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@@ -35,124 +35,130 @@ import java.util.Date;
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import javax.swing.JDialog;
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import javax.swing.JOptionPane;
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import uk.org.ownage.dmdirc.Config;
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+import uk.org.ownage.dmdirc.ui.FatalErrorDialog;
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import uk.org.ownage.dmdirc.ui.MainFrame;
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/**
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- *
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- * @author greboid
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+ * Logger class for an applications, provides logging, error logging and debug
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+ * logging
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*/
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public class Logger {
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+ /**
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+ * Logfile Printwriter
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+ */
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private static PrintWriter logWriter = null;
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+ /**
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+ * dialog used to report errors to the ui
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+ */
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private static JDialog dialog;
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+ /**
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+ * JOptionPane used as part of some dialogs
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+ */
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private static JOptionPane optionPane;
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- private static SimpleDateFormat format;
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+ /**
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+ * Date formatter, used for logging and displaying messages
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+ */
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+ private static SimpleDateFormat formatter;
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- /** Creates a new instance of Logger */
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+ /**
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+ * Prevents creation a new instance of Logger
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+ */
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private Logger() {
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}
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+ /**
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+ * Record an error message for the application, notifying the user if appropriate
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+ * @param level error level
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+ * @param message Error message/cause
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+ */
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public static void error(ErrorLevel level, String message) {
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if (logWriter == null ) createWriter();
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switch (level) {
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case FATAL:
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- logWriter.println(format.format(new Date())+": ERROR: "+level+" :"+message);
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- optionPane = new JOptionPane(message, JOptionPane.ERROR_MESSAGE,
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- JOptionPane.DEFAULT_OPTION);
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- dialog = new JDialog(MainFrame.getMainFrame(), "Fatal Error",
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- true);
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- dialog.setContentPane(optionPane);
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- dialog.setDefaultCloseOperation(
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- JDialog.DO_NOTHING_ON_CLOSE);
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- dialog.addWindowListener(new WindowAdapter() {
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- public void windowClosing(WindowEvent we) {
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- System.exit(-1);
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- }
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- });
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- optionPane.addPropertyChangeListener(
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- new PropertyChangeListener() {
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- public void propertyChange(PropertyChangeEvent e) {
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- if (dialog.isVisible() && e.getSource() == optionPane) {
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- System.exit(-1);
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- }
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- }
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- });
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+ logWriter.println(formatter.format(new Date())+": ERROR: "+level+" :"+message);
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+ dialog = new FatalErrorDialog(MainFrame.getMainFrame(), true, new String[]{message});
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dialog.pack();
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dialog.setLocationRelativeTo(MainFrame.getMainFrame());
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dialog.setVisible(true);
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break;
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default:
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- logWriter.println(format.format(new Date())+": ERROR: "+level+" :"+message);
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- System.err.println(format.format(new Date())+": ERROR: "+level+" :"+message);
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+ logWriter.println(formatter.format(new Date())+": ERROR: "+level+" :"+message);
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+ System.err.println(formatter.format(new Date())+": ERROR: "+level+" :"+message);
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break;
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}
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}
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+ /**
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+ * Record an error message for the application, notifying the user if appropriate
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+ * @param level error level
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+ * @param exception Cause of error
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+ */
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public static void error(ErrorLevel level, Exception exception) {
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+ String[] message;
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if (logWriter == null ) createWriter();
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- StackTraceElement[] stacktrace = exception.getStackTrace();
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+ StackTraceElement[] stackTrace = exception.getStackTrace();
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switch (level) {
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case FATAL:
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- logWriter.println(format.format(new Date())+": ERROR: "+level+" :"+exception.getMessage());
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- for (StackTraceElement traceElement: stacktrace) {
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+ logWriter.println(formatter.format(new Date())+": ERROR: "+level+" :"+exception.getMessage());
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+ message = new String[stackTrace.length+1];
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+ message[0] = exception.getMessage();
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+ int i = 1;
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+ for (StackTraceElement traceElement: stackTrace) {
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+ message[i] = traceElement.toString();
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logWriter.println("\t\t\t\t"+traceElement);
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+ i++;
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}
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- optionPane = new JOptionPane(exception.getMessage(), JOptionPane.ERROR_MESSAGE,
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- JOptionPane.DEFAULT_OPTION);
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- dialog = new JDialog(MainFrame.getMainFrame(), "Fatal Error",
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- true);
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- dialog.setContentPane(optionPane);
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- dialog.setDefaultCloseOperation(
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- JDialog.DO_NOTHING_ON_CLOSE);
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- dialog.addWindowListener(new WindowAdapter() {
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- public void windowClosing(WindowEvent we) {
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- System.exit(-1);
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- }
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- });
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- optionPane.addPropertyChangeListener(
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- new PropertyChangeListener() {
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- public void propertyChange(PropertyChangeEvent e) {
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- if (dialog.isVisible() && e.getSource() == optionPane) {
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- System.exit(-1);
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- }
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- }
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- });
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+ dialog = new FatalErrorDialog(MainFrame.getMainFrame(), true, message);
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dialog.pack();
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dialog.setLocationRelativeTo(MainFrame.getMainFrame());
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dialog.setVisible(true);
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break;
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default:
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- logWriter.println(format.format(new Date())+": ERROR: "+level+" :"+exception.getMessage());
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- for (StackTraceElement traceElement: stacktrace) {
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+ logWriter.println(formatter.format(new Date())+": ERROR: "+level+" :"+exception.getMessage());
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+ for (StackTraceElement traceElement: stackTrace) {
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logWriter.println("\t\t\t\t"+traceElement);
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}
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- System.err.println(format.format(new Date())+": ERROR: "+level+" :"+exception.getMessage());
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+ System.err.println(formatter.format(new Date())+": ERROR: "+level+" :"+exception.getMessage());
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break;
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}
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}
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+ /**
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+ * Record an debug message for the application, notifying the user if appropriate
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+ * @param level debug level
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+ * @param message Debug message
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+ */
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public static void debug(DebugLevel level, String message) {
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if (logWriter == null ) createWriter();
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switch(level) {
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default:
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- System.out.println(format.format(new Date())+": DEBUG: "+level+" :"+message);
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- logWriter.println(format.format(new Date())+": DEBUG: "+level+" :"+message);
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+ System.out.println(formatter.format(new Date())+": DEBUG: "+level+" :"+message);
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+ logWriter.println(formatter.format(new Date())+": DEBUG: "+level+" :"+message);
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break;
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}
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}
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+ /**
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+ * Record a log message for the application
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+ * @param level log level
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+ * @param message Log message
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+ */
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public static void log(LogLevel level, String message) {
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if (logWriter == null ) createWriter();
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switch(level) {
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default:
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- logWriter.println(format.format(new Date())+": LOG: "+level+" :"+message);
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+ logWriter.println(formatter.format(new Date())+": LOG: "+level+" :"+message);
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break;
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}
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}
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+ /**
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+ * Initialises the logfile writer and date formatter
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+ */
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private static void createWriter() {
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try {
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logWriter = new PrintWriter(new BufferedWriter(new FileWriter(Config.getConfigDir()+"errors.log")));
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@@ -160,9 +166,9 @@ public class Logger {
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Logger.error(ErrorLevel.FATAL, "Oh god, i cant open the error log.");
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}
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if (Config.hasOption("logging", "dateFormat")) {
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- format = new SimpleDateFormat(Config.getOption("logging", "dateFormat"));
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+ formatter = new SimpleDateFormat(Config.getOption("logging", "dateFormat"));
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} else {
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- format = new SimpleDateFormat("EEE, d MMM yyyy HH:mm:ss Z");
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+ formatter = new SimpleDateFormat("EEE, d MMM yyyy HH:mm:ss Z");
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}
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}
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}
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