Example usage for java.beans BeanInfo getPropertyDescriptors

Introduction

In this page you can find the example usage for java.beans BeanInfo getPropertyDescriptors.

Prototype

PropertyDescriptor[] getPropertyDescriptors();

Source Link

Document

Returns descriptors for all properties of the bean.

Usage

From source file:net.sourceforge.vulcan.web.struts.forms.PluginConfigForm.java

public void introspect(HttpServletRequest request) throws IntrospectionException, IllegalAccessException,
        InvocationTargetException, NoSuchMethodException, InstantiationException {
    Class<?> cls = null;// ww  w  . j  a  va2s.c o  m

    if ("pluginConfig".equals(focus)) {
        cls = pluginConfig.getClass();
        this.breadCrumbs.clear();
        this.breadCrumbs.add("Setup");

        if (isProjectPlugin()) {
            this.breadCrumbs.add("Projects");
            this.breadCrumbs.add(projectName);
            this.breadCrumbs.add(this.pluginConfig.getPluginName());
        } else {
            this.breadCrumbs.add("Plugins");
            this.breadCrumbs.add(this.pluginConfig.getPluginName());
        }
    } else {
        cls = PropertyUtils.getPropertyType(this, focus);
        if (cls.isArray()) {
            cls = cls.getComponentType();
        }
    }

    final String prefix = focus + ".";
    final PropertyDescriptor[] pds;

    if (PluginConfigDto.class.isAssignableFrom(cls)) {
        final PluginConfigDto pluginConfig = (PluginConfigDto) getFocusObject();
        final List<PropertyDescriptor> tmp = pluginConfig.getPropertyDescriptors(request.getLocale());
        pds = tmp.toArray(new PropertyDescriptor[tmp.size()]);

        if (pluginConfig instanceof PluginProfileDto) {
            ((PluginProfileDto) pluginConfig).checkPoint();
        }
    } else {
        final BeanInfo beanInfo = Introspector.getBeanInfo(cls);
        Introspector.flushFromCaches(cls);
        pds = beanInfo.getPropertyDescriptors();
    }

    if (isNested()) {
        for (PropertyDescriptor pd : propertyDescriptors) {
            if (focus.startsWith(pd.getName())) {
                breadCrumbs.add(pd.getDisplayName());
            }
        }
    }

    types.clear();
    choices.clear();
    propertyDescriptors.clear();
    hiddenPasswords.clear();

    for (PropertyDescriptor pd : pds) {
        final String name = prefix + pd.getName();
        final PropertyDescriptor cp = new PropertyDescriptor(pd.getName(), pd.getReadMethod(),
                pd.getWriteMethod());
        cp.setShortDescription(pd.getShortDescription());
        cp.setDisplayName(pd.getDisplayName());
        cp.setName(name);
        propertyDescriptors.add(cp);
        types.put(name, getTypeAndPrepare(name, pd));
    }

    putBreadCrumbsInRequest(request);
}

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From source file:de.escalon.hypermedia.spring.de.escalon.hypermedia.spring.jackson.LinkListSerializer.java

private void recurseSupportedProperties(JsonGenerator jgen, String currentVocab, Class<?> beanType,
        ActionDescriptor actionDescriptor, ActionInputParameter actionInputParameter, Object currentCallValue)
        throws IntrospectionException, IOException {
    // TODO support Option provider by other method args?
    final BeanInfo beanInfo = Introspector.getBeanInfo(beanType);
    final PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors();
    // TODO collection and map

    for (PropertyDescriptor propertyDescriptor : propertyDescriptors) {
        final Method writeMethod = propertyDescriptor.getWriteMethod();
        if (writeMethod == null) {
            continue;
        }//from   ww  w  . ja v  a  2 s . co m
        final Class<?> propertyType = propertyDescriptor.getPropertyType();
        // TODO: the property name must be a valid URI - need to check context for terms?
        String propertyName = getWritableExposedPropertyOrPropertyName(propertyDescriptor);
        if (DataType.isScalar(propertyType)) {

            final Property property = new Property(beanType, propertyDescriptor.getReadMethod(),
                    propertyDescriptor.getWriteMethod(), propertyDescriptor.getName());

            Object propertyValue = getPropertyValue(currentCallValue, propertyDescriptor);

