Examples with Filter org.osgi.framework.Filter used on opensource projects

Example 41 with Filter

use of org.osgi.framework.Filter in project opennms by OpenNMS.

the class DynamicallyTrackedProcessor method process.

@Override
public void process(final Exchange exchange) throws Exception {
    if (m_tracker == null) {
        String filterString = String.format("(&(%s=%s)(name=%s))", Constants.OBJECTCLASS, Processor.class.getName(), m_processorName);
        Filter filter = m_context.createFilter(filterString);
        LOG.info("Starting tracker with filter: {}", filterString);
        m_tracker = new ServiceTracker<Object, Processor>(m_context, filter, null);
        m_tracker.open();
    }
    // Grab the first service that meets our criteria
    Processor processor = m_tracker.getService();
    // Fail if no process is defined
    if (processor == null) {
        throw new Exception("No suitable processer service was found with name: " + m_processorName);
    }
    processor.process(exchange);
}

Example 42 with Filter

use of org.osgi.framework.Filter in project opennms by OpenNMS.

the class DynamicallyTrackedProcessor method process.

@Override
public void process(final Exchange exchange) throws Exception {
    if (m_tracker == null) {
        String filterString = String.format("(&(%s=%s)(name=%s)(%s=true))", Constants.OBJECTCLASS, Processor.class.getName(), m_processorName, m_processorKey);
        Filter filter = m_context.createFilter(filterString);
        LOG.info("Starting tracker with filter: {}", filterString);
        m_tracker = new ServiceTracker<Object, Processor>(m_context, filter, null);
        m_tracker.open();
    }
    try {
        // Grab the first service that meets our criteria
        Processor processor = m_tracker.getService();
        // Fail if no process is defined
        if (processor == null) {
            throw new RuntimeException("No suitable processer was found.");
        }
        LOG.debug("Processing exchange with: {}", processor.getClass());
        processor.process(exchange);
    } catch (Throwable e) {
        LOG.warn("Message dispatch failed: " + e.getMessage(), e);
        exchange.setException(e);
    }
}

Example 43 with Filter

use of org.osgi.framework.Filter in project aries by apache.

the class BundleFrameworkConfigurationFactoryImpl method createBundleFrameworkConfig.

public BundleFrameworkConfiguration createBundleFrameworkConfig(String frameworkId, BundleContext parentCtx, AriesApplication app) {
    BundleFrameworkConfiguration config = null;
    DeploymentMetadata metadata = app.getDeploymentMetadata();
    /**
     * Set up framework config properties
     */
    Properties frameworkConfig = new Properties();
    // Problems occur if the parent framework has osgi.console set because the child framework
    // will also attempt to listen on the same port which will cause port clashs. Setting this
    // to null essentially turns the console off.
    frameworkConfig.put("osgi.console", "none");
    String flowedSystemPackages = EquinoxFrameworkUtils.calculateSystemPackagesToFlow(EquinoxFrameworkUtils.getSystemExtraPkgs(parentCtx), metadata.getImportPackage());
    frameworkConfig.put(Constants.FRAMEWORK_SYSTEMPACKAGES_EXTRA, flowedSystemPackages);
    /**
     * Set up BundleManifest for the framework bundle
     */
    Properties frameworkBundleManifest = new Properties();
    frameworkBundleManifest.put(Constants.BUNDLE_SYMBOLICNAME, metadata.getApplicationSymbolicName());
    frameworkBundleManifest.put(Constants.BUNDLE_VERSION, metadata.getApplicationVersion().toString());
    /**
     * Set up Import-Package header for framework manifest
     */
    // Extract the import packages and remove anything we already have available in the current framework
    Collection<Content> imports = EquinoxFrameworkUtils.calculateImports(metadata.getImportPackage(), EquinoxFrameworkUtils.getExportPackages(parentCtx));
    if (imports != null && !imports.isEmpty()) {
        StringBuffer buffer = new StringBuffer();
        for (Content i : imports) buffer.append(EquinoxFrameworkUtils.contentToString(i) + ",");
        frameworkBundleManifest.put(Constants.IMPORT_PACKAGE, buffer.substring(0, buffer.length() - 1));
    }
    /**
     * Set up CompositeServiceFilter-Import header for framework manifest
     */
    StringBuilder serviceImportFilter = new StringBuilder();
    String txRegsitryImport = "(" + Constants.OBJECTCLASS + "=" + EquinoxFrameworkConstants.TRANSACTION_REGISTRY_BUNDLE + ")";
    Collection<Filter> deployedServiceImports = metadata.getDeployedServiceImport();
    //if there are more services than the txRegistry import a OR group is required for the Filter
    if (deployedServiceImports.size() > 0) {
        serviceImportFilter.append("(|");
    }
    for (Filter importFilter : metadata.getDeployedServiceImport()) {
        serviceImportFilter.append(importFilter.toString());
    }
    serviceImportFilter.append(txRegsitryImport);
    //close the OR group if needed
    if (deployedServiceImports.size() > 0) {
        serviceImportFilter.append(")");
    }
    frameworkBundleManifest.put(EquinoxFrameworkConstants.COMPOSITE_SERVICE_FILTER_IMPORT, serviceImportFilter.toString());
    config = new BundleFrameworkConfigurationImpl(frameworkId, frameworkConfig, frameworkBundleManifest);
    return config;
}

