@Override
	public String map(final String propName) {
		if (propName == null)
			return null;
		String keyName = propName, defValue = null;
		final int offsetDefault = propName.indexOf(':');
		if (offsetDefault != -1) {
			keyName = propName.substring(0, offsetDefault);
			defValue = propName.substring(offsetDefault + 1);
		}
		final ClassLoader ctxLoader = Thread.currentThread().getContextClassLoader();
		String value = ClassLoaderMap.get(ctxLoader, keyName, null);
		if (value == null) {
			value = System.getProperty(propName, defValue);
		}
		return value;
	}
@Override
	public String map(final String propName) {
		if (propName == null)
			return null;
		String keyName = propName, defValue = null;
		final int offsetDefault = propName.indexOf(':');
		if (offsetDefault != -1) {
			keyName = propName.substring(0, offsetDefault);
			defValue = propName.substring(offsetDefault + 1);
		}
		final ClassLoader ctxLoader = Thread.currentThread().getContextClassLoader();
		String value = ClassLoaderMap.get(ctxLoader, keyName, null);
		if (value == null) {
			value = System.getProperty(propName, defValue);
		}
		return value;
	}
@ Override public String map ( final String propName ) { if ( propName == null ) return null ; String keyName = propName , defValue = null ; final int offsetDefault = propName . indexOf ( ' ' ) ; if ( offsetDefault != - 1 ) { keyName = propName . substring ( 0 , offsetDefault ) ; defValue = propName . substring ( offsetDefault + 1 ) ; } final ClassLoader ctxLoader = Thread . currentThread ( ) . getContextClassLoader ( ) ; String value = ClassLoaderMap . get ( ctxLoader , keyName , null ) ; if ( value == null ) { value = System . getProperty ( propName , defValue ) ; } return value ; }
Map PropertyName in format "keyName:default-value" to
{@link ClassLoaderMap#get(ClassLoader, String, String)} or {@link System#getProperty(String)} or
{@code default-value}

@param propName string in format keyName[:default-value]
@return maped value
Map PropertyName in format keyName : default - value to { @link ClassLoaderMap#get ( ClassLoader String String ) } or { @link System#getProperty ( String ) } or { @code default - value }