BodyReaderHttpServletRequestWrapper#body优化

axzo-common-loggings/axzo-common-trace/src/main/java/com/axzo/framework/trace/wrapper/BodyReaderHttpServletRequestWrapper.java

@@ -9,8 +9,10 @@ import javax.servlet.ServletRequest;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletRequestWrapper;
 import javax.servlet.http.Part;
+import java.io.BufferedInputStream;
 import java.io.BufferedReader;
 import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
@@ -33,8 +35,7 @@ public class BodyReaderHttpServletRequestWrapper extends HttpServletRequestWrapp
     super(request);
     this.request = request;
 //    request.getParameterMap();
-    String sessionStream = getBodyString(request);
-    body = sessionStream.getBytes(Charset.forName("UTF-8"));
+    body = getBodyBytes(request);
   }
 
 
@@ -44,6 +45,20 @@ public class BodyReaderHttpServletRequestWrapper extends HttpServletRequestWrapp
     return request.getParts();
   }
 
+  private byte[] getBodyBytes(ServletRequest request) throws IOException {
+    try (BufferedInputStream bis = new BufferedInputStream(request.getInputStream());
+         ByteArrayOutputStream baos = new ByteArrayOutputStream()) {
+      byte[] buffer = new byte[1024];
+      int len;
+      while ((len = bis.read(buffer)) > 0) {
+        baos.write(buffer, 0, len);
+      }
+      return baos.toByteArray();
+    } catch (IOException ex) {
+      throw ex;
+    }
+  }
+
   private String getBodyString(ServletRequest request) throws IOException {
     StringBuilder sb = new StringBuilder();
     InputStream ins = request.getInputStream();