Java Code Examples for org.apache.commons.beanutils.PropertyUtils#setProperty()

public <T> T mapEntity(String source , SearchHit hit , Class<T> clazz) {
	T t = mapEntity(source , clazz) ;
	
	Map<String, HighlightField> highlightFields = hit.getHighlightFields();
	HighlightField highlightNameField = highlightFields.get("title");
	HighlightField contentHightlightField = highlightFields.get("content");
	try {
		if(highlightNameField!=null&&highlightNameField.fragments()!=null){
			PropertyUtils.setProperty(t, "title" , highlightNameField.fragments()[0].string());
		}
		if(contentHightlightField!=null){
			PropertyUtils.setProperty(t, "content" , contentHightlightField.fragments()[0].string());
		}
		PropertyUtils.setProperty(t, "id" , hit.getId());
	} catch (IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
		e.printStackTrace();
	} 
	return t;
}
 

public <T extends JpaObject, W extends GsonPropertyObject> List<T> fetchDescPaging(Class<T> clz,
		List<String> fetchAttributes, Predicate predicate, Integer page, Integer pageSize, String orderAttribute)
		throws Exception {
	List<T> list = new ArrayList<>();
	int max = (pageSize == null || pageSize < 1 || pageSize > MAX_PAGESIZE) ? DEFAULT_PAGESIZE : pageSize;
	int startPosition = (page == null || page < 1) ? 0 : (page - 1) * max;
	List<String> fields = ListTools.trim(fetchAttributes, true, true, JpaObject.id_FIELDNAME);
	EntityManager em = this.get(clz);
	CriteriaBuilder cb = em.getCriteriaBuilder();
	CriteriaQuery<Tuple> cq = cb.createQuery(Tuple.class);
	Root<T> root = cq.from(clz);
	List<Selection<?>> selections = new ArrayList<>();
	for (String str : fields) {
		selections.add(root.get(str));
	}
	cq.multiselect(selections).where(predicate).orderBy(cb.desc(root.get(orderAttribute)));
	T t = null;
	for (Tuple o : em.createQuery(cq).setFirstResult(startPosition).setMaxResults(max).getResultList()) {
		t = clz.newInstance();
		for (int i = 0; i < fields.size(); i++) {
			PropertyUtils.setProperty(t, fields.get(i), o.get(selections.get(i)));
		}
		list.add(t);
	}
	return list;
}
 

public void get(IValidatable bean) {
	try {
		String text = _textArea.getText();

		if (_button.isSelected() && !text.equals("")) {
			String[] items = text.split("\n");
			List<Object> list = new ArrayList<Object>();

			for (String s : items) {
				list.add(s);
			}

			PropertyUtils.setProperty(bean, _property, list);
		} else {
			PropertyUtils.setProperty(bean, _property, null);
		}
	} catch (Exception e) {
		throw new BindingException(e);
	}
}
 

@SuppressWarnings("unchecked")
public static <T> List<T> addWithProperty(Object obj, String propertyName, boolean ignoreNull, List<T> ts)
		throws Exception {
	List<T> list = new ArrayList<>();
	ListOrderedSet<T> set = new ListOrderedSet<T>();
	Object o = PropertyUtils.getProperty(obj, propertyName);
	if (null != o) {
		set.addAll((List<T>) o);
	}
	if (null != ts) {
		for (T t : ts) {
			if (null == t && ignoreNull) {
				continue;
			}
			if (!set.contains(t)) {
				set.add(t);
				list.add(t);
			}
		}
	}
	PropertyUtils.setProperty(obj, propertyName, set.asList());
	return list;
}
 

