();
+
+ static {
+ // images
+ mFileTypes.put("FFD8FF", "jpg");
+ mFileTypes.put("89504E47", "png");
+ mFileTypes.put("47494638", "gif");
+ mFileTypes.put("49492A00", "tif");
+ mFileTypes.put("424D", "bmp");
+ /*CAD*/
+ mFileTypes.put("41433130", "dwg");
+ mFileTypes.put("38425053", "psd");
+ /* 日记本 */
+ mFileTypes.put("7B5C727466", "rtf");
+ mFileTypes.put("3C3F786D6C", "xml");
+ mFileTypes.put("68746D6C3E", "html");
+ // 邮件
+ mFileTypes.put("44656C69766572792D646174653A", "eml");
+ mFileTypes.put("D0CF11E0", "doc");
+ //excel2003版本文件
+ mFileTypes.put("D0CF11E0", "xls");
+ mFileTypes.put("5374616E64617264204A", "mdb");
+ mFileTypes.put("252150532D41646F6265", "ps");
+ mFileTypes.put("25504446", "pdf");
+ mFileTypes.put("504B0304", "docx");
+ //excel2007以上版本文件
+ mFileTypes.put("504B0304", "xlsx");
+ mFileTypes.put("52617221", "rar");
+ mFileTypes.put("57415645", "wav");
+ mFileTypes.put("41564920", "avi");
+ mFileTypes.put("2E524D46", "rm");
+ mFileTypes.put("000001BA", "mpg");
+ mFileTypes.put("000001B3", "mpg");
+ mFileTypes.put("6D6F6F76", "mov");
+ mFileTypes.put("3026B2758E66CF11", "asf");
+ mFileTypes.put("4D546864", "mid");
+ mFileTypes.put("1F8B08", "gz");
+ }
+
+ /**
+ * Title:getFileType
+ * Description: 根据文件路径获取文件头信息
+ *
+ * @param filePath 文件路径(非网络文件)
+ * @return 文件头信息
+ */
+ public static String getFileType(String filePath) {
+ //返回十六进制 如：504B0304
+ return mFileTypes.get(getFileHeader(filePath));
+ }
+
+ /**
+ * Title:getFileTypeByFileInputStream
+ * Description: 根据文件流获取文件头信息
+ *
+ * @param is 文件流
+ * @return 文件头信息
+ */
+ public static String getFileTypeByFileInputStream(InputStream is) {
+ return mFileTypes.get(getFileHeaderByFileInputStream(is));
+ }
+
+ /**
+ * Title:getFileHeader
+ * Description: 根据文件路径获取文件头信息
+ *
+ * @param filePath 文件路径
+ * @return 十六进制文件头信息
+ */
+ private static String getFileHeader(String filePath) {
+ FileInputStream is = null;
+ String value = null;
+ try {
+ is = new FileInputStream(filePath);
+ byte[] b = new byte[4];
+ /*
+ * int read() 从此输入流中读取一个数据字节。int read(byte[] b) 从此输入流中将最多 b.length
+ * 个字节的数据读入一个 byte 数组中。 int read(byte[] b, int off, int len)
+ * 从此输入流中将最多 len 个字节的数据读入一个 byte 数组中。
+ */
+ is.read(b, 0, b.length);
+ value = bytesToHexString(b);
+ } catch (Exception e) {
+ } finally {
+ if (null != is) {
+ try {
+ is.close();
+ } catch (IOException e) {
+ }
+ }
+ }
+ return value;
+ }
+
+ /**
+ * Title:getFileHeaderByFileInputStream
+ * Description: 根据文件流获取文件头信息
+ *
+ * @param is 文件流
+ * @return 十六进制文件头信息
+ */
+ private static String getFileHeaderByFileInputStream(InputStream is) {
+ String value = null;
+ try {
+ byte[] b = new byte[4];
+ /*
+ * int read() 从此输入流中读取一个数据字节。int read(byte[] b) 从此输入流中将最多 b.length
+ * 个字节的数据读入一个 byte 数组中。 int read(byte[] b, int off, int len)
+ * 从此输入流中将最多 len 个字节的数据读入一个 byte 数组中。
+ */
+ is.read(b, 0, b.length);
+ value = bytesToHexString(b);
+ } catch (Exception e) {
+ } finally {
+ if (null != is) {
+ try {
+ is.close();
+ } catch (IOException e) {
+ }
+ }
+ }
+ return value;
+ }
+
+ /**
+ * Title:bytesToHexString
+ * Description: 将要读取文件头信息的文件的byte数组转换成string类型表示
+ *
+ * @param src 要读取文件头信息的文件的byte数组
+ * @return 文件头信息
+ */
+ private static String bytesToHexString(byte[] src) {
+ StringBuilder builder = new StringBuilder();
+ if (src == null || src.length <= 0) {
+ return null;
+ }
+ String hv;
+ for (int i = 0; i < src.length; i++) {
+ // 以十六进制（基数 16）无符号整数形式返回一个整数参数的字符串表示形式，并转换为大写
+ hv = Integer.toHexString(src[i] & 0xFF).toUpperCase();
+ if (hv.length() < 2) {
+ builder.append(0);
+ }
+ builder.append(hv);
+ }
+ //System.out.println(builder.toString());
+ return builder.toString();
+ }
+
+ public static List parseCsv(String line) {
+ Pattern pattern = Pattern.compile("[^,\"]+|,,|(?:\"[^,\"]*\"[^\"]*\"[^\"]*)\"|\"(?:[^\"])*\"");
+
+ List list = new ArrayList<>();
+
+ Matcher matcher = pattern.matcher(line);
+ while (matcher.find()) {
+ String cell = matcher.group();
+ list.add(cell);
+ }
+ return list;
+ }
+
+}
\ No newline at end of file
diff --git a/ozburst-all/mimeter-dashboard/mimeter-dashboard-service/src/main/java/run/mone/mimeter/dashboard/common/util/MapTypeAdapter.java b/ozburst-all/mimeter-dashboard/mimeter-dashboard-service/src/main/java/run/mone/mimeter/dashboard/common/util/MapTypeAdapter.java
new file mode 100644
index 000000000..91a536630
--- /dev/null
+++ b/ozburst-all/mimeter-dashboard/mimeter-dashboard-service/src/main/java/run/mone/mimeter/dashboard/common/util/MapTypeAdapter.java
@@ -0,0 +1,112 @@
+/*
+ * Copyright 2020 Xiaomi
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package run.mone.mimeter.dashboard.common.util;
+
+import com.google.gson.Gson;
+import com.google.gson.TypeAdapter;
+import com.google.gson.TypeAdapterFactory;
+import com.google.gson.internal.LinkedTreeMap;
+import com.google.gson.internal.bind.ObjectTypeAdapter;
+import com.google.gson.reflect.TypeToken;
+import com.google.gson.stream.JsonReader;
+import com.google.gson.stream.JsonToken;
+import com.google.gson.stream.JsonWriter;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+public final class MapTypeAdapter extends TypeAdapter