Package swiss.trustbroker.common.util

Class CollectionUtil

java.lang.Object

swiss.trustbroker.common.util.CollectionUtil

public class CollectionUtil
extends Object

Method Summary

Modifier and Type	Method	Description
static <K> List<K>	addToList(List<K> values, K valueToAdd)
static <T> List<T>	addToListIfNotExist(List<T> immutableList, List<T> values)
static Collection<Object>	asCollection(Object value)
static List<Object>	asList(Object value)
static Map<String,Object>	asMap(String name, Object value, Object oldValue)
static Set<String>	collectionAsSet(Collection<String> value)
static <T, K> List<K>	convertToList(Collection<T> collection, Function<T,K> converter)
static <T, K> Set<K>	convertToSet(Collection<T> collection, Function<T,K> converter)
static <T, K> Predicate<T>	distinctById(Function<T,K> id)
static <K> List<K>	findListByPredicate(List<K> values, Predicate<K> check)
static <K> Optional<K>	findSingleValueByPredicate(List<K> values, Predicate<K> check)
static <K, T> K	getKey(Optional<Map.Entry<K,T>> entry)
static <K, T> List<T>	getList(Optional<Map.Entry<K,List<T>>> entry)
static <T, K> T	getSingleValue(List<T> list, K nameForTracing)
static <K, T> T	getSingleValue(Optional<Map.Entry<K,List<T>>> entry)
static String	toLogString(Object[] array)
static String	toLogString(Collection<?> collection)
static <T> List<String>	toStringList(List<T> values, Function<T,String> converter)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

asList

public static List<Object> asList(Object value)

asMap

public static Map<String,Object> asMap(String name,
 Object value,
 Object oldValue)

collectionAsSet

public static Set<String> collectionAsSet(Collection<String> value)

asCollection

public static Collection<Object> asCollection(Object value)

addToListIfNotExist

public static <T> List<T> addToListIfNotExist(List<T> immutableList,
 List<T> values)

toStringList

public static <T> List<String> toStringList(List<T> values,
 Function<T,String> converter)

toLogString

public static String toLogString(Collection<?> collection)

toLogString

public static String toLogString(Object[] array)

getSingleValue

public static <T,
K> T getSingleValue(List<T> list,
 K nameForTracing)

getSingleValue

public static <K,
T> T getSingleValue(Optional<Map.Entry<K,List<T>>> entry)

getList

public static <K,
T> List<T> getList(Optional<Map.Entry<K,List<T>>> entry)

getKey

public static <K,
T> K getKey(Optional<Map.Entry<K,T>> entry)

findSingleValueByPredicate

public static <K> Optional<K> findSingleValueByPredicate(List<K> values,
 Predicate<K> check)

findListByPredicate

public static <K> List<K> findListByPredicate(List<K> values,
 Predicate<K> check)

distinctById

public static <T,
K> Predicate<T> distinctById(Function<T,K> id)

convertToList

public static <T,
K> List<K> convertToList(Collection<T> collection,
 Function<T,K> converter)

convertToSet

public static <T,
K> Set<K> convertToSet(Collection<T> collection,
 Function<T,K> converter)

addToList

public static <K> List<K> addToList(List<K> values,
 K valueToAdd)