org.seasar.fisshplate.core.element.GenericCell.java Source code

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Here is the source code for org.seasar.fisshplate.core.element.GenericCell.java

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/**
 * Copyright 2004-2010 the Seasar Foundation and the Others.
 *
 * 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.seasar.fisshplate.core.element;

import java.util.Date;

import org.apache.poi.ss.usermodel.Cell;
import org.seasar.fisshplate.context.FPContext;
import org.seasar.fisshplate.wrapper.CellWrapper;

/**
 * ??????????
 * @author rokugen
 *
 */
public class GenericCell extends AbstractCell {

    /**
     * ??
     * @param cell ?????
     */
    public GenericCell(CellWrapper cell) {
        super(cell);
    }

    /* (non-Javadoc)
     * @see org.seasar.fisshplate.element.TemplateElement#merge(org.seasar.fisshplate.context.FPContext)
     */
    protected void mergeImpl(FPContext context, Cell out) {
        Object cellValue = getCellValue();

        int cellType = cell.getCellType();
        if (cellType == Cell.CELL_TYPE_FORMULA) {
            out.setCellFormula((String) cellValue);
        } else if (cellType == Cell.CELL_TYPE_ERROR) {
            out.setCellErrorValue(((Byte) cellValue).byteValue());
        } else if (cellValue instanceof Date) {
            out.setCellValue(((Date) cellValue));
            out.setCellType(Cell.CELL_TYPE_NUMERIC);
        } else if (cellValue instanceof String) {
            out.setCellValue((String) cellValue);
            out.setCellType(Cell.CELL_TYPE_STRING);
        } else if (cellValue instanceof Boolean) {
            out.setCellValue(((Boolean) cellValue).booleanValue());
            out.setCellType(Cell.CELL_TYPE_BOOLEAN);
        } else if (isNumber(cellValue)) {
            out.setCellValue(Double.valueOf(cellValue.toString()).doubleValue());
            out.setCellType(Cell.CELL_TYPE_NUMERIC);
        }
    }

    private boolean isNumber(Object value) {
        if (value == null || value instanceof String) {
            return false;
        }

        try {
            Double.valueOf(value.toString());
            return true;
        } catch (NumberFormatException e) {
            return false;
        }
    }

}