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/*-
* ============LICENSE_START=======================================================
* 2018-2019 Nordix Foundation. 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.dcaegen2.collectors.datafile.utils;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
/**
* Utility class to produce correctly formatted fileReady event Json messages.
*
* @author <a href="mailto:henrik.b.andersson@est.tech">Henrik Andersson</a> on 7/25/18
*
*/
public class JsonMessage {
private String eventName;
private String changeIdentifier;
private String changeType;
private String notificationFieldsVersion;
private List<AdditionalField> arrayOfAdditionalFields;
public List<AdditionalField> getAdditionalFields() {
return arrayOfAdditionalFields;
}
@Override
public String toString() {
return "[" + getParsed() + "]";
}
/**
* Gets the message in parsed format.
*
* @return the massage in parsed format.
*/
public String getParsed() {
StringBuffer additionalFieldsString = new StringBuffer();
if (arrayOfAdditionalFields.size() > 0) {
additionalFieldsString.append("\"arrayOfNamedHashMap\":[");
for (Iterator<AdditionalField> iterator = arrayOfAdditionalFields.iterator(); iterator.hasNext();) {
AdditionalField additionalField = iterator.next();
additionalFieldsString.append(additionalField.toString());
if (iterator.hasNext()) {
additionalFieldsString.append(",");
}
}
additionalFieldsString.append("]");
}
return "{" //
+ "\"event\":" //
+ "{" //
+ "\"commonEventHeader\":" //
+ "{" //
+ "\"domain\":\"notification\"," //
+ "\"eventId\":\"<<SerialNumber>>-reg\"," //
+ "\"eventName\":\"" + eventName + "\"," //
+ "\"eventType\":\"fileReady\"," //
+ "\"internalHeaderFields\":{}," //
+ "\"lastEpochMicrosec\":1519837825682," //
+ "\"nfNamingCode\":\"5GRAN\"," //
+ "\"nfcNamingCode\":\"5DU\"," //
+ "\"priority\":\"Normal\"," //
+ "\"reportingEntityName\":\"5GRAN_DU\"," //
+ "\"sequence\":0," //
+ "\"sourceId\":\"<<SerialNumber>>\"," //
+ "\"sourceName\":\"5GRAN_DU\"," //
+ "\"timeZoneOffset\":\"UTC+05:00\"," //
+ "\"startEpochMicrosec\":\"1519837825682\"," //
+ "\"version\":3" //
+ "}," //
+ "\"notificationFields\":" //
+ "{" //
+ getAsStringIfParameterIsSet("changeIdentifier", changeIdentifier,
changeType != null || notificationFieldsVersion != null || arrayOfAdditionalFields.size() > 0)
+ getAsStringIfParameterIsSet("changeType", changeType,
notificationFieldsVersion != null || arrayOfAdditionalFields.size() > 0)
+ getAsStringIfParameterIsSet("notificationFieldsVersion", notificationFieldsVersion,
arrayOfAdditionalFields.size() > 0)
+ additionalFieldsString.toString() //
+ "}" //
+ "}" //
+ "}";
}
private JsonMessage(final JsonMessageBuilder builder) {
this.eventName = builder.eventName;
this.changeIdentifier = builder.changeIdentifier;
this.changeType = builder.changeType;
this.notificationFieldsVersion = builder.notificationFieldsVersion;
this.arrayOfAdditionalFields = builder.arrayOfAdditionalFields;
}
public static class AdditionalField {
private String name;
private String location;
private String compression;
private String fileFormatType;
private String fileFormatVersion;
@Override
public String toString() {
return "{" //
+ getAsStringIfParameterIsSet("name", name, true) //
+ "\"hashMap\":" //
+ "{"
+ getAsStringIfParameterIsSet("location", location,
compression != null || fileFormatType != null || fileFormatVersion != null)
+ getAsStringIfParameterIsSet("compression", compression,
fileFormatType != null || fileFormatVersion != null)
+ getAsStringIfParameterIsSet("fileFormatType", fileFormatType, fileFormatVersion != null)
