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package eu.dnetlib.services.hcm;
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import java.io.IOException;
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import java.lang.management.ManagementFactory;
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import java.lang.management.RuntimeMXBean;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import java.util.TreeMap;
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import java.util.UUID;
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import java.util.stream.Collectors;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.maven.model.Model;
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import org.apache.maven.model.Parent;
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import org.apache.maven.model.io.xpp3.MavenXpp3Reader;
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import org.dom4j.DocumentHelper;
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import org.dom4j.Element;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.core.env.AbstractEnvironment;
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import org.springframework.core.env.Environment;
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import org.springframework.core.env.MapPropertySource;
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import org.springframework.core.env.PropertySource;
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import org.springframework.core.io.Resource;
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import org.springframework.core.io.ResourceLoader;
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import org.springframework.core.io.support.ResourcePatternUtils;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestMethod;
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import org.springframework.web.bind.annotation.RestController;
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import com.google.common.collect.Maps;
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import eu.dnetlib.conf.DnetGenericApplicationProperties;
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import eu.dnetlib.enabling.annotations.DnetService;
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import eu.dnetlib.enabling.annotations.DnetServiceType;
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import eu.dnetlib.miscutils.datetime.DateUtils;
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import eu.dnetlib.miscutils.datetime.HumanTime;
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import eu.dnetlib.miscutils.streams.DnetStreamSupport;
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import eu.dnetlib.services.BaseService;
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@RestController
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@RequestMapping(value = "/hcm", method = RequestMethod.GET)
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@DnetService(DnetServiceType.hcm)
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public class HCM extends BaseService {
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private static final Log log = LogFactory.getLog(HCM.class);
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@Autowired
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private Environment env;
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@Autowired
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private DnetGenericApplicationProperties containerConfiguration;
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@Autowired
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private ResourceLoader resourceLoader;
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@RequestMapping(value = "properties", method = RequestMethod.GET)
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public Map<String, Object> listProperties() {
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final Iterator<PropertySource<?>> iter = ((AbstractEnvironment) env).getPropertySources().iterator();
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return DnetStreamSupport.generateStreamFromIterator(iter)
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.filter(ps -> ps instanceof MapPropertySource)
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.map(ps -> (MapPropertySource) ps)
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.collect(Collectors.toMap(MapPropertySource::getName, MapPropertySource::getSource));
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}
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@RequestMapping(value = "info", method = RequestMethod.GET)
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public Map<String, Object> info() {
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final RuntimeMXBean mxbean = ManagementFactory.getRuntimeMXBean();
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final Map<String, Object> genInfo = Maps.newLinkedHashMap();
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genInfo.put("Hostname", containerConfiguration.getHost());
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genInfo.put("Port", containerConfiguration.getPort());
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genInfo.put("Uptime", HumanTime.exactly(mxbean.getUptime()));
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genInfo.put("Start Time", DateUtils.calculate_ISO8601(mxbean.getStartTime()));
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return genInfo;
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}
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@RequestMapping(value = "jvm", method = RequestMethod.GET)
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public Map<String, String> jvmInfo() {
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final RuntimeMXBean mxbean = ManagementFactory.getRuntimeMXBean();
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final Map<String, String> jvmInfo = Maps.newLinkedHashMap();
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jvmInfo.put("JVM Name", mxbean.getVmName());
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jvmInfo.put("JVM Vendor", mxbean.getVmVendor());
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jvmInfo.put("JVM Version", mxbean.getVmVersion());
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jvmInfo.put("JVM Spec Name", mxbean.getSpecName());
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jvmInfo.put("JVM Spec Vendor", mxbean.getSpecVendor());
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jvmInfo.put("JVM Spec Version", mxbean.getSpecVersion());
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jvmInfo.put("Running JVM Name", mxbean.getName());
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jvmInfo.put("Management Spec Version", mxbean.getManagementSpecVersion());
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return jvmInfo;
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}
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@RequestMapping(value = "libs", method = RequestMethod.GET)
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public Map<String, String> libInfo() {
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final RuntimeMXBean mxbean = ManagementFactory.getRuntimeMXBean();
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final Map<String, String> libInfo = Maps.newLinkedHashMap();
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libInfo.put("Classpath", mxbean.getClassPath().replaceAll(":", " : "));
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libInfo.put("Boot ClassPath", mxbean.getBootClassPath().replaceAll(":", " : "));
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libInfo.put("Input arguments", mxbean.getInputArguments().toString());
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libInfo.put("Library Path", mxbean.getLibraryPath().replaceAll(":", " : "));
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return libInfo;
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}
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@RequestMapping(value = "maven", method = RequestMethod.GET)
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private Map<String, Map<String, Map<String, List<String>>>> mavenModules() throws IOException {
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final Map<String, Map<String, Map<String, List<String>>>> modules = new TreeMap<>();
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final MavenXpp3Reader reader = new MavenXpp3Reader();
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for (final Resource res : ResourcePatternUtils.getResourcePatternResolver(resourceLoader).getResources("classpath*:/META-INF/**/pom.xml")) {
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try {
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final Model model = reader.read(res.getInputStream());
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final String name = model.getArtifactId();
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String groupId = model.getGroupId();
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for (Parent parent = model.getParent(); (groupId == null) && (model.getParent() != null); parent = model.getParent()) {
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groupId = parent.getGroupId();
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}
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String version = model.getVersion();
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for (Parent parent = model.getParent(); (version == null) && (model.getParent() != null); parent = model.getParent()) {
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version = parent.getVersion();
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}
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if (!modules.containsKey(groupId)) {
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modules.put(groupId, new TreeMap<>());
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}
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if (!modules.get(groupId).containsKey(name)) {
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modules.get(groupId).put(name, new TreeMap<>());
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}
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if (!modules.get(groupId).get(name).containsKey(version)) {
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modules.get(groupId).get(name).put(version, new ArrayList<>());
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}
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modules.get(groupId).get(name).get(version).add(res.getURI().toString());
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} catch (final Exception e) {
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log.warn("Error evaluating pom: " + res.getURI());
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log.debug("-- ERROR --", e);
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}
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}
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return modules;
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}
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@Override
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public List<Element> geXmlProfileSections() {
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final Element elem = DocumentHelper.createElement("HCM_SESSION_ID");
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elem.addAttribute("value", "session-" + UUID.randomUUID());
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return Arrays.asList(elem);
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}
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}
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