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/**
* ============LICENSE_START=======================================================
* DataRouter
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property.
* Copyright © 2017 Amdocs
* 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 and OpenECOMP are trademarks
* and service marks of AT&T Intellectual Property.
*/
package org.openecomp.datarouter.util;
import com.fasterxml.jackson.databind.JsonNode;
import org.json.JSONObject;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
public class RouterServiceUtil {
public static Map<String, String> parseJsonPayloadIntoMap(String jsonPayload) {
JSONObject jsonObject = new JSONObject(jsonPayload);
Map<String, String> map = new HashMap<String, String>();
Iterator iter = jsonObject.keys();
while (iter.hasNext()) {
String key = (String) iter.next();
String value = jsonObject.getString(key);
map.put(key, value);
}
return map;
}
public static String getNodeFieldAsText(JsonNode node, String fieldName) {
String fieldValue = null;
JsonNode valueNode = node.get(fieldName);
if (valueNode != null) {
fieldValue = valueNode.asText();
}
return fieldValue;
}
public static String concatArray(List<String> list) {
return concatArray(list, " ");
}
public static String concatArray(List<String> list, String delimiter) {
if (list == null || list.size() == 0) {
return "";
}
StringBuilder result = new StringBuilder(64);
boolean firstValue = true;
for (String item : list) {
if (firstValue) {
result.append(item);
firstValue = false;
} else {
result.append(delimiter).append(item);
}
}
return result.toString();
}
public static String concatArray(String[] values) {
if (values == null || values.length == 0) {
return "";
}
StringBuilder result = new StringBuilder(64);
boolean firstValue = true;
for (String item : values) {
if (firstValue) {
result.append(item);
firstValue = false;
} else {
result.append(".").append(item);
}
}
return result.toString();
}
public static String recursivelyLookupJsonPayload(JsonNode node, String key) {
String value = null;
if (node.isObject()) {
Iterator<Map.Entry<String, JsonNode>> nodeIterator = node.fields();
while (nodeIterator.hasNext()) {
Map.Entry<String, JsonNode> entry = (Map.Entry<String, JsonNode>) nodeIterator.next();
if (!entry.getValue().isValueNode()) {
value = recursivelyLookupJsonPayload(entry.getValue(), key);
if (value != null) {
return value;
}
}
String name = entry.getKey();
if (name.equalsIgnoreCase(key)) {
return entry.getValue().asText();
}
}
} else if (node.isArray()) {
Iterator<JsonNode> arrayItemsIterator = node.elements();
while (arrayItemsIterator.hasNext()) {
value = recursivelyLookupJsonPayload(arrayItemsIterator.next(), key);
if (value != null) {
return value;
}
}
}
return value;
}
public static void extractObjectsByKey(JsonNode node, String searchKey,
Collection<JsonNode> foundObjects) {
if (node.isObject()) {
Iterator<Map.Entry<String, JsonNode>> nodeIterator = node.fields();
while (nodeIterator.hasNext()) {
Map.Entry<String, JsonNode> entry = (Map.Entry<String, JsonNode>) nodeIterator.next();
if (!entry.getValue().isValueNode()) {
extractObjectsByKey(entry.getValue(), searchKey, foundObjects);
}
String name = entry.getKey();
if (name.equalsIgnoreCase(searchKey)) {
JsonNode entryValue = entry.getValue();
if (entryValue.isArray()) {
Iterator<JsonNode> arrayItemsIterator = entryValue.elements();
while (arrayItemsIterator.hasNext()) {
foundObjects.add(arrayItemsIterator.next());
}
} else {
foundObjects.add(entry.getValue());
}
}
}
} else if (node.isArray()) {
Iterator<JsonNode> arrayItemsIterator = node.elements();
while (arrayItemsIterator.hasNext()) {
extractObjectsByKey(arrayItemsIterator.next(), searchKey, foundObjects);
}
}
}
public static void convertArrayIntoList(JsonNode node, Collection<JsonNode> instances) {
if (node.isArray()) {
Iterator<JsonNode> arrayItemsIterator = node.elements();
while (arrayItemsIterator.hasNext()) {
instances.add(arrayItemsIterator.next());
}
} else {
instances.add(node);
}
}
public static void extractFieldValuesFromObject(JsonNode node,
Collection<String> attributesToExtract, Collection<String> fieldValues) {
if (node.isObject()) {
JsonNode valueNode = null;
for (String attrToExtract : attributesToExtract) {
valueNode = node.get(attrToExtract);
if (valueNode != null) {
if (valueNode.isValueNode()) {
fieldValues.add(valueNode.asText());
}
}
}
}
}
public static String objToJson(Object obj) {
JSONObject jsonObject = new JSONObject(obj);
String json = jsonObject.toString();
return json;
}
}
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