org.apache.metamodel.excel.ExcelTableCreationBuilder Maven / Gradle / Ivy
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.metamodel.excel;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.metamodel.create.AbstractTableCreationBuilder;
import org.apache.metamodel.create.TableCreationBuilder;
import org.apache.metamodel.schema.Column;
import org.apache.metamodel.schema.MutableSchema;
import org.apache.metamodel.schema.MutableTable;
import org.apache.metamodel.schema.Schema;
import org.apache.metamodel.schema.Table;
/**
* {@link TableCreationBuilder} implementation for Excel spreadsheets.
*/
final class ExcelTableCreationBuilder extends AbstractTableCreationBuilder {
public ExcelTableCreationBuilder(ExcelUpdateCallback updateCallback, Schema schema, String name) {
super(updateCallback, schema, name);
}
@Override
public Table execute() {
final ExcelUpdateCallback updateCallback = getUpdateCallback();
final MutableTable table = getTable();
final Sheet sheet = updateCallback.createSheet(table.getName());
final int lineNumber = updateCallback.getConfiguration().getColumnNameLineNumber();
if (lineNumber != ExcelConfiguration.NO_COLUMN_NAME_LINE) {
final int zeroBasedLineNumber = lineNumber - 1;
final Row row = sheet.createRow(zeroBasedLineNumber);
final Column[] columns = table.getColumns();
for (int i = 0; i < columns.length; i++) {
final Column column = columns[i];
final int columnNumber = column.getColumnNumber();
row.createCell(columnNumber).setCellValue(column.getName());
}
}
final MutableSchema schema = (MutableSchema) table.getSchema();
schema.addTable((MutableTable) table);
return table;
}
}