* 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.
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
-
+import org.apache.commons.lang3.StringUtils;
import org.codehaus.jettison.json.JSONArray;
import org.codehaus.jettison.json.JSONException;
import org.codehaus.jettison.json.JSONObject;
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-public class JsonParser {
+import static com.google.common.base.Preconditions.checkNotNull;
+
+public final class JsonParser {
private static final Logger log = LoggerFactory.getLogger(JsonParser.class);
- @SuppressWarnings("unchecked")
- public static Map<String, String> convertToProperties(String s) throws JSONException {
- JSONObject json = new JSONObject(s);
-
- Map<String, Object> wm = new HashMap<>();
- Iterator<String> ii = json.keys();
- while (ii.hasNext()) {
- String key1 = ii.next();
- wm.put(key1, json.get(key1));
- }
+ private JsonParser() {
+ // Preventing instantiation of the same.
+ }
- Map<String, String> mm = new HashMap<>();
- while (!wm.isEmpty())
- for (String key : new ArrayList<>(wm.keySet())) {
- Object o = wm.get(key);
- wm.remove(key);
+ private static void handleJsonArray(String key, Map<String, Object> jArrayMap, JSONArray jsonArr) throws JSONException {
+ JSONObject jsonObj;
+ JSONArray subJsonArr;
+ boolean stripKey = false;
- if (o instanceof Boolean || o instanceof Number || o instanceof String) {
- mm.put(key, o.toString());
+ for (int i = 0, length = jsonArr.length(); i < length; i++) {
+ if (stripKey)
+ key = key.substring(0, key.length()-3);
- log.info("Added property: " + key + ": " + o.toString());
- }
+ subJsonArr = jsonArr.optJSONArray(i);
+ if (subJsonArr != null) {
+ key = StringUtils.trimToEmpty(key) + "[" + i + "]";
+ jArrayMap.putIfAbsent(key + "_length", String.valueOf(subJsonArr.length()));
+ handleJsonArray(key, jArrayMap, subJsonArr);
+ stripKey = true;
+ continue;
+ }
- else if (o instanceof JSONObject) {
- JSONObject jo = (JSONObject) o;
- Iterator<String> i = jo.keys();
- while (i.hasNext()) {
- String key1 = i.next();
- wm.put(key + "." + key1, jo.get(key1));
+ jsonObj = jsonArr.optJSONObject(i);
+ if (jsonObj != null) {
+ Iterator<String> ii = jsonObj.keys();
+ while (ii.hasNext()) {
+ String nodeKey = ii.next();
+ String key1 = "[" + i + "]." + nodeKey;
+ String[] subKey = key1.split(":");
+ if (subKey.length == 2) {
+ jArrayMap.putIfAbsent(subKey[1], jsonObj.get(nodeKey));
+ } else {
+ jArrayMap.putIfAbsent(key1, jsonObj.get(nodeKey));
}
}
+ }
+ else {
+ jArrayMap.putIfAbsent(StringUtils.trimToEmpty(key), jsonArr);
+ break;
+ }
+ }
+ }
- else if (o instanceof JSONArray) {
- JSONArray ja = (JSONArray) o;
- mm.put(key + "_length", String.valueOf(ja.length()));
-
- log.info("Added property: " + key + "_length" + ": " + String.valueOf(ja.length()));
-
- for (int i = 0; i < ja.length(); i++)
- wm.put(key + '[' + i + ']', ja.get(i));
+ @SuppressWarnings("unchecked")
+ public static Map<String, String> convertToProperties(String s)
+ throws SvcLogicException {
+
+ checkNotNull(s, "Input should not be null.");
+
+ try {
+ Map<String, Object> wm = new HashMap<>();
+ JSONObject json;
+ JSONArray jsonArr;
+ //support top level list in json response
+ if (s.startsWith("[")) {
+ jsonArr = new JSONArray(s);
+ wm.put("_length", String.valueOf(jsonArr.length()));
+ handleJsonArray(null, wm, jsonArr);
+ } else {
+ json = new JSONObject(s);
+ Iterator<String> ii = json.keys();
+ while (ii.hasNext()) {
+ String key1 = ii.next();
+ String[] subKey = key1.split(":");
+ if (subKey.length == 2) {
+ wm.put(subKey[1], json.get(key1));
+ } else {
+ wm.put(key1, json.get(key1));
+ }
}
}
- return mm;
+ Map<String, String> mm = new HashMap<>();
+ while (!wm.isEmpty()) {
+ for (String key : new ArrayList<>(wm.keySet())) {
+ Object o = wm.get(key);
+ wm.remove(key);
+
+ if (o instanceof Boolean || o instanceof Number || o instanceof String) {
+ mm.put(key, o.toString());
+ log.info("Added property: {} : {}", key, o.toString());
+ } else if (o instanceof JSONObject) {
+ JSONObject jo = (JSONObject) o;
+ Iterator<String> i = jo.keys();
+ while (i.hasNext()) {
+ String key1 = i.next();
+ String[] subKey = key1.split(":");
+ if (subKey.length == 2) {
+ wm.put(key + "." + subKey[1], jo.get(key1));
+ } else {
+ wm.put(key + "." + key1, jo.get(key1));
+ }
+ }
+ } else if (o instanceof JSONArray) {
+ JSONArray ja = (JSONArray) o;
+ mm.put(key + "_length", String.valueOf(ja.length()));
+ log.info("Added property: {}_length: {}", key, ja.length());
+
+ for (int i = 0; i < ja.length(); i++) {
+ wm.put(key + '[' + i + ']', ja.get(i));
+ }
+ }
+ }
+ }
+ return mm;
+ } catch (JSONException e) {
+ throw new SvcLogicException("Unable to convert JSON to properties" + e.getLocalizedMessage(), e);
+ }
}
+
}
Code Review / ccsdk / sli / plugins.git / blobdiff