            ActionInputParameter propertySetterInputParameter = new ActionInputParameter(
                    new MethodParameter(propertyDescriptor.getWriteMethod(), 0), propertyValue);
            final Object[] possiblePropertyValues = actionInputParameter.getPossibleValues(property,
                    actionDescriptor);

            writeSupportedProperty(jgen, currentVocab, propertySetterInputParameter, propertyName, property,
                    possiblePropertyValues);
        } else {
            jgen.writeStartObject();
            jgen.writeStringField("hydra:property", propertyName);
            // TODO: is the property required -> for bean props we need the Access annotation to express that
            jgen.writeObjectFieldStart(getPropertyOrClassNameInVocab(currentVocab, "rangeIncludes",
                    JacksonHydraSerializer.HTTP_SCHEMA_ORG, "schema:"));
            Expose expose = AnnotationUtils.getAnnotation(propertyType, Expose.class);
            String subClass;
            if (expose != null) {
                subClass = expose.value();
            } else {
                subClass = propertyType.getSimpleName();
            }
            jgen.writeStringField(getPropertyOrClassNameInVocab(currentVocab, "subClassOf",
                    "http://www.w3.org/2000/01/rdf-schema#", "rdfs:"), subClass);

            jgen.writeArrayFieldStart("hydra:supportedProperty");

            Object propertyValue = getPropertyValue(currentCallValue, propertyDescriptor);

            recurseSupportedProperties(jgen, currentVocab, propertyType, actionDescriptor, actionInputParameter,
                    propertyValue);
            jgen.writeEndArray();

            jgen.writeEndObject();
            jgen.writeEndObject();
        }
    }
}

---

From source file:net.jolm.JolmLdapTemplate.java

private AndFilter getAndFilterFromExample(LdapEntity example, boolean wildcardFilters, boolean logFilter) {
    try {/*from  w w w.  j av  a2 s .c o m*/
        AndFilter filter = new AndFilter();
        BeanInfo info = Introspector.getBeanInfo(example.getClass());
        for (PropertyDescriptor pd : info.getPropertyDescriptors()) {
            if (isAttributeApplicableInFilter(pd)) {
                Object value = pd.getReadMethod().invoke(example);
                if (value != null) {
                    if (value.getClass().isArray()) {
                        Object[] valueArray = (Object[]) value;
                        for (Object o : valueArray) {
                            addAndFilter(filter, pd, o, wildcardFilters);
                        }
                    } else {
                        if (StringUtils.isNotEmpty(value.toString())) {
                            addAndFilter(filter, pd, value, wildcardFilters);
                        }
                    }
                }
            }
        }

        if (logFilter && log.isDebugEnabled()) {
            log.debug("Finding " + example.getClass().getSimpleName() + "(s) using filter: " + filter.encode());
        }
        return filter;
    } catch (Exception e) {
        throw new RuntimeException("Unable to create the filter from ldap entity:" + example, e);
    }
}

---

From source file:com.icsshs.datatransfer.database.impl.QueryBeanProcessor.java

/**
 * Returns a PropertyDescriptor[] for the given Class.
 *
 * @param c The Class to retrieve PropertyDescriptors for.
 * @return A PropertyDescriptor[] describing the Class.
 * @throws SQLException if introspection failed.
 *///from   w  ww.ja va 2 s .c o m
private PropertyDescriptor[] propertyDescriptors(Class<?> c) throws SQLException {
    // Introspector caches BeanInfo classes for better performance
    BeanInfo beanInfo = null;
    try {
        beanInfo = Introspector.getBeanInfo(c);

    } catch (IntrospectionException e) {
        throw new SQLException("Bean introspection failed: " + e.getMessage());
    }

    return beanInfo.getPropertyDescriptors();
}

---

From source file:org.codehaus.enunciate.modules.xfire_client.EnunciatedClientOperationBinding.java

/**
 * Loads the property descriptors for the ordered properties of the specified class.
 *
 * @param wrapperClass The wrapper class.
 * @return The ordered property descriptors.
 *//*from  ww  w .jav  a 2s.c om*/
protected PropertyDescriptor[] loadOrderedProperties(Class wrapperClass) throws XFireFault {
    String[] propOrder = annotations.getPropertyOrder(wrapperClass);
    if (propOrder == null) {
        throw new XFireFault(
                "Unable use use " + wrapperClass.getName() + " as a wrapper class: no propOrder specified.",
                XFireFault.RECEIVER);
    }

