diff options
Diffstat (limited to 'src/main/java/org/onap/dcae/common/ConfigProcessors.java')
| -rw-r--r-- | src/main/java/org/onap/dcae/common/ConfigProcessors.java | 598 |
1 files changed, 598 insertions, 0 deletions
diff --git a/src/main/java/org/onap/dcae/common/ConfigProcessors.java b/src/main/java/org/onap/dcae/common/ConfigProcessors.java new file mode 100644 index 00000000..c459bb1c --- /dev/null +++ b/src/main/java/org/onap/dcae/common/ConfigProcessors.java @@ -0,0 +1,598 @@ +/*- + * ============LICENSE_START======================================================= + * PROJECT + * ================================================================================ + * Copyright (C) 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========================================================= + */ + +package org.onap.dcae.common; + +import org.json.JSONArray; +import org.json.JSONObject; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.text.DecimalFormat; + +public class ConfigProcessors { + + private static final Logger log = LoggerFactory.getLogger(ConfigProcessors.class); + private static final String FIELD = "field"; + private static final String OLD_FIELD = "oldField"; + private static final String FILTER = "filter"; + private static final String VALUE = "value"; + private static final String REGEX = "\\[\\]"; + private static final String OBJECT_NOT_FOUND = "ObjectNotFound"; + private static final String FILTER_NOT_MET = "Filter not met"; + private static final String MAP_TYPE = "mapType"; + private static final String COMP_FALSE = "==false"; + + private final JSONObject event; + + public ConfigProcessors(JSONObject eventJson) { + event = eventJson; + } + + public void getValue(JSONObject jsonObject) { + + final String field = jsonObject.getString(FIELD); + final JSONObject filter = jsonObject.optJSONObject(FILTER); + + if (filter == null || isFilterMet(filter)) { + getEventObjectVal(field); + } else + log.info(FILTER_NOT_MET); + } + + + public void setValue(JSONObject jsonObject) { + final String field = jsonObject.getString(FIELD); + final String value = jsonObject.getString(VALUE); + final JSONObject filter = jsonObject.optJSONObject(FILTER); + if (filter == null || isFilterMet(filter)) { + setEventObjectVal(field, value); + } else + log.info(FILTER_NOT_MET); + } + + + private String evaluate(String str) { + String value = str; + if (str.startsWith("$")) { + value = (String) getEventObjectVal(str.substring(1)); + + } + return value; + } + + + public void suppressEvent(JSONObject jsonObject) { + final JSONObject filter = jsonObject.optJSONObject(FILTER); + + if (filter == null || isFilterMet(filter)) { + setEventObjectVal("suppressEvent", "true"); + } else + log.info(FILTER_NOT_MET); + } + + + public void addAttribute(JSONObject jsonObject) { + + final String field = jsonObject.getString(FIELD); + final String value = evaluate(jsonObject.getString(VALUE)); + final JSONObject filter = jsonObject.optJSONObject(FILTER); + final String fieldType = jsonObject.optString("fieldType", "string").toLowerCase(); + + if (filter == null || isFilterMet(filter)) { + setEventObjectVal(field, value, fieldType); + } else + log.info(FILTER_NOT_MET); + } + + + public void updateAttribute(JSONObject jsonObject) { + + final String field = jsonObject.getString(FIELD); + final String value = evaluate(jsonObject.getString(VALUE)); + final JSONObject filter = jsonObject.optJSONObject(FILTER); + if (filter == null || isFilterMet(filter)) { + setEventObjectVal(field, value); + } else + log.info(FILTER_NOT_MET); + } + + + public void removeAttribute(JSONObject jsonObject) { + + final String field = jsonObject.getString(FIELD); + final JSONObject filter = jsonObject.optJSONObject(FILTER); + + if (filter == null || isFilterMet(filter)) { + removeEventKey(field); + } else + log.info(FILTER_NOT_MET); + } + + + private void renameArrayInArray(JSONObject jsonObject) // map + { + log.info("renameArrayInArray"); + final String field = jsonObject.getString(FIELD); + final String oldField = jsonObject.getString(OLD_FIELD); + final JSONObject filter = jsonObject.optJSONObject(FILTER); + + if (filter == null || isFilterMet(filter)) { + + final String[] fsplit = field.split(REGEX, field.length()); + final String[] oldfsplit = oldField.split(REGEX, oldField.length()); + + final String oldValue = getEventObjectVal(oldfsplit[0]).toString(); + if (!oldValue.equals(OBJECT_NOT_FOUND)) { + final String oldArrayName = oldfsplit[1].substring(1); + final String newArrayName = fsplit[1].substring(1); + final String value = oldValue.replaceAll(oldArrayName, newArrayName); + + log.info("oldValue ==" + oldValue); + log.info("value ==" + value); + JSONArray ja = new JSONArray(value); + removeEventKey(oldfsplit[0]); + setEventObjectVal(fsplit[0], ja); + } + } else + log.info(FILTER_NOT_MET); + } + + private void renameObject(JSONObject jsonObject) // map + { + log.info("renameArrayInArray"); + final String field = jsonObject.getString(FIELD); + final String oldField = jsonObject.getString(OLD_FIELD); + final JSONObject filter = jsonObject.optJSONObject(FILTER); + + if (filter == null || isFilterMet(filter)) { + + final JSONObject oldValue = (JSONObject) getEventObjectVal(oldField); + if (!oldValue.toString().equals(OBJECT_NOT_FOUND)) { + setEventObjectVal(field, oldValue); + removeEventKey(oldField); + } + } else + log.info(FILTER_NOT_MET); + } + + public void map(JSONObject jsonObject) { + + final String field = jsonObject.getString(FIELD); + final String mapType = jsonObject.optString(MAP_TYPE, ""); + if (field.contains("[]")) { + if (field.matches(".*\\[\\]\\..*\\[\\]")) + renameArrayInArray(jsonObject); + else + mapToJArray(jsonObject); + } + else if (mapType.equals("hashmapToNameValueArray")) + mapHashmapToNameValueArray(jsonObject); + else if (mapType.equals("nameValueArrayToHashmap")) + mapNameValueArrayToHashmap(jsonObject); + else if (mapType.equals("renameObject")) + renameObject(jsonObject); + + else + mapAttribute(jsonObject); + } + + private String performOperation(String operation, String value) { + log.info("performOperation"); + if ("convertMBtoKB".equals(operation)) { + float kbValue = Float.parseFloat(value) * 1024; + value = String.valueOf(kbValue); + } + return value; + } + + + public void mapAttribute(JSONObject jsonObject) { + + final String field = jsonObject.getString(FIELD); + final String oldField = jsonObject.getString(OLD_FIELD); + final JSONObject filter = jsonObject.optJSONObject(FILTER); + final String operation = jsonObject.optString("operation"); + String value; + if (filter == null || isFilterMet(filter)) { + + value = getEventObjectVal(oldField).toString(); + if (!value.equals(OBJECT_NOT_FOUND)) { + if (operation != null && !operation.isEmpty()) + value = performOperation(operation, value); + + setEventObjectVal(field, value); + + removeEventKey(oldField); + } + } else + log.info(FILTER_NOT_MET); + } + + + private void mapToJArray(JSONObject jsonObject) { + log.info("mapToJArray"); + String field = jsonObject.getString(FIELD); + String oldField = jsonObject.getString(OLD_FIELD); + final JSONObject filter = jsonObject.optJSONObject(FILTER); + final JSONObject attrMap = jsonObject.optJSONObject("attrMap"); + oldField = oldField.replaceAll(REGEX, ""); + field = field.replaceAll(REGEX, ""); + + if (filter == null || isFilterMet(filter)) { + + String value = getEventObjectVal(oldField).toString(); + if (!value.equals(OBJECT_NOT_FOUND)) { + log.info("old value ==" + value); + // update old value based on attrMap + if (attrMap != null) { + // loop thru attrMap and