org.apache.metamodel.excel.ZeroBasedRowIterator 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 java.util.Iterator;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
/**
* An iterator implementation that iterates from the first logical (as opposed
* to physical, which is the default in POI) row in a spreadsheet.
*/
final class ZeroBasedRowIterator implements Iterator {
private final Sheet _sheet;
private volatile int _rowNumber;
public ZeroBasedRowIterator(Sheet sheet) {
_sheet = sheet;
_rowNumber = -1;
}
@Override
public boolean hasNext() {
return _rowNumber < _sheet.getLastRowNum();
}
@Override
public Row next() {
_rowNumber++;
return _sheet.getRow(_rowNumber);
}
@Override
public void remove() {
throw new UnsupportedOperationException("remove() is not supported");
}
}