private void createProperties()

in tools/org.apache.felix.scr.annotations/src/main/java/org/apache/felix/scrplugin/processing/SCRAnnotationProcessor.java [344:484]
120 lines of code
33 McCabe index (conditional complexity)

    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);
        }
    }