Examples with ServiceTracker org.osgi.util.tracker.ServiceTracker used on opensource projects

Example 36 with ServiceTracker

use of org.osgi.util.tracker.ServiceTracker in project felix by apache.

the class SimpleWebConsolePlugin method deactivate.

/**
 * This method will close all service trackers, created by
 * {@link #getService(String)} method. If you override this method, don't
 * forget to call the super.
 *
 * @see org.apache.felix.webconsole.AbstractWebConsolePlugin#deactivate()
 */
public void deactivate() {
    for (Iterator ti = services.values().iterator(); ti.hasNext(); ) {
        ServiceTracker tracker = (ServiceTracker) ti.next();
        tracker.close();
        ti.remove();
    }
    super.deactivate();
}

Example 37 with ServiceTracker

use of org.osgi.util.tracker.ServiceTracker in project felix by apache.

the class BundlesServlet method activate.

/**
 * @see org.apache.felix.webconsole.AbstractWebConsolePlugin#activate(org.osgi.framework.BundleContext)
 */
@Override
public void activate(BundleContext bundleContext) {
    super.activate(bundleContext);
    bundleInfoTracker = new ServiceTracker(bundleContext, BundleInfoProvider.class.getName(), null);
    bundleInfoTracker.open();
    // bootdelegation property parsing from Apache Felix R4SearchPolicyCore
    String bootDelegation = bundleContext.getProperty(Constants.FRAMEWORK_BOOTDELEGATION);
    bootDelegation = (bootDelegation == null) ? "java.*" : bootDelegation + ",java.*";
    StringTokenizer st = new StringTokenizer(bootDelegation, " ,");
    bootPkgs = new String[st.countTokens()];
    bootPkgWildcards = new boolean[bootPkgs.length];
    for (int i = 0; i < bootPkgs.length; i++) {
        bootDelegation = st.nextToken();
        if (bootDelegation.endsWith("*")) {
            bootPkgWildcards[i] = true;
            bootDelegation = bootDelegation.substring(0, bootDelegation.length() - 1);
        }
        bootPkgs[i] = bootDelegation;
    }
    Hashtable props = new Hashtable();
    props.put(WebConsoleConstants.CONFIG_PRINTER_MODES, new String[] { ConfigurationPrinter.MODE_TXT, ConfigurationPrinter.MODE_ZIP });
    configurationPrinter = bundleContext.registerService(ConfigurationPrinter.SERVICE, this, props);
}

Example 38 with ServiceTracker

use of org.osgi.util.tracker.ServiceTracker in project felix by apache.

the class Activator method start.

/**
 * @see org.osgi.framework.BundleActivator#start(org.osgi.framework.BundleContext)
 */
public final void start(BundleContext context) throws Exception {
    this.context = context;
    this.tracker = new ServiceTracker(context, DeploymentAdmin.class.getName(), this);
    this.tracker.open();
}

Example 39 with ServiceTracker

use of org.osgi.util.tracker.ServiceTracker in project felix by apache.

the class Activator method start.

/**
 * @see org.osgi.framework.BundleActivator#start(org.osgi.framework.BundleContext)
 */
public final void start(BundleContext context) throws Exception {
    this.context = context;
    Filter filter = context.createFilter(// $NON-NLS-1$
    "(|" + '(' + OBJECTCLASS + // $NON-NLS-1$
    "=org.osgi.service.obr.RepositoryAdmin)" + '(' + OBJECTCLASS + // $NON-NLS-1$
    "=org.apache.felix.bundlerepository.RepositoryAdmin)" + ')');
    this.tracker = new ServiceTracker(context, filter, this);
    this.tracker.open();
}

Example 40 with ServiceTracker

use of org.osgi.util.tracker.ServiceTracker in project hale by halestudio.

the class Activator method getBooleanDebugOption.

/**
 * Return the debug value of the option if founded otherwise return
 * defaultValue.
 *
 * @param option
 * @param defaultValue
 * @return
 */
@SuppressWarnings({ "rawtypes", "unchecked" })
public static boolean getBooleanDebugOption(String option, boolean defaultValue) {
    // 1) search param from JVM
    String s = System.getProperty(DEBUG_PROPERTY);
    if (!Utils.isEmpty(s)) {
        return Utils.isTrue(s, defaultValue);
    }
    // 2) search param from nonosgiregistry.properties files.
    if (nonosgiregistryProps == null) {
        nonosgiregistryProps = Utils.load(Activator.class.getClassLoader());
        s = nonosgiregistryProps.getProperty(DEBUG_PROPERTY);
        if (!Utils.isEmpty(s)) {
            return Utils.isTrue(s, defaultValue);
        }
    }
    // 3) Search param from OSGi options
    Activator activator = getDefault();
    if (activator == null)
        // No OSGi context
        return defaultValue;
    BundleContext myBundleContext = activator.bundleContext;
    if (myBundleContext == null)
        return defaultValue;
    // Search the DebugOptions OSGi service
    if (getDefault().debugTracker == null) {
        getDefault().debugTracker = new ServiceTracker(getDefault().bundleContext, DebugOptions.class.getName(), null);
        getDefault().debugTracker.open();
    }
    DebugOptions options = (DebugOptions) getDefault().debugTracker.getService();
    if (options != null) {
        // get the value of the option by using OSGi service DebugOptions
        return Utils.isTrue(options.getOption(option), defaultValue);
    }
    return defaultValue;
}