Example usage for org.springframework.beans BeanUtils getPropertyDescriptors

Introduction

In this page you can find the example usage for org.springframework.beans BeanUtils getPropertyDescriptors.

Prototype

public static PropertyDescriptor[] getPropertyDescriptors(Class<?> clazz) throws BeansException 

Source Link

Document

Retrieve the JavaBeans PropertyDescriptor s of a given class.

Usage

From source file:org.zkybase.cmdb.util.ReflectionUtils.java

public static <T, U> U copySimpleProperties(T from, U to) {
    try {/*  w w  w  .  j a  v a2  s.  c  om*/
        PropertyDescriptor[] fromDescs = BeanUtils.getPropertyDescriptors(from.getClass());
        for (PropertyDescriptor fromDesc : fromDescs) {
            String propName = fromDesc.getName();
            PropertyDescriptor toDesc = BeanUtils.getPropertyDescriptor(to.getClass(), propName);
            if (toDesc != null) {
                Method readMethod = fromDesc.getReadMethod();
                Object value = readMethod.invoke(from);
                boolean write = (value instanceof Long || value instanceof String);
                if (write) {
                    Method writeMethod = toDesc.getWriteMethod();
                    writeMethod.invoke(to, value);
                }
            }
        }
        return to;
    } catch (InvocationTargetException e) {
        throw new RuntimeException(e);
    } catch (IllegalAccessException e) {
        throw new RuntimeException(e);
    }
}

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From source file:com.glaf.core.util.Tools.java

@SuppressWarnings("unchecked")
public static Map<String, Object> getDataMap(Object target) {
    Map<String, Object> dataMap = new TreeMap<String, Object>();
    if (Map.class.isAssignableFrom(target.getClass())) {
        Map<String, Object> map = (Map<String, Object>) target;
        Set<Entry<String, Object>> entrySet = map.entrySet();
        for (Entry<String, Object> entry : entrySet) {
            String key = entry.getKey();
            Object value = entry.getValue();
            if (key != null && value != null) {
                dataMap.put(key.toString(), value);
            }/* w w w .  j av a2s. com*/
        }
    } else {
        PropertyDescriptor[] propertyDescriptor = BeanUtils.getPropertyDescriptors(target.getClass());
        for (int i = 0; i < propertyDescriptor.length; i++) {
            PropertyDescriptor descriptor = propertyDescriptor[i];
            String propertyName = descriptor.getName();
            if (propertyName.equalsIgnoreCase("class")) {
                continue;
            }
            try {
                Object value = PropertyUtils.getProperty(target, propertyName);
                dataMap.put(propertyName, value);
            } catch (Exception ex) {

            }
        }
    }
    return dataMap;
}

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From source file:grails.plugin.searchable.internal.support.DynamicMethodUtils.java

/**
 * Extract the property names from the given method name suffix accoring
 * to the given Class's properties//  w  w w .  j a  v  a  2 s.c  o m
 *
 * @param clazz the Class to resolve property names against
 * @param methodSuffix a method name suffix like 'NameAndAddressCity'
 * @return a Collection of property names like ['name', 'address']
 */
public static Collection extractPropertyNames(Class clazz, String methodSuffix) {
    String joinedNames = methodSuffix;
    Set propertyNames = new HashSet();
    PropertyDescriptor[] propertyDescriptors = BeanUtils.getPropertyDescriptors(clazz);
    for (int i = 0; i < propertyDescriptors.length; i++) {
        String name = propertyDescriptors[i].getName();
        String capitalized = name.substring(0, 1).toUpperCase() + name.substring(1);
        if (joinedNames.indexOf(capitalized) > -1) { // uses indexOf instead of contains for Java 1.4 compatibility
            propertyNames.add(name);
            joinedNames = DefaultGroovyMethods.minus(joinedNames, capitalized);
        }
    }
    if (joinedNames.length() > 0) {
        propertyNames.addAll(extractPropertyNames(joinedNames));
    }
    return propertyNames;
}

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From source file:org.jdal.vaadin.data.BeanWrapperItem.java

public BeanWrapperItem(Object bean, List<String> properties) {
    this.beanWrapper = PropertyAccessorFactory.forBeanPropertyAccess(bean);

    if (properties == null) {
        for (PropertyDescriptor pd : BeanUtils.getPropertyDescriptors(bean.getClass()))
            this.properties.add(pd.getName());
    } else {//from www .  j a va  2  s . co  m
        this.properties = properties;
    }

