cn.ponfee.commons.extract

类 DataExtractor

java.lang.Object

cn.ponfee.commons.extract.DataExtractor

直接已知子类:

CsvExtractor, ExcelExtractor

public abstract class DataExtractor
extends Object

The file data extractor

作者:

Ponfee

字段概要

字段

限定符和类型	字段和说明
protected ExtractableDataSource	dataSource
protected boolean	end
protected String[]	headers

构造器概要

构造器

限定符	构造器和说明
protected	DataExtractor(ExtractableDataSource dataSource, String[] headers)

方法概要

限定符和类型	方法和说明
List<String[]>	extract()
abstract void	extract(BiConsumer<Integer,String[]> processor)
List<String[]>	extract(int count) Extracts specified count of top rows
void	extract(int batchSize, Consumer<List<String[]>> action)
protected boolean	isNotEmpty(String[] data)
ValidateResult	verify(BiFunction<Integer,String[],String> validator) 验证

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

dataSource

protected final ExtractableDataSource dataSource

headers

protected final String[] headers

end

protected volatile boolean end

构造器详细资料

DataExtractor

protected DataExtractor(ExtractableDataSource dataSource,
                        String[] headers)

方法详细资料

extract

public abstract void extract(BiConsumer<Integer,String[]> processor)
                      throws IOException

抛出:

IOException

extract

public final List<String[]> extract()
                             throws IOException

抛出:

IOException

extract

public final List<String[]> extract(int count)
                             throws IOException

Extracts specified count of top rows

参数:

count - the top rows count

返回:

a list

抛出:

IOException - if occur io error

extract

public final void extract(int batchSize,
                          Consumer<List<String[]>> action)
                   throws IOException

抛出:

IOException

verify

public final ValidateResult verify(BiFunction<Integer,String[],String> validator)
                            throws IOException

验证

参数:

validator -

返回:

抛出:

IOException

isNotEmpty

protected boolean isNotEmpty(String[] data)