diff options
author | 2019-03-14 15:06:40 +0530 | |
---|---|---|
committer | 2019-03-18 15:25:23 +0530 | |
commit | be11dee889f5a740d584458b62804e5fd4296e53 (patch) | |
tree | 2cc5e14c29df1a40f8e7bbe3bb08fffa38e023b8 /src/main/java/org/onap/dcae/common/JsonParser.java | |
parent | d76c2d0f61bfb4373b13fcdb6fc3317467dd19b4 (diff) |
Issue-ID: DCAEGEN2-1055 Generic RestConfCollector
Change-Id: I1800affa2b34cbb7487c0d8411e078adec5a0c48
Signed-off-by: s00370346 <swarup.nayak1@huawei.com>
Diffstat (limited to 'src/main/java/org/onap/dcae/common/JsonParser.java')
-rwxr-xr-x | src/main/java/org/onap/dcae/common/JsonParser.java | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/src/main/java/org/onap/dcae/common/JsonParser.java b/src/main/java/org/onap/dcae/common/JsonParser.java new file mode 100755 index 0000000..6ce02f2 --- /dev/null +++ b/src/main/java/org/onap/dcae/common/JsonParser.java @@ -0,0 +1,92 @@ +/*- + * ============LICENSE_START======================================================= + * org.onap.dcaegen2.collectors.restconf + * ================================================================================ + * Copyright (C) 2018-2019 Huawei. 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.dcae.common; + +import org.codehaus.jettison.json.JSONArray; +import org.codehaus.jettison.json.JSONException; +import org.codehaus.jettison.json.JSONObject; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.Iterator; +import java.util.Map; + +import static com.google.common.base.Preconditions.checkNotNull; + +public class JsonParser { + + private static final Logger log = LoggerFactory.getLogger(JsonParser.class); + + private JsonParser() { + // Preventing instantiation of the same. + } + + @SuppressWarnings("unchecked") + public static Map<String, String> convertToProperties(String s) + throws Exception { + + checkNotNull(s, "Input should not be null."); + + try { + 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)); + } + + 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(); + 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, String.valueOf(ja.length())); + + for (int i = 0; i < ja.length(); i++) + wm.put(key + '[' + i + ']', ja.get(i)); + } + } + return mm; + } catch (JSONException e) { + throw new Exception("Unable to convert JSON to properties" + e.getLocalizedMessage(), e); + } + } +} |