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

Example 81 with Activate

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

the class GraphChain method activate.

@Activate
@Override
protected void activate(ComponentContext ctx) throws ConfigurationException {
    super.activate(ctx);
    Object resource = ctx.getProperties().get(PROPERTY_GRAPH_RESOURCE);
    Object list = ctx.getProperties().get(PROPERTY_CHAIN_LIST);
    if (resource != null && !resource.toString().isEmpty()) {
        String[] config = resource.toString().split(";");
        String resourceName = config[0];
        String format = getValue(getParameters(config, 1), "format");
        if (format == null) {
            format = guessRdfFormat(getExtension(resourceName));
        } else if (format.isEmpty()) {
            throw new ConfigurationException(PROPERTY_GRAPH_RESOURCE, "The configured value for the 'format' parameter MUST NOT be" + "empty (configured: '" + resource + "')!");
        }
        if (format == null) {
            throw new ConfigurationException(PROPERTY_GRAPH_RESOURCE, "RDF formant for extension '" + getExtension(resourceName) + "' is not known. Please use the 'format' parameter to specify" + "it manually (configured: '" + resource + "')!");
        }
        ExecutionPlanListerner epl = new ExecutionPlanListerner(resourceName, format);
        if (tracker != null) {
            tracker.add(epl, resourceName, null);
        }
        internalChain = epl;
        mode = MODE.RESOURCE;
    } else if (list != null) {
        Set<String> configuredChain = new HashSet<String>();
        if (list instanceof String[]) {
            configuredChain.addAll(Arrays.asList((String[]) list));
        } else if (list instanceof Collection<?>) {
            for (Object o : (Collection<?>) list) {
                if (o instanceof String) {
                    configuredChain.add((String) o);
                }
            }
        } else {
            throw new ConfigurationException(PROPERTY_CHAIN_LIST, "The list based configuration of a ImmutableGraph Chain MUST BE " + "configured as a Array or Collection of Strings (parsed: " + (list != null ? list.getClass() : "null") + "). NOTE you can also " + "configure the ImmutableGraph by pointing to a resource with the graph as" + "value of the property '" + PROPERTY_GRAPH_RESOURCE + "'.");
        }
        Map<String, Map<String, List<String>>> config;
        try {
            config = parseConfig(configuredChain);
        } catch (IllegalArgumentException e) {
            throw new ConfigurationException(PROPERTY_CHAIN_LIST, "Unable to parse the execution plan configuraiton (message: '" + e.getMessage() + "')!", e);
        }
        if (config.isEmpty()) {
            throw new ConfigurationException(PROPERTY_CHAIN_LIST, "The configured execution plan MUST at least contain a single " + "valid execution node!");
        }
        internalChain = new ListConfigExecutionPlan(config, getChainProperties());
        mode = MODE.LIST;
    } else {
        // both PROPERTY_CHAIN_LIST and PROPERTY_GRAPH_RESOURCE are null
        throw new ConfigurationException(PROPERTY_GRAPH_RESOURCE, "The Execution Plan is a required property. It MUST BE configured" + "by one of the properties :" + Arrays.asList(PROPERTY_GRAPH_RESOURCE, PROPERTY_GRAPH_RESOURCE));
    }
}

Example 82 with Activate

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

the class PrefixccProviderComponent method activate.

@Activate
protected void activate(ComponentContext ctx) throws ConfigurationException {
    bc = ctx.getBundleContext();
    Object value = ctx.getProperties().get(UPDATE_INTERVAL);
    if (value instanceof Number) {
        updateInterval = ((Number) value).intValue();
    } else if (value != null && !value.toString().isEmpty()) {
        try {
            updateInterval = new BigDecimal(value.toString()).intValue();
        } catch (NumberFormatException e) {
            throw new ConfigurationException(UPDATE_INTERVAL, "Unable to parse integer value from the configured value '" + value + "' (type: " + value.getClass() + ")");
        }
    } else {
        updateInterval = DEFAULT_UPDATE_INTERVAL;
    }
    if (updateInterval < 0) {
        log.warn("Negative update interval '{}' configured. Will use default '{}'!", updateInterval, DEFAULT_UPDATE_INTERVAL);
        updateInterval = DEFAULT_UPDATE_INTERVAL;
    } else if (updateInterval == 0) {
        updateInterval = DEFAULT_UPDATE_INTERVAL;
    }
    // we need to copy over the service ranking
    providerProperties = new Hashtable<String, Object>();
    Object ranking = ctx.getProperties().get(Constants.SERVICE_RANKING);
    if (ranking != null) {
        providerProperties.put(Constants.SERVICE_RANKING, ranking);
    }
    updateProviderState();
}

Example 83 with Activate

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

the class RestfulLangidentEngine method activate.

