Re: [Simple-support] Getting location context in validate(), commit() methods

[Johannes P. <joh...@we...>]

Hi,

yes, superb, this works and helped. Many thanks for the quick reply.
So as first tactics I'll use the Strategy ... :-)

Best regards

Johannes


 >Re: [Simple-support] Getting location context in validate(), commit() 
methods
 >From: Niall Gallagher <gallagher_niall@ya...> - 2008-07-25 19:17
 >Hi,

 >Yes, you can. You need to look at Strategy interface. There is an 
 >implementation
 >org.simpleframework.xml.load.DefaultStrategy which provides a good 
 >template. In this method
 >you can add the NodeMap object to the Map provided. For example
 >
 >public Type getElement(Class field, NodeMap node, Map map) {
 >map.put("node", node);
return defaultStrategy.getElement(field, node, map);
 >}
 >
 >Once you have done this the session map for serialization contains the 
 >node. So you can
 >implement your commit and validate like so.
 >
 >@Commit
 >private void doCommit(Map map) throws Exception {
 >NodeMap node = map.get("node");
 >InputNode element = (InputNode)node.getParent();
 >Position line = element.getPosition();
 >int lineNumber = line.getLine();
 >
 >// do whatever with the line number
 >}
 >
 >The next release will contain a more straight forward Strategy which 
 >will allow you to do
 >this kind of thing a little easier. There is a TestCase which provides 
 >more information on
 >how to use the Strategy.
 >
 >
 >http://simple.svn.sourceforge.net/viewvc/simple/trunk/download/stream/src/test/java/org/simpleframework/xml/load/StrategyTest.java
 >
 >Hope this helps,
 >Niall