}

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From source file:org.opentele.server.core.util.CustomGroovyBeanJSONMarshaller.java

public void marshalObject(Object o, JSON json) throws ConverterException {
    JSONWriter writer = json.getWriter();
    try {//w ww  .java  2  s  .  com
        writer.object();
        for (PropertyDescriptor property : BeanUtils.getPropertyDescriptors(o.getClass())) {
            String name = property.getName();
            Method readMethod = property.getReadMethod();
            if (readMethod != null && !(name.equals("metaClass")) && !(name.equals("class"))) {
                Object value = readMethod.invoke(o, (Object[]) null);
                writer.key(name);
                json.convertAnother(value);
            }
        }
        for (Field field : o.getClass().getDeclaredFields()) {
            int modifiers = field.getModifiers();
            if (Modifier.isPublic(modifiers)
                    && !(Modifier.isStatic(modifiers) || Modifier.isTransient(modifiers))) {
                writer.key(field.getName());
                json.convertAnother(field.get(o));
            }
        }
        writer.endObject();
    } catch (ConverterException ce) {
        throw ce;
    } catch (Exception e) {
        throw new ConverterException("Error converting Bean with class " + o.getClass().getName(), e);
    }
}

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From source file:com.glaf.core.util.Tools.java

public static Map<String, Class<?>> getPropertyMap(Class<?> clazz) {
    Map<String, Class<?>> dataMap = new java.util.HashMap<String, Class<?>>();
    PropertyDescriptor[] propertyDescriptor = BeanUtils.getPropertyDescriptors(clazz);
    for (int i = 0; i < propertyDescriptor.length; i++) {
        PropertyDescriptor descriptor = propertyDescriptor[i];
        String propertyName = descriptor.getName();
        if (propertyName.equalsIgnoreCase("class")) {
            continue;
        }//from  w ww  .j  a  v a 2s.c o  m
        dataMap.put(propertyName, descriptor.getPropertyType());
    }
    return dataMap;
}

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From source file:com.blogspot.chicchiricco.persistence.AbstractBaseBean.java

/**
 * @return fields to be excluded when computing equals() or hashcode()
 *///from   w w w.  j  a  v  a 2  s . com
private String[] getExcludeFields() {
    Set<String> excludeFields = new HashSet<String>();

    PropertyDescriptor[] propertyDescriptors = BeanUtils.getPropertyDescriptors(getClass());
    for (int i = 0; i < propertyDescriptors.length; i++) {

        if (propertyDescriptors[i].getPropertyType().isInstance(Collections.EMPTY_SET)
                || propertyDescriptors[i].getPropertyType().isInstance(Collections.EMPTY_LIST)) {

            excludeFields.add(propertyDescriptors[i].getName());
        }
    }

    return excludeFields.toArray(new String[] {});
}

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From source file:org.jdal.dao.BeanFilter.java

/**
 * {@inheritDoc}//ww  w  .  j a v  a2 s .co m
 */
public Map<String, Object> getParameterMap() {
    PropertyDescriptor[] pds = BeanUtils.getPropertyDescriptors(getClass());

    Map<String, Object> map = new HashMap<String, Object>();

    for (PropertyDescriptor pd : pds) {
        if (!ignoredProperties.contains(pd.getName()))
            try {
                map.put(pd.getName(), pd.getReadMethod().invoke(this, (Object[]) null));
            } catch (Exception e) {
                log.error(e);
            }
    }
    return map;
}

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From source file:org.zkybase.cmdb.test.AbstractBeanTestCase.java

@Test
public void accessors() throws Exception {
    PropertyDescriptor[] props = BeanUtils.getPropertyDescriptors(beanClass);
    for (PropertyDescriptor prop : props) {
        String propName = prop.getName();
        if ("class".equals(propName)) {
            continue;
        }/*from  w  ww. java2 s.c om*/

        log.debug("Testing property accessors: {}.{}", beanClass, prop.getName());
        Method readMethod = prop.getReadMethod();
        Method writeMethod = prop.getWriteMethod();

        assertNull(readMethod.invoke(bean));
        Object dummyValue = getDummyValue(prop.getPropertyType());
        writeMethod.invoke(bean, dummyValue);
        assertSame(dummyValue, readMethod.invoke(bean));
    }
}

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From source file:com.expedia.seiso.domain.service.impl.ItemMerger.java

/**
 * Merges a source item into a destination item so we can write the destination item to the database.
 * /*  ww w  .  j  a v  a 2 s .c om*/
 * @param src
 *            Source item
 * @param dest
 *            Destination item
 * @param mergeAssociations
 *            Flag indicating whether to merge the associations.
 */
public void merge(Item src, Item dest, boolean mergeAssociations) {
    val itemClass = src.getClass();
    val propDescs = BeanUtils.getPropertyDescriptors(itemClass);
    for (val propDesc : propDescs) {
        val propName = propDesc.getName();
        if (isMergeable(propName)) {
            val propClass = propDesc.getPropertyType();
            if (BeanUtils.isSimpleProperty(propClass)) {
                mergeSimpleProperty(src, dest, propDesc);
            } else if (Item.class.isAssignableFrom(propClass)) {
                if (mergeAssociations) {
                    mergeSingleAssociation(src, dest, propClass, propName);
                }
            } else if (List.class.isAssignableFrom(propClass)) {
                // Skip lists. No warning need.
            } else {
                log.warn("Property '{}' has unrecognized class {}; skipping", propName,
                        propClass.getSimpleName());
            }
        }
    }
}

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