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/*
* ============LICENSE_START========================================================================
* ONAP : ccsdk feature sdnr wt
* =================================================================================================
* Copyright (C) 2019 highstreet technologies GmbH 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.ccsdk.features.sdnr.wt.dataprovider.model.types;
import java.time.LocalDateTime;
import java.time.OffsetDateTime;
import java.time.ZoneOffset;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.time.format.DateTimeParseException;
import java.util.Date;
import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.NetconfTimeStamp;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.DateAndTime;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* 2019/06/17 Redesign to ZonedDateTime because of sync problems.
*
* Function is handling the NETCONF and the format used by database and restconf communication.
*
* Input supported for the formats used in NETCONF messages:
*
* Format1 ISO 8601 2017-01-18T11:44:49.482-05:00
*
* Format2 NETCONF - pattern from ietf-yang-types "2013-07-15" Pattern:
* "\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\.\d+)?(Z|[\+\-](\d{2}):(\d{2}))"
*
* Format3 NETCONF DateAndTime CoreModel-CoreFoundationModule-TypeDefinitions vom 2016-07-01 Example1: 20170118114449.1Z
* Example2: 20170118114449.1-0500 Pattern: "\d{4}\d{2}\d{2}\d{2}\d{2}\d{2}.\d+?(Z|[\+\-](\d{2})(\d{2}))" typedef
* DateAndTime { description "This primitive type defines the date and time according to the following structure:
* 'yyyyMMddhhmmss.s[Z|{+|-}HHMm]' where: yyyy '0000'..'9999' year MM '01'..'12' month dd '01'..'31' day hh '00'..'23'
* hour mm '00'..'59' minute ss '00'..'59' second s '.0'..'.9' tenth of second (set to '.0' if EMS or NE cannot support
* this granularity) Z 'Z' indicates UTC (rather than local time) {+|-} '+' or '-' delta from UTC HH '00'..'23' time
* zone difference in hours Mm '00'..'59' time zone difference in minutes."; type string; } Format4 E/// specific
* Example1: 2017-01-23T13:32:38-05:00 Example2: 2017-01-23T13:32-05:00
*
* Input formats netconfTime as String according the formats given above
*
* Return format is String in ISO8601 Format for database and presentation.
*
* Example formats: 1) ISO8601. Example 2017-01-18T11:44:49.482-05:00 2) Microwave ONF. Examples 20170118114449.1Z,
* 20170118114449.1-0500 3.1) Ericson. Example: 2017-01-23T13:32:38-05:00 3.2) Ericson. Example: 2017-01-23T13:32-05:00
* Always 10 Groups, 1:Year 2:Month 3:day 4:Hour 5:minute 6:optional sec 7:optional ms 8:optional Z or 9:offset
* signedhour 10:min
*
* Template: private static final NetconfTimeStamp NETCONFTIME_CONVERTER = NetconfTimeStamp.getConverter();
*/
public class NetconfTimeStampImpl implements NetconfTimeStamp {
private static final Logger LOG = LoggerFactory.getLogger(NetconfTimeStamp.class);
private static final NetconfTimeStamp CONVERTER = new NetconfTimeStampImpl();
/**
* Specify the input format expected from netconf, and from specific devices.
*/
private static DateTimeFormatter formatterInput =
DateTimeFormatter.ofPattern("" + "[yyyy-MM-dd'T'HH:mm[:ss][.SSS][.SS][.S][xxx][xx][X][Z]]"
+ "[yyyyMMddHHmmss[.SSS][.SS][.S][xxx][xx][X][Z]]").withZone(ZoneOffset.UTC);
/**
* Specify output format that is used internally
*/
private static DateTimeFormatter formatterOutput =
DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss.S'Z'").withZone(ZoneOffset.UTC);
/**
* Use static access
*/
private NetconfTimeStampImpl() {}
/*
* ------------------------------------ Public function
*/
/**
* Use this function to get the converter
*
* @return global converter
*/
public static NetconfTimeStamp getConverter() {
return CONVERTER;
}
/**
* Get actual timestamp as NETCONF specific type NETCONF/YANG 1.0 Format
*
* @return String with Date in NETCONF/YANG Format Version 1.0.
*/
@Override
public String getTimeStampAsNetconfString() {
return ZonedDateTime.now(ZoneOffset.UTC).format(formatterOutput);
}
/**
* Get actual timestamp as NETCONF specific type NETCONF/YANG 1.0 Format
*
* @return String with Date in NETCONF/YANG Format Version 1.0.
*/
@Override
public String getTimeStampAsNetconfString(Date date) {
return ZonedDateTime.ofInstant(date.toInstant(), ZoneOffset.UTC).format(formatterOutput);
}
/**
* Get actual timestamp as NETCONF specific type NETCONF/YANG 1.0 Format in GMT
*
* @return DateAndTime Type 1.0. Date in NETCONF/YANG Format Version 1.0.
*/
@Override
public DateAndTime getTimeStamp() {
return DateAndTime.getDefaultInstance(getTimeStampAsNetconfString());
}
/**
* Get time from date as NETCONF specific type NETCONF/YANG 1.0 Format in GMT
*
* @param date specifying the date and time
* @return DateAndTime Type 1.0. Date in NETCONF/YANG Format Version 1.0.
*/
@Override
public DateAndTime getTimeStamp(Date date) {
return DateAndTime.getDefaultInstance(getTimeStampAsNetconfString(date));
}
/**
* Get time from date as NETCONF specific type NETCONF/YANG 1.0 Format in GMT
*
* @param date specifying the date and time
* @return DateAndTime Type 1.0. Date in NETCONF/YANG Format Version 1.0.
*/
@Override
public DateAndTime getTimeStamp(String date) {
return DateAndTime.getDefaultInstance(date);
}
/**
* Return the String with a NETCONF time converted to long
*
* @param netconfTime as String according the formats given above
* @return Epoch milliseconds
* @throws IllegalArgumentException In case of no compliant time format definition for the string
*/
@Override
public long getTimeStampFromNetconfAsMilliseconds(String netconfTime) throws IllegalArgumentException {
try {
long utcMillis = doParse(netconfTime).toInstant().toEpochMilli();
return utcMillis;
} catch (DateTimeParseException e) {
throw new IllegalArgumentException(
"No pattern for NETCONF data string: " + netconfTime + " Msg:" + e.getMessage());
}
}
/**
* Deliver String result.
*
* @param netconfTime as String according the formats given above
* @return If successful: String in ISO8601 Format for database and presentation. If "wrong formed input" the Input
* string with the prefix "Maleformed date" is delivered back.
*/
@Override
public String getTimeStampFromNetconf(String netconfTime) {
try {
String inputUTC = doParse(netconfTime).format(formatterOutput);
return inputUTC;
} catch (Exception e) {
LOG.info(e.getMessage());
}
LOG.debug("No pattern for NETCONF data string: {}", netconfTime);
return "Malformed date: " + netconfTime; // Error handling
}
/*----------------------------------------------------
* Private functions
*/
private OffsetDateTime doParse(String netconfTime) {
return OffsetDateTime.parse(netconfTime, formatterInput);
}
@Override
public Date getDateFromNetconf(String netconfTime) {
return Date.from(LocalDateTime.parse(netconfTime, formatterInput).atZone(ZoneOffset.UTC).toInstant());
}
@Override
public String getTimeStampAsNetconfString(LocalDateTime dt) {
return formatterOutput.format(dt);
}
}
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