Add legacy and default resolvers

src/main/java/org/springframework/shell2/DefaultParameterResolver.java

@@ -0,0 +1,31 @@
+package org.springframework.shell2;
+
+import java.util.List;
+
+import org.springframework.core.MethodParameter;
+import org.springframework.core.convert.ConversionService;
+import org.springframework.core.convert.TypeDescriptor;
+
+/**
+ * Created by ericbottard on 09/12/15.
+ */
+class DefaultParameterResolver implements ParameterResolver {
+
+	private final ConversionService conversionService;
+
+	public DefaultParameterResolver(ConversionService conversionService) {
+		this.conversionService = conversionService;
+	}
+
+	@Override
+	public boolean supports(MethodParameter parameter) {
+		return true;
+	}
+
+	@Override
+	public Object resolve(MethodParameter methodParameter, List<String> words) {
+		TypeDescriptor targetType = new TypeDescriptor(methodParameter);
+		Object converted = conversionService.convert(words.get(methodParameter.getParameterIndex()), TypeDescriptor.valueOf(String.class), targetType);
+		return converted;
+	}
+}