1 files changed, 83 insertions, 0 deletions
diff --git a/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/graphinventory/GraphInventoryPatchConverter.java b/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/graphinventory/GraphInventoryPatchConverter.java
new file mode 100644
index 0000000000..e626ec5492
--- /dev/null
+++ b/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/graphinventory/GraphInventoryPatchConverter.java
@@ -0,0 +1,83 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2017 - 2018 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=========================================================
+ */
+
+package org.onap.aaiclient.client.graphinventory;
+
+import java.util.List;
+import java.util.Map;
+import java.util.regex.Pattern;
+import org.onap.aaiclient.client.aai.AAICommonObjectMapperPatchProvider;
+import org.onap.aaiclient.client.aai.AAICommonObjectMapperProvider;
+import org.onap.aaiclient.client.graphinventory.exceptions.GraphInventoryPatchDepthExceededException;
+import org.onap.so.jsonpath.JsonPathUtil;
+import com.fasterxml.jackson.core.JsonProcessingException;
+
+public class GraphInventoryPatchConverter {
+
+    private static final AAICommonObjectMapperProvider standardProvider = new AAICommonObjectMapperProvider();
+    private static final AAICommonObjectMapperPatchProvider patchProvider = new AAICommonObjectMapperPatchProvider();
+    private static final Pattern LOCATE_COMPLEX_OBJECT =
+            Pattern.compile("^((?!relationship-list).)+?\\['[^\\[\\]]+?'\\]$");
+
+
+    public String convertPatchFormat(Object obj) {
+        return validatePatchObject(marshallObjectToPatchFormat(obj));
+    }
+
+    public String validatePatchObject(String payload) {
+        if (hasComplexObject(payload)) {
+            throw new GraphInventoryPatchDepthExceededException(payload);
+        }
+
+        return payload;
+    }
+
+    /**
+     * validates client side that json does not include any complex objects relationship-list is omitted from this
+     * validation
+     */
+    protected boolean hasComplexObject(String json) {
+        if (json.isEmpty()) {
+            return false;
+        }
+        String complex = "$.*.*";
+        String array = "$.*.*.*";
+        List<String> result = JsonPathUtil.getInstance().getPathList(json, complex);
+        List<String> result2 = JsonPathUtil.getInstance().getPathList(json, array);
+
+        result.addAll(result2);
+        return result.stream().anyMatch(item -> LOCATE_COMPLEX_OBJECT.matcher(item).find());
+    }
+
+    protected String marshallObjectToPatchFormat(Object obj) {
+        Object value = obj;
+        try {
+            if (!(obj instanceof Map || obj instanceof String)) {
+                value = patchProvider.getMapper().writeValueAsString(obj);
+            } else if (obj instanceof Map) {
+                value = standardProvider.getMapper().writeValueAsString(obj);
+            }
+        } catch (JsonProcessingException e) {
+            value = "{}";
+        }
+
+        return (String) value;
+    }
+}