Add support for changing cache size in KamelConfig

Kamel-Media · Jan 24, 2021 · c1ec1b5 · c1ec1b5
1 parent 42893bb
commit c1ec1b5
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Showing 2 changed files with 23 additions and 3 deletions.
diff --git a/src/main/kotlin/io/kamel/core/config/KamelConfig.kt b/src/main/kotlin/io/kamel/core/config/KamelConfig.kt
@@ -1,11 +1,13 @@
 package io.kamel.core.config
 
+import androidx.compose.ui.graphics.ImageBitmap
+import io.kamel.core.cache.Cache
 import io.kamel.core.decoder.Decoder
 import io.kamel.core.fetcher.Fetcher
 import io.kamel.core.mapper.Mapper
 import io.ktor.client.features.logging.*
 
-public fun KamelConfig(block: KamelConfigBuilder.() -> Unit): KamelConfig = KamelConfigBuilder().apply(block).build()
+public const val DefaultImageBitmapCacheSize: Int = 1000
 
 public interface KamelConfig {
 
@@ -15,14 +17,18 @@ public interface KamelConfig {
 
     public val mappers: List<Mapper<Any, Any>>
 
+    public val imageBitmapCache: Cache<Any, ImageBitmap>
+
     public companion object {
 
         public val Default: KamelConfig = KamelConfig {
-            fileFetcher()
+            imageBitmapCacheSize = DefaultImageBitmapCacheSize
             imageBitmapDecoder()
+            fileFetcher()
             httpFetcher {
                 Logging {
                     level = LogLevel.INFO
+                    logger = Logger.SIMPLE
                 }
             }
         }
@@ -31,3 +37,4 @@ public interface KamelConfig {
 
 }
 
+public fun KamelConfig(block: KamelConfigBuilder.() -> Unit): KamelConfig = KamelConfigBuilder().apply(block).build()
diff --git a/src/main/kotlin/io/kamel/core/config/KamelConfigBuilder.kt b/src/main/kotlin/io/kamel/core/config/KamelConfigBuilder.kt
@@ -1,5 +1,8 @@
 package io.kamel.core.config
 
+import androidx.compose.ui.graphics.ImageBitmap
+import io.kamel.core.cache.Cache
+import io.kamel.core.cache.LruCache
 import io.kamel.core.decoder.Decoder
 import io.kamel.core.decoder.ImageBitmapDecoder
 import io.kamel.core.fetcher.Fetcher
@@ -17,6 +20,14 @@ public class KamelConfigBuilder {
 
     private val mappers: MutableList<Mapper<Any, Any>> = mutableListOf()
 
+    public var imageBitmapCacheSize: Int = 0
+        set(value) {
+            field = value
+            imageBitmapCache = LruCache(value)
+        }
+
+    private var imageBitmapCache = LruCache<Any, ImageBitmap>(imageBitmapCacheSize)
+
     public fun <T : Any> fetcher(fetcher: Fetcher<T>) {
         fetchers += fetcher as Fetcher<Any>
     }
@@ -40,6 +51,9 @@ public class KamelConfigBuilder {
         override val mappers: List<Mapper<Any, Any>>
             get() = this@KamelConfigBuilder.mappers
 
+        override val imageBitmapCache: Cache<Any, ImageBitmap>
+            get() = this@KamelConfigBuilder.imageBitmapCache
+
     }
 
 }
@@ -50,7 +64,6 @@ public fun KamelConfigBuilder.httpFetcher(engine: HttpClientEngine, block: HttpC
 public fun KamelConfigBuilder.httpFetcher(block: HttpClientConfig<*>.() -> Unit = {}): Unit =
     fetcher(HttpFetcher(HttpClient(block)))
 
-
 public fun KamelConfigBuilder.fileFetcher(): Unit = fetcher(FileFetcher)
 
 public fun KamelConfigBuilder.imageBitmapDecoder(): Unit = decoder(ImageBitmapDecoder)