1 files changed, 54 insertions, 0 deletions
diff --git a/src/main/java/org/onap/pnfsimulator/simulator/FilesystemTemplateReader.java b/src/main/java/org/onap/pnfsimulator/simulator/FilesystemTemplateReader.java
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+++ b/src/main/java/org/onap/pnfsimulator/simulator/FilesystemTemplateReader.java
@@ -0,0 +1,54 @@
+/*
+ * ============LICENSE_START=======================================================
+ * PNF-REGISTRATION-HANDLER
+ * ================================================================================
+ * Copyright (C) 2018 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.pnfsimulator.simulator;
+
+import com.google.gson.Gson;
+import com.google.gson.JsonObject;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+class FilesystemTemplateReader implements TemplateReader {
+
+    private final Path templatesDir;
+    private final Gson gson;
+
+    @Autowired
+    FilesystemTemplateReader(@Value("${templates.dir}") String templatesDir, Gson gson) {
+        this.templatesDir = Paths.get(templatesDir);
+        this.gson = gson;
+    }
+
+    public JsonObject readTemplate(String templateFileName) throws IOException {
+        Path absTemplateFilePath = templatesDir.resolve(templateFileName);
+        try (Stream<String> lines = Files.lines(absTemplateFilePath)) {
+            String content = lines.collect(Collectors.joining("\n"));
+            return gson.fromJson(content, JsonObject.class);
+        }
+    }
+}
+