Java Constants.UTF_8属性代码示例

@SuppressWarnings("unchecked")
@Override
public void handle(HttpExchange httpExchange) throws IOException {
    String body = new String(readBody(httpExchange), Constants.UTF_8);
    Map<String, Object> params = Jsons.fromJson(body, Map.class);

    sendPush(params);

    byte[] data = "服务已经开始推送,请注意查收消息".getBytes(Constants.UTF_8);
    httpExchange.getResponseHeaders().set("Content-Type", "text/plain; charset=utf-8");
    httpExchange.sendResponseHeaders(200, data.length);//200, content-length
    OutputStream out = httpExchange.getResponseBody();
    out.write(data);
    out.close();
    httpExchange.close();
}
 

@Override
public String getSession() {
    File file = new File(rootDir, fileName);
    if (!file.exists()) return null;
    InputStream in = null;
    try {
        in = new FileInputStream(file);
        byte[] bytes = new byte[in.available()];
        if (bytes.length > 0) {
            in.read(bytes);
            return new String(bytes, Constants.UTF_8);
        }
        in.close();
    } catch (Exception e) {
        ClientConfig.I.getLogger().e(e, "get session context ex,rootDir=%s", rootDir);
    } finally {
        IOUtils.close(in);
    }
    return null;
}
 

@Override
    public void onReceive(Context context, Intent intent) {

        if (MPushService.ACTION_MESSAGE_RECEIVED.equals(intent.getAction())) {
            byte[] bytes = intent.getByteArrayExtra(MPushService.EXTRA_PUSH_MESSAGE);
            int messageId = intent.getIntExtra(MPushService.EXTRA_PUSH_MESSAGE_ID, 0);
            String message = new String(bytes, Constants.UTF_8);

//           Toast.makeText(context, "收到新的通知：" + message, Toast.LENGTH_SHORT).show();

            if (messageId > 0) MPush.I.ack(messageId);
            if (TextUtils.isEmpty(message)) return;
            reactContext.getJSModule(RCTNativeAppEventEmitter.class).emit(MPUSH_EVENT_MESSAGE, message);

        } else {
            //reactContext.getJSModule(RCTNativeAppEventEmitter.class).emit(MPUSH_EVENT, intent.getAction());
        }
        Log.d("MPush", intent.toString());
        if (MPushService.ACTION_KICK_USER.equals(intent.getAction())) {

            Toast.makeText(context, "用户被踢下线了", Toast.LENGTH_SHORT).show();
        } else if (MPushService.ACTION_BIND_USER.equals(intent.getAction())) {

            Toast.makeText(context, "绑定用户:"
                            + intent.getStringExtra(MPushService.EXTRA_USER_ID)
                            + (intent.getBooleanExtra(MPushService.EXTRA_BIND_RET, false) ? "成功" : "失败")
                    , Toast.LENGTH_SHORT).show();

        } else if (MPushService.ACTION_UNBIND_USER.equals(intent.getAction())) {
            Toast.makeText(context, "解绑用户:"
                            + (intent.getBooleanExtra(MPushService.EXTRA_BIND_RET, false)
                            ? "成功"
                            : "失败")
                    , Toast.LENGTH_SHORT).show();

        } else if (MPushService.ACTION_CONNECTIVITY_CHANGE.equals(intent.getAction())) {
            Toast.makeText(context, intent.getBooleanExtra(MPushService.EXTRA_CONNECT_STATE, false)
                            ? "MPUSH连接建立成功"
                            : "MPUSH连接断开"
                    , Toast.LENGTH_SHORT).show();
        } else if (MPushService.ACTION_HANDSHAKE_OK.equals(intent.getAction())) {
            Toast.makeText(context, "MPUSH握手成功, 心跳:" + intent.getIntExtra(MPushService.EXTRA_HEARTBEAT, 0)
                    , Toast.LENGTH_SHORT).show();
        }
    }
 

/**
 * 获取数据,先从本地获取，本地找不到，从远程获取
 *
 * @param key
 * @return
 */
public String get(final String key) {
    if (null == cache) {
        return null;
    }
    ChildData data = cache.getCurrentData(key);
    if (null != data) {
        return null == data.getData() ? null : new String(data.getData(), Constants.UTF_8);
    }
    return getFromRemote(key);
}
 

/**
 * 从远程获取数据
 *
 * @param key
 * @return
 */
public String getFromRemote(final String key) {
    if (isExisted(key)) {
        try {
            return new String(client.getData().forPath(key), Constants.UTF_8);
        } catch (Exception ex) {
            Logs.RSD.error("getFromRemote:{}", key, ex);
        }
    }
    return null;
}
 

