Added ability for Predicates to get items from the PredicateContext using a TypeRef<T>

json-path/src/main/java/com/jayway/jsonpath/Predicate.java

@@ -38,6 +38,13 @@ public interface Predicate {
          */
         <T> T item(Class<T> clazz) throws MappingException;
 
+        /**
+         * Returns the current item being evaluated by this predicate. It will be mapped
+         * to the type of the provided TypeRef
+         * @return current document
+         */
+        <T> T item(TypeRef<T> typeRef) throws MappingException;
+
         /**
          * Returns the root document (the complete JSON)
          * @return root document

json-path/src/main/java/com/jayway/jsonpath/internal/token/PredicateContextImpl.java

@@ -16,6 +16,7 @@ package com.jayway.jsonpath.internal.token;
 
 import com.jayway.jsonpath.Configuration;
 import com.jayway.jsonpath.Predicate;
+import com.jayway.jsonpath.TypeRef;
 import com.jayway.jsonpath.internal.Path;
 import com.jayway.jsonpath.spi.mapper.MappingException;
 import org.slf4j.Logger;
@@ -69,6 +70,11 @@ public class PredicateContextImpl implements Predicate.PredicateContext {
         return  configuration().mappingProvider().map(contextDocument, clazz, configuration);
     }
 
+    @Override
+    public <T> T item(TypeRef<T> typeRef) throws MappingException {
+        return configuration().mappingProvider().map(contextDocument, typeRef, configuration);
+    }
+
     @Override
     public Object root() {
         return rootDocument;