--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gwt-client/src/main/java/org/dive4elements/river/client/server/CSVExportServiceImpl.java	Thu Apr 25 15:23:37 2013 +0200
@@ -0,0 +1,96 @@
+package org.dive4elements.river.client.server;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import java.io.Reader;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.IOException;
+
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+
+import org.apache.log4j.Logger;
+
+import com.google.gwt.user.server.rpc.RemoteServiceServlet;
+
+import au.com.bytecode.opencsv.CSVReader;
+
+import org.dive4elements.artifacts.common.ArtifactNamespaceContext;
+import org.dive4elements.artifacts.common.utils.XMLUtils;
+
+import org.dive4elements.artifacts.httpclient.http.HttpClient;
+import org.dive4elements.artifacts.httpclient.http.HttpClientImpl;
+
+import org.dive4elements.river.client.shared.exceptions.ServerException;
+import org.dive4elements.river.client.client.services.CSVExportService;
+
+
+/**
+ * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
+ */
+public class CSVExportServiceImpl
+extends      RemoteServiceServlet
+implements   CSVExportService
+{
+    private static final Logger logger =
+        Logger.getLogger(CSVExportServiceImpl.class);
+
+
+    public static final String ERROR_NO_EXPORT_FOUND =
+        "error_no_export_found";
+
+    public List<String[]> getCSV(
+        String locale,
+        String uuid,
+        String name)
+    throws ServerException
+    {
+        logger.info("CSVExportServiceImpl.getCSV");
+
+        String url  = getServletContext().getInitParameter("server-url");
+
+        Document requestDoc = XMLUtils.newDocument();
+
+        XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator(
+            requestDoc,
+            ArtifactNamespaceContext.NAMESPACE_URI,
+            ArtifactNamespaceContext.NAMESPACE_PREFIX);
+
+        Element action = ec.create("action");
+        ec.addAttr(action, "type", "csv", true);
+        ec.addAttr(action, "name", name, true);
+
+        requestDoc.appendChild(action);
+
+        HttpClient client = new HttpClientImpl(url, locale);
+
+        try {
+            InputStream in = client.collectionOut(requestDoc, uuid, "export");
+            Reader reader       = new InputStreamReader (in, "UTF-8");
+            CSVReader csvReader = new CSVReader (reader);
+
+            List<String[]> lines = new ArrayList<String[]>();
+            String[]       line  = null;
+
+            while ((line = csvReader.readNext()) != null) {
+                if (line != null) {
+                    if (!line[0].startsWith("#") && line.length > 0) {
+                        if (line[0].replace("'", "").length() > 0) {
+                            lines.add(line);
+                        }
+                    }
+                }
+            }
+
+            return lines;
+        }
+        catch (IOException ce) {
+            logger.error(ce.getLocalizedMessage());
+        }
+
+        throw new ServerException(ERROR_NO_EXPORT_FOUND);
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :