045: * ingo@2045: * @param flys The FLYSArtifact that stores a river relevant information. ingo@2045: * ingo@2045: * @return the name of the specified river or null. ingo@2045: */ ingo@2045: public static String getRivername(FLYSArtifact flys) { ingo@2045: return flys != null ? flys.getDataAsString("river") : null; ingo@2045: } ingo@2045: ingo@2045: ingo@2045: /** ingo@1105: * Extracts the SRID defined in the global configuration for the river ingo@1105: * specified in artifact. ingo@1105: * ingo@1105: * @param artifact The FLYSArtifact that stores the name of the river. ingo@1105: * ingo@1105: * @return the SRID as string (e.g. "31466"). ingo@1105: */ ingo@1105: public static String getRiverSrid(FLYSArtifact artifact) { ingo@1105: String river = artifact.getDataAsString("river"); ingo@1105: ingo@1105: if (river == null || river.length() == 0) { ingo@1105: return null; ingo@1105: } ingo@1105: ingo@1805: return getRiverSrid(river); ingo@1805: } ingo@1805: ingo@1805: ingo@1805: public static String getRiverSrid(String rivername) { ingo@1105: Map variables = new HashMap(1); ingo@1805: variables.put("name", rivername); ingo@1105: ingo@1105: Document cfg = Config.getConfig(); ingo@1105: ingo@1105: return (String) XMLUtils.xpath( ingo@1105: cfg, ingo@1105: XPATH_RIVER_PROJECTION, ingo@1105: XPathConstants.STRING, ingo@1105: null, ingo@1105: variables); ingo@1105: } ingo@1740: ingo@1740: ingo@2045: public static Gauge getGauge(FLYSArtifact flys) { ingo@2045: River river = getRiver(flys); ingo@2045: ingo@2045: if (river == null) { ingo@2045: logger.debug("no river found"); ingo@2045: return null; ingo@2045: } ingo@2045: ingo@2045: double[] dist = getKmRange(flys); ingo@2045: ingo@2045: if (dist == null) { ingo@2045: logger.debug("no range found"); ingo@2045: return null; ingo@2045: } ingo@2045: ingo@2045: if (logger.isDebugEnabled()) { ingo@2045: logger.debug("Determine gauge for:"); ingo@2045: logger.debug("... river: " + river.getName()); ingo@2045: logger.debug("... distance: " + dist[0] + " - " + dist[1]); ingo@2045: } ingo@2045: ingo@2045: Gauge gauge = river.determineGauge(dist[0], dist[1]); ingo@2045: ingo@2045: String name = gauge != null ? gauge.getName() : "'n/a"; ingo@2045: logger.debug("Found gauge: " + name); ingo@2045: ingo@2045: return gauge; ingo@2045: } ingo@2045: ingo@2045: ingo@2045: public static String getGaugename(FLYSArtifact flys) { ingo@2045: Gauge gauge = getGauge(flys); ingo@2045: ingo@2045: return gauge != null ? gauge.getName() : null; ingo@2045: } ingo@2045: ingo@2045: ingo@2068: public static Double getValueFromWQ(WQ wq) { ingo@2068: if (wq == null) { ingo@2068: return null; ingo@2068: } ingo@2068: ingo@2068: Matcher m = NUMBERS_PATTERN.matcher(wq.getName()); ingo@2068: ingo@2068: if (m.matches()) { ingo@2068: logger.debug("Found a number."); ingo@2068: ingo@2068: String raw = m.group(1); ingo@2068: ingo@2068: try { ingo@2068: return Double.valueOf(raw); ingo@2068: } ingo@2068: catch (NumberFormatException nfe) { ingo@2068: } ingo@2068: } ingo@2068: ingo@2068: return null; ingo@2068: } ingo@2068: ingo@2068: ingo@1740: public static String createWspWTitle( ingo@1740: WINFOArtifact winfo, ingo@1740: CallContext cc, ingo@1740: String name ingo@1740: ) { ingo@1740: String[] parts = name.split("="); ingo@1740: ingo@1740: NumberFormat nf = Formatter.getWaterlevelW(cc); ingo@1740: ingo@1740: String namedMainValue = null; ingo@1740: ingo@1740: boolean isQ = winfo.isQ(); ingo@1740: boolean isFree = winfo.isFreeQ(); ingo@1740: ingo@1740: double v; ingo@1740: ingo@1740: try { ingo@1740: v = Double.valueOf(parts[1]); ingo@1740: ingo@1740: namedMainValue = getNamedMainValue(winfo.getGauge(), v); ingo@1740: } ingo@1740: catch (NumberFormatException nfe) { ingo@1740: logger.warn("Cannot parse Double of: '" + parts[1] + "'"); ingo@1740: return name; ingo@1740: } ingo@1740: ingo@1740: String prefix = null; ingo@1740: ingo@1740: if (isQ && !isFree && namedMainValue != null) { ingo@1740: return "W (" + namedMainValue + ")"; ingo@1740: } ingo@1740: ingo@1740: if (isQ) { ingo@1740: prefix = "Q="; ingo@1740: } ingo@1740: ingo@1740: return prefix == null ingo@1740: ? "W(" + nf.format(v) + ")" ingo@1740: : "W(" + prefix + nf.format(v) + ")"; ingo@1740: } ingo@1740: ingo@1740: ingo@1740: public