Spring/spring-framework
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Use (Concurrent)Map.computeIfAbsent for lazy nested collection creation

Browse Source
This commit is contained in:
Juergen Hoeller
2018-03-23 17:36:23 +01:00
parent 8d8e218b52
commit f00afe3247
5 changed files with 14 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
spring-core/src/main/java/org/springframework/util/xml/SimpleNamespaceContext.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2017 the original author or authors.
* Copyright 2002-2018 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -123,11 +123,8 @@ public class SimpleNamespaceContext implements NamespaceContext {
}
else {
this.prefixToNamespaceUri.put(prefix, namespaceUri);
Set<String> prefixes = this.namespaceUriToPrefixes.get(namespaceUri);
if (prefixes == null) {
prefixes = new LinkedHashSet<>();
this.namespaceUriToPrefixes.put(namespaceUri, prefixes);
}
Set<String> prefixes =
this.namespaceUriToPrefixes.computeIfAbsent(namespaceUri, k -> new LinkedHashSet<>());
prefixes.add(prefix);
}
}