Examples with ConfigurationException org.apache.felix.ipojo.ConfigurationException used on opensource projects

Example 11 with ConfigurationException

use of org.apache.felix.ipojo.ConfigurationException in project felix by apache.

the class InstanceHandler method configure.

/**
 * Configure method.
 * @param metadata : component type metadata.
 * @param configuration : instance configuration.
 * @throws ConfigurationException : occurs an instance cannot be parsed correctly.
 * @see org.apache.felix.ipojo.Handler#configure(org.apache.felix.ipojo.metadata.Element, java.util.Dictionary)
 */
public void configure(Element metadata, Dictionary configuration) throws ConfigurationException {
    m_scope = getCompositeManager().getServiceContext();
    // Prepare the configuration to append.
    Properties toAppend = new Properties();
    Enumeration keys = configuration.keys();
    while (keys.hasMoreElements()) {
        String key = (String) keys.nextElement();
        if (!(key.equals("instance.name") || key.equals("component"))) {
            // Remove instance.name and component
            toAppend.put(key, configuration.get(key));
        }
    }
    Element[] instances = metadata.getElements("instance");
    m_configurations = new ManagedConfiguration[instances.length];
    for (int i = 0; i < instances.length; i++) {
        Properties conf = null;
        try {
            conf = parseInstance(instances[i]);
        } catch (ParseException e) {
            error("An instance cannot be parsed correctly", e);
            throw new ConfigurationException("An instance cannot be parsed correctly", e);
        }
        Properties instanceConfiguration = new Properties();
        instanceConfiguration.putAll(conf);
        instanceConfiguration.putAll(toAppend);
        m_configurations[i] = new ManagedConfiguration(instanceConfiguration);
    }
    m_description = new InstanceHandlerDescription(this, m_configurations);
}

Example 12 with ConfigurationException

use of org.apache.felix.ipojo.ConfigurationException in project felix by apache.

the class ServiceDependencyHandler method createServiceInstance.

/**
 * Create a Service instance object form the given Element.
 * This method parse the given element and configure the service instance object.
 * @param service : the Element describing the service instance
 * @param conf : the configuration from the composite instance
 * @throws ConfigurationException : the service instance cannot be created correctly
 */
private void createServiceInstance(Element service, Dictionary conf) throws ConfigurationException {
    // Prepare the configuration to append.
    Properties toAppend = new Properties();
    Enumeration keys = conf.keys();
    while (keys.hasMoreElements()) {
        String key = (String) keys.nextElement();
        if (!(key.equals("instance.name") || key.equals("component"))) {
            // Remove instance.name and component
            toAppend.put(key, conf.get(key));
        }
    }
    String spec = service.getAttribute("specification");
    if (spec == null) {
        throw new ConfigurationException("Malformed service : the specification attribute is mandatory");
    }
    // Cannot reinstantiate yourself
    String filter = "(&(!(factory.name=" + getCompositeManager().getFactory().getComponentDescription().getName() + "))(factory.state=1))";
    String givenFilter = service.getAttribute("filter");
    if (givenFilter != null) {
        // NOPMD
        filter = "(&" + filter + givenFilter + ")";
    }
    Filter fil;
    try {
        fil = getCompositeManager().getGlobalContext().createFilter(filter);
    } catch (InvalidSyntaxException e) {
        throw new ConfigurationException("Malformed filter " + filter, e);
    }
    Properties prop = new Properties();
    Element[] props = service.getElements("property");
    for (int k = 0; props != null && k < props.length; k++) {
        try {
            InstanceHandler.parseProperty(props[k], prop);
        } catch (ParseException e) {
            throw new ConfigurationException("An instance configuration is invalid", e);
        }
    }
    Properties instanceConfiguration = new Properties();
    instanceConfiguration.putAll(prop);
    instanceConfiguration.putAll(toAppend);
    String aggregate = service.getAttribute("aggregate");
    boolean agg = aggregate != null && aggregate.equalsIgnoreCase("true");
    String optional = service.getAttribute("optional");
    boolean opt = optional != null && optional.equalsIgnoreCase("true");
    int policy = DependencyMetadataHelper.getPolicy(service);
    Comparator cmp = DependencyMetadataHelper.getComparator(service, getCompositeManager().getGlobalContext());
    SvcInstance inst = new SvcInstance(this, spec, instanceConfiguration, agg, opt, fil, cmp, policy);
    m_instances.add(inst);
    String sources = service.getAttribute("context-source");
    if (sources != null) {
        SourceManager source = new SourceManager(sources, filter, inst, getCompositeManager());
        if (m_sources == null) {
            m_sources = new ArrayList(1);
        }
        m_sources.add(source);
    }
}

