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package cgeo.geocaching.utils;
import android.os.Environment;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Writer;
final public class Log {
private static final String TAG = "cgeo";
/**
* the debug flag is cached here so that we don't need to access the settings every time we have to evaluate it
*/
private static boolean isDebug = true;
private static boolean first = true;
public static boolean isDebug() {
return isDebug;
}
/**
* make a non persisted copy of the debug flag from the settings for performance reasons
*
* @param isDebug
*/
public static void setDebugUnsaved(boolean isDebug) {
Log.isDebug = isDebug;
}
public static void v(final String msg) {
if (isDebug) {
android.util.Log.v(TAG, msg);
}
}
public static void v(final String msg, final Throwable t) {
if (isDebug) {
android.util.Log.v(TAG, msg, t);
}
}
public static void d(final String msg) {
if (isDebug) {
android.util.Log.d(TAG, msg);
}
}
public static void d(final String msg, final Throwable t) {
if (isDebug) {
android.util.Log.d(TAG, msg, t);
}
}
public static void i(final String msg) {
if (isDebug) {
android.util.Log.i(TAG, msg);
}
}
public static void i(final String msg, final Throwable t) {
if (isDebug) {
android.util.Log.i(TAG, msg, t);
}
}
public static void w(final String msg) {
android.util.Log.w(TAG, msg);
}
public static void w(final String msg, final Throwable t) {
android.util.Log.w(TAG, msg, t);
}
public static void e(final String msg) {
android.util.Log.e(TAG, msg);
}
public static void e(final String msg, final Throwable t) {
android.util.Log.e(TAG, msg, t);
}
/**
* Log the whole content of a string into "/sdcard/cgeo-debug.log".
* <br/>
* Sometimes, the string we want to work on while debugging or developing a new feature is too long to
* be fully stored in Android logcat. This method will log the content of the string in a file named
* "/sdcard/cgeo-debug.log". The file will be reset at every run, and if called several times during a run,
* the contents will be appended to one another.
* <br/>
* <strong>This method should never be called in production.</strong>
*
* @param msg the message to log, or to add to the log if other messages have been stored in the same run
*/
public synchronized static void logToFile(final String msg) {
final File file = new File(Environment.getExternalStorageDirectory(), "cgeo-debug.log");
if (first) {
first = false;
file.delete();
}
try {
final Writer writer = new FileWriter(file, true);
writer.write(msg);
writer.close();
} catch (final IOException e) {
Log.e("logToFile: cannot write to " + file, e);
}
}
}
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