Fix: XSSF parsing

- It can now handle "2E-3" as Double

anno-gui/src/main/java/org/genesys2/anno/reader/MyXSSFSheetHandler.java

@@ -232,6 +232,8 @@ public class MyXSSFSheetHandler extends DefaultHandler {
 				if (DateUtil.isADateFormat(this.formatIndex, this.formatString)) {
 					final Date date = DateUtil.getJavaDate(Double.valueOf(n));
 					thisObj = new SimpleDateFormat("yyyyMMdd").format(date);
+				} else if (n.contains("E-")) {
+					thisObj = Double.parseDouble(n);
 				} else if (n.contains("."))
 					thisObj = Double.parseDouble(n);
 				else

anno-gui/src/test/java/org/genesys2/anno/util/FormatTest.java

+/*
+ * Copyright 2020 Global Crop Diversity Trust
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.genesys2.anno.util;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.Assert.*;
+
+import org.junit.Test;
+
+/**
+ * The Class FormatTest.
+ */
+public class FormatTest {
+
+	/**
+	 * Test excel input.
+	 */
+	@Test
+	public void testExcelInput()  {
+		assertThat(Double.parseDouble("2E-3"), is(0.002));
+	}
+}