Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/server/CSVExportServiceImpl.java @ 4488:5041105d2edd
Check if response code from GGInA is 200 OK
Only parse the GGInA response if the status code is 200 OK. This improves the
error message if GGInA is not available and shows the real reason instead of a
JDOM error while parsing the response.
author | Björn Ricks <bjoern.ricks@intevation.de> |
---|---|
date | Wed, 14 Nov 2012 10:36:21 +0100 |
parents | 1f2f08211a5f |
children |
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package de.intevation.flys.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 de.intevation.artifacts.common.ArtifactNamespaceContext; import de.intevation.artifacts.common.utils.XMLUtils; import de.intevation.artifacts.httpclient.http.HttpClient; import de.intevation.artifacts.httpclient.http.HttpClientImpl; import de.intevation.flys.client.shared.exceptions.ServerException; import de.intevation.flys.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 :