Netty 4.1.107.Final · io.netty.util.internal.SystemPropertyUtil

Modifier and Type	Field and Description
private static final InternalLogger	logger

Access	Constructor and Description
private	SystemPropertyUtil()

Method Summary

Modifier and Type	Method and Description
public static boolean	contains(String key) Returns `true` if and only if the system property with the specified `key` exists.
public static String	Returns: the property value or `null` get(String key) Returns the value of the Java system property with the specified `key`, while falling back to `null` if the property access fails.
public static String	Returns: the property value. `def` if there's no such property or if an access to the specified property is not allowed. get(final String key, String def) Returns the value of the Java system property with the specified `key`, while falling back to the specified default value if the property access fails.
public static boolean	Returns: the property value. `def` if there's no such property or if an access to the specified property is not allowed. getBoolean(String key, boolean def) Returns the value of the Java system property with the specified `key`, while falling back to the specified default value if the property access fails.
public static int	Returns: the property value. `def` if there's no such property or if an access to the specified property is not allowed. getInt(String key, int def) Returns the value of the Java system property with the specified `key`, while falling back to the specified default value if the property access fails.
public static long	Returns: the property value. `def` if there's no such property or if an access to the specified property is not allowed. getLong(String key, long def) Returns the value of the Java system property with the specified `key`, while falling back to the specified default value if the property access fails.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

logger	back to summary
private static final InternalLogger logger

SystemPropertyUtil	back to summary
private SystemPropertyUtil()

Method Detail

contains	back to summary
public static boolean contains(String key) Returns `true` if and only if the system property with the specified `key` exists.

get back to summary

get	back to summary
public static String get(String key) Returns the value of the Java system property with the specified `key`, while falling back to `null` if the property access fails. Returns:String the property value or `null`

public static String get(String key)

Returns the value of the Java system property with the specified key, while falling back to null if the property access fails.

Returns:String: the property value or null

get back to summary

get	back to summary
public static String get(final String key, String def) Returns the value of the Java system property with the specified `key`, while falling back to the specified default value if the property access fails. Returns:String the property value. `def` if there's no such property or if an access to the specified property is not allowed.

public static String get(final String key, String def)

Returns the value of the Java system property with the specified key, while falling back to the specified default value if the property access fails.

Returns:String: the property value. def if there's no such property or if an access to the specified property is not allowed.

getBoolean back to summary

getBoolean	back to summary
public static boolean getBoolean(String key, boolean def) Returns the value of the Java system property with the specified `key`, while falling back to the specified default value if the property access fails. Returns:boolean the property value. `def` if there's no such property or if an access to the specified property is not allowed.

public static boolean getBoolean(String key, boolean def)

Returns the value of the Java system property with the specified key, while falling back to the specified default value if the property access fails.

Returns:boolean: the property value. def if there's no such property or if an access to the specified property is not allowed.

getInt back to summary

getInt	back to summary
public static int getInt(String key, int def) Returns the value of the Java system property with the specified `key`, while falling back to the specified default value if the property access fails. Returns:int the property value. `def` if there's no such property or if an access to the specified property is not allowed.

public static int getInt(String key, int def)

Returns the value of the Java system property with the specified key, while falling back to the specified default value if the property access fails.

Returns:int: the property value. def if there's no such property or if an access to the specified property is not allowed.

getLong back to summary

getLong	back to summary
public static long getLong(String key, long def) Returns the value of the Java system property with the specified `key`, while falling back to the specified default value if the property access fails. Returns:long the property value. `def` if there's no such property or if an access to the specified property is not allowed.

public static long getLong(String key, long def)

Returns the value of the Java system property with the specified key, while falling back to the specified default value if the property access fails.

Returns:long: the property value. def if there's no such property or if an access to the specified property is not allowed.

public final Class SystemPropertyUtil

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail