teichmann@8037: /* Copyright (C) 2014 by Bundesanstalt für Gewässerkunde
teichmann@8037:  * Software engineering by Intevation GmbH
teichmann@8037:  *
teichmann@8037:  * This file is Free Software under the GNU AGPL (>=v3)
teichmann@8037:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
teichmann@8037:  * documentation coming with Dive4Elements River for details.
teichmann@8037:  */
teichmann@8037: package org.dive4elements.river.artifacts.model.minfo;
teichmann@8037: 
teichmann@8037: import java.util.ArrayList;
teichmann@8037: import java.util.Calendar;
teichmann@8037: import java.util.Date;
teichmann@8037: import java.util.List;
teichmann@8037: 
teichmann@8186: import org.dive4elements.river.backend.utils.DateUtil;
tom@8180: 
teichmann@8037: import org.dive4elements.river.artifacts.model.minfo.SedimentLoadData.Value;
teichmann@8037: import org.dive4elements.river.artifacts.model.minfo.SedimentLoadData.Value.Filter;
teichmann@8037: 
teichmann@8037: public final class SedimentLoadDataValueFilter {
teichmann@8037: 
teichmann@8037:     private SedimentLoadDataValueFilter() {
teichmann@8037:     }
teichmann@8037: 
teichmann@8055:     public static final class Not implements Filter {
teichmann@8055: 
teichmann@8055:         private Filter parent;
teichmann@8055: 
teichmann@8055:         public Not(Filter parent) {
teichmann@8055:             this.parent = parent;
teichmann@8055:         }
teichmann@8055: 
teichmann@8055:         @Override
teichmann@8055:         public boolean accept(Value value) {
teichmann@8055:             return !parent.accept(value);
teichmann@8055:         }
teichmann@8055:     } // class Not
teichmann@8055: 
teichmann@8037:     public static abstract class Composite implements Filter {
teichmann@8037:         protected List<Filter> filters;
teichmann@8037: 
teichmann@8037:         public Composite() {
teichmann@8037:             filters = new ArrayList<Filter>();
teichmann@8037:         }
teichmann@8037: 
teichmann@8068:         public Composite(Filter filter) {
teichmann@8068:             this();
teichmann@8068:             add(filter);
teichmann@8068:         }
teichmann@8068: 
teichmann@8055:         public Composite add(Filter filter) {
teichmann@8037:             filters.add(filter);
teichmann@8055:             return this;
teichmann@8037:         }
teichmann@8037:     }
teichmann@8037: 
teichmann@8037:     public static final class And extends Composite {
teichmann@8037: 
teichmann@8037:         public And() {
teichmann@8037:         }
teichmann@8037: 
teichmann@8068:         public And(Filter filter) {
teichmann@8068:             super(filter);
teichmann@8068:         }
teichmann@8068: 
teichmann@8037:         @Override
teichmann@8037:         public boolean accept(Value value) {
teichmann@8037:             for (Filter filter: filters) {
teichmann@8037:                 if (!filter.accept(value)) {
teichmann@8037:                     return false;
teichmann@8037:                 }
teichmann@8037:             }
teichmann@8037:             return true;
teichmann@8037:         }
teichmann@8037:     } // class And
teichmann@8037: 
teichmann@8037:     public static final class Or extends Composite {
teichmann@8037: 
teichmann@8037:         public Or() {
teichmann@8037:         }
teichmann@8037: 
teichmann@8068:         public Or(Composite filter) {
teichmann@8068:             super(filter);
teichmann@8068:         }
teichmann@8068: 
teichmann@8037:         @Override
teichmann@8037:         public boolean accept(Value value) {
teichmann@8037:             for (Filter filter: filters) {
teichmann@8037:                 if (filter.accept(value)) {
teichmann@8037:                     return true;
teichmann@8037:                 }
teichmann@8037:             }
teichmann@8037:             return false;
teichmann@8037:         }
teichmann@8037:     } // class Or
teichmann@8037: 
teichmann@8037:     public static final class Year implements Filter {
teichmann@8037: 
teichmann@8037:         private int year;
teichmann@8037: 
teichmann@8037:         public Year(int year) {
teichmann@8037:             this.year = year;
teichmann@8037:         }
teichmann@8037: 
teichmann@8037:         @Override
teichmann@8037:         public boolean accept(Value value) {
teichmann@8037:             Calendar cal = Calendar.getInstance();
teichmann@8037:             cal.setTime(value.getLoad().getStartTime());
teichmann@8037:             return cal.get(Calendar.YEAR) == year;
teichmann@8037:         }
teichmann@8037:     } // class Year
teichmann@8037: 
teichmann@8037:     public static final class IsEpoch implements Filter {
teichmann@8037: 
teichmann@8037:         public static final IsEpoch INSTANCE = new IsEpoch();
teichmann@8037: 
teichmann@8037:         private IsEpoch() {
teichmann@8037:         }
teichmann@8037: 
teichmann@8037:         @Override
teichmann@8037:         public boolean accept(Value value) {
teichmann@8037:             return value.getLoad().isEpoch();
teichmann@8037:         }
teichmann@8037:     } // class Year
teichmann@8037: 
teichmann@8037:     public static final class TimeRangeIntersects implements Filter {
teichmann@8037: 
teichmann@8037:         private Date a;
teichmann@8037:         private Date b;
teichmann@8037: 
teichmann@8055:         public TimeRangeIntersects(int year) {
teichmann@8055:             this(year, year);
teichmann@8055:         }
teichmann@8055: 
teichmann@8053:         public TimeRangeIntersects(int startYear, int endYear) {
tom@8180:             this(DateUtil.getStartDateFromYear(Math.min(startYear, endYear)),
tom@8180:                  DateUtil.getEndDateFromYear(Math.max(startYear, endYear)));
teichmann@8053:         }
teichmann@8053: 
teichmann@8037:         public TimeRangeIntersects(Date a, Date b) {
teichmann@8037:             if (a.after(b)) {
teichmann@8037:                 this.b = a;
teichmann@8037:                 this.a = b;
teichmann@8037:             } else {
teichmann@8037:                 this.a = a;
teichmann@8037:                 this.b = b;
teichmann@8037:             }
teichmann@8037:         }
teichmann@8060: 
teichmann@8037:         @Override
teichmann@8037:         public boolean accept(Value value) {
teichmann@8037:             Date c = value.getLoad().getStartTime();
teichmann@8037:             Date d = value.getLoad().getStopTime();
teichmann@8037:             return d == null
teichmann@8037:                 ? c.compareTo(a) >= 0 && c.compareTo(b) <= 0
teichmann@8037:                 : !(a.after(d) || c.after(b));
teichmann@8037:         }
teichmann@8037:     } // class TimeRangeIntersects
teichmann@8060: 
teichmann@8060:     public static final class IsOfficial implements Filter {
teichmann@8060: 
teichmann@8060:         public static final IsOfficial INSTANCE = new IsOfficial();
teichmann@8060: 
teichmann@8060:         private IsOfficial() {
teichmann@8060:         }
teichmann@8060: 
teichmann@8060:         @Override
teichmann@8060:         public boolean accept(Value value) {
teichmann@8060:             return value.getLoad().getKind() == 1;
teichmann@8060:         }
teichmann@8060:     } // class IsOfficial
teichmann@8037: }
teichmann@8037: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
teichmann@8037: