Examples with FieldAnnotation org.apache.felix.scrplugin.annotations.FieldAnnotation used on opensource projects

Example 1 with FieldAnnotation

use of org.apache.felix.scrplugin.annotations.FieldAnnotation in project felix by apache.

the class SCRAnnotationProcessor method process.

/**
 * @throws SCRDescriptorException
 * @throws SCRDescriptorFailureException
 * @see org.apache.felix.scrplugin.annotations.AnnotationProcessor#process(org.apache.felix.scrplugin.annotations.ScannedClass, org.apache.felix.scrplugin.description.ClassDescription)
 */
@Override
public void process(final ScannedClass scannedClass, final ClassDescription describedClass) throws SCRDescriptorFailureException, SCRDescriptorException {
    final List<ClassAnnotation> componentTags = scannedClass.getClassAnnotations(Component.class.getName());
    scannedClass.processed(componentTags);
    for (final ClassAnnotation cad : componentTags) {
        describedClass.add(createComponent(cad, scannedClass));
    }
    // search for the component descriptions and use the first one
    final List<ComponentDescription> componentDescs = describedClass.getDescriptions(ComponentDescription.class);
    ComponentDescription found = null;
    if (!componentDescs.isEmpty()) {
        found = componentDescs.get(0);
    }
    if (found != null) {
        final ComponentDescription cd = found;
        // search for methods
        final List<MethodAnnotation> methodTags = scannedClass.getMethodAnnotations(null);
        for (final MethodAnnotation m : methodTags) {
            if (m.getName().equals(Activate.class.getName())) {
                cd.setActivate(m.getAnnotatedMethod().getName());
                scannedClass.processed(m);
            } else if (m.getName().equals(Deactivate.class.getName())) {
                cd.setDeactivate(m.getAnnotatedMethod().getName());
                scannedClass.processed(m);
            } else if (m.getName().equals(Modified.class.getName())) {
                cd.setModified(m.getAnnotatedMethod().getName());
                scannedClass.processed(m);
            }
        }
    }
    // service tags
    final List<ClassAnnotation> allServiceTags = new ArrayList<ClassAnnotation>();
    final List<ClassAnnotation> serviceTags = scannedClass.getClassAnnotations(Service.class.getName());
    if (serviceTags.size() > 0) {
        scannedClass.processed(serviceTags);
        allServiceTags.addAll(serviceTags);
    }
    // services tags - class level
    final List<ClassAnnotation> servicesTags = scannedClass.getClassAnnotations(Services.class.getName());
    if (servicesTags.size() > 0) {
        scannedClass.processed(servicesTags);
        for (final ClassAnnotation cad : servicesTags) {
            final ClassAnnotation[] values = (ClassAnnotation[]) cad.getValue("value");
            if (values != null) {
                allServiceTags.addAll(Arrays.asList(values));
            }
        }
    }
    if (allServiceTags.size() > 0) {
        describedClass.add(createService(allServiceTags, scannedClass));
    }
    // references - class level
    final List<ClassAnnotation> referencesClassTags = scannedClass.getClassAnnotations(References.class.getName());
    scannedClass.processed(referencesClassTags);
    for (final ClassAnnotation cad : referencesClassTags) {
        final ClassAnnotation[] values = (ClassAnnotation[]) cad.getValue("value");
        if (values != null) {
            createReferences(Arrays.asList(values), describedClass);
        }
    }
    // reference - class level
    final List<ClassAnnotation> refClassTags = scannedClass.getClassAnnotations(Reference.class.getName());
    scannedClass.processed(refClassTags);
    createReferences(refClassTags, describedClass);
    // reference - field level
    final List<FieldAnnotation> refFieldTags = scannedClass.getFieldAnnotations(Reference.class.getName());
    scannedClass.processed(refFieldTags);
    createReferences(refFieldTags, describedClass);
    // properties - class level
    final List<ClassAnnotation> propsClassTags = scannedClass.getClassAnnotations(Properties.class.getName());
    scannedClass.processed(propsClassTags);
    for (final ClassAnnotation cad : propsClassTags) {
        final ClassAnnotation[] values = (ClassAnnotation[]) cad.getValue("value");
        if (values != null) {
            createProperties(Arrays.asList(values), describedClass);
        }
    }
    // property - class level
    final List<ClassAnnotation> propClassTags = scannedClass.getClassAnnotations(Property.class.getName());
    scannedClass.processed(propClassTags);
    createProperties(propClassTags, describedClass);
    // property - field level
    final List<FieldAnnotation> propFieldTags = scannedClass.getFieldAnnotations(Property.class.getName());
    scannedClass.processed(propFieldTags);
    createProperties(propFieldTags, describedClass);
}

Example 2 with FieldAnnotation

use of org.apache.felix.scrplugin.annotations.FieldAnnotation in project felix by apache.

the class SCRAnnotationProcessor method createProperties.

/**
 * Create properties descriptions
 *
 * @throws SCRDescriptorException
 * @throws SCRDescriptorFailureException
 */
private void createProperties(final List<? extends ScannedAnnotation> descs, final ClassDescription describedClass) throws SCRDescriptorFailureException, SCRDescriptorException {
    for (final ScannedAnnotation ad : descs) {
        final PropertyDescription prop = new PropertyDescription(ad);
        // check for field annotation
        final FieldAnnotation fieldAnnotation;
        if (ad instanceof FieldAnnotation) {
            fieldAnnotation = (FieldAnnotation) ad;
        } else {
            fieldAnnotation = null;
        }
        // Detect values from annotation
        String type = null;
        String[] values = null;
        int index = 0;
        while (type == null && index < PROPERTY_VALUE_PROCESSING.length) {
            final String propType = PROPERTY_VALUE_PROCESSING[index];
            final String propName = PROPERTY_VALUE_PROCESSING[index + 1];
            final Object propValue = ad.getValue(propName);
            if (propValue != null && propValue.getClass().isArray()) {
                type = propType;
                values = new String[Array.getLength(propValue)];
                for (int i = 0; i < values.length; i++) {
                    values[i] = Array.get(propValue, i).toString();
                }
            }
            index += 2;
        }
        String name = ad.getStringValue("name", null);
        if (values != null) {
            prop.setType(PropertyType.valueOf(type));
            if (values.length == 1) {
                prop.setValue(values[0]);
            } else {
                prop.setMultiValue(values);
            }
            if (name == null) {
                final Object value = fieldAnnotation.getAnnotatedFieldValue();
                if (value != null) {
                    name = value.toString();
                }
            }
        } else if (fieldAnnotation != null) {
            // Detect values from field
            if (name != null) {
                final Object value = fieldAnnotation.getAnnotatedFieldValue();
                if (value != null) {
                    if (value.getClass().isArray()) {
                        final String[] newValues = new String[Array.getLength(value)];
                        for (int i = 0; i < newValues.length; i++) {
                            newValues[i] = Array.get(value, i).toString();
                        }
                        prop.setMultiValue(newValues);
                        prop.setType(PropertyType.from(fieldAnnotation.getAnnotatedField().getType().getComponentType()));
                    } else {
                        prop.setType(PropertyType.from(value.getClass()));
                        prop.setValue(value.toString());
                    }
                }
            } else {
                if (Modifier.isStatic(fieldAnnotation.getAnnotatedField().getModifiers())) {
                    final Object value = fieldAnnotation.getAnnotatedFieldValue();
                    if (value != null) {
                        name = value.toString();
                    }
                } else {
                    // non static, no name, no value (FELIX-4393)
                    name = fieldAnnotation.getAnnotatedField().getName();
                    final Object value = fieldAnnotation.getAnnotatedFieldValue();
                    if (value != null) {
                        if (value.getClass().isArray()) {
                            final String[] newValues = new String[Array.getLength(value)];
                            for (int i = 0; i < newValues.length; i++) {
                                newValues[i] = Array.get(value, i).toString();
                            }
                            prop.setMultiValue(newValues);
                            prop.setType(PropertyType.from(fieldAnnotation.getAnnotatedField().getType().getComponentType()));
                        } else {
                            prop.setType(PropertyType.from(value.getClass()));
                            prop.setValue(value.toString());
                        }
                    }
                }
            }
        }
        prop.setName(name);
        prop.setLabel(ad.getStringValue("label", null));
        prop.setDescription(ad.getStringValue("description", null));
        // check type
        if (prop.getType() == null) {
            prop.setType(PropertyType.String);
        }
        // private
        if (ad.getValue("propertyPrivate") != null) {
            prop.setPrivate(ad.getBooleanValue("propertyPrivate", false));
        }
        // cardinality handling
        final PropertyUnbounded pu = PropertyUnbounded.valueOf(ad.getEnumValue("unbounded", PropertyUnbounded.DEFAULT.name()));
        prop.setUnbounded(pu);
        if (pu == PropertyUnbounded.DEFAULT) {
            prop.setCardinality(ad.getIntegerValue("cardinality", 0));
            if (prop.getMultiValue() != null && prop.getCardinality() == 0) {
                prop.setUnbounded(PropertyUnbounded.ARRAY);
            }
        } else {
            prop.setCardinality(0);
        }
        if (prop.getValue() != null) {
            if (prop.getUnbounded() == PropertyUnbounded.ARRAY || prop.getUnbounded() == PropertyUnbounded.VECTOR) {
                prop.setMultiValue(new String[] { prop.getValue() });
            } else if (prop.getCardinality() < -1 || prop.getCardinality() > 1) {
                prop.setMultiValue(new String[] { prop.getValue() });
            }
        }
        // options
        final ScannedAnnotation[] options = (ScannedAnnotation[]) ad.getValue("options");
        if (options != null) {
            final List<String> propertyOptions = new ArrayList<String>();
            for (final ScannedAnnotation po : options) {
                propertyOptions.add(po.getStringValue("name", ""));
                propertyOptions.add(po.getStringValue("value", ""));
            }
            prop.setOptions(propertyOptions.toArray(new String[propertyOptions.size()]));
        }
        describedClass.add(prop);
    }
}

Example 3 with FieldAnnotation

use of org.apache.felix.scrplugin.annotations.FieldAnnotation in project felix by apache.

the class SCRAnnotationProcessor method createReferences.

