1 files changed, 62 insertions, 0 deletions
diff --git a/services/external-schema-manager/src/main/java/org/onap/dcaegen2/services/sdk/services/external/schema/manager/service/FileReader.java b/services/external-schema-manager/src/main/java/org/onap/dcaegen2/services/sdk/services/external/schema/manager/service/FileReader.java
new file mode 100644
index 00000000..e49266e3
--- /dev/null
+++ b/services/external-schema-manager/src/main/java/org/onap/dcaegen2/services/sdk/services/external/schema/manager/service/FileReader.java
@@ -0,0 +1,62 @@
+/*
+ * ============LICENSE_START=======================================================
+ * DCAEGEN2-SERVICES-SDK
+ * ================================================================================
+ * Copyright (C) 2020 Nokia. All rights reserved.
+ * ================================================================================
+ * Licensed 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.dcaegen2.services.sdk.services.external.schema.manager.service;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+
+class FileReader {
+
+    private static final Logger logger = LoggerFactory.getLogger(FileReader.class);
+
+    private final String filename;
+
+    FileReader(String filename) {
+        this.filename = filename;
+    }
+
+    String readFile() {
+        String fileContent = "";
+        try {
+            fileContent = getFileContent();
+        } catch (IOException e) {
+            logger.error("Error while reading file. Filename: {}", filename);
+        }
+        return fileContent;
+    }
+
+    boolean doesFileExists() {
+        return new File(filename).exists();
+    }
+
+    private String getFileContent() throws IOException {
+        return new String(readBytes());
+    }
+
+    private byte[] readBytes() throws IOException {
+        return Files.readAllBytes(Paths.get(filename));
+    }
+}
+\ No newline at end of file