method invoking formatter as a convenience

org.springframework.context/src/test/java/org/springframework/ui/format/support/GenericFormatterRegistryTests.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.ui.format;
+package org.springframework.ui.format.support;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNull;
@@ -33,6 +33,9 @@ import org.junit.Test;
 import org.springframework.core.convert.TypeDescriptor;
 import org.springframework.core.convert.support.DefaultConversionService;
 import org.springframework.core.style.ToStringCreator;
+import org.springframework.ui.format.AnnotationFormatterFactory;
+import org.springframework.ui.format.Formatted;
+import org.springframework.ui.format.Formatter;
 import org.springframework.ui.format.number.CurrencyFormatter;
 import org.springframework.ui.format.number.IntegerFormatter;
 import org.springframework.ui.format.support.GenericFormatterRegistry;

org.springframework.context/src/test/java/org/springframework/ui/format/support/MethodInvokingFormatterTests.java

@@ -0,0 +1,75 @@
+package org.springframework.ui.format.support;
+
+import static org.junit.Assert.assertEquals;
+
+import java.util.Locale;
+
+import org.junit.Test;
+import org.springframework.ui.format.support.MethodInvokingFormatter;
+
+public class MethodInvokingFormatterTests {
+
+	private MethodInvokingFormatter formatter = new MethodInvokingFormatter(AccountNumber.class, "getFormatted",
+			"valueOf");
+
+	private MethodInvokingFormatter formatter2 = new MethodInvokingFormatter(I8nAccountNumber.class, "getFormatted",
+			"valueOf");
+
+	@Test
+	public void testFormat() {
+		assertEquals("123456789", formatter.format(new AccountNumber(123456789L), null));
+	}
+
+	@Test
+	public void testParse() {
+		assertEquals(new Long(123456789), ((AccountNumber) formatter.parse("123456789", null)).number);
+	}
+
+	@Test
+	public void testFormatI18n() {
+		assertEquals("123456789", formatter2.format(new I8nAccountNumber(123456789L), Locale.GERMAN));
+	}
+
+	@Test
+	public void testParseI18n() {
+		assertEquals(new Long(123456789), ((I8nAccountNumber) formatter2.parse("123456789", Locale.GERMAN)).number);
+	}
+
+	public static class AccountNumber {
+
+		private Long number;
+
+		public AccountNumber(Long number) {
+			this.number = number;
+		}
+
+		public String getFormatted() {
+			return number.toString();
+		}
+
+		public static AccountNumber valueOf(String str) {
+			return new AccountNumber(Long.valueOf(str));
+		}
+
+	}
+
+	public static class I8nAccountNumber {
+
+		private Long number;
+
+		public I8nAccountNumber(Long number) {
+			this.number = number;
+		}
+
+		public String getFormatted(Locale locale) {
+			assertEquals(Locale.GERMAN, locale);
+			return number.toString();
+		}
+
+		public static I8nAccountNumber valueOf(String str, Locale locale) {
+			assertEquals(Locale.GERMAN, locale);
+			return new I8nAccountNumber(Long.valueOf(str));
+		}
+
+	}
+}