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Some robustness changes

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Ziver Koc 2016-07-23 01:00:53 +02:00
parent b79284009d
commit cbca0c42c4
1 changed files with 5 additions and 2 deletions
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7
src/zutil/ui/Navigation.java
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@ -172,7 +172,10 @@ public class Navigation implements Iterable{
* Will create a clone of the navigation tree with some request instance specific information
*/
public NavInstance createParameterizedNavInstance(Map<String, String> request){
return createParameterizedNavInstance(getBreadcrumb(getParameterizedNavigation(request)));
Navigation nav = getParameterizedNavigation(request);
if (nav != null)
return createParameterizedNavInstance(getBreadcrumb(nav));
return createParameterizedNavInstance(Collections.EMPTY_LIST);
}
private NavInstance createParameterizedNavInstance(List<Navigation> activeList){
NavInstance instance = new ParameterizedNavInstance(this);
@ -196,7 +199,7 @@ public class Navigation implements Iterable{
Navigation nav = getPagedNavigation(header);
if (nav != null)
return createPagedNavInstance(getBreadcrumb(nav));
return null;
return createPagedNavInstance(Collections.EMPTY_LIST);
}
private NavInstance createPagedNavInstance(List<Navigation> activeList){
NavInstance instance = new PagedNavInstance(this);