74 lines
3.0 KiB
Java
74 lines
3.0 KiB
Java
/*
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* Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License. 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 distributed under the License
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* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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* or implied. See the License for the specific language governing permissions and limitations under
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* the License.
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*/
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package monasca.api.resource;
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import com.codahale.metrics.annotation.Timed;
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import com.google.common.base.Splitter;
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import com.google.common.base.Strings;
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import monasca.api.app.validation.Validation;
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import monasca.api.domain.model.statistic.StatisticRepository;
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import monasca.api.domain.model.statistic.Statistics;
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import com.wordnik.swagger.annotations.Api;
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import com.wordnik.swagger.annotations.ApiOperation;
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import org.joda.time.DateTime;
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import javax.inject.Inject;
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import javax.ws.rs.*;
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import javax.ws.rs.core.MediaType;
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import java.util.List;
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import java.util.Map;
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// import com.hpcloud.util.stats.Statistics;
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/**
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* Statistics resource implementation.
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*/
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@Path("/v2.0/metrics/statistics")
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@Api(value = "/v2.0/statistics", description = "Operations for accessing statistics")
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public class StatisticResource {
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private static final Splitter COMMA_SPLITTER = Splitter.on(',').omitEmptyStrings().trimResults();
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private final StatisticRepository repo;
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@Inject
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public StatisticResource(StatisticRepository repo) {
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this.repo = repo;
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}
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@GET
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@Timed
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@Produces(MediaType.APPLICATION_JSON)
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@ApiOperation(value = "Get statistics", response = Statistics.class, responseContainer = "List")
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public List<Statistics> get(@HeaderParam("X-Tenant-Id") String tenantId,
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@QueryParam("name") String name, @QueryParam("dimensions") String dimensionsStr,
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@QueryParam("start_time") String startTimeStr, @QueryParam("end_time") String endTimeStr,
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@QueryParam("statistics") String statisticsStr,
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@DefaultValue("300") @QueryParam("period") String periodStr) throws Exception {
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// Validate query parameters
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DateTime startTime = Validation.parseAndValidateDate(startTimeStr, "start_time", true);
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DateTime endTime = Validation.parseAndValidateDate(endTimeStr, "end_time", false);
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Validation.validateTimes(startTime, endTime);
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Validation.validateNotNullOrEmpty(statisticsStr, "statistics");
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int period = Validation.parseAndValidateNumber(periodStr, "period");
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List<String> statistics =
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Validation.parseValidateAndNormalizeStatistics(COMMA_SPLITTER.split(statisticsStr));
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Map<String, String> dimensions =
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Strings.isNullOrEmpty(dimensionsStr) ? null : Validation.parseAndValidateNameAndDimensions(
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name, dimensionsStr);
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return repo.find(tenantId, name, dimensions, startTime, endTime, statistics, period);
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}
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}
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