Mercurial > lada > lada-server
comparison src/main/java/de/intevation/lada/rest/LAFExportService.java @ 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 | |
| children | 5c996cf50437 |
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| 327:891a2133cf46 | 328:835eec282baa |
|---|---|
| 1 package de.intevation.lada.rest; | |
| 2 | |
| 3 import java.io.BufferedOutputStream; | |
| 4 import java.io.File; | |
| 5 import java.io.InputStream; | |
| 6 import java.io.OutputStream; | |
| 7 import java.util.LinkedList; | |
| 8 import java.util.List; | |
| 9 import java.util.Map; | |
| 10 | |
| 11 import javax.enterprise.context.RequestScoped; | |
| 12 import javax.inject.Inject; | |
| 13 import javax.inject.Named; | |
| 14 import javax.ws.rs.Consumes; | |
| 15 import javax.ws.rs.GET; | |
| 16 import javax.ws.rs.POST; | |
| 17 import javax.ws.rs.Path; | |
| 18 import javax.ws.rs.PathParam; | |
| 19 import javax.ws.rs.Produces; | |
| 20 import javax.ws.rs.core.Context; | |
| 21 import javax.ws.rs.core.HttpHeaders; | |
| 22 import javax.ws.rs.core.Response; | |
| 23 import javax.ws.rs.core.Response.ResponseBuilder; | |
| 24 import javax.ws.rs.core.Response.Status; | |
| 25 | |
| 26 import org.json.JSONException; | |
| 27 import org.json.JSONObject; | |
| 28 | |
| 29 import de.intevation.lada.auth.Authentication; | |
| 30 import de.intevation.lada.auth.AuthenticationException; | |
| 31 import de.intevation.lada.auth.AuthenticationResponse; | |
| 32 import de.intevation.lada.auth.Authorization; | |
| 33 import de.intevation.lada.data.exporter.Exporter; | |
| 34 | |
| 35 /** | |
| 36 * This class produces a RESTful service to export a LAF file. | |
| 37 * | |
| 38 * @author <a href="mailto:rrenkert@intevation.de">Raimund Renkert</a> | |
| 39 */ | |
| 40 @Path("/export") | |
| 41 @RequestScoped | |
| 42 public class LAFExportService | |
| 43 { | |
| 44 @Inject | |
| 45 @Named("ldapauth") | |
| 46 private Authentication authentication; | |
| 47 | |
| 48 @Inject | |
| 49 @Named("dataauthorization") | |
| 50 private Authorization authorization; | |
| 51 | |
| 52 @Inject | |
| 53 @Named("lafexporter") | |
| 54 private Exporter exporter; | |
| 55 /** | |
| 56 * Import LProbe object. | |
| 57 * See | |
| 58 * http://howtodoinjava.com/2013/05/21/jax-rs-resteasy-file-upload-httpclient-example/ | |
| 59 * for more details on the implementation. | |
| 60 * | |
| 61 * @param input MulitpartFormDataInput containing the file to upload. | |
| 62 * @param header The HTTP header containing authorization information. | |
| 63 * @return Response object. | |
| 64 */ | |
| 65 @GET | |
| 66 @Path("/laf/{id}") | |
| 67 @Produces("text/plain") | |
| 68 public Response download( | |
| 69 @PathParam("id") String probeId, | |
| 70 @Context HttpHeaders header | |
| 71 ) { | |
| 72 try { | |
| 73 String fileName = "export.laf"; | |
| 74 AuthenticationResponse auth = authentication.authorizedGroups(header); | |
| 75 if (!authentication.isAuthorizedUser(header)) { | |
| 76 ResponseBuilder response = Response.status(Status.FORBIDDEN); | |
| 77 return response.build(); | |
| 78 } | |
| 79 if (!authentication.hasAccess(header, probeId) || | |
| 80 !authorization.isReadOnly(probeId)) { | |
| 81 ResponseBuilder response = Response.status(Status.FORBIDDEN); | |
| 82 return response.build(); | |
| 83 } | |
| 84 InputStream exported = exporter.export(probeId, auth); | |
| 85 ResponseBuilder response = Response.ok((Object)exported); | |
| 86 response.header( | |
| 87 "Content-Disposition", | |
| 88 "attachment; filename=\"" + fileName + "\""); | |
| 89 return response.build(); | |
| 90 | |
| 91 } | |
| 92 catch(AuthenticationException ae) { | |
| 93 ResponseBuilder response = Response.status(Status.FORBIDDEN); | |
| 94 return response.build(); | |
| 95 } | |
| 96 } | |
| 97 } |