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Use StringJoiner where possible to simplify String joining

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stsypanov
2019-04-04 16:54:31 +03:00
committed by Juergen Hoeller
parent 07e9f802f2
commit 383f18e214
5 changed files with 21 additions and 35 deletions
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6
spring-context/src/main/java/org/springframework/validation/DefaultMessageCodesResolver.java
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@@ -22,6 +22,7 @@ import java.util.Collection;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
import java.util.StringJoiner;
import org.springframework.lang.Nullable;
import org.springframework.util.StringUtils;
@@ -242,11 +243,10 @@ public class DefaultMessageCodesResolver implements MessageCodesResolver, Serial
* null elements altogether.
*/
public static String toDelimitedString(String... elements) {
StringBuilder rtn = new StringBuilder();
StringJoiner rtn = new StringJoiner(CODE_SEPARATOR);
for (String element : elements) {
if (StringUtils.hasLength(element)) {
rtn.append(rtn.length() == 0 ? "" : CODE_SEPARATOR);
rtn.append(element);
rtn.add(element);
}
}
return rtn.toString();