@SuppressWarnings("unchecked")
public static <T> List<T> addWithProperty(Object obj, String propertyName, boolean ignoreNull, T... ts)
		throws Exception {
	List<T> list = new ArrayList<>();
	ListOrderedSet<T> set = new ListOrderedSet<T>();
	Object o = PropertyUtils.getProperty(obj, propertyName);
	if (null != o) {
		set.addAll((List<T>) o);
	}
	for (T t : ts) {
		if (null == t && ignoreNull) {
			continue;
		}
		if (!set.contains(t)) {
			set.add(t);
			list.add(t);
		}
	}
	PropertyUtils.setProperty(obj, propertyName, set.asList());
	return list;
}
 

public void get(IValidatable bean) {
	try {
		String text = _textArea.getText();

		if (!text.equals("")) {
			String[] items = text.split("\n");
			List<Object> list = new ArrayList<Object>();

			for (int i = 0; i < items.length; i++) {
				list.add(items[i]);
			}

			PropertyUtils.setProperty(bean, _property, list);
		} else {
			PropertyUtils.setProperty(bean, _property, null);
		}
	} catch (Exception e) {
		throw new BindingException(e);
	}
}
 

public void createPersistableFields(Persistable persistable)
{
	Date now = new Date(); // time sensitive
	if (log.isDebugEnabled())
	{
		log.debug("modifyPersistableFields(Persistable " + persistable + ")");
	}
	if (persistable == null) throw new IllegalArgumentException("Illegal persistable argument passed!");

	try
	{
		String actor = getActor();

		PropertyUtils.setProperty(persistable, LASTMODIFIEDBY, actor);
		PropertyUtils.setProperty(persistable, LASTMODIFIEDDATE, now);
		PropertyUtils.setProperty(persistable, CREATEDBY, actor);
		PropertyUtils.setProperty(persistable, CREATEDDATE, now);
	}
	catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e)
	{
		log.error(e.getMessage());
		throw new RuntimeException(e);
	}
}
 

public void get(IValidatable bean) {
	try {
		String text = _textArea.getText();

		if (!text.equals("")) {
			String[] items = text.split("\n");
			List<Object> list = new ArrayList<Object>();

			for (int i = 0; i < items.length; i++) {
				list.add(items[i]);
			}

			PropertyUtils.setProperty(bean, _property, list);
		} else {
			PropertyUtils.setProperty(bean, _property, null);
		}
	} catch (Exception e) {
		throw new BindingException(e);
	}
}
 

@Override
public <T> T mapSearchHit(SearchHit searchHit, Class<T> clazz) {
    List<T> results = new ArrayList<>();
    for (HighlightField field : searchHit.getHighlightFields().values()) {
        T result = null;
        if (StringUtils.hasText(searchHit.getSourceAsString())) {
            result = JSONObject.parseObject(searchHit.getSourceAsString(), clazz);
        }
        try {
            PropertyUtils.setProperty(result, field.getName(), concat(field.fragments()));
        } catch (IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
            log.error("设置高亮字段异常：{}", e.getMessage(), e);
        }
        results.add(result);
    }
    return null;
}
 

public <T extends JpaObject> List<T> fetchEqual(Class<T> clz, List<String> attributes, String attribute,
		Object value) throws Exception {
	List<T> list = new ArrayList<>();
	List<String> fields = ListTools.trim(attributes, true, true, JpaObject.id_FIELDNAME);
	EntityManager em = this.get(clz);
	CriteriaBuilder cb = em.getCriteriaBuilder();
	CriteriaQuery<Tuple> cq = cb.createQuery(Tuple.class);
	Root<T> root = cq.from(clz);
	List<Selection<?>> selections = new ArrayList<>();
	for (String str : fields) {
		selections.add(root.get(str));
	}
	Predicate p = cb.equal(root.get(attribute), value);
	cq.multiselect(selections).where(p);
	for (Tuple o : em.createQuery(cq).getResultList()) {
		T t = clz.newInstance();
		for (int i = 0; i < fields.size(); i++) {
			PropertyUtils.setProperty(t, fields.get(i), o.get(selections.get(i)));
		}
		list.add(t);
	}
	return list;
}
 

private static void integerListValue(Data data, String path, JpaObject jpaObject, String property)
		throws Exception {
	List<Integer> os = new ArrayList<>();
	Object obj = data.find(path);
	if (null != obj) {
		if (ListTools.isList(obj)) {
			for (Object o : (List<?>) obj) {
				if (NumberUtils.isCreatable(o.toString())) {
					os.add(NumberUtils.createInteger(o.toString()));
				}
			}
		} else {
			if (NumberUtils.isCreatable(obj.toString())) {
				os.add(NumberUtils.createInteger(obj.toString()));
			}
		}
	}
	PropertyUtils.setProperty(jpaObject, property, os);
}
 

private static void timeValue(Data data, String path, JpaObject jpaObject, String property) throws Exception {
	Object obj = data.find(path);
	if ((null != obj) && DateTools.isDateTimeOrTime(obj.toString())) {
		PropertyUtils.setProperty(jpaObject, property, DateTools.parse(obj.toString()));
	} else {
		PropertyUtils.setProperty(jpaObject, property, null);
	}
}
 