Example 13 with ConfigurationException

use of org.apache.felix.ipojo.ConfigurationException in project felix by apache.

the class ServiceDependencyHandler method configure.

/**
 * Configure the handler.
 * @param metadata : the metadata of the component
 * @param conf : the instance configuration
 * @throws ConfigurationException : the specification attribute is missing
 * @see CompositeHandler#configure(org.apache.felix.ipojo.metadata.Element, java.util.Dictionary)
 */
public void configure(Element metadata, Dictionary conf) throws ConfigurationException {
    Element[] services = metadata.getElements("subservice");
    // Get instance filters
    Dictionary confFilter = null;
    if (conf.get("requires.filters") != null) {
        confFilter = (Dictionary) conf.get("requires.filters");
    }
    for (int i = 0; i < services.length; i++) {
        String action = services[i].getAttribute("action");
        if (action == null) {
            throw new ConfigurationException("The action attribute must be set to 'instantiate' or 'import'");
        } else if ("instantiate".equalsIgnoreCase(action)) {
            createServiceInstance(services[i], conf);
        } else if ("import".equalsIgnoreCase(action)) {
            createServiceImport(services[i], confFilter);
        } else {
            throw new ConfigurationException("Unknown action : " + action);
        }
    }
    m_description = new ServiceInstantiatorDescription(this, m_instances, m_importers);
}

Example 14 with ConfigurationException

use of org.apache.felix.ipojo.ConfigurationException in project felix by apache.

the class ServiceDependencyHandler method createServiceImport.