update attribute name to new name + for (String key : attrMap.keySet()) { + value = value.replaceAll(key, attrMap.getString(key)); + } + } + + log.info("new value ==" + value); + char c = value.charAt(0); + if (c != '[') { + // oldfield is JsonObject + JSONObject valueJO = new JSONObject(value); + // if the array already exists + String existingValue = getEventObjectVal(field).toString(); + if (!existingValue.equals(OBJECT_NOT_FOUND)) { + JSONArray ja = new JSONArray(existingValue); + JSONObject jo = ja.optJSONObject(0); + if (jo != null) { + for (String key : valueJO.keySet()) { + jo.put(key, valueJO.get(key)); + + } + ja.put(0, jo); + + setEventObjectVal(field, ja); + } + } else // if new array + setEventObjectVal(field + "[0]", new JSONObject(value), "JArray"); + } else // oldfield is jsonArray + setEventObjectVal(field, new JSONArray(value)); + + removeEventKey(oldField); + } + } else + log.info(FILTER_NOT_MET); + } + + // this method is to support the mapping 5.x to VES7.x format for additionalInformation field + private void mapNameValueArrayToHashmap(JSONObject jsonObject) { + log.info("mapNameValueArrayToHashmap"); + String field = jsonObject.getString(FIELD); + String oldField = jsonObject.getString(FIELD); + final JSONObject filter = jsonObject.optJSONObject(FILTER); + + if (filter == null || isFilterMet(filter)) { + JSONObject newHashMap = new JSONObject(); // this will hold the newly mapped hashmap elements + JSONArray arrayValue = (JSONArray) getEventObjectVal(oldField); // old Array structure value + JSONObject tempJObj = null; + String tempName = ""; + String tempValue = ""; + if (!arrayValue.toString().equals(OBJECT_NOT_FOUND)) { + log.info("old value ==" + arrayValue.toString()); + // Loop thru the JSONArray, get the name:value pair and write to new JSONObject as hashmap elements + for (int i = 0; i < arrayValue.length(); i++) { + + tempJObj = arrayValue.getJSONObject(i); + if (tempJObj != null) { + tempName = tempJObj.get("name").toString(); + tempValue = tempJObj.get(VALUE).toString(); + newHashMap.put(tempName, tempValue); + } + } + // remove the old Array structure + removeEventKey(oldField); + //Add the new Hashmap + setEventObjectVal(field, newHashMap); + } + } else + log.info(FILTER_NOT_MET); + } + + // this method is to support the mapping 7.x to VES5.x format for additionalInformation field + private void mapHashmapToNameValueArray(JSONObject jsonObject) { + log.info("mapHashmapToNameValueArray"); + System.out.println("mapHashmapToNameValueArray"); + String field = jsonObject.getString(FIELD); + String oldField = jsonObject.getString(FIELD); + final JSONObject filter = jsonObject.optJSONObject(FILTER); + + if (filter == null || isFilterMet(filter)) { + JSONArray newArray = new JSONArray(); // this will hold the new name:value JSONObject + JSONObject nameValJObj; + System.out.println("object ==" + getEventObjectVal(oldField).toString()); + if (!getEventObjectVal(oldField).toString().equals(OBJECT_NOT_FOUND)) { + + JSONObject hashMap = (JSONObject) getEventObjectVal(oldField); // old hashmap structure value + if (hashMap != null) { + log.info("old value ==" + hashMap.toString()); + // Loop thru the hashMap JSONObject, get the hashmap elements add them as name:value JsonObject into the newArray + for (String key : hashMap.keySet()) { + nameValJObj = new JSONObject(); //create new object so not to overwrite in memory for Array insertion + nameValJObj.put("name", key); + nameValJObj.put("value", hashMap.get(key)); + newArray.put(nameValJObj); + } + // remove the old hashMap structure + removeEventKey(oldField); + //Add the newArray containing the name:value Object + setEventObjectVal(field, newArray); + } + } + } else + log.info(FILTER_NOT_MET); + } + + /** + * example - { "functionName": "concatenateValue", "args":{ "filter": + * {"event.commonEventHeader.event":"heartbeat"}, + * FIELD:"event.commonEventHeader.eventName", "concatenate": + * ["event.commonEventHeader.domain","event.commonEventHeader.eventType","event.commonEventHeader.alarmCondition"], + * "delimiter":"_" } } + **/ + public void concatenateValue(JSONObject jsonObject) { + + final String field = jsonObject.getString(FIELD); + final String delimiter = jsonObject.getString("delimiter"); + final JSONArray values = jsonObject.getJSONArray("concatenate"); + final JSONObject filter = jsonObject.optJSONObject(FILTER); + if (filter == null || isFilterMet(filter)) { + StringBuilder value = new StringBuilder(); + for (int i = 0; i < values.length(); i++) { + + String tempVal = evaluate(values.getString(i)); + if (!tempVal.equals(OBJECT_NOT_FOUND)) { + if (i == 0) + value.append(tempVal); + else + value.append(delimiter).append(tempVal); + } + } + + setEventObjectVal(field, value.toString()); + } else + log.info(FILTER_NOT_MET); + } + + public void subtractValue(JSONObject jsonObject) { + + final String field = jsonObject.getString(FIELD); + final JSONArray values = jsonObject.getJSONArray("subtract"); + final JSONObject filter = jsonObject.optJSONObject(FILTER); + if (filter == null || isFilterMet(filter)) { + float value = 0; + for (int i = 0; i < values.length(); i++) { + log.info(values.getString(i)); + String tempVal = evaluate(values.getString(i)); + log.info("tempVal==" + tempVal); + if (!tempVal.equals(OBJECT_NOT_FOUND)) { + if (i == 0) + value = value + Float.valueOf(tempVal); + else + value = value - Float.valueOf(tempVal); + } + } + log.info("value ==" + value); + setEventObjectVal(field, value, "number"); + } else + log.info(FILTER_NOT_MET); + } + + + private void removeEventKey(String field) { + String[] keySet = field.split("\\.", field.length()); + JSONObject keySeries = event; + for (int i = 0; i < (keySet.length - 1); i++) { + + keySeries = keySeries.getJSONObject(keySet[i]); + } + + keySeries.remove(keySet[keySet.length - 1]); + } + + + private boolean checkFilter(JSONObject jo, String key, String logicKey) { + String filterValue = jo.getString(key); + if (filterValue.contains(":")) { + String[] splitVal = filterValue.split(":"); + if ("matches".equals(splitVal[0])) { + if ("not".equals(logicKey)) { + if (getEventObjectVal(key).toString().matches(splitVal[1])) { + log.info(filterValue + "==" + key + "==" + getEventObjectVal(key) + COMP_FALSE); + return false; + } + } else { + if (!(getEventObjectVal(key).toString().matches(splitVal[1]))) { + log.info(filterValue + "==" + key + "==" + getEventObjectVal(key) + COMP_FALSE); + return false; + } + } + + } + if ("contains".equals(splitVal[0])) { + if ("not".equals(logicKey)) { + if (getEventObjectVal(key).toString().contains(splitVal[1])) { + log.info(filterValue + "==" + key + "==" + getEventObjectVal(key) + COMP_FALSE); + return false; + } + } else { + if (!(getEventObjectVal(key).toString().contains(splitVal[1]))) { + log.info(filterValue + "==" + key + "==" + getEventObjectVal(key) + COMP_FALSE); + return false; + } + } + + } + } else { + if ("not".equals(logicKey)) { + if (getEventObjectVal(key).toString().equals(filterValue)) { + log.info(filterValue + "==" + key + "==" + getEventObjectVal(key) + COMP_FALSE); + return false; + } + } else { + if (!(getEventObjectVal(key).toString().equals(filterValue))) { + log.info(filterValue + "==" + key + "==" + getEventObjectVal(key) + COMP_FALSE); + return false; + } + } + } + return true; + } + + + public boolean isFilterMet(JSONObject jo) { + for (String key : jo.keySet()) { + if ("not".equals(key)) { + JSONObject njo = jo.getJSONObject(key); + for (String njoKey : njo.keySet()) { + if (!checkFilter(njo, njoKey, key)) + return false; + } + } else { + if (!checkFilter(jo, key, key)) + return false; + } + } + return true; + } + + /** + * returns a string or JSONObject or JSONArray + **/ + public Object getEventObjectVal(String keySeriesStr) { + keySeriesStr = keySeriesStr.replaceAll("\\[", "."); + keySeriesStr = keySeriesStr.replaceAll("\\]", "."); + if (keySeriesStr.contains("..")) { + keySeriesStr = keySeriesStr.replaceAll("\\.