org.projectforge.excel.ExportConfig.java Source code

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Here is the source code for org.projectforge.excel.ExportConfig.java

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/////////////////////////////////////////////////////////////////////////////
//
// Project ProjectForge Community Edition
//         www.projectforge.org
//
// Copyright (C) 2001-2014 Kai Reinhard (k.reinhard@micromata.de)
//
// ProjectForge is dual-licensed.
//
// This community edition is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as published
// by the Free Software Foundation; version 3 of the License.
//
// This community edition is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
// Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, see http://www.gnu.org/licenses/.
//
/////////////////////////////////////////////////////////////////////////////

package org.projectforge.excel;

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

public class ExportConfig {
    private String excelDefaultPaperSize;

    private transient short excelDefaultPaperSizeValue = -42;

    private ExportContext defaultExportContext = new DefaultExportContext();

    private static ExportConfig instance = new ExportConfig();

    public static ExportConfig getInstance() {
        return instance;
    }

    public static void setInstance(ExportConfig exportConfig) {
        instance = exportConfig;
    }

    /**
     * Override this method for own {@link XlsContentProvider}.
     * @param workbook
     * @return
     */
    protected ContentProvider createNewContentProvider(ExportWorkbook workbook) {
        return new XlsContentProvider(getDefaultExportContext(), workbook);
    }

    /**
     * This context is used e. g. by I18nExportColumns to do internationalizations...
     * @return default export context
     */
    public ExportContext getDefaultExportContext() {
        return defaultExportContext;
    }

    /**
     * For using own ExportContext, otherwise {@link DefaultExportContext} is used. This context is used e. g. by I18nExportColumns to do
     * internationalizations...
     * @param exportContext
     * @return this for chaining.
     */
    public ExportConfig setDefaultExportContext(ExportContext exportContext) {
        this.defaultExportContext = exportContext;
        return this;
    }

    public void setDefaultPaperSize(String excelDefaultPaperSize) {
        this.excelDefaultPaperSize = excelDefaultPaperSize;
    }

    public String getDefaultPaperSize() {
        return this.excelDefaultPaperSize;
    }

    /**
     * Supported values "LETTER", default is "DINA4".
     * @return PrintSetup short value. Default is
     * @see PrintSetup#A4_PAPERSIZE.
     */
    public short getDefaultPaperSizeId() {
        if (excelDefaultPaperSizeValue != -42) {
            return excelDefaultPaperSizeValue;
        }
        if ("LETTER".equals(excelDefaultPaperSize) == true) {
            excelDefaultPaperSizeValue = PrintSetup.LETTER_PAPERSIZE;
        } else {
            excelDefaultPaperSizeValue = PrintSetup.A4_PAPERSIZE;
        }
        return excelDefaultPaperSizeValue;
    }

}