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FELIX-6217: Avoid NoSuchElementException in RootCauseCommand #221

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FELIX-6217: Avoid NoSuchElementException in RootCauseCommand #221

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21 changes: 12 additions & 9 deletions rootcause/src/main/java/org/apache/felix/rootcause/RootCauseCommand.java
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@
*/
package org.apache.felix.rootcause;

import java.util.Optional;
import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;
import org.osgi.service.component.runtime.ServiceComponentRuntime;
Expand All @@ -34,13 +35,15 @@ public class RootCauseCommand {

@Reference
ServiceComponentRuntime scr;

public DSComp rootcause(String componentName) {
ComponentDescriptionDTO cdesc = scr.getComponentDescriptionDTOs().stream()
.filter(desc -> desc.name.equals(componentName))
.findFirst().get();
DSComp rootCause = new DSRootCause(scr).getRootCause(cdesc);
new RootCausePrinter().print(rootCause);
return rootCause;
}


public DSComp rootcause(String componentName) {
Optional<DSComp> rootCause = scr.getComponentDescriptionDTOs().stream()
.filter(desc -> desc.name.equals(componentName))
.findFirst()
.map(cdesc -> new DSRootCause(scr).getRootCause(cdesc));

rootCause.ifPresent(rc -> new RootCausePrinter().print(rc));
return rootCause.orElseGet(null);
}
}