Java PropertyUtils.describe方法代碼示例

import org.apache.commons.beanutils.PropertyUtils; //導入方法依賴的package包/類
/**
 * 群發消息預覽
 * 
 * @param towxname
 * @param msg
 * @return
 * @throws IllegalAccessException
 * @throws InvocationTargetException
 * @throws NoSuchMethodException
 * @throws ClientProtocolException
 * @throws URISyntaxException
 * @throws IOException
 * @throws AccessTokenFailException
 */
public BaseResp apiMessageMassPreview(String towxname, MassMsg msg)
		throws IllegalAccessException, InvocationTargetException, NoSuchMethodException, ClientProtocolException,
		URISyntaxException, IOException, AccessTokenFailException {
	MpAccessToken token = mpApi.apiToken();
	String path = String.format("/message/mass/preview?access_token=%s", token.getAccessToken());

	Map<String, Object> reqMap = PropertyUtils.describe(msg);
	reqMap.put("towxname", towxname);
	String respText = HttpUtil.post(mpApi.config.getApiHttps(), path, reqMap);
	BaseResp resp = new Gson().fromJson(respText, BaseResp.class);
	if (mpApi.log.isInfoEnabled()) {
		mpApi.log.info(String.format("apiMessageMassDelete %s", new Gson().toJson(resp)));
	}
	return resp;
}
 

import org.apache.commons.beanutils.PropertyUtils; //導入方法依賴的package包/類
@Override
public String format(ApiModule apiModule) {
    VelocityTemplater templater = new VelocityTemplater("org/treeleafj/xdoc/spring/format/api.vm");

    for (ApiAction apiAction : apiModule.getApiActions()) {
        SpringApiAction saa = (SpringApiAction) apiAction;
        if (saa.isJson() && StringUtils.isNotBlank(saa.getRespbody())) {
            saa.setRespbody(JsonFormatUtils.formatJson(saa.getRespbody()));
        }
    }

    try {
        Map<String, Object> map = PropertyUtils.describe(apiModule);
        return templater.parse(map);
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}
 

import org.apache.commons.beanutils.PropertyUtils; //導入方法依賴的package包/類
/**
 * 將一個JavaBean對象的所有屬性封裝在Map中並返回，
 * 注意隻能將擁有Getter方法的屬性才能取出並封裝到Map中
 *
 * @param bean 需要轉換的Bean對象
 * @return 返回一個Map , 失敗返回null
 */
public static <T extends Object> Map<String, Object> toMap(T bean) {
    Map<String, Object> map = null;
    try {
        map = PropertyUtils.describe(bean);
        map.remove("class");
        StringBuilder methodName = new StringBuilder("get");
        for (String property : map.keySet()) {
            methodName.delete(3, methodName.length()).append(property.substring(0, 1).toUpperCase())
                    .append(property.substring(1));
            Object o = MethodUtils.invokeMethod(bean, methodName.toString(), null);
            map.put(property, o);
        }
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    return map;
}
 

import org.apache.commons.beanutils.PropertyUtils; //導入方法依賴的package包/類
@SuppressWarnings({ "rawtypes", "unchecked" })
private Object calculateBeanPropertyData(String[] columnNames, Map<String, Object> map) throws Exception {
	Object obj = map.get(columnNames[0]);
	if(obj==null){
		return null;
	}
	if (columnNames.length == 1) {
		return obj;
	} else if (columnNames.length == 2) {
		return BeanUtils.getBeanProperty(obj, columnNames[1]);
	} else {
		Map subMap = PropertyUtils.describe(obj);
		List<String> list = new ArrayList<String>();
		int i = 1;
		while (i < columnNames.length) {
			list.add(columnNames[i]);
			i++;
		}
		String[] array = list.toArray(new String[list.size()]);
		return calculateBeanPropertyData(array, subMap);
	}
}
 

import org.apache.commons.beanutils.PropertyUtils; //導入方法依賴的package包/類
/**
 * Dtoオブジェクトから値を取り出す. プロパティにDtoオブジェクトがある場合、KEY名を「プロパティ名.子のプロパティ名」とすること.
 * （何階層でも対応可能)
 * @param object
 *            Dtoオブジェクト.
 * @param key
 *            フィールドインスタンス名.
 * @return keyで指定されたフィールドの値.
 * @throws IllegalAccessException プロパティへの不正アクセス
 * @throws InvocationTargetException プロパティ取得メソッド起動失敗
 * @throws NoSuchMethodException プロパティに対応するメソッドが無い
 */
public static Object getValue(Object object, String key) throws IllegalAccessException,
    InvocationTargetException, NoSuchMethodException {

    Map<?, ?> map = PropertyUtils.describe(object);

    if (key.indexOf(".") > -1) {
        Object bean = map.get(key.substring(0, key.indexOf(".")));

        if (bean != null) {
            return getValue(bean, key.substring(key.indexOf(".") + 1));
        } else {
            return null;
        }
    } else {
        return map.get(key);
    }
}
 

import org.apache.commons.beanutils.PropertyUtils; //導入方法依賴的package包/類
@Override
public byte[] serialize(ServiceInstance<RpcPayload> instance)
		throws Exception {

	Map<String, Object> map = PropertyUtils.describe(instance);
	map.put("uriSpec", this.serializeUriSpec(instance.getUriSpec()));
	map.remove("class");
	String jsonStr = this.toJson(map);

	return jsonStr.getBytes();
}
 

import org.apache.commons.beanutils.PropertyUtils; //導入方法依賴的package包/類
/**
 * 將javaBean對象轉為Map
 *
 * @param bean
 * @return Map
 */
public static Map<String, Object> beanToMap(Object bean) {
    try {
        return PropertyUtils.describe(bean);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}
 

import org.apache.commons.beanutils.PropertyUtils; //導入方法依賴的package包/類
@SuppressWarnings("rawtypes")
protected static Map toParameterMap(Object parameter) {
    if (parameter instanceof Map) {
        return (Map) parameter;
    } else {
        try {
            return PropertyUtils.describe(parameter);
        } catch (Exception e) {
            ReflectionUtils.handleReflectionException(e);
            return null;
        }
    }
}