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authorPaweł Marks <pmarks@virtuslab.com>2020-07-06 16:46:28 +0200
committerSebastian Sellmair <34319766+sellmair@users.noreply.github.com>2020-07-07 13:22:16 +0200
commit2da1f3b1612fd19be8082283c6d070759a42de12 (patch)
treedb5719acd6552fa6e69d01fc627c9daa4962e594 /plugins/base/src/main/kotlin
parente5360a5b26aaaf779e796c16b6ac1bd625d2d02a (diff)
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Add CacheWrapper to mitigate NPE issues
Diffstat (limited to 'plugins/base/src/main/kotlin')
-rw-r--r--plugins/base/src/main/kotlin/resolvers/external/ExternalLocationProviderFactory.kt8
1 files changed, 5 insertions, 3 deletions
diff --git a/plugins/base/src/main/kotlin/resolvers/external/ExternalLocationProviderFactory.kt b/plugins/base/src/main/kotlin/resolvers/external/ExternalLocationProviderFactory.kt
index ce6fbba0..83de9911 100644
--- a/plugins/base/src/main/kotlin/resolvers/external/ExternalLocationProviderFactory.kt
+++ b/plugins/base/src/main/kotlin/resolvers/external/ExternalLocationProviderFactory.kt
@@ -17,8 +17,10 @@ interface ExternalLocationProviderFactory {
class ExternalLocationProviderFactoryWithCache(val ext: ExternalLocationProviderFactory) : ExternalLocationProviderFactory {
- private val locationProviders = ConcurrentHashMap<String, ExternalLocationProvider>()
+ private val locationProviders = ConcurrentHashMap<String, CacheWrapper>()
override fun getExternalLocationProvider(param: String): ExternalLocationProvider? =
- locationProviders.getOrPut(param) { ext.getExternalLocationProvider(param) }
-} \ No newline at end of file
+ locationProviders.getOrPut(param) { CacheWrapper(ext.getExternalLocationProvider(param)) }.provider
+}
+
+private class CacheWrapper(val provider: ExternalLocationProvider?) \ No newline at end of file