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/*
* Copyright the original author or authors.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
package de.schildbach.pte.dto;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
import java.io.Serializable;
import java.util.Arrays;
import java.util.Set;
import javax.annotation.Nullable;
import com.google.common.base.MoreObjects;
import com.google.common.base.MoreObjects.ToStringHelper;
import com.google.common.base.Objects;
import com.google.common.base.Strings;
/**
* @author Andreas Schildbach
*/
public final class Location implements Serializable {
private static final long serialVersionUID = -2124775933106309127L;
public final LocationType type;
public final @Nullable String id;
public final @Nullable Point coord;
public final @Nullable String place;
public final @Nullable String name;
public final @Nullable Set products;
public Location(final LocationType type, final String id, final Point coord, final String place, final String name,
final Set products) {
this.type = checkNotNull(type);
this.id = id;
this.coord = coord;
this.place = place;
this.name = name;
this.products = products;
checkArgument(id == null || id.length() > 0, "ID cannot be the empty string");
checkArgument(place == null || name != null, "place '%s' without name cannot exist", place);
if (type == LocationType.ANY) {
checkArgument(id == null, "type ANY cannot have ID");
} else if (type == LocationType.COORD) {
checkArgument(hasCoord(), "coordinates missing");
checkArgument(place == null && name == null, "coordinates cannot have place or name");
}
}
public Location(final LocationType type, final String id, final Point coord, final String place,
final String name) {
this(type, id, coord, place, name, null);
}
public Location(final LocationType type, final String id, final String place, final String name) {
this(type, id, null, place, name);
}
public Location(final LocationType type, final String id, final Point coord) {
this(type, id, coord, null, null);
}
public Location(final LocationType type, final String id) {
this(type, id, null, null);
}
public static Location coord(final int lat, final int lon) {
return new Location(LocationType.COORD, null, Point.from1E6(lat, lon));
}
public static Location coord(final Point coord) {
return new Location(LocationType.COORD, null, coord);
}
public final boolean hasId() {
return !Strings.isNullOrEmpty(id);
}
public final boolean hasCoord() {
return coord != null;
}
public double getLatAsDouble() {
return coord.getLatAsDouble();
}
public double getLonAsDouble() {
return coord.getLonAsDouble();
}
public int getLatAs1E6() {
return coord.getLatAs1E6();
}
public int getLonAs1E6() {
return coord.getLonAs1E6();
}
public final boolean hasName() {
return name != null;
}
public final boolean isIdentified() {
if (type == LocationType.STATION)
return hasId();
if (type == LocationType.POI)
return true;
if (type == LocationType.ADDRESS || type == LocationType.COORD)
return hasCoord();
return false;
}
private static final String[] NON_UNIQUE_NAMES = { "Hauptbahnhof", "Hbf", "Bahnhof", "Bf", "Busbahnhof", "ZOB",
"Schiffstation", "Schiffst.", "Zentrum", "Markt", "Dorf", "Kirche", "Nord", "Ost", "Süd", "West" };
static {
Arrays.sort(NON_UNIQUE_NAMES);
}
public final String uniqueShortName() {
if (place != null && name != null && Arrays.binarySearch(NON_UNIQUE_NAMES, name) >= 0)
return place + ", " + name;
else if (name != null)
return name;
else if (hasId())
return id;
else
return null;
}
@Override
public boolean equals(final Object o) {
if (o == this)
return true;
if (!(o instanceof Location))
return false;
final Location other = (Location) o;
if (!Objects.equal(this.type, other.type))
return false;
if (this.id != null)
return Objects.equal(this.id, other.id);
if (this.coord != null)
return Objects.equal(this.coord, other.coord);
// only discriminate by name/place if no ids are given
if (!Objects.equal(this.place, other.place))
return false;
if (!Objects.equal(this.name, other.name))
return false;
return true;
}
public boolean equalsAllFields(final Location other) {
if (other == this)
return true;
if (other == null)
return false;
if (!Objects.equal(this.type, other.type))
return false;
if (!Objects.equal(this.id, other.id))
return false;
if (!Objects.equal(this.coord, other.coord))
return false;
if (!Objects.equal(this.place, other.place))
return false;
if (!Objects.equal(this.name, other.name))
return false;
if (!Objects.equal(this.products, other.products))
return false;
return true;
}
@Override
public int hashCode() {
if (id != null)
return Objects.hashCode(type, id);
else
return Objects.hashCode(type, coord);
}
@Override
public String toString() {
final ToStringHelper helper = MoreObjects.toStringHelper(this).addValue(type).addValue(id);
if (hasCoord())
helper.addValue(coord);
return helper.add("place", place).add("name", name).add("products", products).omitNullValues().toString();
}
}
