Examples with BeanInfo java.beans.BeanInfo used on opensource projects

Example 36 with BeanInfo

use of java.beans.BeanInfo in project geronimo-xbean by apache.

the class XBeanNamespaceHandler method getPropertyDescriptor.

/**
 * Looks up the property decriptor for the given class and property name
 */
protected PropertyDescriptor getPropertyDescriptor(String className, String localName) {
    BeanInfo beanInfo = qnameHelper.getBeanInfo(className);
    if (beanInfo != null) {
        PropertyDescriptor[] descriptors = beanInfo.getPropertyDescriptors();
        for (int i = 0; i < descriptors.length; i++) {
            PropertyDescriptor descriptor = descriptors[i];
            String name = descriptor.getName();
            if (name.equals(localName)) {
                return descriptor;
            }
        }
    }
    return null;
}

Example 37 with BeanInfo

use of java.beans.BeanInfo in project geronimo-xbean by apache.

the class XBeanQNameHelper method coerceNamespaceAwarePropertyValues.

/**
 * Any namespace aware property values (such as QNames) need to be coerced
 * while we still have access to the XML Element from which its value comes -
 * so lets do that now before we trash the DOM and just have the bean
 * definition.
 */
public void coerceNamespaceAwarePropertyValues(BeanDefinition definition, Element element) {
    if (definition instanceof AbstractBeanDefinition && isQnameIsOnClassPath()) {
        AbstractBeanDefinition bd = (AbstractBeanDefinition) definition;
        // lets check for any QName types
        BeanInfo beanInfo = getBeanInfo(bd.getBeanClassName());
        if (beanInfo != null) {
            PropertyDescriptor[] descriptors = beanInfo.getPropertyDescriptors();
            for (int i = 0; i < descriptors.length; i++) {
                QNameReflectionHelper.coerceNamespaceAwarePropertyValues(bd, element, descriptors, i);
            }
        }
    }
}

Example 38 with BeanInfo

use of java.beans.BeanInfo in project jaffa-framework by jaffa-projects.

the class JmsQueueAdmin method createMessageGraph.

/**
 * Molds the input JMS Message into a MessageGraph.
 */
private static MessageGraph createMessageGraph(Message message, String queueName, PropertyFilter pf) throws JMSException, IntrospectionException {
    MessageGraph graph = new MessageGraph();
    graph.setQueueMetaData(createQueueMetaData(queueName, pf));
    if (pf.isFieldIncluded("type"))
        graph.setType(queueName);
    if (pf.isFieldIncluded("messageId"))
        graph.setMessageId(message.getJMSMessageID());
    if (pf.isFieldIncluded("priority"))
        graph.setPriority(new Long(message.getJMSPriority()));
    if (pf.isFieldIncluded("createdOn"))
        graph.setCreatedOn(message.getJMSTimestamp() != 0 ? new DateTime(message.getJMSTimestamp()) : null);
    if (pf.isFieldIncluded("createdBy"))
        graph.setCreatedBy(message.getStringProperty(JmsBrowser.HEADER_USER_ID));
    if (pf.isFieldIncluded("errorMessage"))
        graph.setErrorMessage(message.getStringProperty(JmsBrowser.HEADER_ERROR_DETAILS));
    if (pf.isFieldIncluded("payload") && message instanceof TextMessage)
        graph.setPayload(((TextMessage) message).getText());
    if (pf.isFieldIncluded("hasAdminAccess"))
        graph.setHasAdminAccess(JmsBrowser.hasAdminMessageAccess(queueName));
    if (pf.isFieldIncluded("applicationFields") || pf.isFieldIncluded("technicalFields")) {
        // Generate a Map of header elements, keyed by the name of each header element
        // Names beginning with JMS and jaffa_ will be treated as techincal, while the rest will be assumed to be application-specific
        Map<String, MessageField> applicationFields = new LinkedHashMap<String, MessageField>();
        Map<String, MessageField> technicalFields = new TreeMap<String, MessageField>();
        for (Enumeration e = message.getPropertyNames(); e.hasMoreElements(); ) {
            String name = (String) e.nextElement();
            String value = Formatter.format(message.getObjectProperty(name));
            MessageField messageField = new MessageField();
            messageField.setName(name);
            messageField.setValue(value);
            if (name.startsWith("JMS") || name.startsWith("jaffa_"))
                technicalFields.put(name, messageField);
            else
                applicationFields.put(name, messageField);
        }
        // Treat all the JMS* properties of the Message as technical
        if (pf.isFieldIncluded("technicalFields")) {
            BeanInfo beanInfo = Introspector.getBeanInfo(Message.class);
            if (beanInfo != null) {
                PropertyDescriptor[] pds = beanInfo.getPropertyDescriptors();
                if (pds != null) {
                    for (PropertyDescriptor pd : pds) {
                        if (pd.getReadMethod() != null && !pd.getPropertyType().isArray()) {
                            String name = pd.getName();
                            try {
                                Object value = pd.getReadMethod().invoke(message);
                                MessageField messageField = new MessageField();
                                messageField.setName(name);
                                messageField.setValue(Formatter.format(value));
                                technicalFields.put(name, messageField);
                            } catch (Exception e) {
                                if (log.isDebugEnabled())
                                    log.debug("Exception thrown while reading Message property: " + name, e);
                            }
                        }
                    }
                }
            }
            if (!technicalFields.isEmpty())
                graph.setTechnicalFields(technicalFields.values().toArray(new MessageField[technicalFields.size()]));
        }
        // Add labels to the application-fields from the configuration-file
        if (pf.isFieldIncluded("applicationFields")) {
            QueueInfo queueInfo = ConfigurationService.getInstance().getQueueInfo(queueName);
            if (queueInfo != null && queueInfo.getDisplayParam() != null) {
                for (DisplayParam displayParam : queueInfo.getDisplayParam()) {
                    if (displayParam.getLabel() != null && applicationFields.containsKey(displayParam.getName()))
                        applicationFields.get(displayParam.getName()).setLabel(MessageHelper.replaceTokens(displayParam.getLabel()));
                }
            }
            if (!applicationFields.isEmpty())
                graph.setApplicationFields(applicationFields.values().toArray(new MessageField[applicationFields.size()]));
        }
    }
    return graph;
}

Example 39 with BeanInfo

use of java.beans.BeanInfo in project jaffa-framework by jaffa-projects.

the class TransformerUtils method printGraph.

