added schema validation tools

[aai/aai-common.git] / aai-schema-ingest / src / main / java / org / onap / aai / edges / JsonIngestor.java

diff --git a/aai-schema-ingest/src/main/java/org/onap/aai/edges/JsonIngestor.java b/aai-schema-ingest/src/main/java/org/onap/aai/edges/JsonIngestor.java
new file mode 100644 (file)
index 0000000..29a2e3b
--- /dev/null
+++ b/aai-schema-ingest/src/main/java/org/onap/aai/edges/JsonIngestor.java
@@ -0,0 +1,88 @@
+/** 
+ * ============LICENSE_START=======================================================
+ * org.onap.aai
+ * ================================================================================
+ * Copyright © 2017 AT&T Intellectual Property. 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=========================================================
+ *
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ */
+
+package org.onap.aai.edges;
+
+import java.io.BufferedReader;
+import java.io.FileReader;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.EnumMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+
+import org.onap.aai.setup.Version;
+
+import com.jayway.jsonpath.DocumentContext;
+import com.jayway.jsonpath.JsonPath;
+
+/**
+ * JsonIngestor produces DocumentContexts from json files
+ */
+public class JsonIngestor {
+       
+       /**
+        * Reads in given json files to queryable DocumentContexts.
+        * 
+        * @param Map<Version, List<String>> filesToIngest - map of filenames to ingest
+        *                      per Version
+        * @return Map<Version, List<DocumentContext>> - map of DocumentContexts per Version
+        */
+       public Map<Version, List<DocumentContext>> ingest(Map<Version, List<String>> filesToIngest) {
+               Map<Version, List<DocumentContext>> result = new EnumMap<>(Version.class);
+               
+               for (Entry<Version, List<String>> verFiles : filesToIngest.entrySet()) {
+                       Version v = verFiles.getKey();
+                       List<String> files = verFiles.getValue();
+                       
+                       List<DocumentContext> docs = new ArrayList<>();
+                       
+                       for (String rulesFilename : files) {
+                               String fileContents = readInJsonFile(rulesFilename);
+                               docs.add(JsonPath.parse(fileContents));
+                       }
+                       result.put(v, docs);
+               }
+               
+               return result;
+       }
+       
+       /**
+        * Reads the json file at the given filename into an in-memory String.
+        * 
+        * @param rulesFilename - json file to be read (must include path to the file)
+        * @return String json contents of the given file
+        */
+       private String readInJsonFile(String rulesFilename) {
+               StringBuilder sb = new StringBuilder();
+               try(BufferedReader br = new BufferedReader(new FileReader(rulesFilename))) {
+                       String line;
+                       while ((line = br.readLine()) != null) {
+                               sb.append(line);
+                       }
+               } catch (IOException e) {
+                       throw new ExceptionInInitializerError(e);
+               }
+               return sb.toString();
+       }
+}