2 files changed, 106 insertions, 0 deletions
diff --git a/src/main/java/org/onap/avcnmanager/utils/FileUtils.java b/src/main/java/org/onap/avcnmanager/utils/FileUtils.java
new file mode 100644
index 0000000..990fdf3
--- /dev/null
+++ b/src/main/java/org/onap/avcnmanager/utils/FileUtils.java
@@ -0,0 +1,39 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Simulator
+ * ================================================================================
+ * Copyright (C) 2021 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.avcnmanager.utils;
+
+import org.apache.commons.io.IOUtils;
+import org.springframework.stereotype.Component;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.charset.Charset;
+
+@Component
+public class FileUtils {
+    public String readStringFromResourceFile(String pnfPayloadTemplate) {
+        try(InputStream inputStream = getClass().getClassLoader().getResourceAsStream(pnfPayloadTemplate)) {
+            return IOUtils.toString(inputStream, Charset.defaultCharset());
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+}
diff --git a/src/main/java/org/onap/avcnmanager/utils/JsonUtils.java b/src/main/java/org/onap/avcnmanager/utils/JsonUtils.java
new file mode 100644
index 0000000..7ee0dce
--- /dev/null
+++ b/src/main/java/org/onap/avcnmanager/utils/JsonUtils.java
@@ -0,0 +1,67 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Simulator
+ * ================================================================================
+ * Copyright (C) 2021 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.avcnmanager.utils;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.onap.avcnmanager.message.processing.ParsingResult;
+import org.springframework.stereotype.Component;
+
+import java.io.IOException;
+
+@Component
+public class JsonUtils {
+    private final ObjectMapper objectMapper;
+    private final FileUtils ioUtils;
+
+    public JsonUtils(FileUtils ioUtils) {
+        this.objectMapper = new ObjectMapper();
+        this.ioUtils = ioUtils;
+    }
+
+    public JsonNode convertToJsonNode(String json) {
+        try {
+            return objectMapper.readTree(json);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public String convertToJsonString(ParsingResult message) {
+        try {
+            return objectMapper.writeValueAsString(message);
+        } catch (JsonProcessingException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public ObjectNode objectNodeFromJsonNode(JsonNode jsonNode) {
+        return (ObjectNode) jsonNode;
+    }
+
+    public JsonNode jsonNodeFromResourceFile(String fileName) {
+        String json = ioUtils.readStringFromResourceFile(fileName);
+        return convertToJsonNode(json);
+    }
+
+}