cn.ipokerface.weixin.xml.ListSuffixResultSerializer Maven / Gradle / Ivy

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package cn.ipokerface.weixin.xml;

import cn.ipokerface.weixin.Constant;
import cn.ipokerface.weixin.utils.StringUtil;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.alibaba.fastjson.TypeReference;
import com.alibaba.fastjson.annotation.JSONField;
import com.alibaba.fastjson.serializer.NameFilter;

import javax.xml.stream.XMLOutputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import java.io.IOException;
import java.io.StringWriter;
import java.lang.reflect.Field;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * Created by       PokerFace
 * Create Date      2019-12-28.
 * Email:           [email protected]
 * Version          1.0.0
 * 
 * Description:
 */
public class ListSuffixResultSerializer{




    /**
     * 序列化为json
     *
     * @param object
     * @return json
     */
    public static JSONObject serializeToJSON(Object object) {
        JSONObject result = (JSONObject) JSON.toJSON(object);
        Map listsuffixFields = ListSuffixResultDeserializer
                .getListsuffixFields(object.getClass());
        if (!listsuffixFields.isEmpty()) {
            JSONField jsonField = null;
            Object value = null;
            for (Field field : listsuffixFields.keySet()) {
                jsonField = field.getAnnotation(JSONField.class);
                if (jsonField != null
                        && StringUtil.isNotBlank(jsonField.name())) {
                    result.remove(jsonField.name());
                } else {
                    result.remove(field.getName());
                }
                try {
                    field.setAccessible(true);
                    value = field.get(object);
                } catch (Exception e) {
                    ;//
                }
                if (value != null && value instanceof List) {
                    result.putAll(listsuffixConvertMap((List) value));
                }
            }
        }
        return result;
    }

        /**
         * list对象转换为map的$n形式
         *
         * @param listsuffix
         * @return
         */
        public static Map listsuffixConvertMap(List listsuffix) {
            Map listMap = new HashMap();
            if (listsuffix != null && !listsuffix.isEmpty()) {
                for (int i = 0; i < listsuffix.size(); i++) {
                    listMap.putAll(JSON.parseObject(JSON.toJSONString(
                            listsuffix.get(i), new ListsuffixEndNameFilter(i)),
                            new TypeReference>() {
                            }));
                }
            }
            return listMap;
        }

private static class ListsuffixEndNameFilter implements NameFilter {
    private final int index;

    public ListsuffixEndNameFilter(int index) {
        this.index = index;
    }

    @Override
    public String process(Object object, String name, Object value) {
        return String.format("%s_%d", name, index);
    }
}

    /**
     * 序列化为xml
     *
     * @param object
     * @return xml
     */
    public static String serializeToXML(Object object) {
        JSONObject obj = serializeToJSON(object);
        StringWriter sw = new StringWriter();
        XMLStreamWriter xw = null;
        try {
            xw = XMLOutputFactory.newInstance().createXMLStreamWriter(sw);
            xw.writeStartDocument(Constant.UTF_8.name(), "1.0");
            xw.writeStartElement("xml");
            for (String key : obj.keySet()) {
                if (StringUtil.isBlank(obj.getString(key))) {
                    continue;
                }
                xw.writeStartElement(key);
                xw.writeCData(obj.getString(key));
                xw.writeEndElement();
            }
            xw.writeEndElement();
            xw.writeEndDocument();
        } catch (XMLStreamException e) {
            e.printStackTrace();
        } finally {
            if (xw != null) {
                try {
                    xw.close();
                } catch (XMLStreamException e) {
                    ;
                }
            }
            try {
                sw.close();
            } catch (IOException e) {
                ;
            }
        }
        return sw.getBuffer().toString();
    }
}