[jira] [Resolved] (GUACAMOLE-497) Ensure guacamole-client source is compatible with Java 9

["Michael Jumper (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/GUACAMOLE-497?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Jumper resolved GUACAMOLE-497.
--------------------------------------
       Resolution: Done
    Fix Version/s: 1.0.0

> Ensure guacamole-client source is compatible with Java 9
> --------------------------------------------------------
>
>                 Key: GUACAMOLE-497
>                 URL: https://issues.apache.org/jira/browse/GUACAMOLE-497
>             Project: Guacamole
>          Issue Type: Task
>          Components: guacamole-client
>            Reporter: Michael Jumper
>            Assignee: Michael Jumper
>            Priority: Major
>             Fix For: 1.0.0
>
>
> guacamole-client is intended to be compatible at a source level with Java 6 and later (though some Maven plugins require at least a version 7 JRE), however a number of functions and classes have been deprecated as of Java 9, resulting in warnings and a failed build:
>  * Wrapper class constructors {{new Integer(String)}} and {{new Long(String)}} have been deprecated in favor of {{Integer.valueOf(String)}} and {{Long.valueOf(String)}}.
>  * The {{XMLReaderFactory}} class used to parse {{user-mapping.xml}} has been deprecated in favor of {{SAXParserFactory}}.
> Migrating away from the old functions and classes _should_ be safe, as they have been defined since at least Java 6:
> * [{{SAXParserFactory.newInstance()}}|https://docs.oracle.com/javase/6/docs/api/javax/xml/parsers/SAXParserFactory.html#newInstance()],
>  [{{SAXParserFactory.newSAXParser()}}|https://docs.oracle.com/javase/6/docs/api/javax/xml/parsers/SAXParserFactory.html#newSAXParser()], and [{{SAXParser.parse()}}|https://docs.oracle.com/javase/6/docs/api/javax/xml/parsers/SAXParser.html#parse(java.io.File, org.xml.sax.helpers.DefaultHandler)]
> * [{{Integer.valueOf(String)}}|https://docs.oracle.com/javase/6/docs/api/java/lang/Integer.html#valueOf(java.lang.String)]
> * [{{Long.valueOf(String)}}|https://docs.oracle.com/javase/6/docs/api/java/lang/Long.html#valueOf(java.lang.String)]



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