# HG changeset patch
# User Felix Wolfsteller <felix.wolfsteller@intevation.de>
# Date 1330941210 0
# Node ID 475dd07c2cb1ede7e6e69935dd7cd7b3a0140d9e
# Parent  3598690dc9e2389d4446cb80dfffc6350df8b9e0
New utility to handle more dynamically long csv exported rows.

flys-artifacts/trunk@4113 c6561f87-3c4e-4783-a992-168aeb5c3f6f

diff -r 3598690dc9e2 -r 475dd07c2cb1 flys-artifacts/ChangeLog
--- a/flys-artifacts/ChangeLog	Thu Mar 01 14:52:15 2012 +0000
+++ b/flys-artifacts/ChangeLog	Mon Mar 05 09:53:30 2012 +0000
@@ -1,3 +1,8 @@
+2012-03-05	Felix Wolfsteller	<felix.wolfsteller@intevation.de>
+
+	* src/main/java/de/intevation/flys/exports/StepCSVWriter.java:
+	  New utility to handle csv rows of more "dynamical" length.
+
 2012-03-01	Felix Wolfsteller	<felix.wolfsteller@intevation.de>
 
 	Fix flys/issue501 (manual points have two legend entries).
diff -r 3598690dc9e2 -r 475dd07c2cb1 flys-artifacts/src/main/java/de/intevation/flys/exports/StepCSVWriter.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/exports/StepCSVWriter.java	Mon Mar 05 09:53:30 2012 +0000
@@ -0,0 +1,51 @@
+package de.intevation.flys.exports;
+
+import au.com.bytecode.opencsv.CSVWriter;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+
+/**
+ * Class to overcome shortcoming of CSVWriter to accept String-Arrays only.
+ * The StepCSVWriter buffers incoming values, such that rows in a csv can be
+ * created more dynamically. Do not forget to call flush().
+ */
+public class StepCSVWriter {
+
+    /** Writer to use when calling flush. */
+    CSVWriter writer = null;
+    /** Buffer of strings (values). */
+    ArrayList<String> buffer;
+
+
+    /** Trivial constructor. */
+    public StepCSVWriter() {
+        buffer = new ArrayList<String>();
+    }
+
+
+    /** Set writer. */
+    public void setCSVWriter(CSVWriter writer) {
+        this.writer = writer;
+    }
+
+
+    /** Add a value to next flush. */
+    public void addNext(String value) {
+        buffer.add(value);
+    }
+
+
+    /** Add many values to next flush. */
+    public void addNexts(String ... values) {
+        buffer.addAll(Arrays.asList(values));
+    }
+
+
+    /** Write the row with csvwriter. */
+    public void flush() {
+        writer.writeNext(buffer.toArray(new String[buffer.size()]));
+        buffer.clear();
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :