do not register a default NumberFormatter (SPR-6490)

org.springframework.context/src/main/java/org/springframework/format/number/NumberFormatAnnotationFormatterFactory.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.format.number;
 
 import java.math.BigDecimal;
@@ -30,6 +31,7 @@ import org.springframework.format.annotation.NumberFormat.Style;
 
 /**
  * Formats fields annotated with the {@link NumberFormat} annotation.
+ *
  * @author Keith Donald
  * @since 3.0
  * @see NumberFormat
@@ -37,11 +39,13 @@ import org.springframework.format.annotation.NumberFormat.Style;
 public final class NumberFormatAnnotationFormatterFactory implements AnnotationFormatterFactory<NumberFormat> {
 
 	private final Set<Class<?>> fieldTypes;
-	
+
+
 	public NumberFormatAnnotationFormatterFactory() {
 		this.fieldTypes = Collections.unmodifiableSet(createFieldTypes());
 	}
 
+
 	public Set<Class<?>> getFieldTypes() {
 		return this.fieldTypes;
 	}
@@ -54,6 +58,7 @@ public final class NumberFormatAnnotationFormatterFactory implements AnnotationF
 		return configureFormatterFrom(annotation, fieldType);
 	}
 
+
 	// internal helpers
 	
 	private Set<Class<?>> createFieldTypes() {
@@ -71,16 +76,19 @@ public final class NumberFormatAnnotationFormatterFactory implements AnnotationF
 	private Formatter<Number> configureFormatterFrom(NumberFormat annotation, Class<?> fieldType) {
 		if (!annotation.pattern().isEmpty()) {
 			return new NumberFormatter(annotation.pattern());
-		} else {
+		}
+		else {
 			Style style = annotation.style();
 			if (style == Style.PERCENT) {
 				return new PercentFormatter();
-			} else if (style == Style.CURRENCY) {
+			}
+			else if (style == Style.CURRENCY) {
 				return new CurrencyFormatter();
-			} else {
+			}
+			else {
 				return new NumberFormatter();
 			}
 		}
 	}
 
-}
+}

org.springframework.context/src/main/java/org/springframework/format/number/NumberFormatter.java

@@ -38,18 +38,26 @@ public final class NumberFormatter extends AbstractNumberFormatter {
 
 	private String pattern;
 
+
+	/**
+	 * Create a new NumberFormatter without a pattern.
+	 */
 	public NumberFormatter() {
-		
 	}
 
+	/**
+	 * Create a new NumberFormatter with the specified pattern.
+	 * @param pattern the format pattern
+	 * @see #setPattern
+	 */
 	public NumberFormatter(String pattern) {
 		this.pattern = pattern;
 	}
 
+
 	/**
 	 * Sets the pattern to use to format number values.
 	 * If not specified, the default DecimalFormat pattern is used.
-	 * @param pattern the format pattern
 	 * @see DecimalFormat#applyPattern(String)
 	 */
 	public void setPattern(String pattern) {

org.springframework.context/src/main/java/org/springframework/format/support/FormattingConversionServiceFactoryBean.java

@@ -22,7 +22,6 @@ import org.springframework.core.convert.support.ConversionServiceFactory;
 import org.springframework.format.FormatterRegistry;
 import org.springframework.format.datetime.joda.JodaTimeFormattingConfigurer;
 import org.springframework.format.number.NumberFormatAnnotationFormatterFactory;
-import org.springframework.format.number.NumberFormatter;
 import org.springframework.util.ClassUtils;
 
 /**
@@ -50,9 +49,10 @@ public class FormattingConversionServiceFactoryBean
 		ConversionServiceFactory.addDefaultConverters(this.conversionService);
 		installFormatters(this.conversionService);
 	}
-	
+
+
 	// implementing FactoryBean
-	
+
 	public FormattingConversionService getObject() {
 		return this.conversionService;
 	}
@@ -67,14 +67,13 @@ public class FormattingConversionServiceFactoryBean
 
 
 	// subclassing hooks
-	
+
 	/**
 	 * Install Formatters and Converters into the new FormattingConversionService using the FormatterRegistry SPI.
 	 * Subclasses may override to customize the set of formatters and/or converters that are installed.
 	 */
 	protected void installFormatters(FormatterRegistry registry) {
-		registry.addFormatterForFieldType(Number.class, new NumberFormatter());
-		registry.addFormatterForFieldAnnotation(new NumberFormatAnnotationFormatterFactory());		
+		registry.addFormatterForFieldAnnotation(new NumberFormatAnnotationFormatterFactory());
 		if (jodaTimePresent) {
 			new JodaTimeFormattingConfigurer().installJodaTimeFormatting(registry);			
 		}