LocationAttachment.java

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package com.netease.nimlib.sdk.msg.attachment;

import com.netease.nimlib.util.JSONHelper;

import org.json.JSONObject;

/**
 * 地理位置附件
 */
public class LocationAttachment implements MsgAttachment {

    private double latitude;
    private double longitude;
    private String address;

    public LocationAttachment() {

    }

    public LocationAttachment(String attach) {
        fromJson(attach);
    }
    /**
     * 获取纬度
     * @return 纬度
     */
    public double getLatitude() {
        return latitude;
    }

    /**
     * 设置纬度
     * @param latitude 纬度
     */
    public void setLatitude(double latitude) {
        this.latitude = latitude;
    }

    /**
     * 获取经度
     * @return 经度
     */
    public double getLongitude() {
        return longitude;
    }

    /**
     * 设置经度
     * @param longitude 经度
     */
    public void setLongitude(double longitude) {
        this.longitude = longitude;
    }

    /**
     * 获取地理位置描述信息
     * @return 地理位置描述
     */
    public String getAddress() {
        return address;
    }

    /**
     * 设置地理位置描述信息
     * @param address
     */
    public void setAddress(String address) {
        this.address = address;
    }

    private static final String KEY_LATITUDE = "lat";
    private static final String KEY_LONGITUDE = "lng";
    private static final String KEY_DESC = "title";

    private void fromJson(String attach) {
        JSONObject json = JSONHelper.parse(attach);
        latitude = JSONHelper.getDouble(json, KEY_LATITUDE);
        longitude = JSONHelper.getDouble(json, KEY_LONGITUDE);
        address = JSONHelper.getString(json, KEY_DESC);
    }

    @Override
    public String toJson(boolean send) {
        JSONObject object = new JSONObject();
        try {
            object.put(KEY_LATITUDE, latitude);
            object.put(KEY_LONGITUDE, longitude);
            object.put(KEY_DESC, address);
        } catch (Exception e) {
            e.printStackTrace();
        }

        return object.toString();
    }
}