1 files changed, 60 insertions, 0 deletions
diff --git a/server/src/com/vaadin/data/util/NestedPropertyDescriptor.java b/server/src/com/vaadin/data/util/NestedPropertyDescriptor.java
new file mode 100644
index 0000000000..b67b425d1d
--- /dev/null
+++ b/server/src/com/vaadin/data/util/NestedPropertyDescriptor.java
@@ -0,0 +1,60 @@
+/*
+@VaadinApache2LicenseForJavaFiles@
+ */
+package com.vaadin.data.util;
+
+import com.vaadin.data.Property;
+
+/**
+ * Property descriptor that is able to create nested property instances for a
+ * bean.
+ * 
+ * The property is specified in the dotted notation, e.g. "address.street", and
+ * can contain multiple levels of nesting.
+ * 
+ * @param <BT>
+ *            bean type
+ * 
+ * @since 6.6
+ */
+public class NestedPropertyDescriptor<BT> implements
+        VaadinPropertyDescriptor<BT> {
+
+    private final String name;
+    private final Class<?> propertyType;
+
+    /**
+     * Creates a property descriptor that can create MethodProperty instances to
+     * access the underlying bean property.
+     * 
+     * @param name
+     *            of the property in a dotted path format, e.g. "address.street"
+     * @param beanType
+     *            type (class) of the top-level bean
+     * @throws IllegalArgumentException
+     *             if the property name is invalid
+     */
+    public NestedPropertyDescriptor(String name, Class<BT> beanType)
+            throws IllegalArgumentException {
+        this.name = name;
+        NestedMethodProperty<?> property = new NestedMethodProperty<Object>(
+                beanType, name);
+        this.propertyType = property.getType();
+    }
+
+    @Override
+    public String getName() {
+        return name;
+    }
+
+    @Override
+    public Class<?> getPropertyType() {
+        return propertyType;
+    }
+
+    @Override
+    public Property<?> createProperty(BT bean) {
+        return new NestedMethodProperty<Object>(bean, name);
+    }
+
+}