--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/de/intevation/lada/rest/exporter/JsonExportService.java	Mon Sep 05 10:19:23 2016 +0200
@@ -0,0 +1,107 @@
+/* Copyright (C) 2013 by Bundesamt fuer Strahlenschutz
+ * Software engineering by Intevation GmbH
+ *
+ * This file is Free Software under the GNU GPL (v>=3)
+ * and comes with ABSOLUTELY NO WARRANTY! Check out
+ * the documentation coming with IMIS-Labordaten-Application for details.
+ */
+package de.intevation.lada.rest.exporter;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.enterprise.context.RequestScoped;
+import javax.inject.Inject;
+import javax.json.JsonArray;
+import javax.json.JsonObject;
+import javax.servlet.http.HttpServletRequest;
+import javax.ws.rs.Consumes;
+import javax.ws.rs.POST;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.Context;
+
+import org.apache.commons.io.IOUtils;
+
+import de.intevation.lada.exporter.ExportConfig;
+import de.intevation.lada.exporter.ExportFormat;
+import de.intevation.lada.exporter.Exporter;
+import de.intevation.lada.util.annotation.AuthorizationConfig;
+import de.intevation.lada.util.auth.Authorization;
+import de.intevation.lada.util.auth.AuthorizationType;
+import de.intevation.lada.util.auth.UserInfo;
+import de.intevation.lada.util.rest.Response;
+
+/**
+ * REST service to export probe objects and the child objects associated with
+ * the selected Probe objects.
+ * <p>
+ * To request objects post a JSON formatted string with an array of probe ids.
+ * <pre>
+ * <code>
+ * {
+ *  "proben": [[number], [number], ...]
+ * }
+ * </code>
+ * </pre>
+ *
+ * @author <a href="mailto:rrenkert@intevation.de">Raimund Renkert</a>
+ */
+@Path("data/export")
+@RequestScoped
+public class JsonExportService {
+
+    /**
+     * The exporter.
+     */
+    @Inject
+    @ExportConfig(format=ExportFormat.JSON)
+    private Exporter exporter;
+
+    /**
+     * The authorization module.
+     */
+    @Inject
+    @AuthorizationConfig(type=AuthorizationType.HEADER)
+    private Authorization authorization;
+
+
+    /**
+     * Export Probe objects.
+     *
+     * The service takes JSON formatted  POST data containing probe ids and
+     * exports the Probe objects filtered by these ids.
+     *
+     * @param proben    JSON formatted string with an array of probe ids.
+     * @param header    The HTTP header containing authorization information.
+     * @return The LAF file to export.
+     */
+    @POST
+    @Path("/json")
+    @Consumes("application/json")
+    @Produces("application/json")
+    public String download(
+        JsonObject proben,
+        @Context HttpServletRequest request
+    ) {
+        JsonArray array = proben.getJsonArray("proben");
+        List<Integer> probeIds = new ArrayList<Integer>();
+        UserInfo userInfo = authorization.getInfo(request);
+        for (int i = 0; i < array.size(); i++) {
+            Integer probeId = array.getInt(i);
+            probeIds.add(probeId);
+        }
+        InputStream exported = exporter.export(probeIds, userInfo);
+        if (exported == null) {
+            return new Response(false, 600, null).toString();
+        }
+        try {
+            return IOUtils.toString(exported, "utf-8");
+        } catch (IOException e) {
+            return new Response(false, 600, null).toString();
+        }
+    }
+}
+