Mercurial > lada > lada-server
view src/main/java/de/intevation/lada/rest/LProbeService.java @ 81:8830934533b5
Set correct response when loading a probe.
author | Torsten Irländer <torsten.irlaender@intevation.de> |
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date | Fri, 07 Jun 2013 14:29:27 +0200 |
parents | 75d42f8063f8 |
children | bd41680cc7d5 |
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package de.intevation.lada.rest; import java.util.List; import java.util.Map; import java.util.logging.Logger; import javax.enterprise.context.RequestScoped; import javax.inject.Inject; import javax.ws.rs.Consumes; import javax.ws.rs.GET; import javax.ws.rs.POST; import javax.ws.rs.PUT; import javax.ws.rs.Path; import javax.ws.rs.PathParam; import javax.ws.rs.Produces; import javax.ws.rs.core.Context; import javax.ws.rs.core.MultivaluedMap; import javax.ws.rs.core.UriInfo; import de.intevation.lada.data.LProbeRepository; import de.intevation.lada.model.LProbe; /** * This class produces a RESTful service to read the contents of LProbe table. * * @author <a href="mailto:rrenkert@intevation.de">Raimund Renkert</a> */ @Path("/proben") @RequestScoped public class LProbeService { /** * The Repository for LProbe. */ @Inject private LProbeRepository repository; /** * The logger for this class. */ @Inject private Logger log; /** * Request a LProbe via its id. * * @param id The LProbe id * @return JSON Object via REST service. */ @GET @Path("/{id}") @Produces("text/json") public Response findById(@PathParam("id") String id) { boolean success = true; LProbe item = repository.findById(LProbe.class, id); if (item == null) { success = false; } Response response = new Response(success, repository.getGeneralError(), item); response.setWarnings(repository.getWarnings()); response.setErrors(repository.getErrors()); return response; } /** * Request LProbe via a filter. * * Query parameters are used for the filter in form of key-value pairs. * This filter can take the three parameters * mst=$MSTID (String) * uwb=$UWBID (String) * begin=$PROBEENTNAHMEBEGIN (Timestamp) * * @param info The URL query parameters. * @return JSON Object via Rest service. */ @GET @Produces("text/json") public Response filter(@Context UriInfo info) { MultivaluedMap<String, String> params = info.getQueryParameters(); if (params.isEmpty()) { List<LProbe> items = repository.findAll(LProbe.class); return new Response(true, "200", items); } String mstId = ""; String uwbId = ""; Long begin = null; if (params.containsKey("mst")) { mstId = params.getFirst("mst"); } if (params.containsKey("uwb")) { uwbId = params.getFirst("uwb"); } if (params.containsKey("begin")) { String tmp = params.getFirst("begin"); try { begin = Long.valueOf(tmp); } catch (NumberFormatException nfe) { begin = null; } } List<LProbe> items = repository.filter(mstId, uwbId, begin); return new Response(true, "200", items); } @PUT @Path("/{id}") @Produces("text/json") @Consumes("application/json") public String update(LProbe probe) { return "{success: false, errors: {probeId: \"Client not found\"}}"; } @POST @Produces("text/json") @Consumes("application/json") public String create(LProbe probe) { boolean success = repository.create(probe); int generalError = repository.getGeneralError(); if(success) { return "{" + "success: true, " + "message: \"" + generalError + "\", " + "errors: {" + createErrorFields() + "}, " + "warnings: {" + createWarningFields() + "}" + "}"; } else { return "{" + "success: false, " + "message: \"" + generalError + "\", " + "errors: {" + createErrorFields() + "}, " + "warnings: {" + createWarningFields() + "}" + "}"; } } private String createWarningFields() { Map<String, Integer> warnings = repository.getWarnings(); String response = ""; if (warnings == null || warnings.isEmpty()) { return response; } boolean first = true; for (Map.Entry<String, Integer> entry: warnings.entrySet()) { if (!first) { response +=","; } response += entry.getKey() + ":" + "\"" + entry.getValue() + "\""; first = false; } return response; } private String createErrorFields() { Map<String, Integer> errors = repository.getErrors(); String response = ""; if (errors.isEmpty()) { return response; } boolean first = true; for (Map.Entry<String, Integer> entry: errors.entrySet()) { if (!first) { response +=","; } response += entry.getKey() + ":" + "\"" + entry.getValue() + "\""; first = false; } return response; } }