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

Example 1 with ConfigurationException

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

the class EventAdminSubscriberHandler method initializeComponentFactory.

/**
 * Initializes the component type.
 *
 * @param cd component type description to populate.
 * @param metadata component type metadata.
 * @throws ConfigurationException if the metadata are 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();
    cd.addProperty(new PropertyDescription(TOPICS_PROPERTY, Dictionary.class.getName(), dict.toString()));
    dict = new Properties();
    cd.addProperty(new PropertyDescription(FILTER_PROPERTY, Dictionary.class.getName(), dict.toString()));
    // Get Metadata subscribers
    Element[] subscribers = metadata.getElements("subscriber", NAMESPACE);
    if (subscribers != null) {
        // Maps used to check name and field are unique
        Set nameSet = new HashSet();
        Set callbackSet = new HashSet();
        // Check all subscribers are well formed
        for (int i = 0; i < subscribers.length; i++) {
            // Check the subscriber configuration is correct by creating an
            // unused subscriber metadata
            EventAdminSubscriberMetadata subscriberMetadata = new EventAdminSubscriberMetadata(getFactory().getBundleContext(), subscribers[i]);
            String name = subscriberMetadata.getName();
            info(LOG_PREFIX + "Checking subscriber " + name);
            // Determine the event callback prototype
            PojoMetadata pojoMetadata = getPojoMetadata();
            String callbackType;
            if (subscriberMetadata.getDataKey() == null) {
                callbackType = Event.class.getName();
            } else {
                callbackType = subscriberMetadata.getDataType().getName();
            }
            // Check the event callback method is present
            MethodMetadata methodMetadata = pojoMetadata.getMethod(subscriberMetadata.getCallback(), new String[] { callbackType });
            String callbackSignature = subscriberMetadata.getCallback() + "(" + callbackType + ")";
            if (methodMetadata == null) {
                throw new ConfigurationException("Cannot find callback method " + callbackSignature);
            }
            // Warn if the same callback is used by several subscribers
            if (callbackSet.contains(callbackSignature)) {
                warn("The callback method is already used by another subscriber : " + callbackSignature);
            } else {
                callbackSet.add(callbackSignature);
            }
            // Check name is unique
            if (nameSet.contains(name)) {
                throw new ConfigurationException("A subscriber with the same name already exists : " + name);
            }
            nameSet.add(name);
        }
        m_description = new EventAdminSubscriberHandlerDescription(this, subscribers);
    } else {
        info(LOG_PREFIX + "No subscriber to check");
    }
}

Example 2 with ConfigurationException

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

the class PropertiesHandler method configure.

/**
 * This method is the first to be invoked.
 * This method aims to configure the handler. It receives the component type metadata and the instance
 * configuration. The method parses given metadata and registers fields to inject.
 *
 * Step 3 : when the instance configuration contains the properties.file property, it overrides the properties file location.
 *
 * @param metadata : component type metadata
 * @param configuration : instance description
 * @throws ConfigurationException : the configuration of the handler has failed.
 */
@SuppressWarnings("unchecked")
public void configure(Element metadata, Dictionary configuration) throws ConfigurationException {
    // Parse metadata to get <properties file="$file"/>
    // Get all elements to configure the handler
    Element[] elem = metadata.getElements("properties", NAMESPACE);
    switch(elem.length) {
        case 0:
            // It actually happen only if you force the handler to be plugged.
            throw new ConfigurationException("No properties found");
        case 1:
            // One 'properties' found, get attributes.
            m_file = elem[0].getAttribute("file");
            if (m_file == null) {
                // if file is null, throw a configuration error.
                throw new ConfigurationException("Malformed properties element : file attribute must be set");
            }
            break;
        default:
            // To simplify we handle only one properties element.
            throw new ConfigurationException("Only one properties element is supported");
    }
    // Look if the instance overrides file location :
    String instanceFile = (String) configuration.get("properties.file");
    if (instanceFile != null) {
        m_file = instanceFile;
    }
    // Load properties
    try {
        loadProperties();
    } catch (IOException e) {
        throw new ConfigurationException("Error when reading the " + m_file + " file : " + e.getMessage());
    }
    // Register fields
    // By convention, properties file entry are field name, so look for each property to get field list.
    // First get Pojo Metadata metadata :
    PojoMetadata pojoMeta = getPojoMetadata();
    Enumeration e = m_properties.keys();
    while (e.hasMoreElements()) {
        String field = (String) e.nextElement();
        FieldMetadata fm = pojoMeta.getField(field);
        if (fm == null) {
            // The field does not exist
            throw new ConfigurationException("The field " + field + " is declared in the properties file but does not exist in the pojo");
        }
        // Then check that the field is a String field
        if (!fm.getFieldType().equals(String.class.getName())) {
            throw new ConfigurationException("The field " + field + " exists in the pojo, but is not a String");
        }
        // All checks are ok, register the interceptor.
        getInstanceManager().register(fm, this);
    }
// Finally register the field to listen
}