/**
 * Create reference descriptions
 *
 * @param descs
 *            List of reference annotations.s
 * @param describedClass
 *            The described class.
 */
private void createReferences(final List<? extends ScannedAnnotation> descs, final ClassDescription describedClass) {
    for (final ScannedAnnotation ad : descs) {
        final ReferenceDescription ref = new ReferenceDescription(ad);
        // check for field annotation
        final FieldAnnotation fieldAnnotation;
        if (ad instanceof FieldAnnotation) {
            fieldAnnotation = (FieldAnnotation) ad;
            ref.setField(fieldAnnotation.getAnnotatedField());
        } else {
            fieldAnnotation = null;
        }
        ref.setName(ad.getStringValue("name", (fieldAnnotation != null ? fieldAnnotation.getAnnotatedField().getName() : null)));
        String defaultInterfaceName = null;
        if (fieldAnnotation != null) {
            if (fieldAnnotation.getAnnotatedField().getType().isArray()) {
                defaultInterfaceName = fieldAnnotation.getAnnotatedField().getType().getComponentType().getName();
            } else {
                defaultInterfaceName = fieldAnnotation.getAnnotatedField().getType().getName();
            }
        }
        ref.setInterfaceName(ad.getStringValue("referenceInterface", defaultInterfaceName));
        ref.setTarget(ad.getStringValue("target", null));
        ref.setCardinality(ReferenceCardinality.valueOf(ad.getEnumValue("cardinality", ReferenceCardinality.MANDATORY_UNARY.name())));
        ref.setPolicy(ReferencePolicy.valueOf(ad.getEnumValue("policy", ReferencePolicy.STATIC.name())));
        ref.setPolicyOption(ReferencePolicyOption.valueOf(ad.getEnumValue("policyOption", ReferencePolicyOption.RELUCTANT.name())));
        ref.setStrategy(ReferenceStrategy.valueOf(ad.getEnumValue("strategy", ReferenceStrategy.EVENT.name())));
        ref.setBind(ad.getStringValue("bind", null));
        ref.setUnbind(ad.getStringValue("unbind", null));
        ref.setUpdated(ad.getStringValue("updated", null));
        describedClass.add(ref);
    }
}

Example 4 with FieldAnnotation

use of org.apache.felix.scrplugin.annotations.FieldAnnotation in project felix by apache.

the class ClassScanner method parseAnnotation.

/**
 * Parse annotation and create a description.
 */
private void parseAnnotation(final List<ScannedAnnotation> descriptions, final AnnotationNode annotation, final Object annotatedObject) {
    // desc has the format 'L' + className.replace('.', '/') + ';'
    final String name = annotation.desc.substring(1, annotation.desc.length() - 1).replace('/', '.');
    Map<String, Object> values = null;
    if (annotation.values != null) {
        values = new HashMap<String, Object>();
        final Iterator<?> i = annotation.values.iterator();
        while (i.hasNext()) {
            final Object vName = i.next();
            Object value = i.next();
            // convert type to class name string
            if (value instanceof Type) {
                value = ((Type) value).getClassName();
            } else if (value instanceof List<?>) {
                final List<?> objects = (List<?>) value;
                if (objects.size() > 0) {
                    if (objects.get(0) instanceof Type) {
                        final String[] classNames = new String[objects.size()];
                        int index = 0;
                        for (final Object v : objects) {
                            classNames[index] = ((Type) v).getClassName();
                            index++;
                        }
                        value = classNames;
                    } else if (objects.get(0) instanceof AnnotationNode) {
                        final List<ScannedAnnotation> innerDesc = new ArrayList<ScannedAnnotation>();
                        for (final Object v : objects) {
                            parseAnnotation(innerDesc, (AnnotationNode) v, annotatedObject);
                        }
                        if (annotatedObject instanceof Method) {
                            value = innerDesc.toArray(new MethodAnnotation[innerDesc.size()]);
                        } else if (annotatedObject instanceof Field) {
                            value = innerDesc.toArray(new FieldAnnotation[innerDesc.size()]);
                        } else {
                            value = innerDesc.toArray(new ClassAnnotation[innerDesc.size()]);
                        }
                    } else {
                        value = convertToArray(objects, objects.get(0).getClass());
                    }
                } else {
                    value = null;
                }
            }
            values.put(vName.toString(), value);
        }
    }
    final ScannedAnnotation a;
    if (annotatedObject instanceof Method) {
        a = new MethodAnnotation(name, values, (Method) annotatedObject);
        ((Method) annotatedObject).setAccessible(true);
    } else if (annotatedObject instanceof Field) {
        a = new FieldAnnotation(name, values, (Field) annotatedObject);
        ((Field) annotatedObject).setAccessible(true);
    } else {
        a = new ClassAnnotation(name, values);
    }
    descriptions.add(a);
}