Examples with Activate org.apache.felix.scr.annotations.Activate used on opensource projects

Example 76 with Activate

use of org.apache.felix.scr.annotations.Activate in project stanbol by apache.

the class EntityhubComponent method activate.

@Activate
protected void activate(final ComponentContext context) throws ConfigurationException {
    this.bc = context.getBundleContext();
    Dictionary<?, ?> properties = context.getProperties();
    log.info("Activate Entityhub Component:");
    this.entityhubID = OsgiUtils.checkProperty(properties, ID).toString();
    if (entityhubID == null || entityhubID.isEmpty()) {
        throw new ConfigurationException(ID, "The id for the Entityhub MUST NOT be empty!");
    } else {
        log.debug("   + id: {}", entityhubID);
    }
    this.entityhubName = OsgiUtils.checkProperty(properties, NAME, this.entityhubID).toString();
    if (entityhubName.isEmpty()) {
        throw new ConfigurationException(NAME, "The name for the Entityhub MUST NOT be empty!");
    } else {
        log.debug("   + name: {}", entityhubName);
    }
    Object entityhubDescriptionObject = properties.get(DESCRIPTION);
    this.entityhubDescription = entityhubDescriptionObject == null ? null : entityhubDescriptionObject.toString();
    log.debug("   + description: {}", entityhubDescription == null ? "<none>" : entityhubDescription);
    this.entityhubPrefix = OsgiUtils.checkProperty(properties, PREFIX).toString();
    if (entityhubPrefix.isEmpty()) {
        throw new ConfigurationException(PREFIX, "The UIR preix for the Entityub MUST NOT be empty!");
    }
    try {
        new URI(entityhubPrefix);
        log.info("   + prefix: " + entityhubPrefix);
    } catch (URISyntaxException e) {
        throw new ConfigurationException(PREFIX, "The URI prefix for the Entityhub " + "MUST BE an valid URI (prefix=" + entityhubPrefix + ")", e);
    }
    Object defaultSymbolState = properties.get(DEFAULT_SYMBOL_STATE);
    if (defaultSymbolState == null) {
        this.defaultSymblStateString = ManagedEntity.DEFAULT_SYMBOL_STATE.name();
    } else {
        this.defaultSymblStateString = defaultSymbolState.toString();
    }
    Object defaultMappingState = properties.get(DEFAULT_MAPPING_STATE);
    if (defaultMappingState == null) {
        this.defaultMappingStateString = EntityMapping.DEFAULT_MAPPING_STATE.name();
    } else {
        this.defaultMappingStateString = defaultMappingState.toString();
    }
    Object fieldMappingConfigObject = OsgiUtils.checkProperty(properties, FIELD_MAPPINGS);
    if (fieldMappingConfigObject instanceof String[]) {
        this.fieldMappingConfig = (String[]) fieldMappingConfigObject;
    } else {
        throw new ConfigurationException(FIELD_MAPPINGS, "Values for this property must be of type Stirng[]!");
    }
    String entityhubYardId = OsgiUtils.checkProperty(properties, ENTITYHUB_YARD_ID).toString();
    String filterString = String.format("(&(%s=%s)(%s=%s))", Constants.OBJECTCLASS, Yard.class.getName(), Yard.ID, entityhubYardId);
    log.debug(" ... tracking EntityhubYard by Filter:" + filterString);
    Filter filter;
    try {
        filter = context.getBundleContext().createFilter(filterString);
    } catch (InvalidSyntaxException e) {
        throw new ConfigurationException(ENTITYHUB_YARD_ID, "Unable to parse OSGI filter '" + filterString + "' for configured Yard id '" + entityhubYardId + "'!", e);
    }
    entityhubYardTracker = new ServiceTracker(context.getBundleContext(), filter, new ServiceTrackerCustomizer() {

        final BundleContext bc = context.getBundleContext();

        @Override
        public void removedService(ServiceReference reference, Object service) {
            if (service.equals(entityhubYard)) {
                entityhubYard = (Yard) entityhubYardTracker.getService();
                updateServiceRegistration(bc, entityhubYard, siteManager, nsPrefixService);
            }
            bc.ungetService(reference);
        }

        @Override
        public void modifiedService(ServiceReference reference, Object service) {
            // the service.ranking might have changed ... so check if the
            // top ranked yard is a different one
            Yard newYard = (Yard) entityhubYardTracker.getService();
            if (newYard == null || !newYard.equals(entityhubYard)) {
                // set the new yard
                entityhubYard = newYard;
                // and update the service registration
                updateServiceRegistration(bc, entityhubYard, siteManager, nsPrefixService);
            }
        }

        @Override
        public Object addingService(ServiceReference reference) {
            Object service = bc.getService(reference);
            if (service != null) {
                if (// the first added Service or
                entityhubYardTracker.getServiceReference() == null || // the new service as higher ranking as the current
                (reference.compareTo(entityhubYardTracker.getServiceReference()) > 0)) {
                    entityhubYard = (Yard) service;
                    updateServiceRegistration(bc, entityhubYard, siteManager, nsPrefixService);
                }
            // else the new service has lower ranking as the currently use one
            }
            // else service == null -> ignore
            return service;
        }
    });
    // start the tracking
    entityhubYardTracker.open();
}

Example 77 with Activate

use of org.apache.felix.scr.annotations.Activate in project stanbol by apache.

the class SolrDispatchFilterComponent method activate.

@Activate
protected void activate(ComponentContext context) throws ConfigurationException, ServletException {
    this.context = context;
    BundleContext bc = context.getBundleContext();
    Object value = context.getProperties().get(PROPERTY_SERVER_NAME);
    if (value == null || value.toString().isEmpty()) {
        throw new ConfigurationException(PROPERTY_SERVER_NAME, "The configured CoreContainer name MUST NOT be NULL nor empty!");
    }
    serverName = value.toString();
    String filterString = String.format("(&(%s=%s)(%s=%s))", Constants.OBJECTCLASS, CoreContainer.class.getName(), SolrConstants.PROPERTY_SERVER_NAME, serverName);
    try {
        tracker = new ServiceTracker(bc, bc.createFilter(filterString), trackerCustomizer);
    } catch (InvalidSyntaxException e) {
        throw new ConfigurationException(PROPERTY_SERVER_NAME, "Unable to build Filter for parsed CoreContainer name '" + serverName + "'", e);
    }
    value = context.getProperties().get(PROPERTY_PREFIX_PATH);
    final String prefixPath;
    if (value != null) {
        prefix = value.toString();
        if (prefix.charAt(0) != '/') {
            prefix = '/' + prefix;
        }
        prefixPath = prefix;
        if (!prefix.endsWith("*")) {
            // TODO: check if this is a good idea
            prefix = prefix + "/.*";
        }
    } else {
        prefixPath = null;
        prefix = "/.*";
    }
    filterPrpoerties = new Hashtable<String, Object>();
    if (prefixPath != null) {
        filterPrpoerties.put("path-prefix", prefixPath);
    }
    // now start tracking! ...
    // ... as soon as the first CoreContainer is tracked the Filter will
    // be created and added to the ExtHttpService
    tracker.open();
}

Example 78 with Activate

use of org.apache.felix.scr.annotations.Activate in project stanbol by apache.

the class DirectoryDataFileProvider method activate.

@Activate
protected void activate(ComponentContext ctx) throws ConfigurationException {
    String folderName = requireProperty(ctx.getProperties(), DATA_FILES_FOLDER_PROP, String.class);
    dataFilesFolder = new File(folderName);
    if (!dataFilesFolder.exists()) {
        if (!dataFilesFolder.mkdirs()) {
            throw new ConfigurationException(DATA_FILES_FOLDER_PROP, "Unable to create the configured Directory " + dataFilesFolder);
        }
    } else if (!dataFilesFolder.isDirectory()) {
        throw new ConfigurationException(DATA_FILES_FOLDER_PROP, "The configured DataFile directory " + dataFilesFolder + " does already exists but is not a directory!");
    }
// else exists and is a directory!
}

Example 79 with Activate

use of org.apache.felix.scr.annotations.Activate in project stanbol by apache.

the class ValueTypeParserRegistry method activate.

@Activate
protected void activate(ComponentContext ctx) {
    inOsgi = true;
    final BundleContext bc = ctx.getBundleContext();
    parserTracker = new ServiceTracker(bc, ValueTypeParser.class.getName(), new ParserTracker(bc));
// NOTE: do not open within activate(..) because of
// org.apache.stanbol.enhancer.nlp.json FrameworkEvent
// ERROR (org.osgi.framework.ServiceException:
// ServiceFactory.getService() resulted in a cycle.)
}

Example 80 with Activate

use of org.apache.felix.scr.annotations.Activate in project stanbol by apache.

the class ValueTypeSerializerRegistry method activate.

@Activate
protected void activate(ComponentContext ctx) {
    inOsgi = true;
    final BundleContext bc = ctx.getBundleContext();
    serializerTracker = new ServiceTracker(bc, ValueTypeSerializer.class.getName(), new SerializerTracker(bc));
// NOTE: do not open within activate(..) because of
// org.apache.stanbol.enhancer.nlp.json FrameworkEvent
// ERROR (org.osgi.framework.ServiceException:
// ServiceFactory.getService() resulted in a cycle.)
// serializerTracker.open();
}