Re: [jibx-users] Newbie question

Linus Kamb Wed, 22 Dec 2004 09:31:33 -0800

I think Dennis is open to patches.  I've seen others contribute.

This issue is in the jira (which is likely why there was no response):

http://jira.codehaus.org/browse/JIBX-48


On Dec 22, 2004, at 8:38 AM, David Ezzio wrote:

Hi Linus,
That was my conclusion as well. Not a real PITA, but definitely an inconvenience, and so far as I can tell, one that could be fixed.

I'm hoping that this project is more open to patches than to requests for insight.
Thanks,
David
Linus Kamb wrote:
Not exactly sure what you are looking for, but... Yes, the signature for the collection add-method currently has to take an Object. Not too much of a pain, really. Just cast it to your particular class type and call the real method. As to whether or not that will change in future releases, I don't know. Perhaps there is something in the jira on it. On Dec 21, 2004, at 7:11 PM, David Ezzio wrote:
Would love a response.
David Ezzio wrote:
Hi,
Still wondering about this.  Will JiBX do what I want it to do?
David
David Ezzio wrote:
Hi,
I still don't have the answer to my question. I am hoping that a change to the binding specification file will correct the problem that I am dealing with, but I don't know what the change should be.

I get the error message during enhancement, when the enhancer looks for a method Route.addFlight(Object). I would think it would be simple enough for it to look for Route.addFlight(Flight), but it doesn't.
TIA,
David
David Ezzio wrote:
Hi,
I've got JiBX working with a modified version of the TimeSchedule example. But I've got one issue that I would like some help with. All of my collection add methods must take an Object parameter type, when I would like them to take the element's type.

For example, here's what the relevant portions of the metadata look like:

<mapping class="jxml.Route" name="route" > <collection item-type="jxml.Flight" iter-method="iterateFlights" add-method="addFlight" /> <value ident="ref" style="attribute" name="from" get-method="getFrom" set-method="setFrom" /> <value ident="ref" style="attribute" name="to" get-method="getTo" set-method="setTo" /> </mapping> <mapping class="jxml.Flight" name="flight" > <value ident="ref" name="carrier" style="attribute" get-method="getCarrier" set-method="setCarrier" /> <value name="number" style="attribute" get-method="getNumber" set-method="setNumber" /> <value name="depart" style="attribute" get-method="getDepart" set-method="setDepart"/> <value name="arrive" style="attribute" get-method="getArrive" set-method="setArrive" /> </mapping>
Here's what the data file looks like:
<?xml version="1.0" encoding="UTF-8"?> <schedule> <carriers> <carrier code="NL"> <url>http://www.northleft.com</url> <name>Northleft Airlines</name> </carrier> <carrier code="CL"> <url>http://www.classyskylines.com</url> <name>Classy Skylines</name> </carrier> </carriers> <airports> <airport code="BOS"> <location>Boston, MA</location> <name>Logan International Airport</name> </airport> <airport code="SEA"> <location>Seattle, WA</location> <name>Seattle-Tacoma International Airport</name> </airport> <airport code="LAX"> <location>Los Angeles, CA</location> <name>Los Angeles International Airport</name> </airport> </airports> <routes> <route from="BOS" to="SEA"> <flight carrier="CL" number="796" depart="4:12a" arrive="1:26a"/> <flight carrier="NL" number="328" depart="2:54a" arrive="1:29a"/> <flight carrier="CL" number="401" depart="4:12a" arrive="1:25a"/> </route> <route from="SEA" to="BOS"> <flight carrier="CL" number="634" depart="7:43a" arrive="9:13a"/> <flight carrier="NL" number="508" depart="4:38p" arrive="6:12p"/> <flight carrier="CL" number="687" depart="1:38p" arrive="3:08p"/> </route> </routes> </schedule>

And here's what the relevant portion of the Route class looks like:
package jxml;
public class Route
   {
   private Airport from;
   private Airport to;
   private ArrayList flightList = new ArrayList();
   public Route(ArrayList flightList, Airport from, Airport to)
      { ... }
   public void addFlight(Flight flight)
      { ... }
   public Iterator iterateFlights()
      { ... }
   public Airport getFrom()
      { ... }
   public void setFrom(Airport from)
      { ... }
   public Airport getTo()
      { ... }
   public void setTo(Airport to)
      { ... }
   protected Route()
      { ... }
   }
If I enhance as is, I get the following error message:
org.jibx.runtime.JiBXException: Add method addFlight not found in collection type jxml.Route at tag "collection"(line 26, col 95, in jxml/binding.xml) at org.jibx.runtime.impl.UnmarshallingContext.throwStartTagException( Un marshallingContext.java:2725) at org.jibx.binding.def.BindingBuilder.unmarshalStructure(BindingBuil de r.java:1153) at org.jibx.binding.def.BindingBuilder.unmarshalStructureChildren(Bin di ngBuilder.java:837) at org.jibx.binding.def.BindingBuilder.unmarshalMapping(BindingBuilde r. java:1531) at org.jibx.binding.def.BindingBuilder.unmarshalMappings(BindingBuild er .java:963) at org.jibx.binding.def.BindingBuilder.unmarshalBindingDefinition(Bin di ngBuilder.java:1597) at org.jibx.binding.Utility.loadBinding(Utility.java:228) at org.jibx.binding.Utility.loadFileBinding(Utility.java:254) at org.jibx.binding.Compile.compile(Compile.java:291) at org.jibx.binding.Compile.main(Compile.java:367)

On the other hand, if I change the parameter of addFlight to "Object flight" everything is fine.

Is it possible to configure so that the parameter type of addFlight is Flight?
Thanks,
David Ezzio
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Linus Kamb [EMAIL PROTECTED] (206) 547-0393 x106 ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://productguide.itmanagersjournal.com/ _______________________________________________ jibx-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/jibx-users
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Linus Kamb
[EMAIL PROTECTED]
(206) 547-0393 x106

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Re: [jibx-users] Newbie question

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