63 lines
2.1 KiB
Java
63 lines
2.1 KiB
Java
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package jxl.common;
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import java.security.AccessControlException;
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import jxl.common.log.LoggerName;
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import jxl.common.log.SimpleLogger;
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public abstract class Logger {
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private static Logger logger = null;
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public static final Logger getLogger(Class cl) {
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if (logger == null)
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initializeLogger();
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return logger.getLoggerImpl(cl);
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}
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private static synchronized void initializeLogger() {
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if (logger != null)
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return;
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String loggerName = LoggerName.NAME;
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try {
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loggerName = System.getProperty("logger");
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if (loggerName == null)
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loggerName = LoggerName.NAME;
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logger = (Logger)Class.forName(loggerName).newInstance();
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} catch (IllegalAccessException e) {
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logger = new SimpleLogger();
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logger.warn("Could not instantiate logger " + loggerName + " using default");
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} catch (InstantiationException e) {
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logger = new SimpleLogger();
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logger.warn("Could not instantiate logger " + loggerName + " using default");
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} catch (AccessControlException e) {
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logger = new SimpleLogger();
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logger.warn("Could not instantiate logger " + loggerName + " using default");
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} catch (ClassNotFoundException e) {
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logger = new SimpleLogger();
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logger.warn("Could not instantiate logger " + loggerName + " using default");
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}
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}
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public abstract void debug(Object paramObject);
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public abstract void debug(Object paramObject, Throwable paramThrowable);
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public abstract void error(Object paramObject);
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public abstract void error(Object paramObject, Throwable paramThrowable);
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public abstract void fatal(Object paramObject);
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public abstract void fatal(Object paramObject, Throwable paramThrowable);
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public abstract void info(Object paramObject);
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public abstract void info(Object paramObject, Throwable paramThrowable);
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public abstract void warn(Object paramObject);
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public abstract void warn(Object paramObject, Throwable paramThrowable);
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protected abstract Logger getLoggerImpl(Class paramClass);
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public void setSuppressWarnings(boolean w) {}
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}
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