unmarshaller performance: also use bulk operation for Pcdata

Author: winfriedgerlach

jaxb-ri/runtime/impl/src/main/java/org/glassfish/jaxb/runtime/v2/runtime/unmarshaller/ValidatingUnmarshaller.java

@@ -10,6 +10,7 @@
 
 package org.glassfish.jaxb.runtime.v2.runtime.unmarshaller;
 
+import org.glassfish.jaxb.runtime.v2.runtime.output.Pcdata;
 import org.glassfish.jaxb.runtime.v2.util.FatalAdapter;
 import org.glassfish.jaxb.core.v2.runtime.unmarshaller.LocatorEx;
 import org.xml.sax.SAXException;
@@ -111,6 +112,9 @@ else if (pcdata instanceof StringBuilder) {
         else if (pcdata instanceof StringBuffer) {
             ((StringBuffer) pcdata).getChars(0, len, buf, 0);
         }
+        else if (pcdata instanceof Pcdata) {
+            ((Pcdata) pcdata).writeTo(buf, 0);
+        }
         else {
             for (int i = 0; i < len; i++)
                 buf[i] = pcdata.charAt(i);  // this is slow due to n range checks