config.java

来自「cwbbs 云网论坛源码」· Java 代码 · 共 125 行

package com.redmoon.forum.ui.menu;



import java.net.*;

import cn.js.fan.util.*;
import org.apache.log4j.*;
import cn.js.fan.cache.jcs.RMCache;
import com.cloudwebsoft.framework.util.LogUtil;
import org.jdom.input.SAXBuilder;
import java.io.FileInputStream;
import org.jdom.Document;
import org.jdom.Element;

public class Config {
    final String group = "FORUM_MENU_CACHE";

    
    private XMLProperties properties;
    private final String CONFIG_FILENAME = "config_forum_menu.xml";
    public Document doc = null;
    public Element root = null;
    private String cfgpath;

    Logger logger;

    public static Config cfg = null;

    private static Object initLock = new Object();

    public Config() {
    }

    public void init() {
        logger = Logger.getLogger(Config.class.getName());
        URL cfgURL = getClass().getClassLoader().getResource(
                "/" + CONFIG_FILENAME);
        cfgpath = cfgURL.getFile();
        cfgpath = URLDecoder.decode(cfgpath);
        properties = new XMLProperties(cfgpath);


        SAXBuilder sb = new SAXBuilder();
        try {
            FileInputStream fin = new FileInputStream(cfgpath);
            doc = sb.build(fin);
            root = doc.getRootElement();
            fin.close();
        } catch (org.jdom.JDOMException e) {
            LogUtil.getLog(getClass()).error("Config:" + e.getMessage());
        } catch (java.io.IOException e) {
            LogUtil.getLog(getClass()).error("Config:" + e.getMessage());
        }
    }

    public static Config getInstance() {
        if (cfg == null) {
            synchronized (initLock) {
                cfg = new Config();
                cfg.init();
            }
        }
        return cfg;
    }

    public String getProperty(String name) {
        return StrUtil.getNullStr(properties.getProperty(name));
    }

    public int getIntProperty(String name) {
        String p = getProperty(name);
        if (StrUtil.isNumeric(p)) {
            return Integer.parseInt(p);
        } else
            return -65536;
    }

    public boolean getBooleanProperty(String name) {
        String p = getProperty(name);
        return p.equals("true");
    }

    public void setProperty(String name, String value) {
        properties.setProperty(name, value);
        refresh();
    }

    public String getProperty(String name, String childAttributeName,
                              String childAttributeValue) {
        return StrUtil.getNullStr(properties.getProperty(name, childAttributeName,
                                      childAttributeValue));
    }

    public String getProperty(String name, String childAttributeName,
                              String childAttributeValue, String subChildName) {
        return StrUtil.getNullStr(properties.getProperty(name, childAttributeName,
                                      childAttributeValue, subChildName));
    }

    public void setProperty(String name, String childAttributeName,
                            String childAttributeValue, String value) {
        properties.setProperty(name, childAttributeName, childAttributeValue,
                               value);
        refresh();
    }

    public void setProperty(String name, String childAttributeName,
                            String childAttributeValue, String subChildName,
                            String value) {
        properties.setProperty(name, childAttributeName, childAttributeValue,
                               subChildName, value);
        refresh();
    }

    public void refresh() {
        try {
            RMCache.getInstance().invalidateGroup(group);
        }
        catch (Exception e) {
            logger.error(e.getMessage());
        }
    }
}