Michael Jumper created GUACAMOLE-497:
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Summary: 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
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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