Example 44 with Filter

use of org.osgi.framework.Filter in project aries by apache.

the class Helper method getOsgiService.

public static <T> T getOsgiService(BundleContext bundleContext, Class<T> type, String filter, long timeout) {
    ServiceTracker tracker = null;
    try {
        String flt;
        if (filter != null) {
            if (filter.startsWith("(")) {
                flt = "(&(" + Constants.OBJECTCLASS + "=" + type.getName() + ")" + filter + ")";
            } else {
                flt = "(&(" + Constants.OBJECTCLASS + "=" + type.getName() + ")(" + filter + "))";
            }
        } else {
            flt = "(" + Constants.OBJECTCLASS + "=" + type.getName() + ")";
        }
        Filter osgiFilter = FrameworkUtil.createFilter(flt);
        tracker = new ServiceTracker(bundleContext, osgiFilter, null);
        tracker.open(true);
        // Note that the tracker is not closed to keep the reference
        // This is buggy, as the service reference may change i think
        Object svc = tracker.waitForService(timeout);
        if (svc == null) {
            Dictionary<?, ?> dic = bundleContext.getBundle().getHeaders();
            System.err.println("Test bundle headers: " + explode(dic));
            for (ServiceReference ref : asCollection(bundleContext.getAllServiceReferences(null, null))) {
                System.err.println("ServiceReference: " + ref + ", bundle: " + ref.getBundle() + ", symbolicName: " + ref.getBundle().getSymbolicName());
            }
            for (ServiceReference ref : asCollection(bundleContext.getAllServiceReferences(null, flt))) {
                System.err.println("Filtered ServiceReference: " + ref + ", bundle: " + ref.getBundle() + ", symbolicName: " + ref.getBundle().getSymbolicName());
            }
            throw new RuntimeException("Gave up waiting for service " + flt);
        }
        return type.cast(svc);
    } catch (InvalidSyntaxException e) {
        throw new IllegalArgumentException("Invalid filter", e);
    } catch (InterruptedException e) {
        throw new RuntimeException(e);
    }
}

Example 45 with Filter

use of org.osgi.framework.Filter in project aries by apache.

the class Helper method getOsgiServiceReference.

public static <T> ServiceReference getOsgiServiceReference(BundleContext bundleContext, Class<T> type, String filter, long timeout) {
    ServiceTracker tracker = null;
    try {
        String flt;
        if (filter != null) {
            if (filter.startsWith("(")) {
                flt = "(&(" + Constants.OBJECTCLASS + "=" + type.getName() + ")" + filter + ")";
            } else {
                flt = "(&(" + Constants.OBJECTCLASS + "=" + type.getName() + ")(" + filter + "))";
            }
        } else {
            flt = "(" + Constants.OBJECTCLASS + "=" + type.getName() + ")";
        }
        Filter osgiFilter = FrameworkUtil.createFilter(flt);
        tracker = new ServiceTracker(bundleContext, osgiFilter, null);
        tracker.open(true);
        // Note that the tracker is not closed to keep the reference
        // This is buggy, as the service reference may change i think
        Object svc = tracker.waitForService(timeout);
        if (svc == null) {
            Dictionary<?, ?> dic = bundleContext.getBundle().getHeaders();
            System.err.println("Test bundle headers: " + explode(dic));
            for (ServiceReference ref : asCollection(bundleContext.getAllServiceReferences(null, null))) {
                System.err.println("ServiceReference: " + ref + ", bundle: " + ref.getBundle() + ", symbolicName: " + ref.getBundle().getSymbolicName());
            }
            for (ServiceReference ref : asCollection(bundleContext.getAllServiceReferences(null, flt))) {
                System.err.println("Filtered ServiceReference: " + ref + ", bundle: " + ref.getBundle() + ", symbolicName: " + ref.getBundle().getSymbolicName());
            }
            throw new RuntimeException("Gave up waiting for service " + flt);
        }
        return tracker.getServiceReference();
    } catch (InvalidSyntaxException e) {
        throw new IllegalArgumentException("Invalid filter", e);
    } catch (InterruptedException e) {
        throw new RuntimeException(e);
    }
}