Example usage for org.apache.poi.ss SpreadsheetVersion getMaxColumns

Introduction

In this page you can find the example usage for org.apache.poi.ss SpreadsheetVersion getMaxColumns.

Prototype

public int getMaxColumns() 

Source Link

Usage

From source file:com.asakusafw.testdriver.excel.ExcelSheetSinkFactory.java

License:Apache License

@Override
public <T> DataModelSink createSink(DataModelDefinition<T> definition, TestContext context) throws IOException {
    if (definition == null) {
        throw new IllegalArgumentException("definition must not be null"); //$NON-NLS-1$
    }/*  ww  w. ja  v  a2s .  com*/
    if (context == null) {
        throw new IllegalArgumentException("context must not be null"); //$NON-NLS-1$
    }

    SpreadsheetVersion version = Util.getSpreadsheetVersionFor(output.getPath());
    if (definition.getProperties().size() > version.getMaxColumns()) {
        LOG.warn(MessageFormat.format(Messages.getString("ExcelSheetSinkFactory.warnExceedColumnCount"), //$NON-NLS-1$
                definition.getModelClass().getName(), version.getMaxColumns(), output));
    }
    File parent = output.getParentFile();
    if (parent != null && parent.isDirectory() == false && parent.mkdirs() == false) {
        throw new IOException(MessageFormat.format(
                Messages.getString("ExcelSheetSinkFactory.errorFailedToCreateOutputDirectory"), //$NON-NLS-1$
                output));
    }
    final Workbook workbook = Util.createEmptyWorkbookFor(output.getPath());
    Sheet sheet = workbook.createSheet("results"); //$NON-NLS-1$
    return new ExcelSheetSink(definition, sheet, version.getMaxColumns()) {
        private boolean closed = false;

        @Override
        public void close() throws IOException {
            if (closed) {
                return;
            }
            closed = true;
            LOG.info(MessageFormat.format(Messages.getString("ExcelSheetSinkFactory.infoStartOutput"), //$NON-NLS-1$
                    output));
            try (OutputStream stream = new FileOutputStream(output);) {
                workbook.write(stream);
            }
        }
    };
}

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