/
RhoLogger.java
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/
RhoLogger.java
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package com.rho;
import java.util.Calendar;
public class RhoLogger {
public static final boolean RHO_STRIP_LOG = false;
private static final int L_TRACE = 0;
private static final int L_INFO = 1;
private static final int L_WARNING = 2;
private static final int L_ERROR = 3;
private static final int L_FATAL = 4;
//private static final int L_NUM_SEVERITIES = 5;
private String LogSeverityNames[] = { "TRACE", "INFO", "WARNING", "ERROR", "FATAL" };
private String m_category;
private static RhoLogConf m_oLogConf = new RhoLogConf();
private String m_strMessage;
private int m_severity;
private static String m_SinkLock = "";
private static IRhoRubyHelper m_sysInfo;
public static String LOGFILENAME = "RhoLog.txt";
public RhoLogger(String name){
m_category = name;
}
public static RhoLogConf getLogConf(){
return m_oLogConf;
}
public String getLogCategory(){ return m_category; }
public void setLogCategory(String category){ m_category = category; }
public static void close(){ RhoLogConf.close(); }
private boolean isEnabled(){
if ( m_severity >= getLogConf().getMinSeverity() ){
if ( m_category.length() == 0 || m_severity >= L_ERROR )
return true;
return getLogConf().isCategoryEnabled(m_category);
}
return false;
}
private String get2FixedDigit(int nDigit){
if ( nDigit > 9 )
return Integer.toString(nDigit);
return "0" + Integer.toString(nDigit);
}
private String getLocalTimeString(){
Calendar time = Calendar.getInstance();
String strTime = "";
strTime +=
get2FixedDigit(time.get(Calendar.MONTH) + 1) + "/" +
get2FixedDigit(time.get(Calendar.DATE)) + "/" +
time.get(Calendar.YEAR) + " " +
get2FixedDigit(time.get(Calendar.HOUR_OF_DAY)) + ":" +
get2FixedDigit(time.get(Calendar.MINUTE)) + ":" +
get2FixedDigit(time.get(Calendar.SECOND));
//if ( false ) //comment this to show milliseconds
strTime += ":" + get2FixedDigit(time.get(Calendar.MILLISECOND));
//Date date = time.getTime();
return strTime;
}
private String makeStringSize(String str, int nSize)
{
if ( str.length() >= nSize )
return str.substring(0, nSize);
else {
String res = "";
for( int i = 0; i < nSize - str.length(); i++ )
res += ' ';
res += str;
return res;
}
}
private String getThreadField(){
String strThread = Thread.currentThread().getName();
if ( strThread.startsWith("Thread-"))
{
try {
int nThreadID = Integer.parseInt(strThread.substring(7));
return Integer.toHexString(nThreadID);
}catch(Exception exc){}
}
return strThread;
}
private void addPrefix(){
//(log level, local date time, thread_id, file basename, line)
//I time f5d4fbb0 category|
if ( m_severity == L_FATAL )
m_strMessage += LogSeverityNames[m_severity];
else
m_strMessage += LogSeverityNames[m_severity].charAt(0);
m_strMessage += " " + getLocalTimeString() + ' ' + makeStringSize(getThreadField(),8) + ' ' +
makeStringSize(m_category,15) + "| ";
}
private void logMessage( int severity, String msg ){
logMessage(severity, msg, null, false );
}
private void logMessage( int severity, String msg, Throwable e ){
logMessage(severity, msg, e, false );
}
private void logMessage( int severity, String msg, Throwable e, boolean bOutputOnly ){
m_severity = severity;
if ( !isEnabled() )
return;
m_strMessage = "";
if ( getLogConf().isLogPrefix() )
addPrefix();
if ( msg != null )
m_strMessage += msg;
if ( e != null )
{
m_strMessage += (msg != null && msg.length() > 0 ? ";" : "") + e.getClass().getName() + ": ";
String emsg = e.getMessage();
if ( emsg != null )
m_strMessage += emsg;
}
if (m_strMessage.length() > 0 || m_strMessage.charAt(m_strMessage.length() - 1) != '\n')
m_strMessage += '\n';
synchronized( m_SinkLock ){
getLogConf().sinkLogMessage( m_strMessage, bOutputOnly );
if ( (isSimulator() || m_severity == L_FATAL) && e != null ){
//TODO: redirect printStackTrace to our log
//e.printStackTrace();
}
}
if ( m_severity == L_FATAL )
processFatalError();
}
static boolean isSimulator()
{
return m_sysInfo.isSimulator();
}
protected void processFatalError(){
if ( isSimulator() )
throw new RuntimeException();
System.exit(0);
}
public void TRACE(String message) {
logMessage( L_TRACE, message);
}
public void TRACE(String message,Throwable e) {
logMessage( L_TRACE, message, e );
}
public void INFO(String message) {
logMessage( L_INFO, message);
}
public void INFO_OUT(String message) {
//logMessage( L_INFO, message, null, true);
//TODO: INFO_OUT
System.out.print(m_category + ": " + message + "\n");
System.out.flush();
}
public void WARNING(String message) {
logMessage( L_WARNING, message);
}
public void ERROR(String message) {
logMessage( L_ERROR, message);
}
public void ERROR(Throwable e) {
logMessage( L_ERROR, "", e );
}
public void ERROR(String message,Throwable e) {
logMessage( L_ERROR, message, e );
}
public void ERROR_OUT(String message,Throwable e) {
//logMessage( L_ERROR, message, e, true );
System.out.print(m_category + ": " + message + ". " + ( e != null ? e.getClass().getName() : "Exception") +
(e != null ? e.getMessage() : "" ) +"\n");
if ( e != null )
e.printStackTrace();
System.out.flush();
}
public void FATAL(String message) {
logMessage( L_FATAL, message);
}
public void FATAL(Throwable e) {
logMessage( L_FATAL, "", e);
}
public void FATAL(String message, Throwable e) {
logMessage( L_FATAL, message, e);
}
public void ASSERT(boolean exp, String message) {
if ( !exp )
logMessage( L_FATAL, message);
}
public static String getLogText(){
return m_oLogConf.getLogText();
}
public static int getLogTextPos(){
return m_oLogConf.getLogTextPos();
}
public static void clearLog(){
synchronized( m_SinkLock ){
getLogConf().clearLog();
}
}
public static void InitRhoLog()throws Exception{
m_sysInfo = RhoClassFactory.createRhoRubyHelper();
RhoConf.InitRhoConf();
//Set defaults
m_oLogConf.setLogPrefix(true);
m_oLogConf.setLogToFile(true);
if ( isSimulator() ) {
m_oLogConf.setMinSeverity( L_INFO );
m_oLogConf.setLogToOutput(true);
m_oLogConf.setEnabledCategories("*");
m_oLogConf.setDisabledCategories("");
m_oLogConf.setMaxLogFileSize(0);//No limit
}else{
m_oLogConf.setMinSeverity( L_ERROR );
m_oLogConf.setLogToOutput(false);
m_oLogConf.setEnabledCategories("");
m_oLogConf.setMaxLogFileSize(1024*50);
}
if ( RhoConf.getInstance().getRhoRootPath().length() > 0 )
m_oLogConf.setLogFilePath( RhoConf.getInstance().getRhoRootPath() + LOGFILENAME );
//load configuration if exist
//
//m_oLogConf.saveToFile("");
//
RhoConf.getInstance().loadConf();
m_oLogConf.loadFromConf(RhoConf.getInstance());
}
}