fix regression for new SOLEIL TDB oracle database, NaN do not work anymore,...

fix regression for new SOLEIL TDB oracle database, NaN do not work anymore, insert null (JIRA TANGOARCH-562)

src/main/java/TdbArchiver/Collector/Tools/FileTools.java

@@ -232,6 +232,7 @@ import fr.soleil.archiving.hdbtdb.api.tools.SpectrumEvent_RO;
 import fr.soleil.archiving.hdbtdb.api.tools.SpectrumEvent_RW;
 
 public class FileTools {
+    private static final String NAN_VALUE = "NAN";
     private final int dataFormat;
     private final int writable;
     private String fileName;
@@ -302,7 +303,7 @@ public class FileTools {
                 exportFileToDB(fileName);
             }
         } catch (final IOException e) {
-            StringBuilder messageBuilder = new StringBuilder();
+            final StringBuilder messageBuilder = new StringBuilder();
             messageBuilder.append("ERROR !! ").append("\r\n").append("\t Origin : \t ").append("FileTools.initFile")
                     .append("\r\n").append("\t Reason : \t ").append(e.getClass().getName()).append("\r\n")
                     .append("\t Description : \t ").append(e.getMessage()).append("\r\n")
@@ -334,10 +335,13 @@ public class FileTools {
             if (isValidLine(timeStampValue)) {
                 doExport();
                 if (dbProxy.getDataBase().isOracle()) {
-                    if (readValue == null || GlobalConst.ARCHIVER_NULL_VALUE.equalsIgnoreCase(readValue.trim())) {
+                    // XXX : regression for oracle that do no more support NaN. cf JIRA SOLEIL CTRLDESK-2282
+                    if (readValue == null || readValue.equalsIgnoreCase(NAN_VALUE)
+                            || GlobalConst.ARCHIVER_NULL_VALUE.equalsIgnoreCase(readValue.trim())) {
                         readValue = GlobalConst.ORACLE_NULL_VALUE;
                     }
-                    if (writeValue == null || GlobalConst.ARCHIVER_NULL_VALUE.equalsIgnoreCase(writeValue.trim())) {
+                    if (writeValue == null || writeValue.equalsIgnoreCase(NAN_VALUE)
+                            || GlobalConst.ARCHIVER_NULL_VALUE.equalsIgnoreCase(writeValue.trim())) {
                         writeValue = GlobalConst.ORACLE_NULL_VALUE;
                     }
                     if (scalarEvent.getDataType() == TangoConst.Tango_DEV_STRING) {
@@ -415,7 +419,7 @@ public class FileTools {
             logger.error("IOException for " + scalarEvent.getAttributeCompleteName());
             throw new NoRetryException("File access error", e.getClass().getName(), null, ErrSeverity.ERR,
                     e.getMessage(), "FileTools.processEventScalar", e);
-        } catch (Exception e) {
+        } catch (final Exception e) {
             e.printStackTrace();
             logger.error("Unknow Exception for " + scalarEvent.getAttributeCompleteName());
             if (e instanceof ArchivingException) {
@@ -668,7 +672,7 @@ public class FileTools {
             }
 
         } catch (final IOException e) {
-            StringBuilder messageBuilder = new StringBuilder();
+            final StringBuilder messageBuilder = new StringBuilder();
             messageBuilder.append("ERROR !! ").append("\r\n").append("\t Origin : \t ")
                     .append("FileTools.processEventImage").append("\r\n").append("\t Reason : \t ")
                     .append(e.getClass().getName()).append("\r\n").append("\t Description : \t ")