PDFBOX-6121: move new method and make it package local

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1930488 13f79535-47bb-0310-9956-ffa450edef68

Author: THausherr

xmpbox/src/main/java/org/apache/xmpbox/schema/DublinCoreSchema.java

@@ -25,7 +25,6 @@
 import java.util.List;
 
 import org.apache.xmpbox.XMPMetadata;
-import org.apache.xmpbox.type.AbstractField;
 import org.apache.xmpbox.type.ArrayProperty;
 import org.apache.xmpbox.type.BadFieldValueException;
 import org.apache.xmpbox.type.Cardinality;
@@ -781,10 +780,4 @@ public void removeType(String type)
     {
         removeUnqualifiedBagValue(TYPE, type);
     }
-
-    private <T> T getPropertyAs(String name, Class<T> type)
-    {
-        AbstractField property = getProperty(name);
-        return type.isInstance(property) ? type.cast(property) : null;
-    }
 }

xmpbox/src/main/java/org/apache/xmpbox/schema/XMPSchema.java

@@ -1227,4 +1227,9 @@ protected AbstractSimpleProperty instanciateSimple(String propertyName, Object v
         return tm.instanciateSimpleField(getClass(), null, getPrefix(), propertyName, value);
     }
 
+    <T> T getPropertyAs(String name, Class<T> type)
+    {
+        AbstractField property = getProperty(name);
+        return type.isInstance(property) ? type.cast(property) : null;
+    }
 }