記錄一下關於融雲推送訊息
阿新 • • 發佈:2019-02-13
工具類1: package jetf; import java.util.HashMap; import java.util.Map; public class RongCloudMethodUtil { /** * 獲取token * * @param userId * @param name * @param portraitUri */ public static String getToken(String userId, String name, String portraitUri) { String getToken = "https://api.cn.rong.io/user/getToken.json"; Map<String, String> params = new HashMap<String, String>(); params.put("userId", userId); params.put("name", name); params.put("portraitUri", portraitUri); byte[] resultArray; String token = null; try { resultArray = RongCloudUtils.post(getToken, params, "UTF-8", 20000); String result = new String(resultArray); // JSONObject obj = JSONObject.fromObject(result); // token = obj.get("token").toString(); } catch (Exception e) { e.printStackTrace(); System.out.println("沒獲取到token"); } return token; } /** * 推送系統資訊 * * @param content * 訊息內容 * @param fromUserId * 1 * @param toUserId * userId * @param objectName * RC:TxtMsg * @param pushContent * 訊息標題 * @param pushData * 空-安卓 非空:蘋果 */ public static void pushSystemMessage(String content, String fromUserId, String toUserId, String objectName, String pushContent, String pushData) { String systemMessage = "https://api.cn.rong.io/message/system/publish.json"; Map<String, String> params = new HashMap<String, String>(); // String content="{\"content\":\"2\"}"; params.put("content", content); params.put("fromUserId", fromUserId); params.put("toUserId", toUserId); params.put("objectName", objectName); params.put("pushContent", pushContent); params.put("pushData", pushData); byte[] resultArray; try { resultArray = RongCloudUtils.post(systemMessage, params, "UTF-8", 20000); String result = new String(resultArray); System.out.println(result); } catch (Exception e) { System.out.println("傳送資訊出錯了"); } } /** * 重新整理個人資訊 * * @param userId * @param name * @param portraitUri */ public static void refreshUserInformation(String userId, String name, String portraitUri) { String refresh = "https://api.cn.rong.io/user/refresh.json"; Map<String, String> params = new HashMap<String, String>(); params.put("userId", userId); params.put("name", name); params.put("portraitUri", portraitUri); byte[] resultArray; try { resultArray = RongCloudUtils.post(refresh, params, "UTF-8", 20000); String result = new String(resultArray); System.out.println(result); } catch (Exception e) { System.out.println("哎呀,重新整理沒成功"); } } /** * 檢查某人是否線上 * * @param userId */ public static void checkOnline(String userId) { String checkOnline = "https://api.cn.rong.io/user/checkOnline.json"; Map<String, String> params = new HashMap<String, String>(); params.put("userId", userId); byte[] resultArray; try { resultArray = RongCloudUtils.post(checkOnline, params, "UTF-8", 20000); String result = new String(resultArray); System.out.println(result); } catch (Exception e) { System.out.println("系統維護"); } } /** * 禁言 */ public static void block(String userId, String minute) { String block = "https://api.cn.rong.io/user/block.json"; Map<String, String> params = new HashMap<String, String>(); params.put("userId", userId); params.put("minute", minute);// 禁言時間,單位為分鐘 byte[] resultArray; try { resultArray = RongCloudUtils.post(block, params, "UTF-8", 20000); String result = new String(resultArray); System.out.println(result); } catch (Exception e) { System.out.println("禁言沒成功"); } } /** * 解禁使用者 * * @param userId */ public static void unblock(String userId) { String unblock = "https://api.cn.rong.io/user/unblock.json"; Map<String, String> params = new HashMap<String, String>(); params.put("userId", userId); byte[] resultArray; try { resultArray = RongCloudUtils.post(unblock, params, "UTF-8", 20000); String result = new String(resultArray); System.out.println(result); } catch (Exception