Mercurial > dive4elements > gnv-client
view gnv/src/main/java/de/intevation/gnv/action/DoExportAction.java @ 966:13de46229f63
I18N of links to insert example linestrings/polygons (issue272).
gnv/trunk@1123 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Tue, 25 May 2010 14:30:25 +0000 |
parents | 89ade245ca7a |
children | 33198e55371c |
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package de.intevation.gnv.action; import de.intevation.gnv.action.sessionmodel.SessionModel; import de.intevation.gnv.action.sessionmodel.SessionModelFactory; import de.intevation.gnv.artifactdatabase.client.ArtifactDatabaseClient; import de.intevation.gnv.artifactdatabase.client.ArtifactDatabaseClientFactory; import de.intevation.gnv.artifactdatabase.objects.DefaultInputParameter; import de.intevation.gnv.artifactdatabase.objects.ExportMode; import de.intevation.gnv.artifactdatabase.objects.InputParameter; import de.intevation.gnv.artifactdatabase.objects.OutputMode; import de.intevation.gnv.artifactdatabase.objects.OutputParameter; import java.io.OutputStream; import java.util.ArrayList; import java.util.Collection; import java.util.Iterator; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.log4j.Logger; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionForward; import org.apache.struts.action.ActionMapping; /** * This controller is called to trigger an export (e.g. pdf, svg, image). A * 'save-file' dialog is opened to save the export. * * @author <a href="mailto:tim.englich@intevation.de">Tim Englich</a> */ public class DoExportAction extends ArtifactDatabaseActionBase { /** * the logger, used to log exceptions and additonaly information */ private static Logger log = Logger.getLogger(DoExportAction.class); /** * Constructor */ public DoExportAction() { super(); } @Override public ActionForward execute( ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { try { String target = request.getParameter("target"); String mimeType = request.getParameter("mimetype"); String mode = request.getParameter("mode"); log.debug("Target: " + target); log.debug("MimeType: " + mimeType); log.debug("ExportMode: " + mode); SessionModel sm = SessionModelFactory.getInstance() .getSessionModel(request); OutputMode outputMode = sm.getOutputMode(target); if (outputMode != null) { ExportMode exportMode = outputMode.getExportMode(mode); if (target.equals(mode) || (exportMode != null && exportMode.getMimeType().equals(mimeType))) { Collection<OutputParameter> inputParameter = outputMode .getOutputParameters(); Collection<InputParameter> ips = null; if (inputParameter != null) { ips = new ArrayList<InputParameter>(inputParameter.size()); Iterator<OutputParameter> it = inputParameter.iterator(); while (it.hasNext()) { String name = it.next().getName(); String[] values = request.getParameterValues(name); InputParameter ip = new DefaultInputParameter(name, values); ips.add(ip); } } ArtifactDatabaseClient adc = ArtifactDatabaseClientFactory .getInstance() .getArtifactDatabaseClient(getLocale(request)); this.setHeaders(mode, mimeType, response, request); OutputStream outputStream = response.getOutputStream(); adc.doOutput( sm.getSelectedArtifactFactory(), sm.getCurrentArtifact(), outputStream, target, mode, mimeType, ips); outputStream.flush(); outputStream.close(); } else if (exportMode == null) { Collection<OutputParameter> inputParameter = outputMode .getOutputParameters(); Collection<InputParameter> ips = null; if (inputParameter != null) { ips = new ArrayList<InputParameter>(inputParameter.size()); Iterator<OutputParameter> it = inputParameter.iterator(); while (it.hasNext()) { String name = it.next().getName(); String[] values = request.getParameterValues(name); InputParameter ip = new DefaultInputParameter(name, values); ips.add(ip); } } ArtifactDatabaseClient adc = ArtifactDatabaseClientFactory .getInstance() .getArtifactDatabaseClient(getLocale(request)); this.setHeaders(target, mimeType, response, request); OutputStream outputStream = response.getOutputStream(); adc.doOutput( sm.getSelectedArtifactFactory(), sm.getCurrentArtifact(), outputStream, target, mode, mimeType, ips); outputStream.flush(); outputStream.close(); } else { if (outputMode == null) { log.error("Outputmode is not supported."); } else if (!exportMode.getMimeType().equals(mimeType)) { log.error("MimeType "+mimeType+" wis not supported."); } // TODO FIXME: Fehlerbehandlung } } return super.execute(mapping, form, request, response); } catch (Exception e) { log.error(e, e); request.setAttribute( CommunicationKeys.REQUEST_EXCEPTION_MESSAGE_ID, e .getMessage()); return super.getExceptionForward(mapping); } } protected void setHeaders(String target, String mimeType, HttpServletResponse response, HttpServletRequest request) { log.debug("DoExportAction.setHeaders"); try { response.setHeader("Content-Type", mimeType); String fileName = "GNVEXPORT_" + System.currentTimeMillis() + "."; target = target.toLowerCase(); log.debug("******************************************************"); log.debug("TARGET: " + target); log.debug("MIMETYPE: " + mimeType); if (target.equals("chart")) { fileName = fileName + mimeType.substring(mimeType.indexOf("/") + 1); } else if (target.equals("histogram")) { fileName = fileName + mimeType.substring(mimeType.indexOf("/") + 1); } else if (target.equals("img")) { fileName = fileName + mimeType.substring(mimeType.indexOf("/") + 1); } else if (target.equals("pdf")) { fileName = fileName + "pdf"; } else if (target.equals("svg")) { fileName = fileName + "svg"; } else if (target.equals("csv")) { fileName = fileName + "csv"; } else if (target.equals("zip")) { fileName = fileName + "zip"; } else if (target.equals("wms")) { fileName = fileName + "xml"; } else { fileName = fileName + "txt"; } log.debug("FileName for Export: " + fileName); response.setHeader("Content-Disposition", "attachment;filename=" + fileName); } catch (Exception e) { log.error(e, e); } } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :