message argument accessor - thanks andy

git-svn-id: https://src.springframework.org/svn/spring-framework/trunk@1392 50f2f4bb-b051-0410-bef5-90022cba6387

org.springframework.context/src/main/java/org/springframework/ui/lifecycle/WebBindAndValidateLifecycle.java

@@ -56,15 +56,20 @@ public class WebBindAndValidateLifecycle {
 			// TODO get validation results
 			validator.validate(binder.getModel(), bindingResults.successes().properties());
 		}
+		// TODO make message translation pluggable
 		MessageBuilder builder = new MessageBuilder();
 		for (BindingResult result : bindingResults.failures()) {
-			MessageResolver message = builder.code(modelPropertyError(result)).code(propertyError(result)).code(
-					typeError(result)).code(error(result)).resolvableArg("label", getModelProperty(result)).arg(
-					"value", result.getUserValue()).
-					// TODO add binding el resolver allowing binding.format to be called
-					arg("binding", binder.getBinding(result.getProperty())).
-					// TODO allow binding result to contribute additional arguments
-					build();
+			MessageResolver message = builder.
+				code(modelPropertyError(result)).
+				code(propertyError(result)).
+				code(typeError(result)).
+				code(error(result)).
+				resolvableArg("label", getModelProperty(result)).
+				arg("value", result.getUserValue()).
+				// TODO add binding el resolver allowing binding.format to be called
+				arg("binding", binder.getBinding(result.getProperty())).
+				// TODO allow binding result to contribute additional arguments
+				build();
 			// TODO should model name be part of element id?
 			messageContext.add(message, result.getProperty());
 		}

org.springframework.context/src/main/java/org/springframework/ui/message/DefaultMessageResolver.java

@@ -20,7 +20,6 @@ import java.util.Map;
 
 import org.springframework.context.MessageSource;
 import org.springframework.context.MessageSourceResolvable;
-import org.springframework.context.expression.MapAccessor;
 import org.springframework.core.style.ToStringCreator;
 import org.springframework.expression.AccessException;
 import org.springframework.expression.EvaluationContext;
@@ -40,13 +39,13 @@ final class DefaultMessageResolver implements MessageResolver, MessageSourceReso
 	private String[] codes;
 
 	private Map<String, Object> args;
-	
+
 	private String defaultText;
 
 	private ExpressionParser expressionParser;
 
-	public DefaultMessageResolver(Severity severity, String[] codes, Map<String, Object> args,
-			String defaultText, ExpressionParser expressionParser) {
+	public DefaultMessageResolver(Severity severity, String[] codes, Map<String, Object> args, String defaultText,
+			ExpressionParser expressionParser) {
 		this.severity = severity;
 		this.codes = codes;
 		this.args = args;
@@ -67,8 +66,7 @@ final class DefaultMessageResolver implements MessageResolver, MessageSourceReso
 		try {
 			StandardEvaluationContext context = new StandardEvaluationContext();
 			context.setRootObject(args);
-			context.addPropertyAccessor(new MapAccessor());
-			context.addPropertyAccessor(new MessageSourceResolvableAccessor(messageSource, locale));
+			context.addPropertyAccessor(new MessageArgumentAccessor(messageSource, locale));
 			String text = (String) message.getValue(context);
 			return new TextMessage(severity, text);
 		} catch (EvaluationException e) {
@@ -116,37 +114,44 @@ final class DefaultMessageResolver implements MessageResolver, MessageSourceReso
 
 	}
 
-	private static class MessageSourceResolvableAccessor implements PropertyAccessor {
+	static class MessageArgumentAccessor implements PropertyAccessor {
 
 		private MessageSource messageSource;
 		
 		private Locale locale;
-		
-		public MessageSourceResolvableAccessor(MessageSource messageSource, Locale locale) {
+
+		public MessageArgumentAccessor(MessageSource messageSource, Locale locale) {
 			this.messageSource = messageSource;
 			this.locale = locale;
 		}
 
 		public boolean canRead(EvaluationContext context, Object target, String name) throws AccessException {
-			return true;
+			return (((Map) target).containsKey(name));
 		}
 
 		public TypedValue read(EvaluationContext context, Object target, String name) throws AccessException {
-			// TODO this does not get called when resolving MessageSourceResolvable variables; only when accessing properties on MessageSourceResolvable targets.
-			return new TypedValue(messageSource.getMessage((MessageSourceResolvable)target, locale));
+			Object o = ((Map) target).get(name);
+			if (o instanceof MessageSourceResolvable) {
+				String message = messageSource.getMessage((MessageSourceResolvable) o, locale);
+				return new TypedValue(message);
+			} else {
+				return new TypedValue(o);
+			}
 		}
-
+		
 		public boolean canWrite(EvaluationContext context, Object target, String name) throws AccessException {
 			return false;
 		}
 
-		public void write(EvaluationContext context, Object target, String name, Object newValue) throws AccessException {
+		public void write(EvaluationContext context, Object target, String name, Object newValue)
+				throws AccessException {
 			throw new UnsupportedOperationException("Should not be called");
 		}
-
-		public Class<?>[] getSpecificTargetClasses() {
-			return new Class[] { MessageSourceResolvable.class };
-		}
 		
+		public Class[] getSpecificTargetClasses() {
+			return new Class[] { Map.class };
+		}
+
 	}
+
 }

org.springframework.context/src/test/java/org/springframework/ui/message/MessageBuilderTests.java

@@ -4,7 +4,6 @@ import static org.junit.Assert.assertEquals;
 
 import java.util.Locale;
 
-import org.junit.Ignore;
 import org.junit.Test;
 
 public class MessageBuilderTests {
@@ -12,7 +11,6 @@ public class MessageBuilderTests {
 	private MessageBuilder builder = new MessageBuilder();
 
 	@Test
-	@Ignore
 	public void buildMessage() {
 		MessageResolver resolver = builder.severity(Severity.ERROR).code("invalidFormat").resolvableArg("label", "mathForm.decimalField")
 				.arg("format", "#,###.##").defaultText("Field must be in format #,###.##").build();

org.springframework.context/src/test/java/org/springframework/ui/message/support/DefaultMessageContextTests.java

@@ -8,7 +8,6 @@ import java.util.Map;
 
 import org.junit.After;
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.springframework.context.i18n.LocaleContextHolder;
 import org.springframework.ui.message.Message;
@@ -36,7 +35,6 @@ public class DefaultMessageContextTests {
 	}
 
 	@Test
-	@Ignore
 	public void addMessage() {
 		MessageBuilder builder = new MessageBuilder();
 		MessageResolver message = builder.severity(Severity.ERROR).code("invalidFormat").resolvableArg("label",