    BeanInfo responseBeanInfo;
    try {
        responseBeanInfo = Introspector.getBeanInfo(wrapperClass, Object.class);
    } catch (IntrospectionException e) {
        throw new XFireFault("Unable to introspect " + wrapperClass.getName(), e, XFireFault.RECEIVER);
    }

    return PropertyUtil.sortProperties(wrapperClass, responseBeanInfo.getPropertyDescriptors(), propOrder);
}

---

From source file:net.jolm.JolmLdapTemplate.java

private List<? extends LdapEntity> filterAttributes(List<LdapEntity> entities, String[] attributes) {
    if (entities == null || entities.size() == 0) {
        return entities;
    }//from  www. j av  a 2 s .  com
    List<String> attributesAsList = Arrays.asList(attributes);
    for (LdapEntity entity : entities) {
        BeanInfo beanInfo;
        try {
            beanInfo = Introspector.getBeanInfo(entity.getClass());
            PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors();
            for (PropertyDescriptor pd : propertyDescriptors) {
                if (isAttributeFiltered(pd.getName(), attributesAsList)) {
                    Method writeMethod = pd.getWriteMethod();
                    writeMethod.invoke(entity, new Object[] { null });
                }
            }
        } catch (Exception e) {
            //Should never happen
            throw new RuntimeException(e);
        }
    }
    return entities;
}

---

From source file:com.github.erchu.beancp.commons.NameBasedMapConvention.java

private List<BindingSide> getMatchingPropertyByName(final BeanInfo sourceBeanInfo,
        final String atDestinationName, final MemberAccessType destinationMemberAccessType) {
    Optional<PropertyDescriptor> exactMatchResult = Arrays.stream(sourceBeanInfo.getPropertyDescriptors())
            .filter(i -> i.getName().equalsIgnoreCase(atDestinationName)).findFirst();

    if (exactMatchResult.isPresent()) {
        List<BindingSide> result = new LinkedList<>();
        result.add(new PropertyBindingSide(exactMatchResult.get()));

        return result;
    }//from  w  ww  .jav  a  2  s  .  com

    if (_flateningEnabled) {
        Optional<PropertyDescriptor> partiallyMatchResult = Arrays
                .stream(sourceBeanInfo.getPropertyDescriptors())
                .filter(i -> StringUtils.startsWithIgnoreCase(atDestinationName, i.getName()))
                .sorted((x, y) -> y.getName().length() - x.getName().length()).findFirst();

        if (partiallyMatchResult.isPresent()) {
            BindingSide firstBinding = new PropertyBindingSide(partiallyMatchResult.get());
            Class innerPropertyClass = firstBinding.getValueClass();

            return getInnerMatchingSourceMemberByName(innerPropertyClass, atDestinationName, firstBinding,
                    destinationMemberAccessType);
        } else {
            return null;
        }
    }

    return null;
}

---

From source file:com.opensymphony.xwork2.ognl.OgnlUtil.java

/**
 * Get's the java beans property descriptors for the given class.
 *
 * @param clazz the source object.//  w w w . ja  v  a  2s  . com
 * @return property descriptors.
 * @throws IntrospectionException is thrown if an exception occurs during introspection.
 */
public PropertyDescriptor[] getPropertyDescriptors(Class clazz) throws IntrospectionException {
    BeanInfo beanInfo = getBeanInfo(clazz);
    return beanInfo.getPropertyDescriptors();
}

---

From source file:com.opensymphony.xwork2.ognl.OgnlUtil.java

/**
 * Get's the java beans property descriptors for the given source.
 *
 * @param source the source object./*from   www.java  2 s.  co m*/
 * @return property descriptors.
 * @throws IntrospectionException is thrown if an exception occurs during introspection.
 */
public PropertyDescriptor[] getPropertyDescriptors(Object source) throws IntrospectionException {
    BeanInfo beanInfo = getBeanInfo(source);
    return beanInfo.getPropertyDescriptors();
}

---

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