fixes #24

ExportGrailsPlugin.groovy

@@ -2,7 +2,7 @@ import org.apache.commons.logging.LogFactory
 
 class ExportGrailsPlugin {
     // the plugin version
-    def version = "1.7-SNAPSHOT"
+    def version = "1.6.1"
     // the version or versions of Grails the plugin is designed for
     def grailsVersion = "1.3 > *"
     // the other plugins this plugin depends on

src/groovy/de/andreasschmitt/export/exporter/AbstractExporter.groovy

@@ -1,10 +1,21 @@
 package de.andreasschmitt.export.exporter
 
+import grails.util.Holders
+
+import javax.annotation.PostConstruct
+
 /**
  * @author Andreas Schmitt
  * 
  */
 abstract class AbstractExporter implements Exporter {
+
+	Closure defaultFormatter
+
+	@PostConstruct
+	void postInit() {
+		defaultFormatter = Holders.getFlatConfig().get("export.defaultFormatter")?: ExportConstant.formatByType
+	}
 
 	List exportFields = [] 
 	Map labels = [:]
@@ -27,12 +38,14 @@ abstract class AbstractExporter implements Exporter {
 
 		return field
 	}
-	
-	protected Object formatValue(Object domain, Object object, String field){
-		if(formatters?.containsKey(field)){
+
+	protected Object formatValue(Object domain, Object object, String field) {
+		if (formatters?.containsKey(field)) {
 			return formatters[field].call(domain, object)
 		}
-
+		if (defaultFormatter) {
+			return defaultFormatter.call(domain, object, field)
+		}
 		return object
 	}
 

src/groovy/de/andreasschmitt/export/exporter/ExportConstant.groovy

@@ -0,0 +1,53 @@
+package de.andreasschmitt.export.exporter
+
+import groovy.transform.CompileStatic
+import org.apache.commons.lang.time.FastDateFormat
+import org.springframework.stereotype.Service
+
+import java.text.DecimalFormat
+import java.text.NumberFormat
+
+/**
+ * @author Andreas Schmitt
+ * @author sgirotti
+ *
+ */
+@CompileStatic
+@Service
+class ExportConstant {
+    public static final String TIME_FORMAT_PATTERN = "HH:mm:ss"
+    public static final String DATE_FORMAT_PATTERN = "dd/MM/yyyy"
+    public static final String DATE_TIME_FORMAT_PATTERN = DATE_FORMAT_PATTERN + " " + TIME_FORMAT_PATTERN
+    public static final FastDateFormat df = FastDateFormat.getInstance(DATE_FORMAT_PATTERN)
+    public static final FastDateFormat tf = FastDateFormat.getInstance(TIME_FORMAT_PATTERN)
+    public static final FastDateFormat dtf = FastDateFormat.getInstance(DATE_TIME_FORMAT_PATTERN)
+    public static final String DECIMAL_FORMAT_PATTERN = '#,##0.00000'
+    public static final DecimalFormat decf = new DecimalFormat(DECIMAL_FORMAT_PATTERN)
+    public static final NumberFormat intf = NumberFormat.getIntegerInstance()
+
+    static {
+		intf.setGroupingUsed(false)
+	}
+
+    public static final Closure formatByType = { Object domain, Object object, String field ->
+        switch (object) {
+            case Date:
+                return ExportConstant.df.format(object)
+                break
+            case BigDecimal:
+                BigDecimal bd = (BigDecimal) object
+                int bdScale = bd.scale()
+                if(bdScale>0){
+                    return ExportConstant.decf.format(object)
+                }
+                return ExportConstant.intf.format(object)
+                break
+            case Number:
+                return ExportConstant.intf.format(object)
+                break
+            default:
+                return object
+                break
+        }
+    }
+}