Re: [Simple-support] De-serialization problem -- valid reference not valid?

[Niall G. <gal...@ya...>]

Hi,

Thanks, ill take a look.

Niall


--- On Tue, 2/17/09, Alan Deikman <Ala...@zn...> wrote:

> From: Alan Deikman <Ala...@zn...>
> Subject: Re: [Simple-support] De-serialization problem -- valid reference not valid?
> To: sim...@li...
> Date: Tuesday, February 17, 2009, 3:10 PM
> Niall Gallagher wrote:
> > Is this easy to reproduce? Would it be possible to
> write a test case to expose this problem, at least then I
> could fix the issue from a known reproducable test.
> >   
> 
> OK, I think I have test case for you in the attached file. 
>  The program run without a command-line parameter will write
> the file "SimpleBug.xml".   If you run it with the
> command line parameter "-r" it will try to read
> that file, with the exception.   The exception I got was:
> 
>    org.simpleframework.xml.graph.CycleException: Invalid
> reference '4' found
> 
> The file it should generate (but can't read) looks like
> this:
> 
> <simpleBug id="0">
>   <test1 id="1">
>      <data id="2">
>         <entry>
>            <string
> id="3">key1</string>
>            <object class="java.lang.String"
> id="4">value</object>
>         </entry>
>      </data>
>   </test1>
>   <test2 id="5">
>      <data id="6">
>         <entry>
>            <string
> id="7">key2</string>
>            <object class="java.lang.String"
> ref="4"/>
>         </entry>
>      </data>
>   </test2>
> </simpleBug>
> 
> Thanks again for this great class library.
> 
> -- Alan Deikman
> ZNYX Networks
> 
> /*
>  * SimpleBug.java
>  *
>  */
> 
> package com.test.teststuff;
> 
> import java.io.File;
> import java.util.TreeMap;
> import org.simpleframework.xml.Element;
> import org.simpleframework.xml.ElementMap;
> import org.simpleframework.xml.Root;
> import org.simpleframework.xml.Serializer;
> import org.simpleframework.xml.core.Persister;
> import org.simpleframework.xml.core.Strategy;
> import org.simpleframework.xml.graph.CycleStrategy;
> 
> /**
>  *
>  * @author Alan Deikman
>  */
> @Root public class SimpleBug {
> 
>     @Element protected Mojo test1;
>     @Element protected Mojo test2;
> 
>     public SimpleBug() {
>         test1 = new Mojo();
>         test1.data.put("key1",
> "value");
>         test2 = new Mojo();
>         test2.data.put("key2",
> "value");
>     }
> 
>     /**
>      * @param args the command line arguments
>      */
>     public static void main(String[] args) {
>         
>         SimpleBug bug = null;
> 
>         boolean write = true;
>         if (args.length > 0 &&
> args[0].equals("-r")) write = false;
> 
>         Strategy resolver = new
> CycleStrategy("id", "ref");
>         Serializer s = new Persister(resolver);
>         File file = new File("SimpleBug.xml");
> 
>         if (write) {
>             bug = new SimpleBug();
>             try {
>                 s.write(bug, file);
>             } catch (Exception ex) {
>                 System.out.println("Something went
> wrong.");
>             }
>         }
> 
>         else {
>             try {
>                 bug = s.read(SimpleBug.class, file);
>             } catch (Exception ex) {
>                 System.out.println("Can't
> parse");
>                 System.out.println(ex.toString());
>             }
>         }
>     }
> 
>     public static class Mojo {
>         @ElementMap protected TreeMap<String, Object>
> data;
>         public Mojo() {
>             data = new TreeMap<String, Object>();
>         }
>     }
> 
> }
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