[
http://www.stripesframework.org/jira/browse/STS-51?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ben Gunter closed STS-51.
-------------------------
> Binding confused by maps
> ------------------------
>
> Key: STS-51
> URL: http://www.stripesframework.org/jira/browse/STS-51
> Project: Stripes
> Issue Type: Bug
> Reporter: Greg Hinkle
> Assignee: Tim Fennell
> Fix For: Release 1.0
>
>
> With the new deep class type figurer outerer, a map type at least one level
> deep in the hierarchy will fail to be able to determine the type or create
> the object.
> Since there is no information to determine the map type (unless we want to
> have a custom extension to the javabean spec as we have done before) we'll
> just assume maps only contain strings.
> (FYI, my past support for intelligent map type setting was done by looking
> for put-Property-(<String>,<T>) methods and assuming that T is our map type
> and -property- is our map property name.)
> My latest OgnlUtil.getPropertyClass impl:
> public static Class getPropertyClass(String property, Object root) throws
> OgnlException,
>
> IntrospectionException {
> int propertyIndex = property.lastIndexOf(".");
> int arrayIndex = property.lastIndexOf("[");
> if (arrayIndex > 0) {
> // Handle end maps, even with "." in their map entries
> property = property.substring(0,arrayIndex);
> propertyIndex = property.lastIndexOf(".");
> return String.class; // Hack, if its a map, assume a string
> }
> Method method = null;
> if (propertyIndex > 0) {
> String parentProperty = property.substring(0,propertyIndex);
> String childProperty = property.substring(propertyIndex+1);
> // foo.bar.baz.splat => parent: "foo.bar.baz" and child: "id"
> OgnlContext context = createContext();
>
> context.put(OgnlCustomNullHandler.INSTANTIATE_LEAF_NODES,OgnlCustomNullHandler.INSTANTIATE_LEAF_NODES);
> root = Ognl.getValue(getExpression(parentProperty + ".class"),
> context, root);
> property = childProperty;
> method =
> OgnlRuntime.getGetMethod(createContext(), (Class) root,
> property);
> } else {
> method =
> OgnlRuntime.getGetMethod(createContext(),
> root.getClass(), property);
> }
> if (method == null)
> throw new IntrospectionException("The property [" + property
> + "] could not be found on the type [" +
> root.getClass().getName() + "]");
> return method.getReturnType();
> }
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