org.gecko.util.common

Class PropertyHelper

java.lang.Object

org.gecko.util.common.PropertyHelper

public class PropertyHelper
extends java.lang.Object

This helper class tries to find properties with certain names. To corresponding rules, it also looks into environment variables and Java system variables. If available it substitutes the values with the one from the JVM or OS.

Since:

01.02.2019

Method Summary

Modifier and Type	Method and Description
static PropertyHelper	createHelper() Creates the property helper with the default suffix
static PropertyHelper	createHelper(java.lang.String suffix) Creates the property helper with the given suffix
java.lang.String	getSuffix() Returns the suffix.
java.lang.Object	getValue(java.util.Map<? extends java.lang.Object,? extends java.lang.Object> properties, java.lang.String key) Returns the value for the given key or null, if nothing was found
java.lang.Object	getValue(java.util.Map<? extends java.lang.Object,? extends java.lang.Object> properties, java.lang.String key, java.lang.Object defaultValue)

Methods inherited from class java.lang.Object

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

Method Detail

createHelper

public static PropertyHelper createHelper()

Creates the property helper with the default suffix

Returns:

the property helper with the default suffix

createHelper

public static PropertyHelper createHelper(java.lang.String suffix)

Creates the property helper with the given suffix

Parameters:

suffix - the suffix to be used

Returns:

the property helper with the given suffix

getSuffix

public java.lang.String getSuffix()

Returns the suffix.

Returns:

the suffix

getValue

public java.lang.Object getValue(java.util.Map<? extends java.lang.Object,? extends java.lang.Object> properties,
                                 java.lang.String key,
                                 java.lang.Object defaultValue)

getValue

public java.lang.Object getValue(java.util.Map<? extends java.lang.Object,? extends java.lang.Object> properties,
                                 java.lang.String key)

Returns the value for the given key or null, if nothing was found

Parameters:

properties - the properties map

key - the key to get the value from

Returns:

the value or null