e) { System.out.println("解禁沒成功"); } } /** * 查詢被禁人員 */ public static void queryBlack() { String query = "https://api.cn.rong.io/user/block/query.json"; byte[] resultArray; try { resultArray = RongCloudUtils.post(query, null, "UTF-8", 20000); String result = new String(resultArray); System.out.println(result); } catch (Exception e) { System.out.println("查詢沒成功"); } } /** * 新增黑名單 */ public static void addBlack(String userId, String blackUserId) { String add = "https://api.cn.rong.io/user/blacklist/add.json"; Map<String, String> params = new HashMap<String, String>(); params.put("userId", userId); params.put("blackUserId", blackUserId); byte[] resultArray; try { resultArray = RongCloudUtils.post(add, params, "UTF-8", 20000); String result = new String(resultArray); System.out.println(result); } catch (Exception e) { System.out.println("新增沒成功"); } } /** * 刪除黑名單 * * @param userId * @param blackUserId */ public static void removeBlack(String userId, String blackUserId) { String remove = "https://api.cn.rong.io/user/blacklist/remove.json"; Map<String, String> params = new HashMap<String, String>(); params.put("userId", userId); params.put("blackUserId", blackUserId); byte[] resultArray; try { resultArray = RongCloudUtils.post(remove, params, "UTF-8", 20000); String result = new String(resultArray); System.out.println(result); } catch (Exception e) { System.out.println("刪除沒成功"); } } /** * 查詢所有加黑使用者 */ public static void blacklist(String userId, String blackUserId) { String blacklist = "https://api.cn.rong.io/user/blacklist/query.json"; Map<String, String> params = new HashMap<String, String>(); params.put("userId", userId); params.put("blackUserId", blackUserId); byte[] resultArray; try { resultArray = RongCloudUtils.post(blacklist, params, "UTF-8", 20000); String result = new String(resultArray); System.out.println(result); } catch (Exception e) { System.out.println("查詢加黑名單異常"); } } /** * 單聊 */ public static void oneToOneMessege(String content, String fromUserId, String toUserId, String objectName, String pushContent, String pushData) { String oneToOne = "https://api.cn.rong.io/message/private/publish.json"; Map<String, String> params = new HashMap<String, String>(); // String content="{\"content\":\"2\"}"; params.put("content", content); params.put("fromUserId", fromUserId); params.put("toUserId", toUserId); params.put("objectName", objectName); params.put("pushContent", pushContent); params.put("pushData", pushData); byte[] resultArray; try { resultArray = RongCloudUtils.post(oneToOne, params, "UTF-8", 20000); String result = new String(resultArray); System.out.println(result); } catch (Exception e) { System.out.println("單聊資訊傳送異常"); } } /** * 傳送群資訊 * * @param content * @param fromUserId * @param toGroupId * @param objectName * @param pushContent * @param pushData */ public static void groupMessege(String content, String fromUserId, String toGroupId, String objectName, String pushContent, String pushData) { String groupMessege = "https://api.cn.rong.io/message/group/publish.json"; Map<String, String> params = new HashMap<String, String>(); // String content="{\"content\":\"2\"}"; params.put("content", content); params.put("fromUserId", fromUserId); params.put("toGroupId", toGroupId); params.put("objectName", objectName); params.put("pushContent", pushContent); params.put("pushData", pushData); byte[] resultArray; try { resultArray = RongCloudUtils.post(groupMessege, params, "UTF-8", 20000); String result = new String(resultArray); System.out.println(result); } catch (Exception e) { System.out.println("群組資訊傳送異常"); } } /** * 傳送聊天室訊息 * * @param content * @param fromUserId * @param toGroupId * @param objectName * @param pushContent * @param pushData */ public static void chatroom(String content, String fromUserId, String