static String createWspQTitle( ingo@1740: WINFOArtifact winfo, ingo@1740: CallContext cc, ingo@1740: String name ingo@1740: ) { ingo@1740: String[] parts = name.split("="); ingo@1740: ingo@1740: NumberFormat nf = Formatter.getWaterlevelQ(cc); ingo@1740: ingo@1740: String namedMainValue = null; ingo@1740: ingo@1740: boolean isQ = winfo.isQ(); ingo@1740: boolean isFree = winfo.isFreeQ(); ingo@1740: ingo@1740: double v; ingo@1740: ingo@1740: try { ingo@1740: v = Double.valueOf(parts[1]); ingo@1740: ingo@1740: namedMainValue = getNamedMainValue(winfo.getGauge(), v); ingo@1740: } ingo@1740: catch (NumberFormatException nfe) { ingo@1740: logger.warn("Cannot parse Double of: '" + parts[1] + "'"); ingo@1740: return name; ingo@1740: } ingo@1740: ingo@1740: String prefix = null; ingo@1740: ingo@1740: if (isQ && !isFree && namedMainValue != null) { ingo@1740: return namedMainValue; ingo@1740: } ingo@1740: ingo@1740: if (!isQ) { ingo@1740: prefix = "W="; ingo@1740: } ingo@1740: ingo@1740: return prefix == null ingo@1740: ? "Q(" + nf.format(v) + ")" ingo@1740: : "Q(" + prefix + nf.format(v) + ")"; ingo@1740: } ingo@1740: ingo@1740: ingo@2038: /** ingo@2038: * Returns the named main value if a Q was selected and if this Q fits to a ingo@2038: * named main value. Otherwise, this function returns null. ingo@2038: * ingo@2038: * @param winfo The WINFO Artifact. ingo@2038: * @param value The Q (or W) value. ingo@2038: * ingo@2038: * @return a named main value or null. ingo@2038: */ ingo@2038: public static String getNamedMainValue(WINFOArtifact winfo, double value) { ingo@2038: WQ_MODE wqmode = getWQMode(winfo); ingo@2038: ingo@2038: if (wqmode != WQ_MODE.QGAUGE) { ingo@2038: return null; ingo@2038: } ingo@2038: else { ingo@2038: return getNamedMainValue(winfo.getGauge(), value); ingo@2038: } ingo@2038: } ingo@2038: ingo@2038: ingo@1740: public static String getNamedMainValue(Gauge gauge, double value) { ingo@1740: List mainValues = gauge.getMainValues(); ingo@1740: logger.debug("Search named main value for: " + value); ingo@1740: ingo@1740: for (MainValue mv: mainValues) { ingo@1740: if (mv.getValue().doubleValue() == value) { ingo@1740: logger.debug("Found named main value: " + mv.getMainValue().getName()); ingo@1740: return mv.getMainValue().getName(); ingo@1740: } ingo@1740: } ingo@1740: ingo@1740: logger.debug("Did not find a named main value for: " + value); ingo@1740: return null; ingo@1740: } ingo@1792: ingo@1792: ingo@1792: /** ingo@2035: * ingo@2035: * @param nmv A string that represents a named main value. ingo@2035: * ingo@2035: * @throws NullPointerException if nmv is null. ingo@2035: */ ingo@2035: public static String stripNamedMainValue(String nmv) { ingo@2035: int startIndex = nmv.indexOf("("); ingo@2035: int endIndex = nmv.indexOf(")"); ingo@2035: ingo@2035: if (startIndex > 0 && endIndex > 0 && startIndex < endIndex) { ingo@2035: return nmv.substring(0, startIndex); ingo@2035: } ingo@2035: ingo@2035: return nmv; ingo@2035: } ingo@2035: ingo@2035: ingo@2035: /** ingo@1792: * Returns the URL of user mapfile for the owner of Artifact ingo@1792: * artifactId. ingo@1792: * ingo@1792: * @param artifactId The UUID of an artifact. ingo@1792: * ingo@1792: * @return the URL of the user wms. ingo@1792: */ ingo@1792: public static String getUserWMSUrl(String artifactId) { ingo@1792: String url = getXPathString(XPATH_MAPSERVER_URL); ingo@1792: url = url + "user-wms"; ingo@1792: ingo@1792: return url; ingo@1792: } ingo@2063: ingo@2063: ingo@2063: /** ingo@2063: * This method returns the description for a given km for a specific ingo@2063: * river. The river is provided by the FLYSArtifact flys. ingo@2063: * ingo@2063: * @param flys The FLYSArtifact that provides a river. ingo@2063: * @param km The kilometer. ingo@2063: * ingo@2063: * @return the description for km or an empty string if no ingo@2063: * description was found. ingo@2063: */ ingo@2063: public static String getLocationDescription(FLYSArtifact flys, double km) { ingo@2063: String river = getRivername(flys); ingo@2063: ingo@2063: if (river == null) { ingo@2063: return ""; ingo@2063: } ingo@2063: ingo@2063: return LocationProvider.getLocation(river, km); ingo@2063: } ingo@1095: } ingo@1105: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :