| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| package org.apache.camel.component.aws.cw; |
| |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Date; |
| import java.util.List; |
| import java.util.Map; |
| |
| import com.amazonaws.services.cloudwatch.model.Dimension; |
| import com.amazonaws.services.cloudwatch.model.MetricDatum; |
| import com.amazonaws.services.cloudwatch.model.PutMetricDataRequest; |
| import com.amazonaws.services.cloudwatch.model.StandardUnit; |
| import org.apache.camel.Endpoint; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.support.DefaultProducer; |
| import org.apache.camel.util.CastUtils; |
| import org.apache.camel.util.URISupport; |
| |
| /** |
| * A Producer which sends messages to the AWS CloudWatch Service |
| */ |
| public class CwProducer extends DefaultProducer { |
| |
| private transient String cwProducerToString; |
| |
| public CwProducer(Endpoint endpoint) { |
| super(endpoint); |
| } |
| |
| public void process(Exchange exchange) throws Exception { |
| List<MetricDatum> metricData = getMetricData(exchange); |
| |
| PutMetricDataRequest request = new PutMetricDataRequest() |
| .withMetricData(metricData) |
| .withNamespace(determineNameSpace(exchange)); |
| |
| log.info("Sending request [{}] from exchange [{}]...", request, exchange); |
| getEndpoint().getCloudWatchClient().putMetricData(request); |
| } |
| |
| private List<MetricDatum> getMetricData(Exchange exchange) { |
| Object body = exchange.getIn().getBody(); |
| if (body instanceof List) { |
| return CastUtils.cast((List<?>) body); |
| } |
| |
| if (body instanceof MetricDatum) { |
| return Arrays.asList((MetricDatum) body); |
| } |
| |
| MetricDatum metricDatum = new MetricDatum() |
| .withMetricName(determineName(exchange)) |
| .withValue(determineValue(exchange)) |
| .withUnit(determineUnit(exchange)) |
| .withTimestamp(determineTimestamp(exchange)); |
| setDimension(metricDatum, exchange); |
| return Arrays.asList(metricDatum); |
| } |
| |
| private void setDimension(MetricDatum metricDatum, Exchange exchange) { |
| String name = exchange.getIn().getHeader(CwConstants.METRIC_DIMENSION_NAME, String.class); |
| String value = exchange.getIn().getHeader(CwConstants.METRIC_DIMENSION_VALUE, String.class); |
| if (name != null && value != null) { |
| metricDatum.withDimensions(new Dimension().withName(name).withValue(value)); |
| } else { |
| Map<String, String> dimensions = exchange.getIn().getHeader(CwConstants.METRIC_DIMENSIONS, Map.class); |
| if (dimensions != null) { |
| Collection<Dimension> dimensionCollection = new ArrayList<>(); |
| for (Map.Entry<String, String> dimensionEntry : dimensions.entrySet()) { |
| Dimension dimension = new Dimension().withName(dimensionEntry.getKey()).withValue(dimensionEntry.getValue()); |
| dimensionCollection.add(dimension); |
| } |
| metricDatum.withDimensions(dimensionCollection); |
| } |
| } |
| } |
| |
| private Date determineTimestamp(Exchange exchange) { |
| Date timestamp = exchange.getIn().getHeader(CwConstants.METRIC_TIMESTAMP, Date.class); |
| if (timestamp == null) { |
| timestamp = getConfiguration().getTimestamp(); |
| } |
| return timestamp; |
| } |
| |
| private String determineNameSpace(Exchange exchange) { |
| String namespace = exchange.getIn().getHeader(CwConstants.METRIC_NAMESPACE, String.class); |
| if (namespace == null) { |
| namespace = getConfiguration().getNamespace(); |
| } |
| return namespace; |
| } |
| |
| private String determineName(Exchange exchange) { |
| String name = exchange.getIn().getHeader(CwConstants.METRIC_NAME, String.class); |
| if (name == null) { |
| name = getConfiguration().getName(); |
| } |
| return name; |
| } |
| |
| private Double determineValue(Exchange exchange) { |
| Double value = exchange.getIn().getHeader(CwConstants.METRIC_VALUE, Double.class); |
| if (value == null) { |
| value = getConfiguration().getValue(); |
| } |
| return value != null ? value : Double.valueOf(1); |
| } |
| |
| private StandardUnit determineUnit(Exchange exchange) { |
| String unit = exchange.getIn().getHeader(CwConstants.METRIC_UNIT, String.class); |
| if (unit == null) { |
| unit = getConfiguration().getUnit(); |
| } |
| return unit != null ? StandardUnit.valueOf(unit) : StandardUnit.Count; |
| } |
| |
| protected CwConfiguration getConfiguration() { |
| return getEndpoint().getConfiguration(); |
| } |
| |
| @Override |
| public String toString() { |
| if (cwProducerToString == null) { |
| cwProducerToString = "CwProducer[" + URISupport.sanitizeUri(getEndpoint().getEndpointUri()) + "]"; |
| } |
| return cwProducerToString; |
| } |
| |
| @Override |
| public CwEndpoint getEndpoint() { |
| return (CwEndpoint) super.getEndpoint(); |
| } |
| } |