[CAMEL-22848] camel-file: checksumFileAlgorithm option is ignored due to missing mapping in GenericFileEndpoint (#20798)

Author: luigidemasi

components/camel-file/src/main/java/org/apache/camel/component/file/GenericFileEndpoint.java

@@ -1745,6 +1745,9 @@ protected Map<String, Object> getParamsAsMap() {
         if (readLockIdempotentReleaseExecutorService != null) {
             params.put("readLockIdempotentReleaseExecutorService", readLockIdempotentReleaseExecutorService);
         }
+        if (checksumFileAlgorithm != null) {
+            params.put("checksumFileAlgorithm", checksumFileAlgorithm);
+        }
         return params;
     }
 

core/camel-core/src/test/java/org/apache/camel/component/file/FileEndpointParamsTest.java

@@ -0,0 +1,47 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.camel.component.file;
+
+import java.util.Map;
+
+import org.apache.camel.Component;
+import org.apache.camel.ContextTestSupport;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class FileEndpointParamsTest extends ContextTestSupport {
+
+    @Test
+    public void testChecksumFileAlgorithmParams() throws Exception {
+        MyFileEndpoint myEndpoint = new MyFileEndpoint("file:target/foo", context.getComponent("file"));
+        myEndpoint.setChecksumFileAlgorithm("MD5");
+
+        Map<String, Object> params = myEndpoint.getParams();
+        assertEquals("MD5", params.get("checksumFileAlgorithm"), "checksumFileAlgorithm should be in params map");
+    }
+
+    private static class MyFileEndpoint extends FileEndpoint {
+        public MyFileEndpoint(String uri, Component component) {
+            super(uri, component);
+        }
+
+        public Map<String, Object> getParams() {
+            return getParamsAsMap();
+        }
+    }
+}