net.glxn.qrgen.core.scheme.GeoInfo Maven / Gradle / Ivy

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package net.glxn.qrgen.core.scheme;

import java.util.ArrayList;
import java.util.List;

/**
 * Encodes a geographic information, format is:
 * geo:40.71872,-73.98905,100
 * 
 */
public class GeoInfo extends Schema {

	public static final String GEO = "geo";
	private List points;

	/**
	 * Default constructor to construct new geo info object.
	 */
	public GeoInfo() {
		super();
		this.points = new ArrayList();
	}

	public List getPoints() {
		return points;
	}

	public void setPoints(List points) {
		this.points = points;
	}

	@Override
	public Schema parseSchema(String code) {
		if (code == null || !code.trim().toLowerCase().startsWith(GEO)) {
			throw new IllegalArgumentException("this is not a geo info code: " + code);
		}
		String[] points = code.trim().toLowerCase().replaceAll(GEO + ":", "").split(",");
		if (points != null && points.length > 0) {
			for (String point : points) {
				this.points.add(point);
			}
		}
		return this;
	}

	@Override
	public String generateString() {
		StringBuilder builder = new StringBuilder();
		if (points != null) {
			int s = points.size();
			for (int i = 0; i < s; i++) {
				builder.append(points.get(i));
				if (i < s - 1) {
					builder.append(",");
				}
			}
		}
		return GEO + ":" + builder.toString();
	}

	@Override
	public String toString() {
		return generateString();
	}

	public static GeoInfo parse(final String geoInfoCode) {
		GeoInfo geoInfo = new GeoInfo();
		geoInfo.parseSchema(geoInfoCode);
		return geoInfo;
	}
}