/**
 * Same as printGraph(Object source), except the objectStack lists all the parent
 * objects its printed, and if this is one of them, it stops. This allows detection
 * of possible infinite recusion.
 *
 * @param source      Javabean who's contents should be printed
 * @param objectStack List of objects already traversed
 * @return multi-line string of this beans properties and their values
 */
public static String printGraph(Object source, List objectStack) {
    if (source == null)
        return null;
    // Prevent infinite object recursion
    if (objectStack != null)
        if (objectStack.contains(source))
            return "Object Already Used. " + source.getClass().getName() + '@' + source.hashCode();
        else
            objectStack.add(source);
    else {
        objectStack = new ArrayList();
        objectStack.add(source);
    }
    StringBuffer out = new StringBuffer();
    out.append(source.getClass().getName());
    out.append("\n");
    try {
        BeanInfo sInfo = Introspector.getBeanInfo(source.getClass());
        PropertyDescriptor[] sDescriptors = sInfo.getPropertyDescriptors();
        if (sDescriptors != null && sDescriptors.length != 0)
            for (int i = 0; i < sDescriptors.length; i++) {
                PropertyDescriptor sDesc = sDescriptors[i];
                Method sm = sDesc.getReadMethod();
                if (sm != null && sDesc.getWriteMethod() != null) {
                    if (!sm.isAccessible())
                        sm.setAccessible(true);
                    Object sValue = sm.invoke(source, (Object[]) null);
                    out.append("  ");
                    out.append(sDesc.getName());
                    if (source instanceof GraphDataObject) {
                        if (((GraphDataObject) source).hasChanged(sDesc.getName()))
                            out.append('*');
                    }
                    out.append('=');
                    if (sValue == null)
                        out.append("<--NULL-->\n");
                    else if (sm.getReturnType().isArray() && !sm.getReturnType().getComponentType().isPrimitive()) {
                        StringBuffer out2 = new StringBuffer();
                        out2.append("Array of ");
                        out2.append(sm.getReturnType().getComponentType().getName());
                        out2.append("\n");
                        // Loop through array
                        Object[] a = (Object[]) sValue;
                        for (int j = 0; j < a.length; j++) {
                            out2.append('[');
                            out2.append(j);
                            out2.append("] ");
                            if (a[j] == null)
                                out2.append("<--NULL-->");
                            else if (GraphDataObject.class.isAssignableFrom(a[j].getClass()))
                                out2.append(((GraphDataObject) a[j]).toString(objectStack));
                            else
                                // out2.append(StringHelper.linePad(a[j].toString(), 4, " ",true));
                                out2.append(a[j].toString());
                        }
                        out.append(StringHelper.linePad(out2.toString(), 4, " ", true));
                    } else {
                        if (GraphDataObject.class.isAssignableFrom(sValue.getClass()))
                            out.append(StringHelper.linePad(((GraphDataObject) sValue).toString(objectStack), 4, " ", true));
                        else {
                            out.append(StringHelper.linePad(sValue.toString(), 4, " ", true));
                            out.append("\n");
                        }
                    }
                }
            }
    } catch (IllegalAccessException e) {
        TransformException me = new TransformException(TransformException.ACCESS_ERROR, "???", e.getMessage());
        log.error(me.getLocalizedMessage(), e);
    // throw me;
    } catch (InvocationTargetException e) {
        TransformException me = new TransformException(TransformException.INVOCATION_ERROR, "???", e);
        log.error(me.getLocalizedMessage(), me.getCause());
    // throw me;
    } catch (IntrospectionException e) {
        TransformException me = new TransformException(TransformException.INTROSPECT_ERROR, "???", e.getMessage());
        log.error(me.getLocalizedMessage(), e);
    // throw me;
    }
    return out.toString();
}

Example 40 with BeanInfo

use of java.beans.BeanInfo in project yamcs-studio by yamcs.

the class DefaultWidgetIntrospector method getBeanInfo.

public BeanInfo getBeanInfo(Class<?> beanClass) throws IntrospectionException {
    Introspector.flushFromCaches(beanClass);
    BeanInfo bi = Introspector.getBeanInfo(beanClass);
    BeanDescriptor bd = bi.getBeanDescriptor();
    MethodDescriptor[] mds = bi.getMethodDescriptors();
    EventSetDescriptor[] esds = bi.getEventSetDescriptors();
    PropertyDescriptor[] pds = bi.getPropertyDescriptors();
    List<PropertyDescriptor> filteredPDList = new ArrayList<PropertyDescriptor>();
    List<String> nonPropList = Arrays.asList(getNonProperties());
    for (PropertyDescriptor pd : pds) {
        if (!nonPropList.contains(pd.getName()) && pd.getWriteMethod() != null && pd.getReadMethod() != null)
            filteredPDList.add(pd);
    }
    int defaultEvent = bi.getDefaultEventIndex();
    int defaultProperty = bi.getDefaultPropertyIndex();
    return new GenericBeanInfo(bd, esds, defaultEvent, filteredPDList.toArray(new PropertyDescriptor[filteredPDList.size()]), defaultProperty, mds, null);
}