desugar.sun.nio.fs

Class DesugarAbstractFileTypeDetector

java.lang.Object

java.nio.file.spi.FileTypeDetector

desugar.sun.nio.fs.DesugarAbstractFileTypeDetector

public abstract class DesugarAbstractFileTypeDetector
extends FileTypeDetector

Base implementation of FileTypeDetector

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	DesugarAbstractFileTypeDetector()

Method Summary

Modifier and Type	Method and Description
protected String	getExtension(String name) Returns the extension of a file name, specifically the portion of the parameter string after the first dot.
protected abstract String	implProbeContentType(Path file) Probes the given file to guess its content type.
String	probeContentType(Path file) Invokes the appropriate probe method to guess a file's content type, and checks that the content type's syntax is valid.

Methods inherited from class java.lang.Object

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

Constructor Detail

DesugarAbstractFileTypeDetector

protected DesugarAbstractFileTypeDetector()

Method Detail

getExtension

protected final String getExtension(String name)

Returns the extension of a file name, specifically the portion of the parameter string after the first dot. If the parameter is null, empty, does not contain a dot, or the dot is the last character, then an empty string is returned, otherwise the characters after the dot are returned.

Parameters:

name - A file name

Returns:

The characters after the first dot or an empty string.

probeContentType

public final String probeContentType(Path file)
                              throws IOException

Invokes the appropriate probe method to guess a file's content type, and checks that the content type's syntax is valid.

Specified by:

probeContentType in class FileTypeDetector

Parameters:

file - the path to the file to probe

Returns:

The content type or null if the file type is not recognized

Throws:

IOException - An I/O error occurs

See Also:

Files.probeContentType(java.nio.file.Path)

implProbeContentType

protected abstract String implProbeContentType(Path file)
                                        throws IOException

Probes the given file to guess its content type.

Throws:

IOException