[javadoc]: Added javadoc for few methods and resolved javadoc warnings

Author: millij

src/main/java/io/github/millij/poi/ss/model/annotations/SheetColumn.java

@@ -40,16 +40,16 @@
 
 
     /**
-     * Data presentation format of the Data cell.
+     * Data presentation format of the Data Column.
      * 
      * @return Data format String.
      */
     String format() default "";
 
     /**
-     * DateTime Type
+     * DateTimeType value of the Column
      * 
-     * @return
+     * @return the {@link DateTimeType} value of the Column
      */
     DateTimeType datetime() default DateTimeType.NONE;
 

src/main/java/io/github/millij/poi/ss/writer/SpreadsheetWriter.java

@@ -128,7 +128,7 @@ default void write(final String filepath) throws IOException {
     /**
      * Writes the current Spreadsheet workbook to a file
      * 
-     * @param fiel output file
+     * @param file output file
      * 
      * @throws IOException if the file is not writable.
      */

src/main/java/io/github/millij/poi/util/Beans.java

@@ -122,6 +122,14 @@ public static Object getProperty(final Object bean, final String propName) throw
     // ------------------------------------------------------------------------
 
     /**
+     * Set a property value of an object.
+     * 
+     * @param target Target Object
+     * @param propName name of the Object Property
+     * @param propType type of the Object Property
+     * @param propValue Value of the property to be set
+     * 
+     * @throws Exception exceptions when invoking the accessor methods
      */
     public static void setProperty(final Object target, final String propName, final Class<?> propType,
             final Object propValue) throws Exception {
@@ -130,30 +138,34 @@ public static void setProperty(final Object target, final String propName, final
             return; // Skip Setter if property value is NULL
         }
 
-        try {
-            // Convert the specified value to the required type
-            final Object newValue;
-            if (propValue instanceof String) {
-                newValue = CONVERT_UTILS_BEAN.convert((String) propValue, propType);
+        // Convert the specified value to the required type
+        final Object newValue;
+        if (propValue instanceof String) {
+            newValue = CONVERT_UTILS_BEAN.convert((String) propValue, propType);
+        } else {
+            final Converter converter = CONVERT_UTILS_BEAN.lookup(propType);
+            if (converter != null) {
+                newValue = converter.convert(propType, propValue);
             } else {
-                final Converter converter = CONVERT_UTILS_BEAN.lookup(propType);
-                if (converter != null) {
-                    newValue = converter.convert(propType, propValue);
-                } else {
-                    newValue = propValue;
-                }
+                newValue = propValue;
             }
-
-            // Invoke the setter method
-            PROP_UTILS_BEAN.setProperty(target, propName, newValue);
-
-        } catch (Exception ex) {
-            //
         }
+
+        // Invoke the setter method
+        PROP_UTILS_BEAN.setProperty(target, propName, newValue);
     }
 
 
     /**
+     * Set a property value of an object.
+     * 
+     * @param target Target Object
+     * @param propName name of the Object Property
+     * @param propValue Value of the property to be set
+     * @param format Value format
+     * @param dateTimeType {@link DateTimeType} value for Date/Time properties
+     * 
+     * @throws Exception exceptions when invoking the accessor methods
      */
     @SuppressWarnings({"unchecked", "rawtypes"})
     public static void setProperty(final Object target, final String propName, final Object propValue,
@@ -206,6 +218,15 @@ public static void setProperty(final Object target, final String propName, final
 
     /**
      * Set the Date/Time property of the Target Bean.
+     * 
+     * @param target Target Object
+     * @param propName name of the Object Property
+     * @param propType type of the Object Property
+     * @param propValue Value of the property to be set
+     * @param format Value format
+     * @param dateTimeType {@link DateTimeType} value for Date/Time properties
+     * 
+     * @throws Exception exceptions when invoking the accessor methods
      */
     private static void setDateTimeProperty(final Object target, final String propName, final Class<?> propType,
             final Object propValue, final String format, final DateTimeType dateTimeType) throws Exception {

src/main/java/io/github/millij/poi/util/Spreadsheet.java

@@ -336,6 +336,8 @@ private static boolean validateRowData(final Map<String, Object> rowDataMap,
     /**
      * Normalize the string. typically used for case-insensitive comparison.
      * 
+     * @param inStr input string
+     * 
      * @deprecated in favor of {@link Strings#normalize(String)}
      */
     @Deprecated