closes #22

src/main/java/com/epam/parso/Column.java

@@ -41,7 +41,7 @@ public class Column {
     /**
      * The column format.
      */
-    private String format;
+    private ColumnFormat format;
 
     /**
      * The class of data stored in the cells of rows related to a column, can be Number.class or String.class.
@@ -64,7 +64,7 @@ public class Column {
      *               String.class.
      * @param length the column length
      */
-    public Column(int id, String name, String label, String format, Class<?> type, int length) {
+    public Column(int id, String name, String label, ColumnFormat format, Class<?> type, int length) {
         this.id = id;
         this.name = name;
         this.label = label;
@@ -96,7 +96,7 @@ public String getName() {
      *
      * @return the string that contains the column format.
      */
-    public String getFormat() {
+    public ColumnFormat getFormat() {
         return format;
     }
 
@@ -147,7 +147,7 @@ public void setLabel(String label) {
      * The function to set column format.
      * @param format the column format.
      */
-    public void setFormat(String format) {
+    public void setFormat(ColumnFormat format) {
         this.format = format;
     }
 }

src/main/java/com/epam/parso/ColumnFormat.java

@@ -0,0 +1,106 @@
+/**
+ * *************************************************************************
+ * Copyright (C) 2015 EPAM
+
+ * 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 com.epam.parso;
+
+/**
+ * A class to store column format metadata.
+ */
+public class ColumnFormat {
+    /**
+     * The column format name.
+     */
+    private String name;
+    /**
+     * The column format width.
+     */
+    private int width;
+    /**
+     * The column format precision.
+     */
+    private int precision;
+
+    /**
+     * The constructor that defines all parameters of the ColumnFormat class.
+     *
+     * @param name      - column format name.
+     * @param width     - olumn format width.
+     * @param precision - column format precision.
+     */
+    public ColumnFormat(String name, int width, int precision) {
+        this.name = name;
+        this.width = width;
+        this.precision = precision;
+    }
+
+    /**
+     * The constructor that defines name of the ColumnFormat class.
+     *
+     * @param name - column format name.
+     */
+    public ColumnFormat(String name) {
+        this.name = name;
+    }
+
+    /**
+     * The function to get {@link ColumnFormat#name}.
+     *
+     * @return the string that contains the column format name.
+     */
+    public String getName() {
+        return name;
+    }
+
+    /**
+     * The function to get {@link ColumnFormat#width}.
+     *
+     * @return the number that contains the column format width.
+     */
+    public int getWidth() {
+        return width;
+    }
+
+    /**
+     * The function to get {@link ColumnFormat#precision}.
+     *
+     * @return the number that contains the column format precision.
+     */
+    public int getPrecision() {
+        return precision;
+    }
+
+    /**
+     * Returns true if there are no information about column format, otherwise false.
+     *
+     * @return true if column name is empty and width and precision are 0, otherwise false.
+     */
+    public boolean isEmpty() {
+        return name.isEmpty() && width == 0 && precision == 0;
+    }
+
+    /**
+     * The function to ColumnFormat class string representation.
+     *
+     * @return string representation of the column format.
+     */
+    @Override
+    public String toString() {
+        return isEmpty() ? "" : name + (width != 0 ? width : "") + "." + (precision != 0 ? precision : "");
+    }
+}