Class Detector

java.lang.Object

kr.motd.maven.os.Detector

public abstract class Detector
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	Detector.LinuxRelease
private static class	Detector.SimpleFileOperations
private static class	Detector.SimpleSystemPropertyOperations

Field Summary

Fields

Modifier and Type	Field	Description
private static final String[]	DEFAULT_REDHAT_VARIANTS
static final String	DETECTED_ARCH
static final String	DETECTED_BITNESS
static final String	DETECTED_CLASSIFIER
static final String	DETECTED_NAME
static final String	DETECTED_RELEASE
static final String	DETECTED_RELEASE_LIKE_PREFIX
static final String	DETECTED_RELEASE_VERSION
static final String	DETECTED_VERSION
static final String	DETECTED_VERSION_MAJOR
static final String	DETECTED_VERSION_MINOR
private final FileOperationProvider	fileOperationProvider
private static final String	LINUX_ID_LIKE_PREFIX
private static final String	LINUX_ID_PREFIX
private static final String[]	LINUX_OS_RELEASE_FILES
private static final String	LINUX_VERSION_ID_PREFIX
private static final Pattern	REDHAT_MAJOR_VERSION_REGEX
private static final String	REDHAT_RELEASE_FILE
private final SystemPropertyOperationProvider	systemPropertyOperationProvider
private static final String	UNKNOWN
private static final Pattern	VERSION_REGEX

Constructor Summary

Constructors

Constructor	Description
Detector()
Detector(SystemPropertyOperationProvider systemPropertyOperationProvider, FileOperationProvider fileOperationProvider)

Method Summary

Modifier and Type	Method	Description
private static void	closeQuietly(Closeable obj)
protected void	detect(Properties props, List<String> classifierWithLikes)
private int	determineBitness(String architecture)
private Detector.LinuxRelease	getLinuxRelease()
static int	guessBitnessFromArchitecture(String arch)
protected abstract void	log(String message)
protected abstract void	logProperty(String name, String value)
private static String	normalize(String value)
private static String	normalizeArch(String value)
private static String	normalizeOs(String value)
private static String	normalizeOsReleaseValue(String value)
private Detector.LinuxRelease	parseLinuxOsReleaseFile(String fileName)	Parses a file in the format of /etc/os-release and return a Detector.LinuxRelease based on the ID, ID_LIKE, and VERSION_ID entries.
private Detector.LinuxRelease	parseLinuxRedhatReleaseFile(String fileName)	Parses the /etc/redhat-release and returns a Detector.LinuxRelease containing the ID and like ["rhel", "fedora", ID].
private void	setProperty(Properties props, String name, String value)

Methods inherited from class Object

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

Field Details

DETECTED_NAME

public static final String DETECTED_NAME

See Also:

• Constant Field Values

DETECTED_ARCH

public static final String DETECTED_ARCH

See Also:

• Constant Field Values

DETECTED_BITNESS

public static final String DETECTED_BITNESS

See Also:

• Constant Field Values

DETECTED_VERSION

public static final String DETECTED_VERSION

See Also:

• Constant Field Values

DETECTED_VERSION_MAJOR

public static final String DETECTED_VERSION_MAJOR

See Also:

• Constant Field Values

DETECTED_VERSION_MINOR

public static final String DETECTED_VERSION_MINOR

See Also:

• Constant Field Values

DETECTED_CLASSIFIER

public static final String DETECTED_CLASSIFIER

See Also:

• Constant Field Values

DETECTED_RELEASE

public static final String DETECTED_RELEASE

See Also:

• Constant Field Values

DETECTED_RELEASE_VERSION

public static final String DETECTED_RELEASE_VERSION

See Also:

• Constant Field Values

DETECTED_RELEASE_LIKE_PREFIX

public static final String DETECTED_RELEASE_LIKE_PREFIX

See Also:

• Constant Field Values

UNKNOWN

private static final String UNKNOWN

See Also:

• Constant Field Values

LINUX_ID_PREFIX

private static final String LINUX_ID_PREFIX

See Also:

• Constant Field Values

LINUX_ID_LIKE_PREFIX

private static final String LINUX_ID_LIKE_PREFIX

See Also:

• Constant Field Values

LINUX_VERSION_ID_PREFIX

private static final String LINUX_VERSION_ID_PREFIX

See Also:

• Constant Field Values

LINUX_OS_RELEASE_FILES

private static final String[] LINUX_OS_RELEASE_FILES

REDHAT_RELEASE_FILE

private static final String REDHAT_RELEASE_FILE

See Also:

• Constant Field Values

DEFAULT_REDHAT_VARIANTS

private static final String[] DEFAULT_REDHAT_VARIANTS

VERSION_REGEX

private static final Pattern VERSION_REGEX

REDHAT_MAJOR_VERSION_REGEX

private static final Pattern REDHAT_MAJOR_VERSION_REGEX

systemPropertyOperationProvider

private final SystemPropertyOperationProvider systemPropertyOperationProvider

fileOperationProvider

private final FileOperationProvider fileOperationProvider

Constructor Details

Detector

public Detector()

Detector

public Detector(SystemPropertyOperationProvider systemPropertyOperationProvider,
 FileOperationProvider fileOperationProvider)

Method Details

detect

protected void detect(Properties props,
 List<String> classifierWithLikes)

setProperty

private void setProperty(Properties props,
 String name,
 String value)

log

protected abstract void log(String message)

logProperty

protected abstract void logProperty(String name,
 String value)

normalizeOs

private static String normalizeOs(String value)

normalizeArch

private static String normalizeArch(String value)

normalize

private static String normalize(String value)

getLinuxRelease

private Detector.LinuxRelease getLinuxRelease()

parseLinuxOsReleaseFile

private Detector.LinuxRelease parseLinuxOsReleaseFile(String fileName)

Parses a file in the format of /etc/os-release and return a Detector.LinuxRelease based on the ID, ID_LIKE, and VERSION_ID entries.

parseLinuxRedhatReleaseFile

private Detector.LinuxRelease parseLinuxRedhatReleaseFile(String fileName)

Parses the /etc/redhat-release and returns a Detector.LinuxRelease containing the ID and like ["rhel", "fedora", ID]. Currently only supported for CentOS, Fedora, and RHEL. Other variants will return null.

normalizeOsReleaseValue

private static String normalizeOsReleaseValue(String value)

determineBitness

private int determineBitness(String architecture)

guessBitnessFromArchitecture

public static int guessBitnessFromArchitecture(String arch)

closeQuietly

private static void closeQuietly(Closeable obj)