com.feilong.excel.writer.CellCoper Maven / Gradle / Ivy

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feilong is a suite of core and expanded libraries that include utility classes, http, excel,cvs, io classes, and much much more.

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/*
 * Copyright (C) 2008 feilong
 *
 * 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.feilong.excel.writer;

import org.apache.poi.ss.usermodel.Cell;

class CellCoper{

    /** Don't let anyone instantiate this class. */
    private CellCoper(){
        //AssertionError不是必须的. 但它可以避免不小心在类的内部调用构造器. 保证该类在任何情况下都不会被实例化.
        //see 《Effective Java》 2nd
        throw new AssertionError("No " + getClass().getName() + " instances for you!");
    }

    //---------------------------------------------------------------

    static void copy(Cell oldCell,Cell newCell){
        newCell.setCellStyle(oldCell.getCellStyle());

        switch (oldCell.getCellType()) {
            case STRING:
                newCell.setCellValue(oldCell.getRichStringCellValue());
                break;
            case NUMERIC:
                newCell.setCellValue(oldCell.getNumericCellValue());
                break;
            case BLANK:
                newCell.setBlank();
                break;
            case BOOLEAN:
                newCell.setCellValue(oldCell.getBooleanCellValue());
                break;
            case ERROR:
                newCell.setCellErrorValue(oldCell.getErrorCellValue());
                break;
            case FORMULA:
                newCell.setCellFormula(oldCell.getCellFormula());
                break;
            default:
                break;
        }
    }

    static void copy(Cell oldCell,Cell newCell,int rowOffset,int colOffset){
        newCell.setCellStyle(oldCell.getCellStyle());

        switch (oldCell.getCellType()) {
            case STRING:
                newCell.setCellValue(oldCell.getRichStringCellValue());
                break;
            case NUMERIC:
                newCell.setCellValue(oldCell.getNumericCellValue());
                break;
            case BLANK:
                newCell.setBlank();
                break;
            case BOOLEAN:
                newCell.setCellValue(oldCell.getBooleanCellValue());
                break;
            case ERROR:
                newCell.setCellErrorValue(oldCell.getErrorCellValue());
                break;
            case FORMULA:
                newCell.setCellFormula(FormulaEvaluatorUtil.offsetFormula(oldCell.getCellFormula(), rowOffset, colOffset));
                break;
            default:
                break;
        }
    }

}