org.apache.juneau.internal

Class SystemUtils

java.lang.Object

org.apache.juneau.internal.SystemUtils

public class SystemUtils
extends Object

System utilities.

Constructor Summary

Constructors

Constructor and Description
SystemUtils()

Method Summary

Modifier and Type	Method and Description
static Boolean	getFirstBoolean(Boolean def, String... keys) Returns the first non-null boolean system property.
static Integer	getFirstInteger(Integer def, String... keys) Returns the first non-null integer system property.
static String	getFirstString(String def, String... keys) Returns the first non-null system property.
static void	setProperty(String key, Object value) Convenience method for setting a system property value.
static void	setProperty(String key, Object value, boolean overwrite) Convenience method for setting a system property value.

Methods inherited from class java.lang.Object

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

Constructor Detail

SystemUtils

public SystemUtils()

Method Detail

getFirstString

public static String getFirstString(String def,
                                    String... keys)

Returns the first non-null system property.

Parameters:

def - The default value if none are found. Can be null.

keys - The system properties to look for.

Returns:

The first non-null system property, or the default value if non were found.

getFirstBoolean

public static Boolean getFirstBoolean(Boolean def,
                                      String... keys)

Returns the first non-null boolean system property.

Parameters:

def - The default value if none are found. Can be null.

keys - The system properties to look for.

Returns:

The first non-null system property, or the default value if non were found.

getFirstInteger

public static Integer getFirstInteger(Integer def,
                                      String... keys)

Returns the first non-null integer system property.

Parameters:

def - The default value if none are found. Can be null.

keys - The system properties to look for.

Returns:

The first non-null system property, or the default value if non were found.

setProperty

public static void setProperty(String key,
                               Object value,
                               boolean overwrite)

Convenience method for setting a system property value.

Parameters:

key - The system property key.

value - The system property value.

overwrite - Overwrite the previous value if it exists.

setProperty

public static void setProperty(String key,
                               Object value)

Convenience method for setting a system property value.

Parameters:

key - The system property key.

value - The system property value.