sascha@650: package de.intevation.flys.artifacts.model;
sascha@650: 
sascha@650: import java.util.List;
sascha@650: import java.util.ArrayList;
sascha@650: 
sascha@650: import java.io.Serializable;
sascha@650: 
sascha@650: import org.apache.log4j.Logger;
sascha@650: 
sascha@650: import gnu.trove.TDoubleArrayList;
sascha@650: 
sascha@650: public class Segment
sascha@650: implements   Serializable
sascha@650: {
sascha@650:     private static Logger logger = Logger.getLogger(Segment.class);
sascha@650: 
sascha@650:     protected double    from;
sascha@650:     protected double    to;
sascha@650:     protected double [] values;
sascha@650: 
sascha@650:     public Segment() {
sascha@650:     }
sascha@650: 
sascha@650:     public Segment(double from, double to, double [] values) {
sascha@650:         this.from   = from;
sascha@650:         this.to     = to;
sascha@650:         this.values = values;
sascha@650:     }
sascha@650: 
sascha@650:     public boolean isUp() {
sascha@650:         return from < to;
sascha@650:     }
sascha@650: 
sascha@650:     public String toString() {
sascha@650:         StringBuilder sb = new StringBuilder("Segment: [");
sascha@650:         sb.append("from: ").append(from).append("; to: ")
sascha@650:           .append(to).append("; values: (");
sascha@650:         for (int i = 0; i < values.length; ++i) {
sascha@650:             if (i > 0) sb.append(", ");
sascha@650:             sb.append(values[i]);
sascha@650:         }
sascha@650:         sb.append(")]");
sascha@650:         return sb.toString();
sascha@650:     }
sascha@650: 
sascha@650:     public static List<Segment> parseSegments(String input) {
sascha@650: 
sascha@650:         ArrayList<Segment> segments = new ArrayList<Segment>();
sascha@650: 
sascha@650:         TDoubleArrayList vs = new TDoubleArrayList();
sascha@650: 
sascha@650:         for (String segmentStr: input.split(":")) {
sascha@650:             String [] parts = segmentStr.split(";");
sascha@650:             if (parts.length < 3) {
sascha@650:                 logger.warn("invalid segment: '" + segmentStr + "'");
sascha@650:                 continue;
sascha@650:             }
sascha@650:             try {
sascha@650:                 double from = Double.parseDouble(parts[0].trim());
sascha@650:                 double to   = Double.parseDouble(parts[1].trim());
sascha@650: 
sascha@650:                 vs.clear();
sascha@650: 
sascha@650:                 for (String valueStr: parts[2].split(",")) {
sascha@650:                     vs.add(Double.parseDouble(valueStr.trim()));
sascha@650:                 }
sascha@650: 
sascha@650:                 double [] values = vs.toNativeArray();
sascha@650:                 segments.add(new Segment(from, to, values));
sascha@650:             }
sascha@650:             catch (NumberFormatException nfe) {
sascha@650:                 logger.warn("invalid segment: '" + segmentStr + "'");
sascha@650:             }
sascha@650:         }
sascha@650: 
sascha@650:         return segments;
sascha@650:     }
sascha@650: }
sascha@650: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :