Barcode.java

package net.oschina.app.bean;

import java.io.Serializable;

import net.oschina.app.AppException;

import org.json.JSONException;
import org.json.JSONObject;

/**
 * 二维码扫描实体类
 * 
 * @author 火蚁 (http://my.oschina.net/LittleDY)
 * @version 1.0
 * @created 2014-3-17
 */
@SuppressWarnings("serial")
public class Barcode extends Entity implements Serializable {

    public final static String NODE_REQURE_LOGIN = "require_login";
    public final static String NODE_TYPE = "type";
    public final static String NODE_URL = "url";
    public final static String NODE_TITLE = "title";

    public final static byte LOGIN_IN = 0x00;// 登录
    public final static byte SIGN_IN = 0x01;// 签到

    private boolean requireLogin;// 是否需要登录
    private int type;// 类型
    private String url;// url地址
    private String title;// 标题

    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public boolean isRequireLogin() {
        return requireLogin;
    }

    public void setRequireLogin(boolean requireLogin) {
        this.requireLogin = requireLogin;
    }

    public int getType() {
        return type;
    }

    public void setType(int type) {
        this.type = type;
    }

    public String getUrl() {
        return url;
    }

    public void setUrl(String url) {
        this.url = url;
    }

    public static Barcode parse(String barCodeString) throws AppException {
        Barcode barCode = new Barcode();
        try {
            // 由字符串创建json对象
            JSONObject jsonObject = new JSONObject(barCodeString);
            // 取数据操作
            if (!jsonObject.isNull(NODE_REQURE_LOGIN)) {
                barCode.setRequireLogin(jsonObject.getBoolean(NODE_REQURE_LOGIN));
            } else {
                barCode.setUrl("www.oschina.net");
            }
            if (!jsonObject.isNull(NODE_TYPE)) {
                barCode.setType(jsonObject.getInt(NODE_TYPE));
            } else {
                barCode.setType(1);
            }
            if (!jsonObject.isNull(NODE_URL)) {
                barCode.setUrl(jsonObject.getString(NODE_URL));
            } else {
                barCode.setUrl("www.oschina.net");
            }
            if (!jsonObject.isNull(NODE_TITLE)) {
                barCode.setTitle(jsonObject.getString(NODE_TITLE));
            } else {
                barCode.setTitle("");
            }
        } catch (JSONException e) {
            // 抛出一个json解析错误的异常
            throw AppException.json(e);
        }
        return barCode;
    }

    @Override
    public String toString() {
        return "Barcode [requireLogin=" + requireLogin + ", type=" + type + ", url=" + url + "]";
    }
}