/**
 * Activate and read the properties. Configures and initialises a POSTagger for each language configured in
 * CONFIG_LANGUAGES.
 *
 * @param ce the {@link org.osgi.service.component.ComponentContext}
 */
@Activate
protected void activate(ComponentContext ce) throws ConfigurationException, IOException {
    super.activate(ce);
    log.info("activate {} '{}'", getClass().getSimpleName(), getName());
    @SuppressWarnings("unchecked") Dictionary<String, Object> properties = ce.getProperties();
    Object value = properties.get(ANALYSIS_SERVICE_URL);
    if (value == null) {
        throw new ConfigurationException(ANALYSIS_SERVICE_URL, "The RESTful Language Identification Service URL is missing in the provided configuration!");
    } else {
        try {
            serviceUrl = new URI(value.toString());
            log.info("  ... service: {}", serviceUrl);
        } catch (URISyntaxException e) {
            throw new ConfigurationException(ANALYSIS_SERVICE_URL, "The parsed RESTful Language Identification Service URL '" + value + "'is not a valid URL!", e);
        }
    }
    String usr;
    String pwd;
    value = properties.get(ANALYSIS_SERVICE_USER);
    if (value != null && !value.toString().isEmpty()) {
        usr = value.toString();
        value = properties.get(ANALYSIS_SERVICE_PWD);
        pwd = value == null ? null : value.toString();
    } else {
        // no user set
        usr = null;
        pwd = null;
    }
    // init the http client
    httpParams = new BasicHttpParams();
    httpParams.setParameter(CoreProtocolPNames.USER_AGENT, "Apache Stanbol RESTful Language Identification Engine");
    httpParams.setBooleanParameter(ClientPNames.HANDLE_REDIRECTS, true);
    httpParams.setIntParameter(ClientPNames.MAX_REDIRECTS, 3);
    httpParams.setBooleanParameter(CoreConnectionPNames.SO_KEEPALIVE, true);
    connectionManager = new PoolingClientConnectionManager();
    connectionManager.setMaxTotal(20);
    connectionManager.setDefaultMaxPerRoute(20);
    httpClient = new DefaultHttpClient(connectionManager, httpParams);
    if (usr != null) {
        log.info("  ... setting user to {}", usr);
        httpClient.getCredentialsProvider().setCredentials(AuthScope.ANY, new UsernamePasswordCredentials(usr, pwd));
        // And add request interceptor to have preemptive authentication
        httpClient.addRequestInterceptor(new PreemptiveAuthInterceptor(), 0);
    }
}

Example 84 with Activate

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

the class RestfulNlpAnalysisEngine method activate.

/**
 * Activate and read the properties. Configures and initialises a POSTagger for each language configured in
 * CONFIG_LANGUAGES.
 *
 * @param ce the {@link org.osgi.service.component.ComponentContext}
 */
@Activate
protected void activate(ComponentContext ce) throws ConfigurationException, IOException {
    super.activate(ce);
    log.info("activate {} '{}'", getClass().getSimpleName(), getName());
    config = ce.getProperties();
    Object value = config.get(ANALYSIS_SERVICE_URL);
    if (value == null) {
        throw new ConfigurationException(ANALYSIS_SERVICE_URL, "The RESTful Analysis Service URL is missing in the provided configuration!");
    } else {
        try {
            analysisServiceUrl = new URI(value.toString());
            log.info("  ... service: {}", analysisServiceUrl);
        } catch (URISyntaxException e) {
            throw new ConfigurationException(ANALYSIS_SERVICE_URL, "The parsed RESTful Analysis Service URL '" + value + "'is not a valid URL!", e);
        }
    }
    String usr;
    String pwd;
    value = config.get(ANALYSIS_SERVICE_USER);
    if (value != null && !value.toString().isEmpty()) {
        usr = value.toString();
        value = config.get(ANALYSIS_SERVICE_PWD);
        pwd = value == null ? null : value.toString();
    } else {
        // no user set
        usr = null;
        pwd = null;
    }
    // init the http client
    httpParams = new BasicHttpParams();
    httpParams.setParameter(CoreProtocolPNames.USER_AGENT, "Apache Stanbol RESTful NLP Analysis Engine");
    httpParams.setBooleanParameter(ClientPNames.HANDLE_REDIRECTS, true);
    httpParams.setIntParameter(ClientPNames.MAX_REDIRECTS, 3);
    httpParams.setBooleanParameter(CoreConnectionPNames.SO_KEEPALIVE, true);
    connectionManager = new PoolingClientConnectionManager();
    connectionManager.setMaxTotal(20);
    connectionManager.setDefaultMaxPerRoute(20);
    // NOTE: The list of supported languages is the combination of the
    // languages enabled by the configuration (#languageConfig) and the
    // languages supported by the RESTful NLP Analysis Service
    // (#supportedLanguages)
    // init the language configuration with the engine configuration
    languageConfig.setConfiguration(config);
    httpClient = new DefaultHttpClient(connectionManager, httpParams);
    if (usr != null) {
        log.info("  ... setting user to {}", usr);
        httpClient.getCredentialsProvider().setCredentials(AuthScope.ANY, new UsernamePasswordCredentials(usr, pwd));
        // And add request interceptor to have preemptive authentication
        httpClient.addRequestInterceptor(new PreemptiveAuthInterceptor(), 0);
    }
    // STANBOL-1389: deactivated initialization during activation as this can create
    // issues in cases where Stanbol and the NLP service do run in the same
    // servlet container.
    // initRESTfulNlpAnalysisService();
    value = config.get(WRITE_TEXT_ANNOTATIONS_STATE);
    if (value instanceof Boolean) {
        this.writeTextAnnotations = ((Boolean) value).booleanValue();
    } else if (value != null) {
        this.writeTextAnnotations = Boolean.parseBoolean(value.toString());
    } else {
        this.writeTextAnnotations = DEFAULT_WRITE_TEXT_ANNOTATION_STATE;
    }
}

