home.java

cwbbs 云网论坛源码

package com.redmoon.forum.ui;



import java.net.*;

import cn.js.fan.util.*;
import org.apache.log4j.*;
import cn.js.fan.cache.jcs.RMCache;

public class Home {
    final String HOTIDS = "FORUM_HOME_HOTIDS";
    final String FLASHIMAGES = "FORUM_HOME_FLASHIMAGES";

    final String group = "FORUM_HOME_CACHE";

    
    private XMLProperties properties;
    private final String CONFIG_FILENAME = "config_forum_home.xml";

    private String cfgpath;

    Logger logger;

    public static Home home = null;

    private static Object initLock = new Object();

    public Home() {
    }

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

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

    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 int[] getHotIds() {
        int[] v = new int[0];
        try {
            v = (int[]) RMCache.getInstance().getFromGroup(HOTIDS, group);
        } catch (Exception e) {
            logger.error(e.getMessage());
        }

        
        if (v != null) {
            return v;
        }
        
        else {
            String ids = StrUtil.getNullString(home.getProperty("hot"));
            if (!ids.equals("")) {
                ids = ids.replaceAll("，", ",");
                String[] sv = ids.split(",");
                int len = sv.length;
                v = new int[len];
                for (int i = 0; i < len; i++) {
                    v[i] = StrUtil.toInt(sv[i], -1);
                }
                if (v.length > 0) {
                    try {
                        RMCache.getInstance().putInGroup(HOTIDS, group, v);
                    } catch (Exception e) {
                        logger.error(e.getMessage());
                    }
                }
            }
        }
        if (v == null)
            return new int[0];
        else
            return v;
    }

    public String[][] getFlashImages() {
        String[][] v = null;
        try {
            v = (String[][]) RMCache.getInstance().getFromGroup(FLASHIMAGES,
                    group);
        } catch (Exception e) {
            logger.error(e.getMessage());
        }

        
        if (v != null) {
            return v;
        }
        
        else {
            v = new String[5][3];
            for (int i = 1; i <= 5; i++) {
                String url = StrUtil.getNullString(home.getProperty("flash",
                        "id", "" + i, "url"));
                String link = StrUtil.getNullString(home.getProperty("flash",
                        "id", "" + i, "link"));
                String text = StrUtil.getNullString(home.getProperty("flash",
                        "id", "" + i, "text"));
                if (!url.equals("")) {
                    v[i - 1][0] = url;
                    v[i - 1][1] = link;
                    v[i - 1][2] = text;
                }
            }

            if (v.length > 0) {
                try {
                    RMCache.getInstance().putInGroup(FLASHIMAGES, group, v);
                } catch (Exception e) {
                    logger.error(e.getMessage());
                }
            }
        }
        return v;
    }

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