Examples of org.osgi.service.obr.RepositoryAdmin

org.osgi.service.obr.RepositoryAdmin
Provides centralized access to the distributed repository. A repository contains a set of resources. A resource contains a number of fixed attributes (name, version, etc) and sets of:
1. Capabilities - Capabilities provide a named aspect: a bundle, a display, memory, etc.
2. Requirements - A named filter expression. The filter must be satisfied by one or more Capabilities with the given name. These capabilities can come from other resources or from the platform. If multiple resources provide the requested capability, one is selected. (### what algorithm? ###)
3. Requests - Requests are like requirements, except that a request can be fulfilled by 0..n resources. This feature can be used to link to resources that are compatible with the given resource and provide extra functionality. For example, a bundle could request all its known fragments. The UI associated with the repository could list these as optional downloads.


            // prepare the repository resolver
            DummyBundleContext bc = new DummyBundleContext(this.ctx.getBundleContext());
            bc.setProperty(RepositoryAdminImpl.REPOSITORY_URL_PROP,
                repoFile.toURI().toURL().toExternalForm());
            RepositoryAdmin ra = new RepositoryAdminImpl(bc);
            Set resources = new HashSet();


            // add the servlet container bundles first
            for (int i = 0; i < REQUIRED_BUNDLES.length; i++) {
                String filter = "(symbolicName=" + REQUIRED_BUNDLES[i]
                    + ")";
                this.resolveResource(ra, filter, resources);
            }


            // find all resources in the repository
            for (int i=0; i < bundleNames.length; i++) {
                Resource res = this.repository.getResource(bundleNames[i]);
                if (res != null) {
                    VersionRange vr = new VersionRange(res.getVersion());
                    String filter = "(&(symbolicName=" + res.getSymbolicName()
                        + ")" + vr.getFilter() + ")";
                    this.resolveResource(ra, filter, resources);
                }
            }


            // prepare the resolver
            Resolver resolver = ra.resolver();
            for (Iterator ri=resources.iterator(); ri.hasNext(); ) {
                resolver.add((org.osgi.service.obr.Resource) ri.next());
            }


            // resolve the resources

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    }




    String getData( final String filter, final boolean details, Bundle[] bundles )
    {
        RepositoryAdmin admin = ( RepositoryAdmin ) getRepositoryAdmin();
        if ( admin != null )
        {
            JSONObject json = new JSONObject();
            try
            {
                json.put( "status", true ); //$NON-NLS-1$
                json.put( "details", details ); //$NON-NLS-1$


                final Repository repositories[] = admin.listRepositories();
                for ( int i = 0; repositories != null && i < repositories.length; i++ )
                {
                    json.append( "repositories", new JSONObject() //$NON-NLS-1$
                        .put( "lastModified", repositories[i].getLastModified() ) //$NON-NLS-1$
                        .put( "name", repositories[i].getName() ) //$NON-NLS-1$
                        .put( "url", repositories[i].getURL() ) ); //$NON-NLS-1$
                }


                Resource[] resources = admin.discoverResources( filter );
                for ( int i = 0; resources != null && i < resources.length; i++ )
                {
                    json.append( "resources", toJSON( resources[i], bundles, details ) ); //$NON-NLS-1$
                }
            }

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        return "{}"; //$NON-NLS-1$
    }


    void doAction( String action, String urlParam ) throws IOException, ServletException
    {
        RepositoryAdmin admin = ( RepositoryAdmin ) getRepositoryAdmin();
        Repository[] repos = admin.listRepositories();
        Repository repo = getRepository( repos, urlParam );


        URL uri = repo != null ? repo.getURL() : new URL( urlParam );


        if ( "delete".equals( action ) ) //$NON-NLS-1$
        {
            if ( !admin.removeRepository( uri ) )
            {
                throw new ServletException( "Failed to remove repository with URL " + uri );
            }
        }
        else if ( "add".equals( action ) || "refresh".equals( action ) ) //$NON-NLS-1$ //$NON-NLS-2$
        {
            try
            {
                admin.addRepository( uri );
            }
            catch ( IOException e )
            {
                throw e;
            }

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        {
            logger.log( "No resources to deploy" );
            return;
        }


        RepositoryAdmin repoAdmin = ( RepositoryAdmin ) getRepositoryAdmin();
        Resolver resolver = repoAdmin.resolver();


        // prepare the deployment
        for ( int i = 0; i < bundles.length; i++ )
        {
            String bundle = bundles[i];
            if ( bundle == null || bundle.equals( "-" ) )
            {
                continue;
            }