Example 85 with Activate

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

the class EntityCoMentionEngine method activate.

@Activate
@SuppressWarnings("unchecked")
protected void activate(ComponentContext ctx) throws ConfigurationException {
    super.activate(ctx);
    log.info("activate {}[name:{}]", getClass().getSimpleName(), getName());
    Dictionary<String, Object> properties = ctx.getProperties();
    // bundleContext = ctx.getBundleContext();
    // extract TextProcessing and EnityLinking config from the provided properties
    textProcessingConfig = TextProcessingConfig.createInstance(properties);
    linkerConfig = EntityLinkerConfig.createInstance(properties, prefixService);
    // some of the confiugration is predefined
    linkerConfig.setNameField(CoMentionConstants.CO_MENTION_LABEL_FIELD);
    linkerConfig.setTypeField(CoMentionConstants.CO_MENTION_TYPE_FIELD);
    // there should not be more as 5 suggestions
    linkerConfig.setMaxSuggestions(5);
    // a single token is enough
    linkerConfig.setMinFoundTokens(1);
    // 1/4 of the tokens
    linkerConfig.setMinLabelScore(0.24);
    // labelScore * token match factor
    linkerConfig.setMinMatchScore(linkerConfig.getMinLabelScore() * linkerConfig.getMinTokenMatchFactor());
    linkerConfig.setRedirectProcessingMode(RedirectProcessingMode.IGNORE);
    // remove all type mappings
    linkerConfig.setDefaultDcType(null);
    Set<IRI> mappedUris = new HashSet<IRI>(linkerConfig.getTypeMappings().keySet());
    for (IRI mappedUri : mappedUris) {
        linkerConfig.setTypeMapping(mappedUri.getUnicodeString(), null);
    }
    // parse confidence adjustment value (STANBOL-1219)
    Object value = properties.get(ADJUST_EXISTING_SUGGESTION_CONFIDENCE);
    final double confidenceAdjustment;
    if (value == null) {
        confidenceAdjustment = DEFAULT_CONFIDENCE_ADJUSTEMENT;
    } else if (value instanceof Number) {
        confidenceAdjustment = ((Number) value).doubleValue();
    } else {
        try {
            confidenceAdjustment = Double.parseDouble(value.toString());
        } catch (NumberFormatException e) {
            throw new ConfigurationException(ADJUST_EXISTING_SUGGESTION_CONFIDENCE, "The confidence adjustement value for existing suggestions " + "MUST BE a double value in the range [0..1)", e);
        }
    }
    if (confidenceAdjustment < 0 || confidenceAdjustment >= 1) {
        throw new ConfigurationException(ADJUST_EXISTING_SUGGESTION_CONFIDENCE, "The confidence adjustement value for existing suggestions " + "MUST BE a double value in the range [0..1) (parsed: " + confidenceAdjustment + ")!");
    }
    confidenceAdjustmentFactor = 1 - confidenceAdjustment;
    // get the metadata later set to the enhancement engine
    final BundleContext bc = ctx.getBundleContext();
    labelTokenizerTracker = new ServiceTracker(bc, LabelTokenizer.class.getName(), null);
    labelTokenizerTracker.open();
}