/**
 * Create a Service importer object from the given Element.
 * This method parse the given element and configure the service importer object.
 * @param imp : Element describing the import
 * @param confFilter : instance filter customization
 * @throws ConfigurationException : the service importer cannot be created correctly
 */
private void createServiceImport(Element imp, Dictionary confFilter) throws ConfigurationException {
    boolean optional = false;
    boolean aggregate = false;
    String specification = imp.getAttribute("specification");
    if (specification == null) {
        // Malformed import
        error("Malformed import: the specification attribute is mandatory");
        throw new ConfigurationException("Malformed import : the specification attribute is mandatory");
    } else {
        String opt = imp.getAttribute("optional");
        optional = opt != null && opt.equalsIgnoreCase("true");
        String agg = imp.getAttribute("aggregate");
        aggregate = agg != null && agg.equalsIgnoreCase("true");
        // Cannot import yourself
        String original = "(&(objectClass=" + specification + ")(!(instance.name=" + getCompositeManager().getInstanceName() + ")))";
        String filter = original;
        String givenFilter = imp.getAttribute("filter");
        if (givenFilter != null) {
            // NOPMD
            filter = "(&" + filter + givenFilter + ")";
        }
        String identitity = imp.getAttribute("id");
        String scope = imp.getAttribute("scope");
        // Get the default bundle context.
        BundleContext context = getCompositeManager().getGlobalContext();
        if (scope != null) {
            if (scope.equalsIgnoreCase("global")) {
                context = new PolicyServiceContext(getCompositeManager().getGlobalContext(), getCompositeManager().getParentServiceContext(), PolicyServiceContext.GLOBAL);
            } else if (scope.equalsIgnoreCase("composite")) {
                context = new PolicyServiceContext(getCompositeManager().getGlobalContext(), getCompositeManager().getParentServiceContext(), PolicyServiceContext.LOCAL);
            } else if (scope.equalsIgnoreCase("composite+global")) {
                context = new PolicyServiceContext(getCompositeManager().getGlobalContext(), getCompositeManager().getParentServiceContext(), PolicyServiceContext.LOCAL_AND_GLOBAL);
            }
        }
        // Configure instance filter if available
        if (confFilter != null && identitity != null && confFilter.get(identitity) != null) {
            filter = "(&" + original + (String) confFilter.get(identitity) + ")";
        }
        Filter fil = null;
        if (filter != null) {
            try {
                fil = getCompositeManager().getGlobalContext().createFilter(filter);
            } catch (InvalidSyntaxException e) {
                throw new ConfigurationException("A required filter " + filter + " is malformed", e);
            }
        }
        Comparator cmp = DependencyMetadataHelper.getComparator(imp, getCompositeManager().getGlobalContext());
        Class spec = DependencyMetadataHelper.loadSpecification(specification, getCompositeManager().getGlobalContext());
        int policy = DependencyMetadataHelper.getPolicy(imp);
        ServiceImporter importer = new ServiceImporter(spec, fil, aggregate, optional, cmp, policy, context, identitity, this);
        m_importers.add(importer);
        String sources = imp.getAttribute("context-source");
        if (sources != null) {
            SourceManager source = new SourceManager(sources, filter, importer, getCompositeManager());
            if (m_sources == null) {
                m_sources = new ArrayList(1);
            }
            m_sources.add(source);
        }
    }
}

Example 15 with ConfigurationException

use of org.apache.felix.ipojo.ConfigurationException in project felix by apache.

the class TemporalHandler method configure.

