org.apache.jul.JulLogFactory.java Source code

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Here is the source code for org.apache.jul.JulLogFactory.java

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/*
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 * Copyright (c) 2013, MPL CodeInside http://codeinside.ru
 */

package org.apache.jul;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogConfigurationException;
import org.apache.commons.logging.LogFactory;
import org.apache.commons.logging.impl.Jdk14Logger;

import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.logging.LogManager;

final public class JulLogFactory extends LogFactory {

    protected Hashtable attributes = new Hashtable();
    protected Hashtable instances = new Hashtable();

    public JulLogFactory() {
        final InputStream is = getClass().getClassLoader().getResourceAsStream("logging.properties");
        try {
            if (is != null) {
                LogManager.getLogManager().readConfiguration(is);
            }
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }

    public Object getAttribute(String name) {
        return (attributes.get(name));
    }

    public String[] getAttributeNames() {
        ArrayList<String> names = new ArrayList<String>(attributes.size());
        Enumeration keys = attributes.keys();
        while (keys.hasMoreElements()) {
            names.add((String) keys.nextElement());
        }
        return names.toArray(new String[names.size()]);
    }

    public Log getInstance(Class clazz) throws LogConfigurationException {
        return getInstance(clazz.getName());
    }

    public Log getInstance(String name) throws LogConfigurationException {
        Log instance = (Log) instances.get(name);
        if (instance == null) {
            instance = new Jdk14Logger(name);
            instances.put(name, instance);
        }
        return (instance);
    }

    public void release() {
        instances.clear();
    }

    public void removeAttribute(String name) {
        attributes.remove(name);
    }

    public void setAttribute(String name, Object value) {
        if (value == null) {
            attributes.remove(name);
        } else {
            attributes.put(name, value);
        }
    }

}