113 lines
3.8 KiB
C++
113 lines
3.8 KiB
C++
/*
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open source routing machine
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Copyright (C) Dennis Luxen, 2010
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU AFFERO General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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or see http://www.gnu.org/licenses/agpl.txt.
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*/
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#ifndef LOCATEPLUGIN_H_
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#define LOCATEPLUGIN_H_
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#include "BasePlugin.h"
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#include "../Util/StringUtil.h"
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//locates the nearest node in the road network for a given coordinate.
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template<class DataFacadeT>
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class LocatePlugin : public BasePlugin {
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public:
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LocatePlugin(DataFacadeT * facade)
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:
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descriptor_string("locate"),
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facade(facade)
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{ }
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const std::string & GetDescriptor() const { return descriptor_string; }
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void HandleRequest(
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const RouteParameters & routeParameters,
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http::Reply& reply
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) {
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//check number of parameters
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if(!routeParameters.coordinates.size()) {
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reply = http::Reply::stockReply(http::Reply::badRequest);
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return;
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}
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if(false == checkCoord(routeParameters.coordinates[0])) {
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reply = http::Reply::stockReply(http::Reply::badRequest);
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return;
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}
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//query to helpdesk
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FixedPointCoordinate result;
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std::string tmp;
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//json
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if(!routeParameters.jsonpParameter.empty()) {
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reply.content += routeParameters.jsonpParameter;
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reply.content += "(";
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}
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reply.status = http::Reply::ok;
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reply.content += ("{");
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reply.content += ("\"version\":0.3,");
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if(
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!facade->LocateClosestEndPointForCoordinate(
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routeParameters.coordinates[0],
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result
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)
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) {
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reply.content += ("\"status\":207,");
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reply.content += ("\"mapped_coordinate\":[]");
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} else {
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//Write coordinate to stream
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reply.status = http::Reply::ok;
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reply.content += ("\"status\":0,");
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reply.content += ("\"mapped_coordinate\":");
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convertInternalLatLonToString(result.lat, tmp);
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reply.content += "[";
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reply.content += tmp;
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convertInternalLatLonToString(result.lon, tmp);
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reply.content += ",";
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reply.content += tmp;
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reply.content += "]";
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}
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reply.content += ",\"transactionId\": \"OSRM Routing Engine JSON Locate (v0.3)\"";
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reply.content += ("}");
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reply.headers.resize(3);
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if(!routeParameters.jsonpParameter.empty()) {
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reply.content += ")";
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reply.headers[1].name = "Content-Type";
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reply.headers[1].value = "text/javascript";
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reply.headers[2].name = "Content-Disposition";
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reply.headers[2].value = "attachment; filename=\"location.js\"";
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} else {
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reply.headers[1].name = "Content-Type";
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reply.headers[1].value = "application/x-javascript";
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reply.headers[2].name = "Content-Disposition";
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reply.headers[2].value = "attachment; filename=\"location.json\"";
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}
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reply.headers[0].name = "Content-Length";
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intToString(reply.content.size(), tmp);
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reply.headers[0].value = tmp;
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return;
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}
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private:
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std::string descriptor_string;
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DataFacadeT * facade;
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};
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#endif /* LOCATEPLUGIN_H_ */
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