/**
 * Configure method. Creates managed dependencies.
 *
 * @param meta       the component type metadata.
 * @param dictionary the instance configuration.
 * @throws ConfigurationException if the dependency is not configured correctly
 * @see org.apache.felix.ipojo.Handler#configure(org.apache.felix.ipojo.metadata.Element, java.util.Dictionary)
 */
public void configure(Element meta, Dictionary dictionary) throws ConfigurationException {
    PojoMetadata manipulation = getFactory().getPojoMetadata();
    Element[] deps = meta.getElements("requires", NAMESPACE);
    // Also check with temporal is no requires.
    if (deps == null || deps.length == 0) {
        deps = meta.getElements("temporal", NAMESPACE);
    }
    // Get instance filters.
    Dictionary filtersConfiguration = getRequiresFilters(dictionary.get("temporal.filters"));
    if (filtersConfiguration == null || filtersConfiguration.isEmpty()) {
        // Fall back on the Requires handler configuration, if any
        filtersConfiguration = getRequiresFilters(dictionary.get("requires.filters"));
    }
    // Get from filters if any.
    Dictionary fromConfiguration = getRequiresFilters(dictionary.get("temporal.from"));
    if (fromConfiguration == null || fromConfiguration.isEmpty()) {
        // Fall back on the Requires handler configuration, if any
        fromConfiguration = getRequiresFilters(dictionary.get("requires.from"));
    }
    for (int i = 0; i < deps.length; i++) {
        if (!deps[i].containsAttribute("field") || m_dependencies.contains(deps[i].getAttribute("field"))) {
            error("One temporal dependency must be attached to a field or the field is already used");
            return;
        }
        String field = deps[i].getAttribute("field");
        String id = field;
        if (deps[i].containsAttribute("id")) {
            id = deps[i].getAttribute("id");
        }
        FieldMetadata fieldmeta = manipulation.getField(field);
        if (fieldmeta == null) {
            error("The field " + field + " does not exist in the class " + getInstanceManager().getClassName());
            return;
        }
        boolean agg = false;
        boolean collection = false;
        String spec = fieldmeta.getFieldType();
        if (spec.endsWith("[]")) {
            agg = true;
            spec = spec.substring(0, spec.length() - 2);
        } else if (Collection.class.getName().equals(spec)) {
            agg = true;
            collection = true;
            // Collection detected. Check for the specification attribute
            spec = deps[i].getAttribute("specification");
            if (spec == null) {
                error("A dependency injected inside a Collection must contain the 'specification' attribute");
            }
        }
        // Determine the filter
        String fil = deps[i].getAttribute("filter");
        // Override the filter if filter configuration if available in the instance configuration
        if (filtersConfiguration != null && id != null && filtersConfiguration.get(id) != null) {
            fil = (String) filtersConfiguration.get(id);
        }
        // Check the from attribute
        String from = deps[i].getAttribute("from");
        if (fromConfiguration != null && id != null && fromConfiguration.get(id) != null) {
            from = (String) fromConfiguration.get(id);
        }
        if (from != null) {
            String fromFilter = "(|(instance.name=" + from + ")(service.pid=" + from + "))";
            if (agg) {
                warn("The 'from' attribute is incompatible with aggregate requirements: only one provider will " + "match : " + fromFilter);
            }
            if (fil != null) {
                // Append the two filters
                fil = "(&" + fromFilter + fil + ")";
            } else {
                fil = fromFilter;
            }
        }
        Filter filter = null;
        if (fil != null) {
            try {
                filter = getInstanceManager().getContext().createFilter(fil);
            } catch (InvalidSyntaxException e) {
                throw new ConfigurationException("A requirement filter is invalid : " + filter, e);
            }
        }
        String prox = deps[i].getAttribute("proxy");
        // Use proxy by default except for array:
        boolean proxy = prox == null || prox.equals("true");
        if (prox == null && proxy) {
            // Proxy set because of the default.
            if (agg && !collection) {
                // Aggregate and array
                proxy = false;
            }
        }
        if (proxy && agg) {
            if (!collection) {
                error("Proxied aggregate temporal dependencies cannot be an array. Only collections are supported");
            }
        }
        long timeout = DEFAULT_TIMEOUT;
        if (deps[i].containsAttribute("timeout")) {
            String to = deps[i].getAttribute("timeout");
            if (to.equalsIgnoreCase("infinite") || to.equalsIgnoreCase("-1")) {
                // Infinite wait time ...
                timeout = Long.MAX_VALUE;
            } else {
                timeout = new Long(deps[i].getAttribute("timeout")).longValue();
            }
        }
        int policy = NO_POLICY;
        String di = null;
        String onTimeout = deps[i].getAttribute("onTimeout");
        if (onTimeout != null) {
            if (onTimeout.equalsIgnoreCase("nullable")) {
                policy = NULLABLE;
            } else if (onTimeout.equalsIgnoreCase("empty-array") || onTimeout.equalsIgnoreCase("empty")) {
                policy = EMPTY;
                if (!agg) {
                    // The empty array policy can only be used on aggregate dependencies
                    error("Cannot use the empty array policy for " + field + " : non aggregate dependency.");
                }
            } else if (onTimeout.equalsIgnoreCase("null")) {
                policy = NULL;
            } else if (onTimeout.length() > 0) {
                di = onTimeout;
                policy = DEFAULT_IMPLEMENTATION;
            }
        }
        Class specification = DependencyMetadataHelper.loadSpecification(spec, getInstanceManager().getContext());
        TemporalDependency dep = new TemporalDependency(specification, agg, collection, proxy, filter, getInstanceManager().getContext(), timeout, policy, di, this);
        m_dependencies.add(dep);
        if (!proxy) {
            // Register method interceptor only if are not a proxy
            MethodMetadata[] methods = manipulation.getMethods();
            for (int k = 0; k < methods.length; k++) {
                getInstanceManager().register(methods[k], dep);
            }
        }
        getInstanceManager().register(fieldmeta, dep);
    }
}