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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* 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.openecomp.sdc.common.datastructure;
import org.codehaus.jettison.json.JSONException;
import org.codehaus.jettison.json.JSONObject;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Formatter;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Locale;
import java.util.Map;
import java.util.TimeZone;
/**
* Extending this class enforces the objects of implementing classes to have a
* timestamp, so that like in logstash, we can derive the index name for those
* object from the timestamp.
*
* @author paharoni
*/
public class ESTimeBasedEvent {
private static final int TIMESTAMP_YEAR_SUBSTRING = 4;
private static final int TIMESTAMP_MONTH_SUBSTRING = 7;
private static final int TIMESTAMP_DAY_SUBSTRING = 10;
private static final int TIMESTAMP_HOURS_START = 11;
private static final int TIMESTAMP_HOURS_END = 13;
private static final int TIMESTAMP_MINUTES_START = 14;
private static final int TIMESTAMP_MINUTES_END = 16;
protected SimpleDateFormat simpleDateFormat;
protected static String dateFormatPattern = "yyyy-MM-dd HH:mm:ss.SSS z";
protected String timestamp;
protected Map<String, Object> fields = new HashMap<>();
public ESTimeBasedEvent() {
simpleDateFormat = new SimpleDateFormat(dateFormatPattern);
simpleDateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
this.timestamp = simpleDateFormat.format(new Date());
fields.put(AuditingFieldsKey.AUDIT_TIMESTAMP.getDisplayName(), this.timestamp);
}
public static ESTimeBasedEvent createEventFromJson(String jsonString) throws JSONException {
ESTimeBasedEvent event = new ESTimeBasedEvent();
JSONObject gsonObj;
gsonObj = new JSONObject(jsonString);
Iterator keys = gsonObj.keys();
while (keys.hasNext()) {
String key = (String) keys.next();
event.fields.put(key, gsonObj.get(key));
if (key.equals(AuditingFieldsKey.AUDIT_TIMESTAMP.getDisplayName())) {
event.timestamp = (String) gsonObj.get(key);
}
}
return event;
}
public String calculateYearIndexSuffix() {
return timestamp.substring(0, TIMESTAMP_YEAR_SUBSTRING);
}
public String calculateMonthIndexSuffix() {
return timestamp.substring(0, TIMESTAMP_MONTH_SUBSTRING);
}
public String calculateDayIndexSuffix() {
return timestamp.substring(0, TIMESTAMP_DAY_SUBSTRING);
}
public String calculateHourIndexSuffix() {
return calculateBaseIndexSuffix().toString();
}
public String calculateMinuteIndexSuffix() {
return calculateBaseIndexSuffix().append("-").append(timestamp, TIMESTAMP_MINUTES_START, TIMESTAMP_MINUTES_END).toString();
}
private StringBuilder calculateBaseIndexSuffix() {
return new StringBuilder().append(timestamp, 0, TIMESTAMP_DAY_SUBSTRING).append("-").append(timestamp, TIMESTAMP_HOURS_START, TIMESTAMP_HOURS_END);
}
protected String getFormattedString(String template, Object... params) {
String res;
StringBuilder sb = new StringBuilder();
try (Formatter formatter = new Formatter(sb, Locale.US)) {
formatter.format(template, params);
res = formatter.toString();
}
return res;
}
public String getTimestamp() {
return timestamp;
}
public void setTimestamp(String timestamp) {
this.timestamp = timestamp;
}
public Map<String, Object> getFields() {
return fields;
}
public void setFields(Map<String, Object> fields) {
this.fields = fields;
}
}
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