You could possibly get away with just implementing Iterable instead of
Iterator. It's a much simpler interface to implement.
(*Chris*)
On Thu, May 12, 2011 at 12:17 AM, <matthieu.m...@ensam.eu> wrote:
> Hi,
>
> Thank you. I implements the iterator interface, and now it is working.
>
> public class SearchResults implements Iterator<SearchResult> {
>
> private Set<String> keySet = null;
> private Iterator<String> iterator = null;
>
> private Set<String> keySet() {
>
> if (this.keySet == null) {
> this.keySet = this.results.keySet();
> }
> return this.keySet;
> }
>
> private Iterator<String> iterator() {
>
> if (this.iterator == null){
> this.iterator = this.keySet().iterator();
> }
> return this.iterator;
> }
>
> public SearchResult get(String key) {
> return this.results.get(key);
> }
>
> @Override
> public boolean hasNext() {
> return this.iterator().hasNext();
> }
>
> @Override
> public SearchResult next() {
> String next = this.iterator().next();
> return this.get(next);
> }
> }
>
>
> Calls (hasNext() and next()) are done in org.apache.struts2.components.
> IteratorComponent
>
>
> Thanks
>
> Matthieu MARC
>
>
> -----Message d'origine-----
> De : Steven Yang [mailto:kenshin...@gmail.com]
> Envoyé : mardi 10 mai 2011 15:16
> À : Struts Users Mailing List
> Objet : Re: Tag iterator and my object container
>
> you need to implement the Iterator interface
>
> On Tue, May 10, 2011 at 4:14 PM, <matthieu.m...@ensam.eu> wrote:
>
> > Hi everybody,
> >
> > I have a container object SearchResults which contains a treeMap of
> > simple object SearchResult.
> >
> > I want to iterate over SearchResults in order to display properties of
> > all SearchResult object
> >
> > Class SearchResult {
> > //getter and setter
> > getDescription();
> > }
> >
> > Class SearchResults {
> > treeMap<String, SearchResult> resultats;
> >
> > public Set<String> keyset();
> > public Iterator<String> iterator();
> > public SearchResult get(String key);
> > }
> >
> > My Action class have this getter :
> >
> > getResultats(){ return (SearchResults)object; };
> >
> > And my JSP look like :
> >
> > <s:iterator value="resultats">
> > <s:property value="description" />
> > </s:iterator>
> >
> >
> > But it is not working, s:iterator tag is not iterating over my
> > SearchResults object using the iterator() method (not called).
> >
> > How must I construct my SearchResults object in order to make the
> > s:iterator tag iterate over it ?
> >
> > Thanks.
> >
> > Matthieu MARC
> >
> > ---
> > Matthieu MARC
> > Responsable du Service Informatique du Centre d'Angers Arts et Métiers
> > ParisTech Tél : 02 41 20 73 61
> >
> >
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> >
> >
>
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