平台修改意见20251120-021_FXX_01站点设备点位初始化配置，读取配置的设备点位匹配关系，存储对应的点位数据

ems-common/src/main/java/com/xzzn/common/utils/DataUtils.java

@@ -0,0 +1,39 @@
+package com.xzzn.common.utils;
+
+
+import java.io.BufferedReader;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+public class DataUtils {
+    private static final Log log = LogFactory.getLog(DataUtils.class);
+    
+    public static String getJSONFromFile(InputStream inputStream) {
+        BufferedReader bufferReader = null;
+        StringBuffer stringBuffer = new StringBuffer();
+        try {
+            InputStreamReader inputStreamReader = new InputStreamReader(inputStream, "utf-8");
+            bufferReader = new BufferedReader(inputStreamReader);
+            stringBuffer = new StringBuffer();
+            String lineData = null;
+            while ((lineData = bufferReader.readLine()) != null) {
+                stringBuffer.append(lineData);
+            }
+        } catch (Exception e) {
+            log.warn("getJSONFromFile error", e);
+        } finally {
+            if (null != bufferReader) {
+                try {
+                    bufferReader.close();
+                    inputStream.close();
+                } catch (Exception e) {
+                    log.warn("getJSONFromFile error", e);
+                }
+            }
+        }
+        return stringBuffer.toString();
+    }
+}