com.github.leeonky.dal.extensions

Class FileGroup<T>

java.lang.Object

com.github.leeonky.dal.extensions.FileGroup<T>

All Implemented Interfaces:

com.github.leeonky.dal.runtime.Flatten, java.lang.Iterable<T>

Direct Known Subclasses:

IOFileFileGroup, ZipFileFileGroup

public abstract class FileGroup<T>
extends java.lang.Object
implements com.github.leeonky.dal.runtime.Flatten, java.lang.Iterable<T>

Field Summary

Fields

Modifier and Type	Field and Description
protected static java.util.Map<java.lang.String,java.util.function.Function<java.io.InputStream,java.lang.Object>>	fileExtensions
protected java.lang.String	name

Constructor Summary

Constructors

Constructor and Description
FileGroup(java.lang.String name)

Method Summary

Modifier and Type	Method and Description
java.lang.String	buildField(java.lang.Object prefix, java.lang.Object postfix)
protected abstract T	createSubFile(java.lang.String fileName)
protected java.lang.String	fileName(java.lang.Object fileExtension)
java.lang.Object	getFile(java.lang.String extensionName)
java.util.Iterator<T>	iterator()
java.util.Set<java.lang.String>	list()
protected abstract java.util.stream.Stream<java.lang.String>	listFileName()
protected abstract java.io.InputStream	open(T subFile)
static void	register(java.lang.String fileExtension, java.util.function.Function<java.io.InputStream,java.lang.Object> fileReader)

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.github.leeonky.dal.runtime.Flatten

predicate, removeExpectedField

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Field Detail

fileExtensions

protected static final java.util.Map<java.lang.String,java.util.function.Function<java.io.InputStream,java.lang.Object>> fileExtensions

name

protected final java.lang.String name

Constructor Detail

FileGroup

public FileGroup(java.lang.String name)

Method Detail

buildField

public java.lang.String buildField(java.lang.Object prefix,
                                   java.lang.Object postfix)

Specified by:

buildField in interface com.github.leeonky.dal.runtime.Flatten

fileName

protected java.lang.String fileName(java.lang.Object fileExtension)

register

public static void register(java.lang.String fileExtension,
                            java.util.function.Function<java.io.InputStream,java.lang.Object> fileReader)

getFile

public java.lang.Object getFile(java.lang.String extensionName)

open

protected abstract java.io.InputStream open(T subFile)

createSubFile

protected abstract T createSubFile(java.lang.String fileName)

list

public java.util.Set<java.lang.String> list()

listFileName

protected abstract java.util.stream.Stream<java.lang.String> listFileName()

iterator

public java.util.Iterator<T> iterator()

Specified by:

iterator in interface java.lang.Iterable<T>