diff gnv-artifacts/src/main/java/de/intevation/gnv/state/profile/horizontalcrosssection/HorizontalCrossSectionMeshOutputState.java @ 335:e964a3d8f7bc

Some Refactoring work done. Moved Transition to State gnv-artifacts/trunk@401 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Tim Englich <tim.englich@intevation.de>
date Tue, 08 Dec 2009 08:39:03 +0000
parents
children 2e43542e6a11
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gnv-artifacts/src/main/java/de/intevation/gnv/state/profile/horizontalcrosssection/HorizontalCrossSectionMeshOutputState.java	Tue Dec 08 08:39:03 2009 +0000
@@ -0,0 +1,143 @@
+/**
+ *
+ */
+package de.intevation.gnv.state.profile.horizontalcrosssection;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.io.UnsupportedEncodingException;
+import java.util.Collection;
+import java.util.Iterator;
+import java.util.Locale;
+
+import org.apache.log4j.Logger;
+
+import au.com.bytecode.opencsv.CSVWriter;
+import de.intevation.gnv.chart.Chart;
+import de.intevation.gnv.chart.ChartLabels;
+import de.intevation.gnv.geobackend.base.Result;
+import de.intevation.gnv.state.exception.StateException;
+import de.intevation.gnv.state.timeseries.TimeSeriesOutputState;
+import de.intevation.gnv.statistics.Statistics;
+
+/**
+ * @author Tim Englich <tim.englich@intevation.de>
+ * 
+ */
+public class HorizontalCrossSectionMeshOutputState 
+                                      extends TimeSeriesOutputState {
+
+    private static Logger log = Logger
+    .getLogger(HorizontalCrossSectionMeshOutputState.class);
+    
+    /**
+     * The UID of this Class
+     */
+    private static final long serialVersionUID = 3233620652465061860L;
+
+    /**
+     * Constructor
+     */
+    public HorizontalCrossSectionMeshOutputState() {
+        super();
+        super.domainLable = "Latitude [m]";
+    }
+
+    @Override
+    protected Chart getChart(
+        ChartLabels  chartLables,
+        Collection   parameters,
+        Collection   measurements,
+        Collection   dates,
+        Collection   result,
+        Locale       locale,
+        String       uuid,
+        boolean      linesVisible,
+        boolean      shapesVisible
+    ) {
+        Chart chart = null;
+
+        if (CACHE_CHART) {
+            log.info("Try to get horizontalcrosssection chart from cache.");
+            chart = (Chart) getChartFromCache(uuid);
+        }
+
+        if (chart != null)
+            return chart;
+
+        log.info("Chart not in cache yet.");
+        
+        log.warn("This sort of chart is not implemented yet.");
+        /* TODO Implement a special chart for this sort of charts.
+        chart = new HorizontalProfileChart(
+            chartLables,
+            chartTheme,
+            parameters,
+            measurements,
+            result,
+            dates,
+            locale
+        );
+        chart.generateChart();
+
+        if (CACHE_CHART) {
+            log.info("Put chart into cache.");
+            purifyChart(chart, uuid);
+        }
+        */
+
+        return chart;
+    }
+
+
+    /**
+     * @see de.intevation.gnv.state.timeseries.TimeSeriesOutputState#getStatisticsGenerator()
+     */
+    @Override
+    protected Statistics getStatisticsGenerator() {
+        return null; //Statistiken werden nicht für diesen Out-Typ unterstützt.
+    }
+    
+    /**
+     * @see de.intevation.gnv.state.timeseries.TimeSeriesOutputState#createCSV(java.io.OutputStream,
+     *      java.util.Collection)
+     */
+    @Override
+    protected void createCSV(OutputStream outputStream,
+                             Collection<Result> chartResult)
+                                            throws UnsupportedEncodingException,
+                                                   IOException,
+                                                   StateException {
+        if (chartResult != null) {
+            try {
+                CSVWriter writer = new CSVWriter(new OutputStreamWriter(
+                        outputStream, "ISO-8859-1"), ','); 
+                // USE THIS ENCODING BECAUSE OF
+                // PROBLEMS WITH EXCEL AND UTF-8
+                Iterator<Result> it = chartResult.iterator();
+                while (it.hasNext()) {
+                    Result result = it.next();
+                    int i = 0;
+                    String[] entries = new String[5];
+                    entries[i++] = result.getString("SHAPE");
+                    entries[i++] = result.getString("YORDINATE");
+                    entries[i++] = result.getString("IPOSITION");
+                    entries[i++] = result.getString("JPOSITION");
+                    entries[i++] = result.getString("KPOSITION");
+                    writer.writeNext(entries);
+                }
+                writer.close();
+            } catch (Exception e) {
+                log.error(e,e);
+                throw new StateException(
+                "Exception occured while parsing an Point from WKT.");
+            }
+        } else {
+            log.error("No Data given for generating an CSV-File.");
+            throw new StateException(
+                    "No Data given for generating an CSV-File.");
+        }
+    }
+
+}

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