134 lines
3.6 KiB
Java
134 lines
3.6 KiB
Java
/*
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* Copyright 2020 Mark Nellemann <mark.nellemann@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package biz.nellemann.hmci;
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import biz.nellemann.hmci.pcm.PcmData;
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import com.serjltt.moshi.adapters.FirstElement;
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import com.squareup.moshi.FromJson;
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import com.squareup.moshi.JsonAdapter;
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import com.squareup.moshi.Moshi;
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import com.squareup.moshi.ToJson;
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import java.io.IOException;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.math.BigDecimal;
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import java.time.Instant;
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import java.time.format.DateTimeFormatter;
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import java.time.format.DateTimeParseException;
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abstract class MetaSystem {
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private final static Logger log = LoggerFactory.getLogger(MetaSystem.class);
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private final JsonAdapter<PcmData> jsonAdapter;
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protected PcmData metrics;
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MetaSystem() {
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try {
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Moshi moshi = new Moshi.Builder().add(new NumberAdapter()).add(new BigDecimalAdapter()).add(FirstElement.ADAPTER_FACTORY).build();
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jsonAdapter = moshi.adapter(PcmData.class);
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} catch(Exception e) {
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log.warn("MetaSystem() error", e);
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throw new ExceptionInInitializerError(e);
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}
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}
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void processMetrics(String json) {
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try {
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metrics = jsonAdapter.nullSafe().fromJson(json);
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} catch(IOException e) {
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log.warn("processMetrics() error", e);
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}
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//System.out.println(jsonAdapter.toJson(metrics));
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}
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Instant getTimestamp() {
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String timestamp = getStringMetricObject(metrics.systemUtil.sample.sampleInfo.timeStamp);
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Instant instant = Instant.now();
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try {
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log.trace("getTimeStamp() - PMC Timestamp: {}", timestamp);
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DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss[XXX][X]");
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instant = Instant.from(dateTimeFormatter.parse(timestamp));
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log.trace("getTimestamp() - Instant: {}", instant.toString());
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} catch(DateTimeParseException e) {
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log.warn("getTimestamp() - parse error: {}", timestamp);
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}
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return instant;
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}
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String getStringMetricObject(Object obj) {
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String metric = null;
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try {
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metric = (String) obj;
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} catch (NullPointerException npe) {
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log.warn("getStringMetricObject()", npe);
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}
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return metric;
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}
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Number getNumberMetricObject(Object obj) {
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Number metric = null;
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try {
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metric = (Number) obj;
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} catch (NullPointerException npe) {
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log.warn("getNumberMetricObject()", npe);
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}
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return metric;
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}
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static class BigDecimalAdapter {
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@FromJson
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BigDecimal fromJson(String string) {
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return new BigDecimal(string);
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}
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@ToJson
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String toJson(BigDecimal value) {
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return value.toString();
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}
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}
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static class NumberAdapter {
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@FromJson
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Number fromJson(String string) {
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return Double.parseDouble(string);
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}
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@ToJson
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String toJson(Number value) {
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return value.toString();
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}
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}
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}
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