Package com.helger.commons.lang

Class PropertiesHelper

java.lang.Object

com.helger.commons.lang.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 ICommonsMap<String,String>	getAsStringMap(Properties aProps)
static NonBlockingProperties	loadProperties(IReadableResource aRes)
static NonBlockingProperties	loadProperties(IReadableResource aRes, Charset aCharset)
static NonBlockingProperties	loadProperties(ISimpleURL aURL)
static NonBlockingProperties	loadProperties(File aFile)
static NonBlockingProperties	loadProperties(File aFile, Charset aCharset)
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 Detail

getAsStringMap

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

loadProperties

@Nullable
public static NonBlockingProperties loadProperties(@Nonnull
                                                   ISimpleURL aURL)

loadProperties

@Nullable
public static NonBlockingProperties loadProperties(@Nonnull
                                                   File aFile)

loadProperties

@Nullable
public static NonBlockingProperties loadProperties(@Nonnull
                                                   File aFile,
                                                   @Nonnull
                                                   Charset aCharset)

loadProperties

@Nullable
public static NonBlockingProperties loadProperties(@Nonnull
                                                   IReadableResource aRes)

loadProperties

@Nullable
public static NonBlockingProperties loadProperties(@Nonnull
                                                   IReadableResource aRes,
                                                   @Nonnull
                                                   Charset aCharset)

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