Examples with Element org.apache.felix.ipojo.metadata.Element used on opensource projects

Example 6 with Element

use of org.apache.felix.ipojo.metadata.Element in project felix by apache.

the class TestBadConfigurations method dumpElement.

// DEBUG
private String dumpElement(int level, Element element) {
    StringBuilder sb = new StringBuilder();
    // Enter tag
    for (int i = 0; i < level; i++) {
        sb.append("  ");
    }
    sb.append('<');
    sb.append(element.getName());
    Attribute[] attributes = element.getAttributes();
    for (int i = 0; i < attributes.length; i++) {
        Attribute attribute = attributes[i];
        sb.append(' ');
        sb.append(attribute.getName());
        sb.append('=');
        sb.append(attribute.getValue());
    }
    sb.append(">\n");
    // Children
    Element[] elements = element.getElements();
    for (int i = 0; i < elements.length; i++) {
        sb.append(dumpElement(level + 1, elements[i]));
    }
    // Exit tag
    for (int i = 0; i < level; i++) {
        sb.append("  ");
    }
    sb.append("</" + element.getName() + ">\n");
    return sb.toString();
}

Example 7 with Element

use of org.apache.felix.ipojo.metadata.Element in project felix by apache.

the class EventAdminPublisherHandler method initializeComponentFactory.

/**
 * Initializes the component type.
 *
 * @param cd       the component type description to populate
 * @param metadata the component type metadata
 * @throws ConfigurationException if the given metadata is incorrect.
 * @see org.apache.felix.ipojo.Handler#initializeComponentFactory(
 * org.apache.felix.ipojo.architecture.ComponentTypeDescription, org.apache.felix.ipojo.metadata.Element)
 */
public void initializeComponentFactory(ComponentTypeDescription cd, Element metadata) throws ConfigurationException {
    // Update the current component description
    Dictionary dict = new Properties();
    PropertyDescription pd = new PropertyDescription(TOPICS_PROPERTY, Dictionary.class.getName(), dict.toString());
    cd.addProperty(pd);
    // Get Metadata publishers
    Element[] publishers = metadata.getElements("publisher", NAMESPACE);
    // if publisher is null, look for 'publishes' elements
    if (publishers == null || publishers.length == 0) {
        publishers = metadata.getElements("publishes", NAMESPACE);
    }
    if (publishers != null) {
        // Maps used to check name and field are unique
        Set nameSet = new HashSet();
        Set fieldSet = new HashSet();
        // Check all publishers are well formed
        for (int i = 0; i < publishers.length; i++) {
            // Check the publisher configuration is correct by creating an
            // unused publisher metadata
            EventAdminPublisherMetadata publisherMetadata = new EventAdminPublisherMetadata(publishers[i]);
            String name = publisherMetadata.getName();
            info(LOG_PREFIX + "Checking publisher " + name);
            // Check field existence and type
            String field = publisherMetadata.getField();
            FieldMetadata fieldMetadata = getPojoMetadata().getField(publisherMetadata.getField(), Publisher.class.getName());
            if (fieldMetadata == null) {
                throw new ConfigurationException("Field not found in the component : " + Publisher.class.getName() + " " + field);
            }
            // Check name and field are unique
            if (nameSet.contains(name)) {
                throw new ConfigurationException("A publisher with the same name already exists : " + name);
            } else if (fieldSet.contains(field)) {
                throw new ConfigurationException("The field " + field + " is already associated to a publisher");
            }
            nameSet.add(name);
            fieldSet.add(field);
        }
    } else {
        info(LOG_PREFIX + "No publisher to check");
    }
}

Example 8 with Element

use of org.apache.felix.ipojo.metadata.Element in project felix by apache.

the class EventAdminPublisherHandler method configure.

/**
 * Constructor.
 *
 * @param metadata the component type metadata
 * @param conf the instance configuration
 * @throws ConfigurationException if one event publication is not correct
 * @see org.apache.felix.ipojo.Handler#configure(org.apache.felix.ipojo.metadata.Element, java.util.Dictionary)
 */
public void configure(Element metadata, Dictionary conf) throws ConfigurationException {
    // Store the component manager
    m_manager = getInstanceManager();
    // Get the topics instance configuration
    Dictionary instanceTopics = (Dictionary) conf.get(TOPICS_PROPERTY);
    // Get Metadata publishers
    Element[] publishers = metadata.getElements("publisher", NAMESPACE);
    // if publisher is null, look for 'publishes' elements
    if (publishers == null || publishers.length == 0) {
        publishers = metadata.getElements("publishes", NAMESPACE);
    }
    if (publishers != null) {
        // map
        for (int i = 0; i < publishers.length; i++) {
            // Extract the publisher configuration
            EventAdminPublisherMetadata publisherMetadata = new EventAdminPublisherMetadata(publishers[i]);
            String name = publisherMetadata.getName();
            info(LOG_PREFIX + "Configuring publisher " + name);
            // Get the topic instance configuration if redefined
            String topicsString = (instanceTopics != null) ? (String) instanceTopics.get(name) : null;
            if (topicsString != null) {
                publisherMetadata.setTopics(topicsString);
            }
            // Check the publisher is correctly configured
            publisherMetadata.check();
            // Create the associated Publisher and insert it in the
            // publisher map
            Publisher publisher = new PublisherImpl(this, publisherMetadata.getTopics(), publisherMetadata.isSynchronous(), publisherMetadata.getDataKey(), m_manager.getInstanceName());
            m_publishersByField.put(publisherMetadata.getField(), publisher);
            // Register the callback that return the publisher
            // reference when the specified field is read by the
            // POJO.
            FieldMetadata fieldMetadata = getPojoMetadata().getField(publisherMetadata.getField(), Publisher.class.getName());
            m_manager.register(fieldMetadata, this);
        }
    } else {
        info(LOG_PREFIX + "No publisher to configure");
    }
    setValidity(true);
    debug(LOG_PREFIX + "Setup description....");
    // Initialize the description.
    m_description = new EventAdminPublisherHandlerDescription(this, m_publishersByField.values());
}

Example 9 with Element

use of org.apache.felix.ipojo.metadata.Element in project felix by apache.

the class EventAdminPublisherHandlerDescription method getHandlerInfo.

/**
 * Gets the handler description.
 * @see org.apache.felix.ipojo.architecture.HandlerDescription#getHandlerInfo()
 */
public Element getHandlerInfo() {
    Element root = super.getHandlerInfo();
    for (int i = 0; i < m_publishersDescriptions.size(); i++) {
        PublisherDescription p = (PublisherDescription) m_publishersDescriptions.get(i);
        Element publisher = new Element("Publisher", "");
        publisher.addAttribute(new Attribute("name", p.getName()));
        publisher.addAttribute(new Attribute("synchronous", String.valueOf(p.isSynchronous())));
        publisher.addAttribute(new Attribute("data_key", p.getDataKey()));
        Element topics = new Element("Topics", "");
        if (p.getTopics() != null) {
            for (int j = 0; j < p.getTopics().length; j++) {
                String topic = p.getTopics()[j];
                Element e_topic = new Element("topic", "");
                topics.addElement(e_topic);
                e_topic.addAttribute(new Attribute("name", topic));
            }
        }
        publisher.addElement(topics);
        root.addElement(publisher);
    }
    return root;
}

Example 10 with Element

use of org.apache.felix.ipojo.metadata.Element in project felix by apache.

the class TestManipulationMetadata method testGetMetadata.

@Test
public void testGetMetadata() {
    String header = (String) getTestBundle().getHeaders().get("iPOJO-Components");
    Element elem = null;
    try {
        elem = ManifestMetadataParser.parseHeaderMetadata(header);
    } catch (ParseException e) {
        fail("Parse Exception when parsing iPOJO-Component");
    }
    assertNotNull("Check elem not null", elem);
    Element manip = getManipulationForComponent(elem, "ManipulationMetadata-FooProviderType-1");
    assertNotNull("Check manipulation metadata not null for " + "FooProviderType-1", manip);
}