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https://issues.apache.org/jira/browse/WICKET-5124?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Martin Grigorov reopened WICKET-5124:
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The same improvement is needed in HeaderItem
> Improve ResourceReference#getDependencies() API
> -----------------------------------------------
>
> Key: WICKET-5124
> URL: https://issues.apache.org/jira/browse/WICKET-5124
> Project: Wicket
> Issue Type: Improvement
> Affects Versions: 6.6.0
> Reporter: Igor Vaynberg
> Assignee: Martin Grigorov
> Fix For: 7.0
>
>
> currently the signature is
> public Iterable<? extends HeaderItem> getDependencies()
> which is awkward to use.
> suppose i want a javascript reference that should include a css reference as
> a dependency, i cannot simply add it to iterable like this:
> new ResourceReference(Some.class, "some.js") {
> Iterable getDependencies() {
> Iterable supers=super.getDependencies();
> // supers.add(CSS); <=== cannot do this, instead
> List list=new ArrayList();
> for (reference:supers) {
> list.add(reference);
> }
> // now i can finally add mine
> list.add(CSS);
> return list;
> }
> }
> instead change Iterable to a List that is backed by a mutable one. this
> should make extending much easier. if List is too "open" create Appendable {
> append(); } backed by a list and use that.
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