X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fconfig%2Fconfig-persister-file-xml-adapter%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fconfig%2Fpersist%2Fstorage%2Ffile%2Fxml%2Fmodel%2FSnapshotHandler.java;h=e99694751b8726c8e9470a86400b211bc9476c74;hb=f43b01b81319959b1907e3e04537f5169e7f33d8;hp=8214b369702d4c1441975b6d13c019d00a306d95;hpb=ed6019236d78a69577888f60064c3714eaa80f6a;p=controller.git

diff --git a/opendaylight/config/config-persister-file-xml-adapter/src/main/java/org/opendaylight/controller/config/persist/storage/file/xml/model/SnapshotHandler.java b/opendaylight/config/config-persister-file-xml-adapter/src/main/java/org/opendaylight/controller/config/persist/storage/file/xml/model/SnapshotHandler.java
index 8214b36970..e99694751b 100644
--- a/opendaylight/config/config-persister-file-xml-adapter/src/main/java/org/opendaylight/controller/config/persist/storage/file/xml/model/SnapshotHandler.java
+++ b/opendaylight/config/config-persister-file-xml-adapter/src/main/java/org/opendaylight/controller/config/persist/storage/file/xml/model/SnapshotHandler.java
@@ -7,6 +7,7 @@
  */
 package org.opendaylight.controller.config.persist.storage.file.xml.model;
 
+import com.google.common.base.Preconditions;
 import java.io.StringReader;
 import java.io.StringWriter;
 import javax.xml.bind.ValidationEventHandler;
@@ -22,24 +23,29 @@ class SnapshotHandler implements DomHandler<String, StreamResult> {
 
     private StringWriter xmlWriter = new StringWriter();
 
-    public StreamResult createUnmarshaller(ValidationEventHandler errorHandler) {
+    @Override
+    public StreamResult createUnmarshaller(final ValidationEventHandler errorHandler) {
         xmlWriter.getBuffer().setLength(0);
         return new StreamResult(xmlWriter);
     }
 
-    public String getElement(StreamResult rt) {
+    @Override
+    public String getElement(final StreamResult rt) {
         String xml = rt.getWriter().toString();
         int beginIndex = xml.indexOf(START_TAG) + START_TAG.length();
         int endIndex = xml.indexOf(END_TAG);
+        Preconditions.checkArgument(beginIndex != -1 && endIndex != -1,
+                "Unknown element present in config snapshot(expected only configuration): %s", xml);
         return xml.substring(beginIndex, endIndex);
     }
 
-    public Source marshal(String n, ValidationEventHandler errorHandler) {
+    @Override
+    public Source marshal(final String n, final ValidationEventHandler errorHandler) {
         try {
             String xml = START_TAG + n.trim() + END_TAG;
             StringReader xmlReader = new StringReader(xml);
             return new StreamSource(xmlReader);
-        } catch(Exception e) {
+        } catch(final Exception e) {
             throw new RuntimeException(e);
         }
     }