@Override
public String toString() {
    return "HttpResponse{" +
            "statusCode=" + statusCode +
            ", reasonPhrase='" + reasonPhrase + '\'' +
            ", headers=" + headers +
            ", body=" + (body == null ? "" : new String(body, Constants.UTF_8)) +
            '}';
}
 

public String decodeString(ByteBuf body) {
    byte[] bytes = decodeBytes(body);
    if (bytes == null) return null;
    return new String(bytes, Constants.UTF_8);
}
 

@Override
public void onReceive(Context context, Intent intent) {
    if (MPushService.ACTION_MESSAGE_RECEIVED.equals(intent.getAction())) {
        byte[] bytes = intent.getByteArrayExtra(MPushService.EXTRA_PUSH_MESSAGE);
        int messageId = intent.getIntExtra(MPushService.EXTRA_PUSH_MESSAGE_ID, 0);
        String message = new String(bytes, Constants.UTF_8);

        Toast.makeText(context, "收到新的通知：" + message, Toast.LENGTH_SHORT).show();

        if (messageId > 0) MPush.I.ack(messageId);

        if (TextUtils.isEmpty(message)) return;

        NotificationDO ndo = fromJson(message);

        if (ndo != null) {
            Intent it = new Intent(context, MyReceiver.class);
            it.setAction(MPushService.ACTION_NOTIFICATION_OPENED);
            if (ndo.getExtras() != null) it.putExtra("my_extra", ndo.getExtras().toString());
            if (TextUtils.isEmpty(ndo.getTitle())) ndo.setTitle("MPush");
            if (TextUtils.isEmpty(ndo.getTicker())) ndo.setTicker(ndo.getTitle());
            if (TextUtils.isEmpty(ndo.getContent())) ndo.setContent(ndo.getTitle());
            Notifications.I.notify(ndo, it);
        }
    } else if (MPushService.ACTION_NOTIFICATION_OPENED.equals(intent.getAction())) {
        Notifications.I.clean(intent);
        String extras = intent.getStringExtra("my_extra");
        Toast.makeText(context, "通知被点击了， extras=" + extras, Toast.LENGTH_SHORT).show();
    } else if (MPushService.ACTION_KICK_USER.equals(intent.getAction())) {
        Toast.makeText(context, "用户被踢下线了", Toast.LENGTH_SHORT).show();
    } else if (MPushService.ACTION_BIND_USER.equals(intent.getAction())) {
        Toast.makeText(context, "绑定用户:"
                        + intent.getStringExtra(MPushService.EXTRA_USER_ID)
                        + (intent.getBooleanExtra(MPushService.EXTRA_BIND_RET, false) ? "成功" : "失败")
                , Toast.LENGTH_SHORT).show();
    } else if (MPushService.ACTION_UNBIND_USER.equals(intent.getAction())) {
        Toast.makeText(context, "解绑用户:"
                        + (intent.getBooleanExtra(MPushService.EXTRA_BIND_RET, false)
                        ? "成功"
                        : "失败")
                , Toast.LENGTH_SHORT).show();
    } else if (MPushService.ACTION_CONNECTIVITY_CHANGE.equals(intent.getAction())) {
        Toast.makeText(context, intent.getBooleanExtra(MPushService.EXTRA_CONNECT_STATE, false)
                        ? "MPUSH连接建立成功"
                        : "MPUSH连接断开"
                , Toast.LENGTH_SHORT).show();
    } else if (MPushService.ACTION_HANDSHAKE_OK.equals(intent.getAction())) {
        Toast.makeText(context, "MPUSH握手成功, 心跳:" + intent.getIntExtra(MPushService.EXTRA_HEARTBEAT, 0)
                , Toast.LENGTH_SHORT).show();
    }
}
 

protected String decodeString(ByteBuffer body) {
    byte[] bytes = decodeBytes(body);
    if (bytes == null) return null;
    return new String(bytes, Constants.UTF_8);
}
 

/**
 * <p>
 * 二进制数据编码为BASE64字符串
 * </p>
 *
 * @param bytes base64
 * @return BASE64后的二进制数据
 */
public static String encode(byte[] bytes) {
    return new String(Base64.getEncoder().encode(bytes), Constants.UTF_8);
}
 

/**
 * <p>
 * 二进制数据编码为BASE64字符串
 * </p>
 *
 * @param bytes xxx
 * @return return
 * @throws Exception xxx
 */
public static String encode(byte[] bytes) throws Exception {
    return new String(Base64.getEncoder().encode(bytes), Constants.UTF_8);
}