Rebuild code and add default filter.

burp/file/ReadFile.java

@@ -0,0 +1,36 @@
+package burp.file;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileReader;
+import java.io.IOException;
+
+public class ReadFile {
+	/*
+	 * 获取文件内容
+	 */
+	public String readFileContent(String fileName) {
+	    File file = new File(fileName);
+	    BufferedReader reader = null;
+	    StringBuffer sbf = new StringBuffer();
+	    try {
+	        reader = new BufferedReader(new FileReader(file));
+	        String tempStr;
+	        while ((tempStr = reader.readLine()) != null) {
+	            sbf.append(tempStr);
+	        }
+	        reader.close();
+	        return sbf.toString();
+	    } catch (IOException e) {
+	    } finally {
+	        if (reader != null) {
+	            try {
+	                reader.close();
+	            } catch (IOException err) {
+	                err.printStackTrace();
+	            }
+	        }
+	    }
+	    return sbf.toString();
+	}
+}