Package com.helger.base.rt

Class PropertiesHelper

java.lang.Object

com.helger.base.rt.PropertiesHelper

@Immutable
public final class PropertiesHelper
extends Object

Helper class to ease the use of Properties class.

Author:

Philip Helger

Method Summary

Modifier and Type	Method	Description
static String	expandProperties(String sValue, UnaryOperator<String> aValueProvider)	Special version of expandSystemProperties(String) that takes an arbitrary value provider and is not limited to system properties.
static String	expandSystemProperties(String sValue)	Copy of Oracle internal PropertyExpander.expand method
static Map<String,String>	getAsStringMap(Properties aProps)
static NonBlockingProperties	loadProperties(InputStream aIS)
static NonBlockingProperties	loadProperties(Reader aReader)

Methods inherited from class java.lang.Object

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

Method Details

getAsStringMap

@Nonnull
@ReturnsMutableCopy
public static Map<String,String> getAsStringMap(@Nonnull
 Properties aProps)

loadProperties

@Nullable
public static NonBlockingProperties loadProperties(@Nonnull @WillClose
 InputStream aIS)

loadProperties

@Nullable
public static NonBlockingProperties loadProperties(@Nonnull @WillClose
 Reader aReader)

expandSystemProperties

@Nullable
public static String expandSystemProperties(@Nullable
 String sValue)

Copy of Oracle internal PropertyExpander.expand method

Parameters:

sValue - Source value. May be null.

Returns:

null if source is null.

See Also:

• expandProperties(String, UnaryOperator)

expandProperties

@Nullable
public static String expandProperties(@Nullable
 String sValue,
 @Nonnull
 UnaryOperator<String> aValueProvider)

Special version of expandSystemProperties(String) that takes an arbitrary value provider and is not limited to system properties.

Parameters:

sValue - Source value. May be null.

aValueProvider - The value provider to be used. May not be null.

Returns:

null if the source value is null.

Since:

9.1.2