Merge pull request InsertKoinIO#1175 from peter-kovacs-accedo/KoinJav…

…aComponent_nullable KoinJavaComponent.kt update to make it able to return null values.
popmj007 · Nov 17, 2021 · b1f74b3 · b1f74b3
2 parents e1628df + 5ac85e6
commit b1f74b3
Showing 1 changed file with 43 additions and 0 deletions.
diff --git a/core/koin-core/src/jvmMain/kotlin/org/koin/java/KoinJavaComponent.kt b/core/koin-core/src/jvmMain/kotlin/org/koin/java/KoinJavaComponent.kt
@@ -48,6 +48,26 @@ object KoinJavaComponent {
         }
     }
 
+    /**
+     * Retrieve given dependency lazily if available
+     * @param clazz - dependency class
+     * @param qualifier - bean canonicalName / optional
+     * @param scope - scope
+     * @param parameters - dependency parameters / optional
+     */
+
+    @JvmStatic
+    @JvmOverloads
+    fun <T : Any> injectOrNull(
+        clazz: Class<*>,
+        qualifier: Qualifier? = null,
+        parameters: ParametersDefinition? = null
+    ): Lazy<T> {
+        return lazy(LazyThreadSafetyMode.SYNCHRONIZED) {
+            getOrNull(clazz, qualifier, parameters)
+        }
+    }
+
     /**
      * Retrieve given dependency
      * @param clazz - dependency class
@@ -71,6 +91,29 @@ object KoinJavaComponent {
         )
     }
 
+    /**
+     * Retrieve given dependency if available
+     * @param clazz - dependency class
+     * @param qualifier - bean canonicalName / optional
+     * @param scope - scope
+     * @param parameters - dependency parameters / optional
+     */
+
+    @JvmStatic
+    @JvmOverloads
+    fun <T : Any> getOrNull(
+        clazz: Class<*>,
+        qualifier: Qualifier? = null,
+        parameters: ParametersDefinition? = null
+    ): T? {
+        val kClass = clazz.kotlin
+        return getKoin().getOrNull(
+            kClass,
+            qualifier,
+            parameters
+        )
+    }
+
 //    /**
 //     * Retrieve given dependency
 //     * @param clazz - dependency class