OpenJDK 27 · sun.nio.fs.AbstractFileTypeDetector · APIdia, the JavaDoc alternative

Modifier and Type	Field and Description
private static final String	TSPECIALS Special characters

Access	Constructor and Description
protected	AbstractFileTypeDetector()

Method Summary

Modifier and Type	Method and Description
protected final String	Returns: The characters after the first dot or an empty string. getExtension(String A file name 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.
private static boolean	isTokenChar(char c) Returns true if the character is a valid token character.
private static boolean	isValidToken(String s) Returns true if the given string is a legal type or subtype.
private static String	parse(String s) Parses a candidate content type into its type and subtype, returning null if either token is invalid.
public final String	probeContentType(Path file) Implements abstract java.nio.file.spi.FileTypeDetector.probeContentType. Invokes the appropriate probe method to guess a file's content type, and checks that the content type's syntax is valid.

TSPECIALS	back to summary
private static final String TSPECIALS Special characters

AbstractFileTypeDetector	back to summary
protected AbstractFileTypeDetector()

Method Detail

getExtension back to summary

getExtension	back to summary
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:String A file name Returns:String The characters after the first dot or an empty string.

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:String: A file name

Returns:String

The characters after the first dot or an empty string.

implProbeContentType	back to summary
protected abstract String implProbeContentType(Path file) throws IOException Probes the given file to guess its content type.

isTokenChar	back to summary
private static boolean isTokenChar(char c) Returns true if the character is a valid token character.

isValidToken	back to summary
private static boolean isValidToken(String s) Returns true if the given string is a legal type or subtype.

parse	back to summary
private static String parse(String s) Parses a candidate content type into its type and subtype, returning null if either token is invalid.

probeContentType	back to summary
public final String probeContentType(Path file) throws IOException Implements abstract java.nio.file.spi.FileTypeDetector.probeContentType. Invokes the appropriate probe method to guess a file's content type, and checks that the content type's syntax is valid. Annotations @Override Exceptions IOException: Doc from java.nio.file.spi.FileTypeDetector.probeContentType. An I/O error occurs

probeContentType

back to summary

public final String probeContentType(Path file) throws IOException

Implements abstract java.nio.file.spi.FileTypeDetector.probeContentType.

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

Annotations

@Override

Exceptions

IOException:

Doc from java.nio.file.spi.FileTypeDetector.probeContentType.

An I/O error occurs

public abstract Class AbstractFileTypeDetector

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Field Detail

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