Write a log file with a size limit
This tip provides code for creating a log file. When the file reaches a certain size, a new file will be created and the existing file will be renamed.
The method below creates a log file. If the log file reaches a certain size, the method will rename the existing file and create a new one.
usage: writeLogFile2(hLogin, hNow, "User " + hLogin + " Logged In", "Logged In"); public void writeLogFile2(String strWho, String strWhen, String strWhat, String strLeadNumber) { String strFile; String gDate = String.valueOf(emcU.getDate()); try { strFile = "c:\java\insRF" + strWho + "Log.txt"; //File file = new File("c:\java\insRF" + strWho + "Log.txt"); File file = new File(strFile); long length = file.length(); if(length > 5000) { File fileOLD = new File(strFile); File file2New = new File("c:\java\insRF" + strWho + "Log" + gDate + ".txt"); boolean success = file.renameTo(file2New); BufferedWriter out = new BufferedWriter (new FileWriter(strFile, true)); out.write("" + strWho + " at " + strWhen + " Clicked on: " + strWhat + " Action for Lead Number: " + strLeadNumber); out.write(" ¥ "); out.close(); } else { BufferedWriter out = new BufferedWriter(new FileWriter(strFile, true)); out.write("" + strWho + " at " + strWhen + " Clicked on: " + strWhat + " Action for Lead Number: " + strLeadNumber); out.write(" ¥ "); out.close(); } } catch (Exception e) { e.printStackTrace(); } }
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