toGroupId, String objectName, String pushContent, String pushData) { String chatroom = "https://api.cn.rong.io/message/chatroom/publish.json"; Map<String, String> params = new HashMap<String, String>(); // String content="{\"content\":\"2\"}"; params.put("content", content); params.put("fromUserId", fromUserId); params.put("toGroupId", toGroupId); params.put("objectName", objectName); params.put("pushContent", pushContent); params.put("pushData", pushData); byte[] resultArray; try { resultArray = RongCloudUtils.post(chatroom, params, "UTF-8", 20000); String result = new String(resultArray); System.out.println(result); } catch (Exception e) { System.out.println("聊天資訊傳送異常"); } } /** * 傳送廣播訊息 */ public static void broadcast(String content, String fromUserId, String objectName, String pushContent, String pushData) { String broadcast = "https://api.cn.rong.io/message/broadcast.json"; Map<String, String> params = new HashMap<String, String>(); // String content="{\"content\":\"2\"}"; params.put("content", content); params.put("fromUserId", fromUserId); params.put("objectName", objectName); params.put("pushContent", pushContent); params.put("pushData", pushData); byte[] resultArray; try { resultArray = RongCloudUtils.post(broadcast, params, "UTF-8", 20000); String result = new String(resultArray); System.out.println(result); } catch (Exception e) { System.out.println("廣播發送異常"); } } /** * 查某個時段會話歷史 */ public static void history(String date) { String history = "https://api.cn.rong.io/message/history.json"; Map<String, String> params = new HashMap<String, String>(); params.put("date", date); byte[] resultArray; try { resultArray = RongCloudUtils.post(history, params, "UTF-8", 20000); String result = new String(resultArray); System.out.println(result); } catch (Exception e) { System.out.println("查詢歷史記錄異常"); } } /** * 刪除資訊記錄 */ public static void deleteHistory(String date) { String deleteHistory = "https://api.cn.rong.io/message/history/delete.json"; Map<String, String> params = new HashMap<String, String>(); params.put("date", date); byte[] resultArray; try { resultArray = RongCloudUtils.post(deleteHistory, params, "UTF-8", 20000); String result = new String(resultArray); System.out.println(result); } catch (Exception e) { System.out.println("刪除群組異常"); } } /** * 同步群組資訊 * * @param group * @param userId */ public static void groupSync(String[] group, String userId) { String groupSync = "https://api.cn.rong.io/group/sync.json"; Map<String, String> params = new HashMap<String, String>(); params.put("userId", "1"); for (int i = 0; i < group.length; i++) { params.put("group[" + i + "]", group[i]); } byte[] resultArray; try { resultArray = RongCloudUtils.post(groupSync, params, "UTF-8", 20000); String result = new String(resultArray); System.out.println(result); } catch (Exception e) { System.out.println("同步群組資訊異常"); } } /** * 建立群組 */ public static void createGroup(String userId, String groupId, String groupName) { String createGroup = "https://api.cn.rong.io/group/create.json"; Map<String, String> params = new HashMap<String, String>(); params.put("userId", userId); params.put("groupId", groupId); params.put("groupName", groupName); byte[] resultArray; try { resultArray = RongCloudUtils.post(createGroup, params, "UTF-8", 20000); String result = new String(resultArray); System.out.println(result); } catch (Exception e) { System.out.println("建立群組異常"); } } /** * 加入群組 */ public static void joinGroup(String userId, String groupId, String groupName) { String joinGroup = "https://api.cn.rong.io/group/join.json"; Map<String, String> params = new HashMap<String, String>(); params.put("userId", userId); params.put("groupId", groupId); params.put("groupName", groupName); byte[] resultArray; try { resultArray = RongCloudUtils.post(joinGroup, params, "UTF-8", 20000); String result = new String(resultArray); System.out.println(result); } catch (Exception e) { System.out.println("加入群組異常"); } } /** * 退出群組 */ public static void quitGroup(String userId, String groupId) { String quitGroup = "https://api.cn.rong.io/group/quit.json"; Map<String, String> params = new HashMap<String, String>(); params.put("userId", userId); params.put("groupId", groupId); byte[] resultArray; try { resultArray = RongCloudUtils.post(quitGroup, params, "UTF-8", 20000); String result = new String(resultArray); System.out.println(result); } catch (Exception e) { System.out.println("退出群組異常"); } } /** * 解散群組 */ public static void dismissGroup(String userId, String groupId) { String dismissGroup = "https://api.cn.rong.io/group/dismiss.json"; Map<String, String> params = new HashMap<String, String>(); params.put("userId", userId); params.put("groupId", groupId); byte[] resultArray; try { resultArray = RongCloudUtils.post(dismissGroup, params, "UTF-8", 20000); String result = new String(resultArray); System.out.println(result); } catch (Exception e) { System.out.println("解散群組異常"); } } /** * 重新整理群組 */ public static void refreshGroup(String userId, String groupId, String groupName) { String refreshGroup = "https://api.cn.rong.io/group/refresh.json"; Map<String, String> params = new HashMap<String, String>(); params.put("userId", userId); params.put("groupId", groupId); params.put("groupName", groupName); byte[] resultArray; try { resultArray = RongCloudUtils.post(refreshGroup, params, "UTF-8", 20000); String result = new String(resultArray); System.out.println(result); } catch (Exception e) { System.out.println("重新整理群組異常"); } } /** * 建立聊天室 * * @param chartroom */ public static void createChatroom(String[] chartroom) { String refreshGroup = "https://api.cn.rong.io/chatroom/create.json"; Map<String, String> params = new HashMap<String, String>(); for (int i = 0; i < chartroom.length; i++) { params.put("chartroom[" + i + "]", "testChartRoom" + i); } byte[] resultArray; try { resultArray = RongCloudUtils.post(refreshGroup, params, "UTF-8", 20000); String result = new String(resultArray); System.out.println(result); } catch (Exception e) { System.out.println("建立聊天室異常"); } } /** * 登出聊天室 */ public static void destroyChatroom(String chatroomId) { String destroyChatroom = "https://api.cn.rong.io/chatroom/destroy.json"; Map<String, String> params = new HashMap<String, String>(); params.put("chatroomId", chatroomId); byte[] resultArray; try { resultArray = RongCloudUtils.post(destroyChatroom, params, "UTF-8", 20000); String result = new String(resultArray); System.out.println(result); } catch (Exception e) { System.out.println("登出異常"); } } /** * 查詢某個聊天室 * * @param chatroomId */ public static void queryChatroom(String chatroomId) { String queryChatroom = "https://api.cn.rong.io/chatroom/query.json"; Map<String, String> params = new HashMap<String, String>(); params.put("chatroomId", chatroomId); byte[] resultArray; try { resultArray = RongCloudUtils.post(queryChatroom, params, "UTF-8", 20000); String result = new String(resultArray); System.out.println(result); } catch (Exception e) { System.out.println("查詢聊天室異常"); } } } 工具類2: package jetf; import java.io.ByteArrayOutputStream; import java.io.DataOutputStream; import java.io.InputStream; import java.net.HttpURLConnection; import java.net.URL; import java.net.URLEncoder; import java.sql.Timestamp; import java.util.Map; public class RongCloudUtils { private final static String appkey = "";// 申請的融雲key private final static String appSecret = "";// 申請的的雲secret private final static int[] abcde = { 0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0 };// sha1加密產引數 // 摘要資料儲存陣列 private static int[] digestInt = new int[5]; // 計算過程中的臨時資料儲存陣列 private static int[] tmpData = new int[80]; // 計算sha-1摘要 private static int process_input_bytes(byte[] bytedata) { // 初試化常量 System.arraycopy(abcde, 0, digestInt, 0, abcde.length); // 格式化輸入位元組陣列,補10及長度資料 byte[] newbyte = byteArrayFormatData(bytedata); // 獲取資料摘要計算的資料單元個數 int MCount = newbyte.length / 64; // 迴圈對每個資料單元進行摘要計算 for (int pos = 0; pos < MCount; pos++) { // 將每個單元的資料轉換成16個整型資料,並儲存到tmpData的前16個數組元素中 for (int j = 0; j < 16; j++) { tmpData[j] = byteArrayToInt(newbyte, (pos * 64) + (j * 4)); } // 摘要計算函式 encrypt(); } return 20; } // 格式化輸入位元組陣列格式 private static byte[] byteArrayFormatData(byte[] bytedata) { // 補0數量 int zeros = 0; // 補位後總位數 int size = 0; // 原始資料長度 int n = bytedata.length; // 模64後的剩餘位數 int m = n % 64; // 計算新增0的個數以及新增10後的總長度 if (m < 56) { zeros = 55 - m; size = n - m + 64; } else if (m == 56) { zeros = 63; size = n + 8 + 64; } else { zeros = 63 - m + 56; size = (n + 64) - m + 64; } // 補位後生成的新陣列內容 byte[] newbyte = new byte[size]; // 複製陣列的前面部分 System.arraycopy(bytedata, 0, newbyte, 0, n); // 獲得陣列Append資料元素的位置 int l = n; // 補1操作 newbyte[l++] = (byte) 0x80; // 補0操作 for (int i = 0; i < zeros; i++) { newbyte[l++] = (byte) 0x00; } // 計算資料長度,補資料長度位共8位元組,長整型 long N = (long) n * 8; byte h8 = (byte) (N & 0xFF); byte h7 = (byte) ((N >> 8) & 0xFF); byte h6 = (byte) ((N >> 16) & 0xFF); byte h5 = (byte) ((N >> 24) & 0xFF); byte h4 = (byte) ((N >> 32) & 0xFF); byte h3 = (byte) ((N >> 40) & 0xFF); byte h2 = (byte) ((N >> 48) & 0xFF); byte h1 = (byte) (N >> 56); newbyte[l++] = h1; newbyte[l++] = h2; newbyte[l++] = h3; newbyte[l++] = h4; newbyte[l++] = h5; newbyte[l++] = h6; newbyte[l++] = h7; newbyte[l++] = h8; return newbyte; } private static int f1(int x, int y, int z) { return (x & y) | (~x & z); } private static int f2(int x, int y, int z) { return x ^ y ^ z; } private static int f3(int x, int y, int z) { return (x & y) | (x & z) | (y & z); } private static int f4(int x, int y) { return (x << y) | x >>> (32 - y); } // 單元摘要計算函式 private static void encrypt() { for (int i = 16; i <= 79; i++) { tmpData[i] = f4(tmpData[i - 3] ^ tmpData[i - 8] ^ tmpData[i - 14] ^ tmpData[i - 16], 1); } int[] tmpabcde = new int[5]; for (int i1 = 0; i1 < tmpabcde.length; i1++) { tmpabcde[i1] = digestInt[i1]; } for (int j = 0; j <= 19; j++) { int tmp = f4(tmpabcde[0], 5) + f1(tmpabcde[1], tmpabcde[2], tmpabcde[3]) + tmpabcde[4] + tmpData[j] + 0x5a827999; tmpabcde[4] = tmpabcde[3]; tmpabcde[3] = tmpabcde[2]; tmpabcde[2] = f4(tmpabcde[1], 30); tmpabcde[1] = tmpabcde[0]; tmpabcde[0] = tmp; } for (int k = 20; k <= 39; k++) { int tmp = f4(tmpabcde[0], 5) + f2(tmpabcde[1], tmpabcde[2], tmpabcde[3]) + tmpabcde[4] + tmpData[k] + 0x6ed9eba1; tmpabcde[4] = tmpabcde[3]; tmpabcde[3] = tmpabcde[2]; tmpabcde[2] = f4(tmpabcde[1], 30); tmpabcde[1] = tmpabcde[0]; tmpabcde[0] = tmp; } for (int l = 40; l <= 59; l++) { int tmp = f4(tmpabcde[0], 5) + f3(tmpabcde[1], tmpabcde[2], tmpabcde[3]) + tmpabcde[4] + tmpData[l] + 0x8f1bbcdc; tmpabcde[4] = tmpabcde[3]; tmpabcde[3] = tmpabcde[2]; tmpabcde[2] = f4(tmpabcde[1], 30); tmpabcde[1] = tmpabcde[0]; tmpabcde[0] = tmp; } for (int m = 60; m <= 79; m++) { int tmp = f4(tmpabcde[0], 5) + f2(tmpabcde[1], tmpabcde[2], tmpabcde[3]) + tmpabcde[4] + tmpData[m] + 0xca62c1d6; tmpabcde[4] = tmpabcde[3]; tmpabcde[3] = tmpabcde[2]; tmpabcde[2] = f4(tmpabcde[1], 30); tmpabcde[1] = tmpabcde[0]; tmpabcde[0] = tmp; } for (int i2 = 0; i2 < tmpabcde.length; i2++) { digestInt[i2] = digestInt[i2] + tmpabcde[i2]; } for (int n = 0; n < tmpData.length; n++) { tmpData[n] = 0; } } // 4位元組陣列轉換為整數 private static int byteArrayToInt(byte[] bytedata, int i) { return ((bytedata[i] & 0xff) << 24) | ((bytedata[i + 1] & 0xff) << 16) | ((bytedata[i + 2] & 0xff) << 8) | (bytedata[i + 3] & 0xff); } // 整數轉換為4位元組陣列 private