Package net.hydromatic.morel.eval

Class Files

java.lang.Object

net.hydromatic.morel.eval.Files

public class Files
extends Object

Implementations of File.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static class	Files.AbstractFile	Abstract implementation of File.
private static class	Files.DataFile	File that is not a directory, and can be parsed into a set of records.
private static class	Files.Directory	File that is a directory.
(package private) static enum	Files.FileType	Describes a type of file that can be read by this reader.
private static class	Files.UnknownChildFile
private static class	Files.UnknownFile	File that we have not yet categorized.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Files()

Method Summary

Modifier and Type	Method	Description
static File	create(File ioFile)	Creates a file (or directory).
(package private) static Files.UnknownFile	createUnknown(@Nullable Files.Directory directory, File ioFile)
private static PairList<String,Type.Key>	deduceFieldsCsv(BufferedReader r)
(package private) static Function<String,Object>	parser(Type.Key type)	Creates a function that converts a string field value to the desired type.
private static String	removeSuffix(String s, String suffix)	Returns a string without its suffix; for example, removeSuffix("x.txt", ".txt") returns "x".
(package private) static Object	unquoteString(String s)	Converts "abc" to "abc" and "'abc, def'" to "abc, def".

Methods inherited from class java.lang.Object

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

Constructor Details

Files

private Files()

Method Details

create

public static File create(File ioFile)

Creates a file (or directory). Never returns null.

createUnknown

static Files.UnknownFile createUnknown(@Nullable Files.Directory directory,
 File ioFile)

removeSuffix

private static String removeSuffix(String s,
 String suffix)

Returns a string without its suffix; for example, removeSuffix("x.txt", ".txt") returns "x".

deduceFieldsCsv

private static PairList<String,Type.Key> deduceFieldsCsv(BufferedReader r)
                                                  throws IOException

Throws:

IOException

parser

static Function<String,Object> parser(Type.Key type)

Creates a function that converts a string field value to the desired type.

unquoteString

static Object unquoteString(String s)

Converts "abc" to "abc" and "'abc, def'" to "abc, def".