org.argeo.osgi.boot/src/org/argeo/osgi/boot/OsgiBootDiagnostics.java

   1 package org.argeo.osgi.boot;
   2
   3 import java.util.ArrayList;
   4 import java.util.Iterator;
   5 import java.util.List;
   6 import java.util.Map;
   7 import java.util.Set;
   8 import java.util.TreeMap;
   9 import java.util.TreeSet;
  10
  11 import org.osgi.framework.Bundle;
  12 import org.osgi.framework.BundleContext;
  13 import org.osgi.framework.ServiceReference;
  14 import org.osgi.service.packageadmin.ExportedPackage;
  15 import org.osgi.service.packageadmin.PackageAdmin;
  16
  17 @SuppressWarnings("deprecation")
  18 class OsgiBootDiagnostics {
  19         private final BundleContext bundleContext;
  20
  21         public OsgiBootDiagnostics(BundleContext bundleContext) {
  22                 this.bundleContext = bundleContext;
  23         }
  24         /*
  25          * DIAGNOSTICS
  26          */
  27         /** Check unresolved bundles */
  28         protected void checkUnresolved() {
  29                 // Refresh
  30                 ServiceReference<PackageAdmin> packageAdminRef = bundleContext.getServiceReference(PackageAdmin.class);
  31                 PackageAdmin packageAdmin = (PackageAdmin) bundleContext.getService(packageAdminRef);
  32                 packageAdmin.resolveBundles(null);
  33
  34                 Bundle[] bundles = bundleContext.getBundles();
  35                 List<Bundle> unresolvedBundles = new ArrayList<Bundle>();
  36                 for (int i = 0; i < bundles.length; i++) {
  37                         int bundleState = bundles[i].getState();
  38                         if (!(bundleState == Bundle.ACTIVE || bundleState == Bundle.RESOLVED || bundleState == Bundle.STARTING))
  39                                 unresolvedBundles.add(bundles[i]);
  40                 }
  41
  42                 if (unresolvedBundles.size() != 0) {
  43                         OsgiBootUtils.warn("Unresolved bundles " + unresolvedBundles);
  44                 }
  45         }
  46
  47         /** List packages exported twice. */
  48         public Map<String, Set<String>> findPackagesExportedTwice() {
  49                 ServiceReference<PackageAdmin> paSr = bundleContext.getServiceReference(PackageAdmin.class);
  50                 PackageAdmin packageAdmin = (PackageAdmin) bundleContext.getService(paSr);
  51
  52                 // find packages exported twice
  53                 Bundle[] bundles = bundleContext.getBundles();
  54                 Map<String, Set<String>> exportedPackages = new TreeMap<String, Set<String>>();
  55                 for (int i = 0; i < bundles.length; i++) {
  56                         Bundle bundle = bundles[i];
  57                         ExportedPackage[] pkgs = packageAdmin.getExportedPackages(bundle);
  58                         if (pkgs != null)
  59                                 for (int j = 0; j < pkgs.length; j++) {
  60                                         String pkgName = pkgs[j].getName();
  61                                         if (!exportedPackages.containsKey(pkgName)) {
  62                                                 exportedPackages.put(pkgName, new TreeSet<String>());
  63                                         }
  64                                         (exportedPackages.get(pkgName)).add(bundle.getSymbolicName() + "_" + bundle.getVersion());
  65                                 }
  66                 }
  67                 Map<String, Set<String>> duplicatePackages = new TreeMap<String, Set<String>>();
  68                 Iterator<String> it = exportedPackages.keySet().iterator();
  69                 while (it.hasNext()) {
  70                         String pkgName = it.next().toString();
  71                         Set<String> bdles = exportedPackages.get(pkgName);
  72                         if (bdles.size() > 1)
  73                                 duplicatePackages.put(pkgName, bdles);
  74                 }
  75                 return duplicatePackages;
  76         }
  77
  78 }