183 lines
7.4 KiB
Java
183 lines
7.4 KiB
Java
/*
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* Copyright (c) 2014,2016 Hewlett Packard Enterprise 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.google.common.base.Strings;
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import com.codahale.metrics.annotation.Timed;
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import com.fasterxml.jackson.databind.JsonMappingException;
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import java.io.UnsupportedEncodingException;
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import java.net.URI;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Map;
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import javax.inject.Inject;
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import javax.validation.Valid;
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import javax.ws.rs.Consumes;
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import javax.ws.rs.DELETE;
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import javax.ws.rs.GET;
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import javax.ws.rs.HeaderParam;
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import javax.ws.rs.POST;
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import javax.ws.rs.PUT;
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import javax.ws.rs.Path;
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import javax.ws.rs.PathParam;
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import javax.ws.rs.Produces;
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import javax.ws.rs.QueryParam;
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import javax.ws.rs.core.Context;
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import javax.ws.rs.core.MediaType;
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import javax.ws.rs.core.Response;
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import javax.ws.rs.core.UriInfo;
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import monasca.api.app.AlarmDefinitionService;
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import monasca.api.app.command.CreateAlarmDefinitionCommand;
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import monasca.api.app.command.PatchAlarmDefinitionCommand;
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import monasca.api.app.command.UpdateAlarmDefinitionCommand;
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import monasca.api.app.validation.AlarmValidation;
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import monasca.api.app.validation.Validation;
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import monasca.api.domain.model.alarmdefinition.AlarmDefinition;
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import monasca.api.domain.model.alarmdefinition.AlarmDefinitionRepo;
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import monasca.api.infrastructure.persistence.PersistUtils;
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import monasca.api.resource.annotation.PATCH;
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import monasca.common.model.alarm.AlarmExpression;
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import monasca.common.model.alarm.AlarmSeverity;
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/**
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* Alarm definition resource implementation.
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*/
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@Path(AlarmDefinitionResource.ALARM_DEFINITIONS_PATH)
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public class AlarmDefinitionResource {
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private final AlarmDefinitionService service;
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private final AlarmDefinitionRepo repo;
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private final PersistUtils persistUtils;
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public final static String ALARM_DEFINITIONS = "alarm-definitions";
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public final static String ALARM_DEFINITIONS_PATH = "/v2.0/" + ALARM_DEFINITIONS;
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private final static List<String> ALLOWED_SORT_BY = Arrays.asList("id", "name", "severity",
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"updated_at", "created_at");
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@Inject
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public AlarmDefinitionResource(AlarmDefinitionService service,
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AlarmDefinitionRepo repo,
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PersistUtils persistUtils) {
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this.service = service;
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this.repo = repo;
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this.persistUtils = persistUtils;
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}
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@POST
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@Timed
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@Consumes(MediaType.APPLICATION_JSON)
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@Produces(MediaType.APPLICATION_JSON)
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public Response create(@Context UriInfo uriInfo, @HeaderParam("X-Tenant-Id") String tenantId,
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@Valid CreateAlarmDefinitionCommand command) {
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command.validate();
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AlarmExpression alarmExpression = AlarmValidation.validateNormalizeAndGet(command.expression);
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AlarmDefinition alarm =
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Links.hydrate(service.create(tenantId, command.name, command.description, command.severity,
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command.expression, alarmExpression, command.matchBy, command.alarmActions,
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command.okActions, command.undeterminedActions), uriInfo, false);
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return Response.created(URI.create(alarm.getId())).entity(alarm).build();
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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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public Object list(@Context UriInfo uriInfo,
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@HeaderParam("X-Tenant-Id") String tenantId, @QueryParam("name") String name,
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@QueryParam("dimensions") String dimensionsStr,
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@QueryParam("severity") String severityStr,
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@QueryParam("sort_by") String sortByStr,
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@QueryParam("offset") String offset,
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@QueryParam("limit") String limit) throws UnsupportedEncodingException {
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Map<String, String> dimensions =
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Strings.isNullOrEmpty(dimensionsStr) ? null : Validation
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.parseAndValidateDimensions(dimensionsStr);
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List<String> sortByList = Validation.parseAndValidateSortBy(sortByStr, ALLOWED_SORT_BY);
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if (!Strings.isNullOrEmpty(offset)) {
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Validation.parseAndValidateNumber(offset, "offset");
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}
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List<AlarmSeverity> severityList = Validation.parseAndValidateSeverity(severityStr);
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final int paging_limit = this.persistUtils.getLimit(limit);
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final List<AlarmDefinition> resources = repo.find(tenantId,
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name,
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dimensions,
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severityList,
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sortByList,
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offset,
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paging_limit
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);
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return Links.paginateAlarming(paging_limit, Links.hydrate(resources, uriInfo), uriInfo);
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}
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@GET
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@Timed
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@Path("/{alarm_definition_id}")
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@Produces(MediaType.APPLICATION_JSON)
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public AlarmDefinition get(
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@Context UriInfo uriInfo,
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@HeaderParam("X-Tenant-Id") String tenantId,
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@PathParam("alarm_definition_id") String alarmDefinitionId) {
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return Links.hydrate(repo.findById(tenantId, alarmDefinitionId), uriInfo, true);
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}
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@PUT
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@Timed
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@Path("/{alarm_definition_id}")
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@Consumes(MediaType.APPLICATION_JSON)
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@Produces(MediaType.APPLICATION_JSON)
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public AlarmDefinition update(@Context UriInfo uriInfo,
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@HeaderParam("X-Tenant-Id") String tenantId,
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@PathParam("alarm_definition_id") String alarmDefinitionId,
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@Valid UpdateAlarmDefinitionCommand command) {
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command.validate();
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AlarmExpression alarmExpression = AlarmValidation.validateNormalizeAndGet(command.expression);
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return Links.hydrate(service.update(tenantId, alarmDefinitionId, alarmExpression, command),
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uriInfo, true);
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}
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@PATCH
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@Timed
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@Path("/{alarm_definition_id}")
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@Consumes(MediaType.APPLICATION_JSON)
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@Produces(MediaType.APPLICATION_JSON)
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public AlarmDefinition patch(@Context UriInfo uriInfo,
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@HeaderParam("X-Tenant-Id") String tenantId,
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@PathParam("alarm_definition_id") String alarmDefinitionId,
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@Valid PatchAlarmDefinitionCommand command) throws JsonMappingException {
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command.validate();
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AlarmExpression alarmExpression =
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command.expression == null ? null : AlarmValidation
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.validateNormalizeAndGet(command.expression);
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return Links.hydrate(service.patch(tenantId, alarmDefinitionId, command.name,
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command.description, command.severity, command.expression,
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alarmExpression, command.matchBy, command.actionsEnabled,
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command.alarmActions, command.okActions,
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command.undeterminedActions),
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uriInfo, true);
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}
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@DELETE
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@Timed
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@Path("/{alarm_definition_id}")
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public void delete(@HeaderParam("X-Tenant-Id") String tenantId,
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@PathParam("alarm_definition_id") String alarmDefinitionId) {
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service.delete(tenantId, alarmDefinitionId);
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}
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}
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