Try having indexed getters and setters, like so: public Kardon getKardon(int index) public void setKardon(int index, Kardon kardon)
This might allow you to to use the index notation (not making any promises :-)) Jason > -----Original Message----- > From: Buorn, Yoway [mailto:[EMAIL PROTECTED] > Sent: Thursday, May 29, 2003 12:05 PM > To: '[EMAIL PROTECTED]' > Subject: [OS-webwork] Newbie: Please help with array/list of > objects ... > > > Hi. I'm having a little trouble posting an array of objects > to an Action. I have container class that contains a few > Vectors of other container classes, like so: > > public class Harman > { > private Vector kardons; > // Omit getters and setters for brevity. > > public Harman( ) > { > kardons = new Vector(); > } > } > > public class Kardon > { > private String value; > // Omit getters and setters for brevity. > } > > Then I created an Action class that contains a Harman object > and I use BeanUtil.setProperties() to populate the fields of > the object, like so: > > public class HarmanAction extends ActionSupport > { > private Harman harman; > // Omit getters and setters for brevity. > > public HarmanAction( ) > { > harman = new Harman(); > } > > public String doExecute( ) throws Exception > { > parameters = > ActionContext.getSingleValueParameters(); > BeanUtil.setProperties(parameters,harman); > return SUCCESS; > } > } > > Now the problem is that I can't figure out how to populate > the field value inside one of the Kardon objects in the > kardons Vector. The first thing I tried was having the name > in my <ui:textfield/> set to index into the Vector, like so: > > ... some HTML with a form ... > <ui:textfield name="'kardons[0]/value'" label="'unimportant'"/> > ... some HTML with the form submit button, etc. ... > > Now this spews the following when I try to submit the form: > > Could not set parameter > "kardons[0]/value":java.lang.IllegalArgumentException: The > target object for property 'kardons[0]/value'. The target > object needs to be initialized to a non-null value in order > to set this property. > > I tried omitting the index because that seemed to work when I > had an array of Strings. However, in this case, the value > was just ignored and didn't populate the field. I also tried > changing the Vector to an array and also a List. Each time, > I still got the same error. So my question is, how can a > post an array of objects? > > Yoway Buorn > Software Engineer > Imagery Systems Engineering > > GENERAL DYNAMICS > Advanced Information Systems > > 112 Lakeview Canyon Road > Thousand Oaks, CA 91362-5027 > Tel 805 497 5074 > Fax 805 497 5050 > [EMAIL PROTECTED] > > -=[ c o l l e c t i v e - b a s s - j u n e 2 0 ]=- > > > > ------------------------------------------------------- > This SF.net email is sponsored by: eBay > Get office equipment for less on eBay! > http://adfarm.mediaplex.com/ad/ck/711-11697-> 6916-5 > > _______________________________________________ > > Opensymphony-webwork mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/opensymphony-webwork > ------------------------------------------------------- This SF.net email is sponsored by: eBay Get office equipment for less on eBay! http://adfarm.mediaplex.com/ad/ck/711-11697-6916-5 _______________________________________________ Opensymphony-webwork mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/opensymphony-webwork
