Java tutorial
/* * Artifactory is a binaries repository manager. * Copyright (C) 2012 JFrog Ltd. * * Artifactory is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Artifactory is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with Artifactory. If not, see <http://www.gnu.org/licenses/>. */ package org.artifactory.rest.resource.system; import org.apache.commons.httpclient.HttpStatus; import org.artifactory.addon.AddonsManager; import org.artifactory.api.context.ContextHelper; import org.artifactory.api.rest.constant.SystemRestConstants; import org.artifactory.api.security.AuthorizationService; import org.artifactory.api.storage.StorageService; import org.artifactory.common.ArtifactoryHome; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.config.BeanDefinition; import org.springframework.context.annotation.Scope; import org.springframework.stereotype.Component; import javax.annotation.security.RolesAllowed; import javax.ws.rs.GET; import javax.ws.rs.Path; import javax.ws.rs.Produces; import javax.ws.rs.core.MediaType; import javax.ws.rs.core.Response; /** * Resource to get information about Artifactory current state. * The method will: * <ul><li>Check that DB behaves correctly (do an actual DB retrieve)</li> * <li>Check that the logger behaves correctly (read and/or write to log)</li></ul> * Upon results return: * <ul><li>Code 200 with text exactly equal to "OK" if all is good</li> * <li>Code 500 with failure description in the text if something wrong</li></ul> * * @author Fred Simon */ @Component @Scope(BeanDefinition.SCOPE_SINGLETON) @Path(SystemRestConstants.PATH_ROOT + "/" + SystemRestConstants.PATH_PING) @RolesAllowed({ AuthorizationService.ROLE_ADMIN, AuthorizationService.ROLE_USER }) public class PingResource { private static final Logger log = LoggerFactory.getLogger(PingResource.class); @Autowired private AddonsManager addonsManager; /** * @return The artifactory state "OK" or "Failure" */ @GET @Produces({ MediaType.TEXT_PLAIN }) public Response pingArtifactory() { try { log.debug("Received ping call"); // Check that addons are OK if needed if (addonsManager.lockdown()) { log.error("Ping failed due to unloaded addons"); return Response.status(HttpStatus.SC_FORBIDDEN).entity("Addons unloaded").build(); } ArtifactoryHome artifactoryHome = ArtifactoryHome.get(); if (!artifactoryHome.getDataDir().canWrite() || !artifactoryHome.getLogDir().canWrite()) { log.error("Ping failed due to file system access to data or log dir failed"); return Response.status(HttpStatus.SC_INTERNAL_SERVER_ERROR).entity("File system access failed") .build(); } ContextHelper.get().beanForType(StorageService.class).ping(); } catch (Exception e) { log.error("Error during ping test", e); return Response.status(HttpStatus.SC_INTERNAL_SERVER_ERROR).entity(e.getMessage()).build(); } log.debug("Ping successful"); return Response.ok().entity("OK").build(); } }