Configuration.java

/**********************************************************************
Copyright (c) 2009 Asfun Net.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
 **********************************************************************/
package net.asfun.jangod.base;

import static net.asfun.jangod.util.logging.JangodLogger;

import java.io.File;
import java.util.Locale;
import java.util.Properties;
import java.util.TimeZone;

import net.asfun.jangod.lib.Filter;
import net.asfun.jangod.lib.FilterLibrary;
import net.asfun.jangod.lib.Importable;
import net.asfun.jangod.lib.Macro;
import net.asfun.jangod.lib.MacroLibrary;
import net.asfun.jangod.lib.Tag;
import net.asfun.jangod.lib.TagLibrary;

public class Configuration implements Cloneable {

    private String encoding;
    private Locale locale;
    private TimeZone timezone;
    private String workspace;
    Properties properties = new Properties();
    static final Configuration config;

    static {
	config = ConfigInitializer.getConfig(null);
    }

    protected Configuration() {
    };

    public static void addImport(Importable importee) {
	if (importee instanceof Filter) {
	    FilterLibrary.addFilter((Filter) importee);
	} else if (importee instanceof Tag) {
	    TagLibrary.addTag((Tag) importee);
	} else if (importee instanceof Macro) {
	    MacroLibrary.addMacro((Macro) importee);
	} else {
	    if (importee != null)
		JangodLogger
			.warning("Can't recognize the importing object >>> "
				+ importee.getClass().getName());
	    else
		JangodLogger.warning("Can't import null object");
	}
    }

    public void setEncoding(String encoding) {
	this.encoding = encoding;
    }

    public String getEncoding() {
	return encoding;
    }

    public void setLocale(Locale locale) {
	this.locale = locale;
    }

    public Locale getLocale() {
	return locale;
    }

    public TimeZone getTimezone() {
	return timezone;
    }

    public void setTimezone(TimeZone timezone) {
	this.timezone = timezone;
    }

    public static Configuration getDefault() {
	return config;
    }

    public String getWorkspace() {
	return workspace;
    }

    public void setWorkspace(String rootPath) {
	if (rootPath == null)
	    return;
	if (rootPath.endsWith(File.separator)) {
	    workspace = rootPath.substring(0,
		    rootPath.lastIndexOf(File.separator));
	} else {
	    workspace = rootPath;
	}
    }

    public String getProperty(String key, String defaultValue) {
	return properties.getProperty(key, defaultValue);
    }

    public String getProperty(String key) {
	return properties.getProperty(key);
    }

    @Override
    public Configuration clone() {
	Configuration conf = new Configuration();
	conf.encoding = config.encoding;
	conf.locale = config.locale;
	conf.timezone = config.timezone;
	conf.workspace = config.workspace;
	conf.properties = (Properties) config.properties.clone();
	return conf;
    }
}