\\.", "."); + } + + if (keySeriesStr.lastIndexOf(".") == keySeriesStr.length() - 1) + keySeriesStr = keySeriesStr.substring(0, keySeriesStr.length() - 1); + String[] keySet = keySeriesStr.split("\\.", keySeriesStr.length()); + Object keySeriesObj = event; + for (String aKeySet : keySet) { + if (keySeriesObj != null) { + if (keySeriesObj instanceof String) { + + log.info("STRING==" + keySeriesObj); + } else if (keySeriesObj instanceof JSONArray) { + keySeriesObj = ((JSONArray) keySeriesObj).optJSONObject(Integer.parseInt(aKeySet)); + + } else if (keySeriesObj instanceof JSONObject) { + keySeriesObj = ((JSONObject) keySeriesObj).opt(aKeySet); + + } else { + log.info("unknown object==" + keySeriesObj); + } + } + } + + if (keySeriesObj == null) + return OBJECT_NOT_FOUND; + return keySeriesObj; + } + + public void setEventObjectVal(String keySeriesStr, Object value) { + setEventObjectVal(keySeriesStr, value, "string"); + } + + /** + * returns a string or JSONObject or JSONArray + **/ + public void setEventObjectVal(String keySeriesStr, Object value, String fieldType) { + keySeriesStr = keySeriesStr.replaceAll("\\[", "."); + keySeriesStr = keySeriesStr.replaceAll("\\]", "."); + if (keySeriesStr.contains("..")) { + keySeriesStr = keySeriesStr.replaceAll("\\.\\.", "."); + } + log.info("fieldType==" + fieldType); + + if (keySeriesStr.lastIndexOf(".") == keySeriesStr.length() - 1) + keySeriesStr = keySeriesStr.substring(0, keySeriesStr.length() - 1); + String[] keySet = keySeriesStr.split("\\.", keySeriesStr.length()); + Object keySeriesObj = event; + for (int i = 0; i < (keySet.length - 1); i++) { + + if (keySeriesObj instanceof JSONArray) { + + if (((JSONArray) keySeriesObj).optJSONObject(Integer.parseInt(keySet[i])) == null) // if + // the + // object + // is + // not + // there + // then + // add + // it + { + log.info("Object is null, must add it"); + if (keySet[i + 1].matches("[0-9]*")) // if index then array + ((JSONArray) keySeriesObj).put(Integer.parseInt(keySet[i]), new JSONArray()); + else + ((JSONArray) keySeriesObj).put(Integer.parseInt(keySet[i]), new JSONObject()); + } + keySeriesObj = ((JSONArray) keySeriesObj).optJSONObject(Integer.parseInt(keySet[i])); + + } else if (keySeriesObj instanceof JSONObject) { + if (((JSONObject) keySeriesObj).opt(keySet[i]) == null) // if + // the + // object + // is + // not + // there + // then + // add + // it + { + if (keySet[i + 1].matches("[0-9]*")) // if index then array + ((JSONObject) keySeriesObj).put(keySet[i], new JSONArray()); + else + ((JSONObject) keySeriesObj).put(keySet[i], new JSONObject()); + log.info("Object is null, must add it"); + } + keySeriesObj = ((JSONObject) keySeriesObj).opt(keySet[i]); + } else { + log.info("unknown object==" + keySeriesObj); + } + } + if ("number".equals(fieldType)) { + DecimalFormat df = new DecimalFormat("#.0"); + if (value instanceof String) + ((JSONObject) keySeriesObj).put(keySet[keySet.length - 1], + Float.valueOf(df.format(Float.valueOf((String) value)))); + else + ((JSONObject) keySeriesObj).put(keySet[keySet.length - 1], Float.valueOf(df.format(value))); + } else if ("integer".equals(fieldType) && value instanceof String) + ((JSONObject) keySeriesObj).put(keySet[keySet.length - 1], Integer.valueOf((String) value)); + else if ("JArray".equals(fieldType)) + ((JSONArray) keySeriesObj).put(value); + else + ((JSONObject) keySeriesObj).put(keySet[keySet.length - 1], value); + + } +} |