/**
 * 设置成员变量
 */
public static void setField(Object obj, String fieldName, Object fieldValue) {
    try {
        if (PropertyUtils.isWriteable(obj, fieldName)) {
            PropertyUtils.setProperty(obj, fieldName, fieldValue);
        }
    } catch (Exception e) {
        logger.error("设置成员变量出错！", e);
        throw new RuntimeException(e);
    }
}
 

private static void integerValue(Data data, String path, JpaObject jpaObject, String property) throws Exception {
	Object obj = data.find(path);
	if (null == obj) {
		PropertyUtils.setProperty(jpaObject, property, null);
	} else {
		if (Number.class.isAssignableFrom(obj.getClass())) {
			PropertyUtils.setProperty(jpaObject, property, ((Number) obj).intValue());
		} else {
			String str = Objects.toString(obj);
			if (NumberUtils.isCreatable(str)) {
				PropertyUtils.setProperty(jpaObject, property, NumberUtils.createInteger(str));
			}
		}
	}
}
 

private static void stringMapValue(Data data, String path, JpaObject jpaObject, String property) throws Exception {
	Object obj = data.find(path);
	Map<String, String> map = new TreeMap<String, String>();
	if ((null != obj) && (Map.class.isAssignableFrom(obj.getClass()))) {
		for (Entry<?, ?> en : ((Map<?, ?>) obj).entrySet()) {
			map.put(Objects.toString(en.getKey(), ""), Objects.toString(en.getValue(), ""));
		}
	}
	PropertyUtils.setProperty(jpaObject, property, map);
}
 

private static void stringListValue(Data data, String path, JpaObject jpaObject, String property) throws Exception {
	List<String> os = new ArrayList<>();
	Object obj = data.find(path);
	if (null != obj) {
		if (ListTools.isList(obj)) {
			for (Object o : (List<?>) obj) {
				os.add(o.toString());
			}
		} else {
			os.add(obj.toString());
		}
	}
	PropertyUtils.setProperty(jpaObject, property, os);
}
 

public void get(IValidatable bean) {
	try {
		DefaultListModel model = (DefaultListModel) _list.getModel();
		final int size = model.getSize();
		List<Object> list = new ArrayList<Object>(size);

		for (int i = 0; i < size; i++) {
			list.add(model.get(i));
		}

		PropertyUtils.setProperty(bean, _property, list);
	} catch (Exception e) {
		throw new BindingException(e);
	}
}
 

private static void doubleValue(Data data, String path, JpaObject jpaObject, String property) throws Exception {
	Object obj = data.find(path);
	if (null == obj) {
		PropertyUtils.setProperty(jpaObject, property, null);
	} else {
		if (Number.class.isAssignableFrom(obj.getClass())) {
			PropertyUtils.setProperty(jpaObject, property, ((Number) obj).doubleValue());
		} else {
			String str = Objects.toString(obj);
			if (NumberUtils.isCreatable(str)) {
				PropertyUtils.setProperty(jpaObject, property, NumberUtils.createDouble(str));
			}
		}
	}
}
 

/**
 * Called when a line has completed parsing. Throws an exception if a proper parent
 * is not found for the line being parsed
 */
@Override
   @SuppressWarnings("unchecked")
public void completeLineParse() {
	completedLineCount += 1;
	if (LOG.isDebugEnabled()) {
		LOG.debug("Completing parse of line: "+completedLineCount);
	}

