OpenRouteServiceDSRequestComposer.java

package org.androad.sys.ors.ds.openrouteservice;
import java.util.Formatter;
import java.util.Locale;

import junit.framework.Assert;

import org.osmdroid.util.GeoPoint;

import org.androad.sys.ors.adt.ds.DirectoryType;
import org.androad.sys.ors.adt.ds.POIType;
import org.androad.sys.ors.util.Util;
import org.androad.sys.ors.util.constants.ORSXMLConstants;

import android.content.Context;


public class OpenRouteServiceDSRequestComposer implements ORSXMLConstants {

	/**
	 * <pre><?xml version="1.0" encoding="UTF-8"?>
	 * <xls:XLS xmlns:xls="http://www.opengis.net/xls" xmlns:sch="http://www.ascc.net/xml/schematron"
	 * xmlns:gml="http://www.opengis.net/gml" xmlns:xlink="http://www.w3.org/1999/xlink"
	 * xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	 * xsi:schemaLocation="http://www.opengis.net/xls http://schemas.opengis.net/ols/1.1.0/DirectoryService.xsd" version="1.1">
	 * 	<xls:RequestHeader/>
	 * 	<xls:Request methodName="DirectoryRequest" requestID="123456789" version="1.1">
	 * 		<xls:DirectoryRequest distanceUnit="M" sortCriteria="Distance">
	 * 			<xls:POILocation>
	 * 				<xls:WithinDistance>
	 * 					<xls:Position>
	 * 						<gml:Point>
	 * 							<gml:pos>7.092298 50.733306</gml:pos>
	 * 						</gml:Point>
	 * 					</xls:Position>
	 * 					<xls:MinimumDistance value="500" uom="M"/>
	 * 				</xls:WithinDistance>
	 * 			</xls:POILocation>
	 * 			<xls:POIProperties directoryType="OSM">
	 * 				<xls:POIProperty name="Keyword" value="public_tran"/>
	 * 			</xls:POIProperties>
	 * 		</xls:DirectoryRequest>
	 * 	</xls:Request>
	 * </xls:XLS></pre>
	 */
	public static String create(final Context ctx, final GeoPoint aGeoPoint, final POIType aPOIType, final int pRadiusMeters){
		Assert.assertNotNull(aGeoPoint);
		Assert.assertNotNull(aPOIType);

		final StringBuilder sb = new StringBuilder();
		final Formatter f = new Formatter(sb, Locale.ENGLISH);

		sb.append(XML_BASE_TAG_UTF8)
		.append(XLS_OPENGIS_DIRECTORYSERVICE_TAG_OPEN);
		f.format(XLS_REQUESTHEADER_TAG, Util.getORSClientName(ctx));
		sb.append(XLS_REQUESTMETHOD_DIRECTORY_TAG_OPEN)
		.append(XLS_DIRECTORYREQUEST_TAG_OPEN)
		.append(XLS_POILOCATION_TAG_OPEN)
		.append(XLS_WITHINDISTANCE_TAG_OPEN)
		.append(XLS_POSITION_TAG_OPEN)
		.append(GML_POINT_TAG_OPEN);

		f.format(GML_POS_TAG, aGeoPoint.getLongitudeE6() / 1E6, aGeoPoint.getLatitudeE6() / 1E6);

		sb.append(GML_POINT_TAG_CLOSE)
		.append(XLS_POSITION_TAG_CLOSE);

		f.format(XLS_MAXIMUMDISTANCE_TAG, pRadiusMeters);

		sb.append(XLS_WITHINDISTANCE_TAG_CLOSE)
		.append(XLS_POILOCATION_TAG_CLOSE);
		f.format(XLS_POIPROPERTIES_TAG_OPEN, DirectoryType.OSM.mName);

		switch(aPOIType.POIGROUPS[0]){
			case MAINGROUP:
				f.format(XLS_POIPROPERTY_TAG, XLS_POIPROPERTY_MAINGROUP_NAME, aPOIType.RAWNAME);
				break;
			default:
				f.format(XLS_POIPROPERTY_TAG, XLS_POIPROPERTY_SUBGROUP_NAME, aPOIType.RAWNAME);
				break;
		}

		sb.append(XLS_POIPROPERTIES_TAG_CLOSE)
		.append(XLS_DIRECTORYREQUEST_TAG_CLOSE)
		.append(XLS_REQUESTMETHOD_DIRECTORY_TAG_CLOSE)
		.append(XLS_OPENGIS_DIRECTORYSERVICE_TAG_CLOSE);

		return sb.toString();
	}
}