Example 3 with ConfigurationException

use of org.apache.felix.ipojo.ConfigurationException 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 4 with ConfigurationException

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

the class Property method createArrayObject.

/**
 * Creates an array object containing the type component type from
 * the String array 'values'.
 * @param interntype the internal type of the array.
 * @param values the String array
 * @return the array containing objects created from the 'values' array
 * @throws ConfigurationException if the array cannot be created correctly
 */
public static Object createArrayObject(Class interntype, String[] values) throws ConfigurationException {
    if (Boolean.TYPE.equals(interntype)) {
        boolean[] bool = new boolean[values.length];
        for (int i = 0; i < values.length; i++) {
            bool[i] = Boolean.valueOf(values[i]).booleanValue();
        }
        return bool;
    }
    if (Byte.TYPE.equals(interntype)) {
        byte[] byt = new byte[values.length];
        for (int i = 0; i < values.length; i++) {
            byt[i] = new Byte(values[i]).byteValue();
        }
        return byt;
    }
    if (Short.TYPE.equals(interntype)) {
        short[] shor = new short[values.length];
        for (int i = 0; i < values.length; i++) {
            shor[i] = new Short(values[i]).shortValue();
        }
        return shor;
    }
    if (Integer.TYPE.equals(interntype)) {
        int[] ints = new int[values.length];
        for (int i = 0; i < values.length; i++) {
            ints[i] = new Integer(values[i]).intValue();
        }
        return ints;
    }
    if (Long.TYPE.equals(interntype)) {
        long[] longs = new long[values.length];
        for (int i = 0; i < values.length; i++) {
            longs[i] = new Long(values[i]).longValue();
        }
        return longs;
    }
    if (Float.TYPE.equals(interntype)) {
        float[] floats = new float[values.length];
        for (int i = 0; i < values.length; i++) {
            floats[i] = new Float(values[i]).floatValue();
        }
        return floats;
    }
    if (Double.TYPE.equals(interntype)) {
        double[] doubles = new double[values.length];
        for (int i = 0; i < values.length; i++) {
            doubles[i] = new Double(values[i]).doubleValue();
        }
        return doubles;
    }
    if (Character.TYPE.equals(interntype)) {
        char[] chars = new char[values.length];
        for (int i = 0; i < values.length; i++) {
            chars[i] = values[i].toCharArray()[0];
        }
        return chars;
    }
    // object by calling a constructor with a string in argument.
    try {
        Constructor cst = interntype.getConstructor(new Class[] { String.class });
        Object[] object = (Object[]) Array.newInstance(interntype, values.length);
        for (int i = 0; i < values.length; i++) {
            object[i] = cst.newInstance(new Object[] { values[i].trim() });
        }
        return object;
    } catch (NoSuchMethodException e) {
        throw new ConfigurationException("Constructor not found exception in setValue on " + interntype.getName(), e);
    } catch (IllegalArgumentException e) {
        throw new ConfigurationException("Argument issue when calling the constructor of the type " + interntype.getName(), e);
    } catch (InstantiationException e) {
        throw new ConfigurationException("Instantiation problem  " + interntype.getName(), e);
    } catch (IllegalAccessException e) {
        throw new ConfigurationException("Illegal Access Exception in  " + interntype.getName(), e);
    } catch (InvocationTargetException e) {
        throw new ConfigurationException("Invocation problem " + interntype.getName(), e.getTargetException());
    }
}

Example 5 with ConfigurationException

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

the class PojoMetadataTest method testGetMetadata.

public void testGetMetadata() {
    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 = getMetadataForComponent(elem, "ManipulationMetadata-FooProviderType-1");
    assertNotNull("Check manipulation metadata not null for " + "Manipulation-FooProviderType-1", manip);
    PojoMetadata mm;
    try {
        mm = new PojoMetadata(manip);
        assertNotNull("Check mm not null", mm);
    } catch (ConfigurationException e) {
        fail("The creation of pojo metadata has failed");
    }
}