/**
* Copyright (C) 2001-2003 France Telecom R&D
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.objectweb.util.monolog.wrapper.log4j;
import org.apache.log4j.FileAppender;
import org.apache.log4j.PatternLayout;
import org.objectweb.util.monolog.Monolog;
import org.objectweb.util.monolog.api.Handler;
import org.objectweb.util.monolog.api.MonologFactory;
import org.objectweb.util.monolog.wrapper.common.RelatifEnvironmentPathGetter;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
/**
* This class is the wrapper to the org.apache.log4j.FileAppender
*
* @author Sebastien Chassande-Barrioz
*/
public class FileHandler extends FileAppender implements Handler {
/**
* This fields contains the properties of the Handler
*/
protected HashMap prop = null;
public FileHandler() {
super();
}
/**
* It Builds a new FileHandler.
* @param name is the handler name.
*/
public FileHandler(String name) {
super();
setName(name);
prop = new HashMap();
}
public Map getAttributes() {
return prop;
}
public void setAttributes(Map attributes) {
prop.clear();
prop.putAll(attributes);
Object mf = prop.get("activation");
if (mf != null) {
prop.remove("activation");
setAttribute("activation", mf);
}
}
// IMPLEMENTATION OF THE Handler INTERFACE //
//---------------------------------------------//
public String getType() {
return "file";
}
public String[] getAttributeNames() {
return (String[]) prop.keySet().toArray(new String[0]);
}
public Object getAttribute(String key) {
return prop.get(key);
}
public Object setAttribute(String key, Object value) {
if (prop == null) {
prop = new HashMap();
}
if (!key.equalsIgnoreCase("activation")) {
return prop.put(key, value);
} else if (prop.containsKey(key)) {
return null; //already activated
}
MonologFactory mf = (MonologFactory) value;
String output = (String) prop.get(Handler.OUTPUT_ATTRIBUTE);
output = RelatifEnvironmentPathGetter.getRealPath(output);
String append = (String) prop.get(Handler.APPEND_MODE_ATTRIBUTE);
if (append != null && append.length() > 0) {
fileAppend = Boolean.getBoolean(append);
} else {
fileAppend = true;
}
String buffersize = (String) prop.get(Handler.BUFFER_ATTRIBUTE);
if (buffersize != null && buffersize.length() > 0) {
try {
setBufferSize(Integer.valueOf(buffersize).intValue());
} catch (NumberFormatException e) {
Monolog.error("Bad specified buffer size for the handler '"
+ name + "': " + buffersize, e);
}
}
try {
setFile(output, fileAppend, bufferedIO, bufferSize);
} catch (IOException e) {
Monolog.error("Error during the creation of the handler '"
+ name + "': ", e);
}
String pattern = (String) prop.get(Handler.PATTERN_ATTRIBUTE);
setLayout(new PatternLayout(PatternConverter.monolog2log4j(pattern)));
String level = (String) prop.get(Handler.LEVEL_ATTRIBUTE);
if (level != null && level.length() > 0) {
int levelVal = org.objectweb.util.monolog.wrapper.common.LevelImpl.evaluate(level, mf);
setThreshold(org.apache.log4j.Level.toLevel(levelVal));
}
super.activateOptions();
return null;
}
}