            String filter = "(id=" + bundle + ")";
            Resource[] resources = repoAdmin.discoverResources( filter );
            if ( resources != null && resources.length > 0 )
            {
                resolver.add( resources[0] );
            }
        }

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                    .put( "name", reqs[i].getName() ) //$NON-NLS-1$
                    .put( "filter", reqs[i].getFilter() ) //$NON-NLS-1$
                    .put( "optional", reqs[i].isOptional() ) ); //$NON-NLS-1$
            }


            final RepositoryAdmin admin = ( RepositoryAdmin ) getRepositoryAdmin();
            Resolver resolver = admin.resolver();
            resolver.add( resource );
            resolver.resolve(); // (Resolver.NO_OPTIONAL_RESOURCES);
            Resource[] required = resolver.getRequiredResources();
            for ( int i = 0; required != null && i < required.length; i++ )
            {

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        return false;
    }


    private boolean updateFromOsgiOBR()
    {
        RepositoryAdmin ra = ( RepositoryAdmin ) getService( "org.osgi.service.obr.RepositoryAdmin" );
        if ( ra != null )
        {
            getLog().log( LogService.LOG_DEBUG, "Trying to update from OSGi Bundle Repository (OSGi API)" );


            final Resolver resolver = ra.resolver();


            String version = ( String ) bundle.getHeaders().get( Constants.BUNDLE_VERSION );
            if ( version == null )
            {
                version = "0.0.0";
            }
            final String filter = "(&(symbolicname=" + bundle.getSymbolicName() + ")(!(version=" + version
                + "))(version>=" + version + "))";


            final Resource[] resources = ra.discoverResources( filter );
            final Resource resource = selectHighestVersion( resources );
            if ( resource != null )
            {
                resolver.add( resource );

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  public void deploy(String location,String version){
    ServiceReference sref=this.bc.getServiceReference(RepositoryAdmin.class.getName());


    System.out.println("Starting "+location+" "+version);
    if (sref!=null){
      RepositoryAdmin brs=(RepositoryAdmin)this.bc.getService(sref);
      Resolver resolver=brs.resolver();
      Resource ressource = selectNewestVersion(searchRepository(brs, location, version));
      if (ressource!=null){
  resolver.add(ressource);
      }
      if ((resolver.getAddedResources() != null) &&

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  @Test(expected=ResolverException.class)
  public void testBlogAppResolveFail() throws ResolverException, Exception
  {
    generateOBRRepoXML(TRANSITIVE_BUNDLE_BY_REFERENCE + ".jar", CORE_BUNDLE_BY_REFERENCE + "_0.0.0.jar");
    
    RepositoryAdmin repositoryAdmin = getOsgiService(RepositoryAdmin.class);
    
    Repository[] repos = repositoryAdmin.listRepositories();
    for (Repository repo : repos) {
      repositoryAdmin.removeRepository(repo.getURL());
    }
    
    repositoryAdmin.addRepository(new File("repository.xml").toURI().toURL());


    AriesApplicationManager manager = getOsgiService(AriesApplicationManager.class);
    AriesApplication app = manager.createApplication(FileSystem.getFSRoot(new File("blog.eba")));
    //installing requires a valid url for the bundle in repository.xml.

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  @Test
  public void testBlogApp() throws Exception 
  {
    generateOBRRepoXML(TRANSITIVE_BUNDLE_BY_REFERENCE + ".jar", CORE_BUNDLE_BY_REFERENCE + ".jar");
    
    RepositoryAdmin repositoryAdmin = getOsgiService(RepositoryAdmin.class);
    
    Repository[] repos = repositoryAdmin.listRepositories();
    for (Repository repo : repos) {
      repositoryAdmin.removeRepository(repo.getURL());
    }
    
    repositoryAdmin.addRepository(new File("repository.xml").toURI().toURL());


    AriesApplicationManager manager = getOsgiService(AriesApplicationManager.class);
    AriesApplication app = manager.createApplication(FileSystem.getFSRoot(new File("blog.eba")));
    //installing requires a valid url for the bundle in repository.xml.

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    createdApplications = true;
  }


  @Test
  public void testAppWithApplicationManifest() throws Exception {
    RepositoryAdmin repositoryAdmin = getOsgiService(RepositoryAdmin.class);
    
    repositoryAdmin.addRepository(new File("repository.xml").toURI().toURL());


    Repository[] repos = repositoryAdmin.listRepositories();
    
    for (Repository repo : repos) {
      Resource[] resources = repo.getResources();
      
      for (Resource r : resources) {

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