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package eu.dnetlib.functionality.modular.ui;
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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.Collections;
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import java.util.Comparator;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Map.Entry;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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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.springframework.beans.factory.annotation.Required;
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import org.springframework.context.ResourceLoaderAware;
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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.ui.ModelMap;
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import com.google.common.collect.Lists;
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import com.google.common.collect.Maps;
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import eu.dnetlib.miscutils.datetime.DateUtils;
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import eu.dnetlib.miscutils.datetime.HumanTime;
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public class InfoController extends ModuleEntryPoint implements ResourceLoaderAware {
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private String hostname;
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private String port;
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private String context;
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private ResourceLoader resourceLoader;
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private static final Log log = LogFactory.getLog(InfoController.class);
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@Override
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protected void initialize(final ModelMap map, final HttpServletRequest request, final HttpServletResponse response) throws Exception {
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final RuntimeMXBean mxbean = ManagementFactory.getRuntimeMXBean();
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final Map<String, Map<String, String>> info = Maps.newLinkedHashMap();
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info.put("General", getGeneralInfo(mxbean));
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info.put("JVM", getJvmInfo(mxbean));
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info.put("Libraries and arguments", getLibInfo(mxbean));
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info.put("System properties", getSysInfo(mxbean));
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map.addAttribute("info", info);
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map.addAttribute("modules", getModules());
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}
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@SuppressWarnings("unchecked")
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private List<Map<String, Object>> getModules() throws IOException {
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final Map<String, Map<String, Map<String, Object>>> modules = Maps.newLinkedHashMap();
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final MavenXpp3Reader reader = new MavenXpp3Reader();
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for (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 HashMap<String, Map<String, Object>>());
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}
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if (!modules.get(groupId).containsKey(name)) {
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final Map<String, Object> map = Maps.newHashMap();
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map.put("group", groupId);
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map.put("name", name);
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map.put("files", new ArrayList<String>());
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map.put("versions", new ArrayList<String>());
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modules.get(groupId).put(name, map);
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} else {
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// Artifact already found
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modules.get(groupId).get(name).put("warning", "1");
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}
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((List<String>) modules.get(groupId).get(name).get("versions")).add(version);
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((List<String>) modules.get(groupId).get(name).get("files")).add(res.getURI().toString());
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} catch (Exception e) {
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log.error("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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final List<Map<String, Object>> list = Lists.newArrayList();
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for (Entry<String, Map<String, Map<String, Object>>> e : modules.entrySet()) {
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for (Entry<String, Map<String, Object>> e1 : e.getValue().entrySet()) {
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list.add(e1.getValue());
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}
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}
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Collections.sort(list, new Comparator<Map<String, Object>>() {
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@Override
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public int compare(final Map<String, Object> o1, final Map<String, Object> o2) {
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if (o1.get("group").equals(o2.get("group"))) {
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return o1.get("name").toString().compareTo(o2.get("name").toString());
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} else {
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return o1.get("group").toString().compareTo(o2.get("group").toString());
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}
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}
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});
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return list;
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}
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private Map<String, String> getSysInfo(final RuntimeMXBean mxbean) {
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return mxbean.getSystemProperties();
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}
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private Map<String, String> getGeneralInfo(final RuntimeMXBean mxbean) {
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final Map<String, String> genInfo = Maps.newLinkedHashMap();
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genInfo.put("Hostname", hostname);
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genInfo.put("Port", port);
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genInfo.put("Context", context);
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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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private Map<String, String> getJvmInfo(final RuntimeMXBean mxbean) {
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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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private Map<String, String> getLibInfo(final RuntimeMXBean mxbean) {
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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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public String getHostname() {
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return hostname;
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}
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@Required
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public void setHostname(final String hostname) {
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this.hostname = hostname;
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}
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public String getPort() {
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return port;
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}
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@Required
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public void setPort(final String port) {
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this.port = port;
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}
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public String getContext() {
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return context;
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}
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@Required
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public void setContext(final String context) {
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this.context = context;
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}
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@Override
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public void setResourceLoader(final ResourceLoader resourceLoader) {
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this.resourceLoader = resourceLoader;
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}
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}
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