Mercurial > lada > lada-server
changeset 328:835eec282baa
New service for LAF export.
This service exports a single probe object identified by its id.
It is reachable via /server/rest/export/laf/$PROBEID.
author | Raimund Renkert <rrenkert@intevation.de> |
---|---|
date | Tue, 27 Aug 2013 09:47:07 +0200 |
parents | 891a2133cf46 |
children | 5c996cf50437 |
files | src/main/java/de/intevation/lada/rest/LAFExportService.java |
diffstat | 1 files changed, 97 insertions(+), 0 deletions(-) [+] |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/main/java/de/intevation/lada/rest/LAFExportService.java Tue Aug 27 09:47:07 2013 +0200 @@ -0,0 +1,97 @@ +package de.intevation.lada.rest; + +import java.io.BufferedOutputStream; +import java.io.File; +import java.io.InputStream; +import java.io.OutputStream; +import java.util.LinkedList; +import java.util.List; +import java.util.Map; + +import javax.enterprise.context.RequestScoped; +import javax.inject.Inject; +import javax.inject.Named; +import javax.ws.rs.Consumes; +import javax.ws.rs.GET; +import javax.ws.rs.POST; +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.HttpHeaders; +import javax.ws.rs.core.Response; +import javax.ws.rs.core.Response.ResponseBuilder; +import javax.ws.rs.core.Response.Status; + +import org.json.JSONException; +import org.json.JSONObject; + +import de.intevation.lada.auth.Authentication; +import de.intevation.lada.auth.AuthenticationException; +import de.intevation.lada.auth.AuthenticationResponse; +import de.intevation.lada.auth.Authorization; +import de.intevation.lada.data.exporter.Exporter; + +/** +* This class produces a RESTful service to export a LAF file. +* +* @author <a href="mailto:rrenkert@intevation.de">Raimund Renkert</a> +*/ +@Path("/export") +@RequestScoped +public class LAFExportService +{ + @Inject + @Named("ldapauth") + private Authentication authentication; + + @Inject + @Named("dataauthorization") + private Authorization authorization; + + @Inject + @Named("lafexporter") + private Exporter exporter; + /** + * Import LProbe object. + * See + * http://howtodoinjava.com/2013/05/21/jax-rs-resteasy-file-upload-httpclient-example/ + * for more details on the implementation. + * + * @param input MulitpartFormDataInput containing the file to upload. + * @param header The HTTP header containing authorization information. + * @return Response object. + */ + @GET + @Path("/laf/{id}") + @Produces("text/plain") + public Response download( + @PathParam("id") String probeId, + @Context HttpHeaders header + ) { + try { + String fileName = "export.laf"; + AuthenticationResponse auth = authentication.authorizedGroups(header); + if (!authentication.isAuthorizedUser(header)) { + ResponseBuilder response = Response.status(Status.FORBIDDEN); + return response.build(); + } + if (!authentication.hasAccess(header, probeId) || + !authorization.isReadOnly(probeId)) { + ResponseBuilder response = Response.status(Status.FORBIDDEN); + return response.build(); + } + InputStream exported = exporter.export(probeId, auth); + ResponseBuilder response = Response.ok((Object)exported); + response.header( + "Content-Disposition", + "attachment; filename=\"" + fileName + "\""); + return response.build(); + + } + catch(AuthenticationException ae) { + ResponseBuilder response = Response.status(Status.FORBIDDEN); + return response.build(); + } + } +}