package net.anumbrella.lkshop.utils;
import android.content.Context;
import android.os.Environment;
import android.util.DisplayMetrics;
import android.view.Display;
import android.view.WindowManager;
import android.widget.Toast;
import com.google.gson.Gson;
import net.anumbrella.lkshop.app.App;
import net.anumbrella.lkshop.config.Config;
import net.anumbrella.lkshop.model.bean.LocalUserDataModel;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.List;
/**
* author：Anumbrella
* Date：16/5/25 下午7:28
*/
public class BaseUtils {
/**
* 判断链表第某个位置是否为空
*
* @param list
* @param index
* @return true:为Null或者size为0
*/
public static boolean isEmpty(List<?> list, int index) {
return list == null || list.size() == 0 || list.size() <= index;
}
public static String transform(String type, String value) {
if (type.equals(Config.productColorArrays[0][1])) {
for (int i = 1; i < Config.productColorArrays.length; i++) {
if (value.equals(Config.productColorArrays[i][0])) {
return Config.productColorArrays[i][1];
}
}
} else if (type.equals(Config.productCarrieroperatorArrays[0][1])) {
for (int i = 1; i < Config.productCarrieroperatorArrays.length; i++) {
if (value.equals(Config.productCarrieroperatorArrays[i][0])) {
return Config.productCarrieroperatorArrays[i][1];
}
}
} else if (type.equals(Config.productStorageArrays[0][1])) {
for (int i = 1; i < Config.productStorageArrays.length; i++) {
if (value.equals(Config.productStorageArrays[i][0])) {
return Config.productStorageArrays[i][1];
}
}
} else if (type.equals(Config.productTypeArrays[0][1])) {
for (int i = 1; i < Config.productTypeArrays.length; i++) {
if (value.equals(Config.productTypeArrays[i][0])) {
return Config.productTypeArrays[i][1];
}
}
}
return null;
}
public static String transformState(int isPayState, int isDeliverState, int isAccessState) {
if (isPayState == 0 && isDeliverState == 0 && isAccessState == 0) {
return "待付款";
} else if (isPayState == 1 && isDeliverState == 0 && isAccessState == 0) {
return "待发货";
} else if (isPayState == 1 && isDeliverState == 1 && isAccessState == 0) {
return "待评价";
} else if (isPayState == 1 && isDeliverState == 1 && isAccessState == 1) {
return "订单交易成功";
} else if (isPayState == 404 && isDeliverState == 404 && isAccessState == 404) {
return "404";
}
return "待付款";
}
public static int dp2px(Context context, float dipValue) {
final float scale = context.getResources().getDisplayMetrics().density;
return (int) (dipValue * scale + 0.5f);
}
public static int getScreenWidth(Context context) {
DisplayMetrics dm = new DisplayMetrics();
WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
Display display = wm.getDefaultDisplay();
display.getMetrics(dm);
return dm.widthPixels;
}
public static int getScreenHeight(Context context) {
DisplayMetrics dm = new DisplayMetrics();
WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
Display display = wm.getDefaultDisplay();
display.getMetrics(dm);
return dm.heightPixels;
}
/**
* 加密
*
* @param str
* @return
*/
public static String encrypt(String str) {
String valueBinary = Integer.toBinaryString(Integer.parseInt(str));
int doubleValue = Integer.parseInt(valueBinary) * 2;
return String.valueOf(doubleValue);
}
/**
* 去掉空格并把字符串变为小写
*
* @param str
* @return
*/
public static String tranLowCase(String str) {
String string = str.replaceAll(" ", "");
return string.toLowerCase();
}
/**
* 是否存在sdcard
*
* @return
*/
public static boolean hasSdcard() {
if (Environment.getExternalStorageState().equals(
Environment.MEDIA_MOUNTED)) {
return true;
} else {
return false;
}
}
/**
* 把对象转换为json
*
* @param dataModel
* @return
*/
public static JSONObject convertJson(LocalUserDataModel dataModel) {
Gson gson = new Gson();
String result = gson.toJson(dataModel);
JSONObject json = null;
try {
json = new JSONObject(result);
} catch (JSONException e) {
e.printStackTrace();
}
return json;
}
/**
* 把用户数据保存起来
*
* @param context
* @param data
*/
public static void saveLocalUser(Context context, LocalUserDataModel data) {
Writer writer = null;
try {
OutputStream out = context.openFileOutput(App.FILENAME, Context.MODE_PRIVATE);
writer = new OutputStreamWriter(out);
writer.write(convertJson(data).toString());
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
if (writer != null) {
try {
writer.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
/**
* 读取用户数据
*
* @param context
* @return
*/
public static LocalUserDataModel readLocalUser(Context context) {
BufferedReader reader = null;
try {
InputStream in = context.openFileInput(App.FILENAME);
reader = new BufferedReader(new InputStreamReader(in));
StringBuilder jsonString = new StringBuilder();
String line = null;
while ((line = reader.readLine()) != null) {
jsonString.append(line);
}
Gson gson = new Gson();
LocalUserDataModel result = gson.fromJson(jsonString.toString(), LocalUserDataModel.class);
return result;
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
public static boolean checkLogin(Context context) {
int uid = readLocalUser(context).getUid();
boolean isLogin = readLocalUser(context).isLogin();
if (uid > 0 && isLogin) {
return true;
} else {
Toast.makeText(context, "请先登录", Toast.LENGTH_SHORT).show();
}
return false;
}
/**
* md5加密
*
* @param content
* @return
*/
public static String Md5(String content) {
try {
MessageDigest md = MessageDigest.getInstance("MD5");
md.update(content.getBytes());
byte b[] = md.digest();
int i;
StringBuffer buf = new StringBuffer("");
for (int offset = 0; offset < b.length; offset++) {
i = b[offset];
if (i < 0)
i += 256;
if (i < 16)
buf.append("0");
buf.append(Integer.toHexString(i));
}
//32位加密
return buf.toString();
// 16位的加密
//return buf.toString().substring(8, 24);
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
return null;
}
}
public static boolean isEmpty(String str) {
if (str == null || str.length() == 0 || str.equalsIgnoreCase("null") || str.isEmpty() || str.equals("")) {
return true;
} else {
return false;
}
}
}