+ getAsStringIfParameterIsSet("fileFormatVersion", fileFormatVersion, false) //
+ "}" //
+ "}";
}
private AdditionalField(AdditionalFieldBuilder builder) {
this.name = builder.name;
this.location = builder.location;
this.compression = builder.compression;
this.fileFormatType = builder.fileFormatType;
this.fileFormatVersion = builder.fileFormatVersion;
}
}
public static class AdditionalFieldBuilder {
private String name;
private String location;
private String compression;
private String fileFormatType;
private String fileFormatVersion;
public AdditionalFieldBuilder name(String name) {
this.name = name;
return this;
}
public AdditionalFieldBuilder location(String location) {
this.location = location;
return this;
}
public AdditionalFieldBuilder compression(String compression) {
this.compression = compression;
return this;
}
public AdditionalFieldBuilder fileFormatType(String fileFormatType) {
this.fileFormatType = fileFormatType;
return this;
}
public AdditionalFieldBuilder fileFormatVersion(String fileFormatVersion) {
this.fileFormatVersion = fileFormatVersion;
return this;
}
public AdditionalField build() {
return new AdditionalField(this);
}
}
public static class JsonMessageBuilder {
private String eventName;
private String changeIdentifier;
private String changeType;
private String notificationFieldsVersion;
private List<AdditionalField> arrayOfAdditionalFields = new ArrayList<AdditionalField>();
public JsonMessageBuilder eventName(String eventName) {
this.eventName = eventName;
return this;
}
public JsonMessageBuilder changeIdentifier(String changeIdentifier) {
this.changeIdentifier = changeIdentifier;
return this;
}
public JsonMessageBuilder changeType(String changeType) {
this.changeType = changeType;
return this;
}
public JsonMessageBuilder notificationFieldsVersion(String notificationFieldsVersion) {
this.notificationFieldsVersion = notificationFieldsVersion;
return this;
}
public JsonMessageBuilder addAdditionalField(AdditionalField additionalField) {
this.arrayOfAdditionalFields.add(additionalField);
return this;
}
public JsonMessage build() {
return new JsonMessage(this);
}
}
private static String getAsStringIfParameterIsSet(String parameterName, String parameterValue,
boolean withSeparator) {
String result = "";
if (parameterValue != null) {
result = "\"" + parameterName + "\":\"" + parameterValue + "\"";
if (withSeparator) {
result = result + ",";
}
}
return result;
}
/**
* Can be used to produce a correct test Json message. Tip! Check the formatting with
* <a href="https://jsonformatter.org/">Json formatter</a>
*
* @param args Not used
*/
public static void main(String[] args) {
AdditionalField additionalField = new JsonMessage.AdditionalFieldBuilder() //
.name("A20161224.1030-1045.bin.gz") //
.location("ftpes://192.168.0.101:22/ftp/rop/A20161224.1030-1045.bin.gz") //
.compression("gzip") //
.fileFormatType("org.3GPP.32.435#measCollec") //
.fileFormatVersion("V10") //
.build();
AdditionalField secondAdditionalField = new JsonMessage.AdditionalFieldBuilder() //
.name("A20161224.1030-1045.bin.gz") //
.location("sftp://192.168.0.101:22/ftp/rop/A20161224.1030-1045.bin.gz") //
.compression("gzip") //
.fileFormatType("org.3GPP.32.435#measCollec") //
.fileFormatVersion("V10") //
.build();
JsonMessage message = new JsonMessage.JsonMessageBuilder() //
.eventName("Noti_NrRadio-Ericsson_FileReady") //
.changeIdentifier("PM_MEAS_FILES") //
.changeType("FileReady") //
.notificationFieldsVersion("2.0") //
.addAdditionalField(additionalField) //
.addAdditionalField(secondAdditionalField) //
.build();
System.out.println(message.toString());
}
}
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