default config for web binding initializer and formatting/conversion system w/ mvc namespace

org.springframework.context/src/main/java/org/springframework/format/annotation/DateTimeFormat.java

@@ -25,7 +25,7 @@ import java.lang.annotation.Target;
  * @author Keith Donald
  * @since 3.0
  */
-@Target( { ElementType.METHOD, ElementType.FIELD })
+@Target( { ElementType.METHOD, ElementType.FIELD, ElementType.PARAMETER })
 @Retention(RetentionPolicy.RUNTIME)
 public @interface DateTimeFormat {
 

org.springframework.context/src/main/java/org/springframework/format/annotation/ISODateTimeFormat.java

@@ -25,7 +25,7 @@ import java.lang.annotation.Target;
  * @author Keith Donald
  * @since 3.0
  */
-@Target( { ElementType.METHOD, ElementType.FIELD })
+@Target( { ElementType.METHOD, ElementType.FIELD, ElementType.PARAMETER })
 @Retention(RetentionPolicy.RUNTIME)
 public @interface ISODateTimeFormat {
 

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

@@ -0,0 +1,76 @@
+/*
+ * Copyright 2002-2009 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.format.support;
+
+import org.springframework.beans.factory.FactoryBean;
+import org.springframework.beans.factory.InitializingBean;
+import org.springframework.core.convert.ConversionService;
+import org.springframework.format.datetime.joda.JodaTimeFormattingConfigurer;
+import org.springframework.util.ClassUtils;
+
+/**
+ * A factory for a FormattingConversionService that installs default formatters for common types such as numbers and datetimes.
+ * @author Keith Donald
+ * @since 3.0
+ */
+public class FormattingConversionServiceFactoryBean implements FactoryBean<ConversionService>, InitializingBean {
+
+	private ConversionService parent;
+	
+	private FormattingConversionService conversionService;
+	
+	public void setParent(ConversionService parent) {
+		this.parent = parent;
+	}	
+	
+	// implementing InitializingBean
+	
+	public void afterPropertiesSet() {
+		initConversionService();
+		installJodaTimeFormattingIfPresent();
+	}
+	
+	// implementing FactoryBean
+	
+	public ConversionService getObject() {
+		return this.conversionService;
+	}
+
+	public Class<? extends ConversionService> getObjectType() {
+		return ConversionService.class;
+	}
+
+	public boolean isSingleton() {
+		return true;
+	}
+
+	// internal helpers
+	
+	private void initConversionService() {
+		if (this.parent != null) {
+			this.conversionService = new FormattingConversionService(this.parent);
+		} else {
+			this.conversionService = new FormattingConversionService();
+		}
+	}
+	
+	private void installJodaTimeFormattingIfPresent() {
+		if (ClassUtils.isPresent("org.joda.time.DateTime", FormattingConversionService.class.getClassLoader())) {
+			new JodaTimeFormattingConfigurer().installJodaTimeFormatting(this.conversionService);			
+		}
+	}
+	
+}