Java tutorial
/* * #%L * ACS AEM Commons Bundle * %% * Copyright (C) 2013 - 2018 Adobe * %% * 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. * #L% */ package com.adobe.acs.commons.adobeio.service.impl; import java.util.Collection; import org.apache.commons.lang3.StringUtils; import org.apache.sling.hc.api.HealthCheck; import org.apache.sling.hc.api.Result; import org.apache.sling.hc.util.FormattingResultLog; import org.osgi.service.component.annotations.Component; import org.osgi.service.component.annotations.Reference; import com.adobe.acs.commons.adobeio.service.EndpointService; import com.adobe.acs.commons.adobeio.service.IntegrationService; import com.google.gson.JsonObject; @Component(service = HealthCheck.class, property = { HealthCheck.NAME + "=ACS AEM Commons - Adobe I/O configuration", HealthCheck.TAGS + "=adobeio", HealthCheck.MBEAN_NAME + "=ACS AEM Commons - Adobe I/O health check" }) public class AdobeioHealthcheck implements HealthCheck { @Reference private IntegrationService integrationService; @Reference private volatile Collection<EndpointService> endpoints; @Override public Result execute() { final FormattingResultLog resultLog = new FormattingResultLog(); boolean integrationOk = true; resultLog.debug("Health check for Adobe I/O"); if (StringUtils.isNotEmpty(integrationService.getApiKey())) { resultLog.debug("Starting validation for x-api-key {}", integrationService.getApiKey()); } else { resultLog.critical("No api key is specified in the OSGi-config"); integrationOk = false; } resultLog.debug("Obtaining the access token"); String accessToken = integrationService.getAccessToken(); if (StringUtils.isNotEmpty(accessToken)) { resultLog.info("Access token succesfully obtained {}", accessToken); } else { resultLog.critical("Could not obtain the access token"); integrationOk = false; } if (!integrationOk) { resultLog.info("IntegrationService not healthy; skipping Endpoint checks."); } if (endpoints == null || endpoints.isEmpty()) { resultLog.warn("No Endpoint Services found."); return new Result(resultLog); } for (EndpointService endpoint : endpoints) { execute(resultLog, endpoint); } resultLog.info("Healthcheck completed"); return new Result(resultLog); } private void execute(final FormattingResultLog resultLog, EndpointService endpoint) { resultLog.info("Checking Adobe I/O endpoint {}", endpoint.getId()); if ("GET".equalsIgnoreCase(endpoint.getMethod())) { resultLog.debug("Executing Adobe I/O call to {}", endpoint.getUrl()); JsonObject json = endpoint.performIO_Action(); if (json != null) { resultLog.debug("JSON-response {}", json.toString()); if (StringUtils.contains(json.toString(), "error")) { resultLog.critical("Error returned from the API-call"); } } } else { resultLog.debug("Method != GET, but {}", endpoint.getMethod()); } } }