	Object currentObject = parseStack.pop();
	final FlatFileChildMapEntry entry = getEntryForParsedIntoObject(currentObject);

	final Class<?> parentClass = (entry == null) ? null : entry.getParentBeanClass();
	final String propertyName = (entry == null) ? null : entry.getPropertyName();

	while (!parseStack.isEmpty()) {
		Object checkingObject = parseStack.pop();
		if (parentClass != null && parentClass.isAssignableFrom(checkingObject.getClass())) {
			try {
				if (Collection.class.isAssignableFrom(PropertyUtils.getPropertyType(
						checkingObject, propertyName))) {
					Collection childrenList = ((Collection) PropertyUtils.getProperty(
							checkingObject, propertyName));
					childrenList.add(currentObject);
				} else {
					PropertyUtils.setProperty(checkingObject, propertyName,currentObject);
				}
				parseStack.push(checkingObject);
				parseStack.push(currentObject);
				return;
			} catch (Exception e) {
				LOG.error(e.getMessage() + "occured when completing line parse; attempting to set object of type "+currentObject.getClass().getName()+" to the following parent: "+parentClass.getName()+"#"+propertyName, e);
				throw new RuntimeException(e.getMessage() + "occured when completing line parse; attempting to set object of type "+currentObject.getClass().getName()+" to the following parent: "+parentClass.getName()+"#"+propertyName,e);
			}
		}
	}
	if (parentClass == null) {
		parseStack.push(currentObject);
		parsedParentObjects.add(currentObject);
	} else {
		throw new IllegalStateException("A line of class "+currentObject.getClass().getName()+" cannot exist without a proper parent");
	}
}
 

/**
 * 使用 {@link PropertyUtils#setProperty(Object, String, Object)} 来设置指定bean对象中的指定属性的值.
 * 
 * <h3>说明:</h3>
 * <blockquote>
 * <ol>
 * <li>不会进行类型转换</li>
 * </ol>
 * </blockquote>
 * 
 * <h3>示例:</h3>
 * 
 * <blockquote>
 * 
 * <pre class="code">
 * User newUser = new User();
 * PropertyUtil.setProperty(newUser, "name", "feilong");
 * LOGGER.info(JsonUtil.format(newUser));
 * </pre>
 * 
 * <b>返回:</b>
 * 
 * <pre class="code">
 * {
 * "age": 0,
 * "name": "feilong"
 * }
 * </pre>
 * 
 * </blockquote>
 * 
 * <h3>注意点:</h3>
 * 
 * <blockquote>
 * 
 * <ol>
 * <li>如果 <code>bean</code> 是null,抛出 {@link NullPointerException}</li>
 * <li>如果 <code>propertyName</code> 是null,抛出 {@link NullPointerException}</li>
 * <li>如果 <code>propertyName</code> 是blank,抛出 {@link IllegalArgumentException}</li>
 * <li>如果<code>bean</code>没有传入的 <code>propertyName</code>属性名字,会抛出异常,see
 * {@link PropertyUtilsBean#setSimpleProperty(Object, String, Object) setSimpleProperty} Line2078,转成 {@link BeanOperationException}</li>
 * <li>对于Date类型,<span style="color:red">不需要先注册converter</span></li>
 * </ol>
 * </blockquote>
 *
 * @param bean
 *            Bean whose property is to be modified
 * @param propertyName
 *            属性名称 (can be nested/indexed/mapped/combo),参见 <a href="../BeanUtil.html#propertyName">propertyName</a>
 * @param value
 *            Value to which this property is to be set
 * @see org.apache.commons.beanutils.BeanUtils#setProperty(Object, String, Object)
 * @see org.apache.commons.beanutils.PropertyUtils#setProperty(Object, String, Object)
 * @see BeanUtil#setProperty(Object, String, Object)
 */
public static void setProperty(Object bean,String propertyName,Object value){
    Validate.notNull(bean, MESSAGE_BEAN_IS_NULL);
    Validate.notBlank(propertyName, MESSAGE_PROPERTYNAME_IS_BLANK);

    //---------------------------------------------------------------
    try{
        PropertyUtils.setProperty(bean, propertyName, value);
    }catch (Exception e){
        String pattern = "setProperty exception,bean:[{}],propertyName:[{}],value:[{}]";
        throw new BeanOperationException(Slf4jUtil.format(pattern, bean, propertyName, value), e);
    }
}