boolean formatter

spring-binding/src/main/java/org/springframework/binding/format/factories/BooleanFormatterFactory.java

@@ -0,0 +1,49 @@
+package org.springframework.binding.format.factories;
+
+import org.springframework.binding.format.Formatter;
+import org.springframework.binding.format.FormatterFactory;
+import org.springframework.binding.format.FormatterFactoryContext;
+import org.springframework.binding.format.InvalidFormatException;
+import org.springframework.util.StringUtils;
+
+public class BooleanFormatterFactory implements FormatterFactory {
+
+	public Class getFormattedClass() {
+		return Boolean.class;
+	}
+
+	public Formatter createFormatter(FormatterFactoryContext context) {
+		return new BooleanFormatter();
+	}
+
+	public static class BooleanFormatter implements Formatter {
+
+		public String formatValue(Object value) throws IllegalArgumentException {
+			if (value == null) {
+				return "";
+			}
+			if (Boolean.TRUE.equals(value)) {
+				return "true";
+			} else if (Boolean.FALSE.equals(value)) {
+				return "false";
+			} else {
+				throw new IllegalArgumentException("Must be a Boolean " + value);
+			}
+		}
+
+		public Object parseValue(String formattedString) throws InvalidFormatException {
+			formattedString = (formattedString != null ? formattedString.trim() : null);
+			if (!StringUtils.hasText(formattedString)) {
+				return null;
+			}
+			if (formattedString.equals("true")) {
+				return Boolean.TRUE;
+			} else if (formattedString.equals("false")) {
+				return Boolean.FALSE;
+			} else {
+				throw new InvalidFormatException(formattedString, "true | false");
+			}
+		}
+	}
+
+}

spring-faces/src/main/java/org/springframework/faces/config/FacesFlowBuilderServicesBeanDefinitionParser.java

@@ -20,6 +20,7 @@ import org.springframework.beans.factory.xml.AbstractSingleBeanDefinitionParser;
 import org.springframework.beans.factory.xml.BeanDefinitionParser;
 import org.springframework.binding.expression.el.DefaultExpressionFactoryUtils;
 import org.springframework.binding.format.FormatterRegistry;
+import org.springframework.binding.format.factories.BooleanFormatterFactory;
 import org.springframework.binding.format.factories.DateFormatterFactory;
 import org.springframework.binding.format.factories.NumberFormatterFactory;
 import org.springframework.binding.format.impl.FormatterRegistryImpl;
@@ -122,6 +123,7 @@ public class FacesFlowBuilderServicesBeanDefinitionParser extends AbstractSingle
 		FormatterRegistryImpl registry = new FormatterRegistryImpl();
 		registry.registerFormatter(new NumberFormatterFactory());
 		registry.registerFormatter(new DateFormatterFactory());
+		registry.registerFormatter(new BooleanFormatterFactory());
 		return registry;
 	}
 

spring-webflow/src/main/java/org/springframework/webflow/config/FlowBuilderServicesBeanDefinitionParser.java

@@ -8,6 +8,7 @@ import org.springframework.beans.factory.xml.BeanDefinitionParser;
 import org.springframework.beans.factory.xml.ParserContext;
 import org.springframework.binding.convert.support.DefaultConversionService;
 import org.springframework.binding.format.FormatterRegistry;
+import org.springframework.binding.format.factories.BooleanFormatterFactory;
 import org.springframework.binding.format.factories.DateFormatterFactory;
 import org.springframework.binding.format.factories.NumberFormatterFactory;
 import org.springframework.binding.format.impl.FormatterRegistryImpl;
@@ -116,6 +117,7 @@ class FlowBuilderServicesBeanDefinitionParser extends AbstractSingleBeanDefiniti
 		FormatterRegistryImpl registry = new FormatterRegistryImpl();
 		registry.registerFormatter(new NumberFormatterFactory());
 		registry.registerFormatter(new DateFormatterFactory());
+		registry.registerFormatter(new BooleanFormatterFactory());
 		return registry;
 	}