[Dive4elements-commits] [PATCH 1 of 2] AbstractExporter: keep km-, w- and q-formatter instances

[Wald Commits]

# HG changeset patch
# User Felix Wolfsteller <felix.wolfsteller at intevation.de>
# Date 1361962232 -3600
# Node ID 4898376c680b91d947c575f8b7ac9f124bec2028
# Parent  cf50783542a19260a26001f3d1e15f0c77bc5ee1
AbstractExporter: keep km-, w- and q-formatter instances.

diff -r cf50783542a1 -r 4898376c680b flys-artifacts/src/main/java/de/intevation/flys/exports/AbstractExporter.java
--- a/flys-artifacts/src/main/java/de/intevation/flys/exports/AbstractExporter.java	Wed Feb 27 10:33:13 2013 +0100
+++ b/flys-artifacts/src/main/java/de/intevation/flys/exports/AbstractExporter.java	Wed Feb 27 11:50:32 2013 +0100
@@ -74,6 +74,12 @@
     /** The master artifact. */
     protected Artifact master;
 
+    private NumberFormat kmFormat;
+
+    private NumberFormat wFormat;
+
+    private NumberFormat qFormat;
+
 
     /**
      * Concrete subclasses need to use this method to write their special data
@@ -301,7 +307,10 @@
      * @return the number formatter for kilometer values.
      */
     protected NumberFormat getKmFormatter() {
-        return Formatter.getWaterlevelKM(context);
+        if (kmFormat == null) {
+            kmFormat = Formatter.getWaterlevelKM(context);
+        }
+        return kmFormat;
     }
 
 
@@ -311,7 +320,10 @@
      * @return the number formatter for W values.
      */
     protected NumberFormat getWFormatter() {
-        return Formatter.getWaterlevelW(context);
+        if (wFormat == null) {
+            wFormat = Formatter.getWaterlevelW(context);
+        }
+        return wFormat;
     }
 
 
@@ -321,7 +333,10 @@
      * @return the number formatter for Q values.
      */
     protected NumberFormat getQFormatter() {
-        return Formatter.getWaterlevelQ(context);
+        if (qFormat == null) {
+            qFormat = Formatter.getWaterlevelQ(context);
+        }
+        return qFormat;
     }
 }
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