static void intToByteArray(int intValue, byte[] byteData, int i) { byteData[i] = (byte) (intValue >>> 24); byteData[i + 1] = (byte) (intValue >>> 16); byteData[i + 2] = (byte) (intValue >>> 8); byteData[i + 3] = (byte) intValue; } // 將位元組轉換為十六進位制字串 private static String byteToHexString(byte ib) { char[] Digit = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' }; char[] ob = new char[2]; ob[0] = Digit[(ib >>> 4) & 0X0F]; ob[1] = Digit[ib & 0X0F]; String s = new String(ob); return s; } // 將位元組陣列轉換為十六進位制字串 private static String byteArrayToHexString(byte[] bytearray) { String strDigest = ""; for (int i = 0; i < bytearray.length; i++) { strDigest += byteToHexString(bytearray[i]); } return strDigest; } // 計算sha-1摘要,返回相應的位元組陣列 public static byte[] getDigestOfBytes(byte[] byteData) { process_input_bytes(byteData); byte[] digest = new byte[20]; for (int i = 0; i < digestInt.length; i++) { intToByteArray(digestInt[i], digest, i * 4); } return digest; } // 計算sha-1摘要,返回相應的十六進位制字串 public static String getDigestOfString(byte[] byteData) { return byteArrayToHexString(getDigestOfBytes(byteData)); } /** * 傳送post請求 * * @param path * url地址 * @param params * 引數集合 * @param encode * 請求編碼 * @param timeout * 超時時間(秒) * @return byte[] byte陣列 * @throws Exception */ public static byte[] post(String path, Map<String, String> params, String encode, int timeout) throws Exception { byte[] resultBuffer = null; Double nonce = Math.floor(Math.random() * 100000 + 100000); Long timestamp = Timestamp.valueOf("2015-3-18 00:00:00").getTime(); String signature = getDigestOfString((appSecret + nonce + timestamp) .getBytes()); StringBuilder parambuilder = new StringBuilder(""); if (params != null && !params.isEmpty()) { for (Map.Entry<String, String> entry : params.entrySet()) { parambuilder.append(entry.getKey()).append("=") .append(URLEncoder.encode(entry.getValue(), encode)) .append("&"); } parambuilder.deleteCharAt(parambuilder.length() - 1); } byte[] data = parambuilder.toString().getBytes(); URL url = new URL(path); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setDoOutput(true); conn.setUseCaches(false); conn.setConnectTimeout(timeout * 1000); conn.setReadTimeout(timeout * 1000); conn.setRequestMethod("POST"); conn.setRequestProperty( "Accept", "image/gif, image/jpeg, image/pjpeg, image/pjpeg, application/x-shockwave-flash, application/xaml+xml, application/vnd.ms-xpsdocument, application/x-ms-xbap, application/x-ms-application, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*"); conn.setRequestProperty("Accept-Language", "zh-CN"); conn.setRequestProperty("App-Key", appkey); conn.setRequestProperty("Nonce", nonce + ""); conn.setRequestProperty("Timestamp", timestamp + ""); conn.setRequestProperty("Signature", signature); conn.setRequestProperty( "User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.2; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)"); conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded"); conn.setRequestProperty("Content-Length", String.valueOf(data.length)); conn.setRequestProperty("Connection", "Keep-Alive"); DataOutputStream outStream = new DataOutputStream( conn.getOutputStream()); outStream.write(data); outStream.flush(); outStream.close(); if (conn.getResponseCode() == 200) { resultBuffer = readStream(conn.getInputStream()); } conn.disconnect(); return resultBuffer; } /** * 解析輸入流 * * @param inStream * 輸入流 * @return byte[] byte陣列 * @throws Exception */ private static byte[] readStream(InputStream inStream) throws Exception { ByteArrayOutputStream outSteam = new ByteArrayOutputStream(); byte[] buffer = new byte[1024]; int len = -1; while ((len = inStream.read(buffer)) != -1) { outSteam.write(buffer, 0, len); } outSteam.close(); inStream.close(); return outSteam.toByteArray(); } }