com.github.dennisit.vplus.data.enums.support.EnumWrap Maven / Gradle / Ivy
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package com.github.dennisit.vplus.data.enums.support;
import com.google.common.collect.Lists;
import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;
/**
* Created by Elon.su on 17/11/14.
*/
public abstract class EnumWrap{
public abstract List valueList();
public T valueGet(int value) {
List enums = valueList();
for(T em: enums){
if(em.getValue() == value){
return em;
}
}
return null;
}
public List valueGet(List values) {
return Optional.ofNullable(values).orElse(Lists.newArrayList())
.stream()
.map(x -> valueGet(x))
.filter(x -> null!= x)
.collect(Collectors.toList());
}
public List toValues(List enums){
return Optional.ofNullable(enums).orElse(Lists.newArrayList())
.stream()
.map(x -> x.getValue())
.collect(Collectors.toList());
}
public List toLabels(List enums){
return Optional.ofNullable(enums).orElse(Lists.newArrayList())
.stream()
.map(x -> x.getLabel())
.collect(Collectors.toList());
}
}