#9696 keyword case simplify

plugins/org.jkiss.dbeaver.data.transfer/src/org/jkiss/dbeaver/tools/transfer/stream/exporter/DataExporterSQL.java

@@ -38,7 +38,6 @@ import java.io.File;
 import java.io.IOException;
 import java.io.PrintWriter;
 import java.io.Reader;
-import java.util.Locale;
 import java.util.Map;
 
 /**
@@ -68,19 +67,12 @@ public class DataExporterSQL extends StreamExporterAbstract {
     private DBDAttributeBinding[] columns;
     private final String KEYWORD_INSERT_INTO = "INSERT INTO";
     private final String KEYWORD_VALUES = "VALUES";
-    private DBPIdentifierCase identifierCase = DBPIdentifierCase.LOWER;
+    private DBPIdentifierCase identifierCase;
 
     private transient StringBuilder sqlBuffer = new StringBuilder(100);
     private transient long rowCount;
     private SQLDialect dialect;
 
-    enum KeywordCase {
-        upper,
-        lower
-    }
-
-    private KeywordCase keywordCase;
-
     private boolean isSkipColumn(DBDAttributeBinding attr) {
         return attr.isPseudoAttribute() || (!includeAutoGenerated && attr.isAutoGenerated()) ||
             attr instanceof DBDAttributeBindingCustom;
@@ -109,7 +101,12 @@ public class DataExporterSQL extends StreamExporterAbstract {
         rowDelimiter = GeneralUtils.getDefaultLineSeparator();
         dialect = SQLUtils.getDialectFromObject(site.getSource());
 
-        keywordCase = CommonUtils.valueOf(KeywordCase.class, CommonUtils.toString(properties.get(PROP_KEYWORD_CASE)), KeywordCase.upper);
+        String keywordCase = CommonUtils.toString(properties.get(PROP_KEYWORD_CASE));
+        if (keywordCase.equalsIgnoreCase("lower")) {
+            identifierCase = DBPIdentifierCase.LOWER;
+        } else {
+            identifierCase = DBPIdentifierCase.UPPER;
+        }
     }
 
     @Override
@@ -134,7 +131,6 @@ public class DataExporterSQL extends StreamExporterAbstract {
     @Override
     public void exportRow(DBCSession session, DBCResultSet resultSet, Object[] row) throws DBException, IOException {
         PrintWriter out = getWriter();
-        boolean upperCase = keywordCase == KeywordCase.upper;
         SQLDialect.MultiValueInsertMode insertMode = rowsInStatement == 1 ? SQLDialect.MultiValueInsertMode.NOT_SUPPORTED : getMultiValueInsertMode();
         if (insertMode == SQLDialect.MultiValueInsertMode.NOT_SUPPORTED) {
             rowsInStatement = 1;
@@ -153,8 +149,7 @@ public class DataExporterSQL extends StreamExporterAbstract {
                     sqlBuffer.append(rowDelimiter);
                 }
             }
-            sqlBuffer.append(upperCase ? KEYWORD_INSERT_INTO : identifierCase.transform(KEYWORD_INSERT_INTO));
-            sqlBuffer.append(" ").append(tableName).append(" (");
+            sqlBuffer.append(identifierCase.transform(KEYWORD_INSERT_INTO)).append(" ").append(tableName).append(" (");
             boolean hasColumn = false;
             for (int i = 0; i < columnsSize; i++) {
                 DBDAttributeBinding column = columns[i];
@@ -171,7 +166,7 @@ public class DataExporterSQL extends StreamExporterAbstract {
             if (lineBeforeValues && insertMode != SQLDialect.MultiValueInsertMode.GROUP_ROWS) {
                 sqlBuffer.append(rowDelimiter).append("\t");
             }
-            sqlBuffer.append(upperCase ? KEYWORD_VALUES : identifierCase.transform(KEYWORD_VALUES));
+            sqlBuffer.append(identifierCase.transform(KEYWORD_VALUES));
             if (insertMode != SQLDialect.MultiValueInsertMode.GROUP_ROWS) {
                 sqlBuffer.append(" (");
             }