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PHPJavaBridge server (soluble fork)
/*-*- mode: Java; tab-width:8 -*-*/
package io.soluble.pjb.bridge;
/*
* Copyright (C) 2003-2007 Jost Boekemeier
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
import java.lang.reflect.Method;
/**
* A logger which uses the log4j default appender. Requires that log4j.jar is in the classpath.
*/
public abstract class SimpleLog4jLogger implements ILogger {
protected LoggerProxy logger;
protected class LoggerProxy {
Object logger;
protected Class priority;
protected Object fatal, error, warn, info, debug;
protected LoggerProxy() throws Exception {
Class c = Class.forName("org.apache.log4j.Logger");
Method m = c.getMethod("getLogger", new Class[]{String.class});
logger = m.invoke(c, new Object[]{"io.soluble.pjb.bridge.JavaBridge"});
c = priority = Class.forName("org.apache.log4j.Priority");
fatal = c.getField("FATAL").get(c);
error = c.getField("ERROR").get(c);
warn = c.getField("WARN").get(c);
info = c.getField("INFO").get(c);
debug = c.getField("DEBUG").get(c);
}
private Method errorMethod;
public synchronized void error(String string, Throwable t) throws Exception {
if (errorMethod == null)
errorMethod = logger.getClass().getMethod("error", new Class[]{Object.class, Throwable.class});
errorMethod.invoke(logger, new Object[]{string, t});
}
private Method logMethod;
public synchronized void log(int level, String msg) throws Exception {
if (logMethod == null)
logMethod = logger.getClass().getMethod("log", new Class[]{priority, Object.class});
switch (level) {
case 1:
logMethod.invoke(logger, new Object[]{fatal, msg});
break;
case 2:
logMethod.invoke(logger, new Object[]{error, msg});
break;
case 3:
logMethod.invoke(logger, new Object[]{info, msg});
break;
case 4:
logMethod.invoke(logger, new Object[]{debug, msg});
break;
default:
logMethod.invoke(logger, new Object[]{warn, msg});
break;
}
}
}
/**
* Create a new log4j logger using the default appender.
*
* @see io.soluble.pjb.bridge.Util#setDefaultLogger(ILogger)
*/
protected SimpleLog4jLogger() {
}
/**
* {@inheritDoc}
*/
public void printStackTrace(Throwable t) {
try {
logger.error("JavaBridge exception ", t);
} catch (Exception e) {
e.printStackTrace();
throw new RuntimeException(e);
}
}
/**
* {@inheritDoc}
*/
public void log(int level, String msg) {
try {
logger.log(level, msg);
} catch (Exception e) {
e.printStackTrace();
throw new RuntimeException(e);
}
}
/**
* {@inheritDoc}
*/
public void warn(String msg) {
try {
logger.log(-1, msg);
} catch (Exception e) {
e.printStackTrace();
throw new RuntimeException(e);
}
}
}