configoper.java

tbuy1.1.5是在netbeans环境下用JSF技术编写的一个论坛tbuy1.1.5是在netbeans环境下用JSF技术编写的一个论坛

     * 系统的个性设置,载入系统的个性设置信息,返回类型为Map，keys如下：<br>
     * mysetting.get("webname") -> 网站名称<br>
     * mysetting.get("logo") -> logo图片的地址<br>
     * mysetting.get("banner") -> banner图片的地址<br>
     * mysetting.get("icp") -> icp备案信息<br>
     * mysetting.get("comment") -> 其他信息<br>
     * @return mysetting HashMap类型
     **************************************************************************/
    public Map<String, String> loadMySetting() {
        Map<String, String> mysetting = new HashMap<String, String>(5);
        try {
            Document doc = XmlOper.getDocument(getAppConfig());
            Element root = doc.getDocumentElement();
            Element setting = (Element) root.getElementsByTagName("mysetting").
                    item(0);
            String webname = setting.getElementsByTagName("webname").
                    item(0).getTextContent().trim();
            String logo = setting.getElementsByTagName("logo").
                    item(0).getTextContent().trim();
            String banner = setting.getElementsByTagName("banner").
                    item(0).getTextContent().trim();
            String icp = setting.getElementsByTagName("icp").
                    item(0).getTextContent().trim();
            String comment = setting.getElementsByTagName("comment").
                    item(0).getTextContent().trim();
            
            mysetting.put("webname", webname);
            mysetting.put("logo", logo);
            mysetting.put("banner", banner);
            mysetting.put("icp", icp);
            mysetting.put("comment", comment);
        } catch (Exception e) {
            Elog.log("Exception:ConfigOper:loadMySetting:" + e.getMessage());
        }
        return mysetting;
    }
    
    /**
     * 更新mySetting配置信息，参数myset必须为map,可以包含以下key:<br>
     * webname(网站名)<br> logo(logo图片地址)<br>, banner(banner图片地址）<br>
     * copyright(版权信息）<br>icp（icp信息）<br> comment（其他信息）<br>
     * @param myset
     */
    public void updateMySetting(Map<String, String> myset) throws Exception{
        String webname = myset.get("webname");
        String logo = myset.get("logo");
        String banner = myset.get("banner");
        String icp = myset.get("icp");
        String comment = myset.get("comment");
        Document doc = XmlOper.getDocument(getAppConfig());
        Element root = doc.getDocumentElement();
        Element mysetting = (Element)root.getElementsByTagName("mysetting").item(0);
        if (webname != null && !webname.equals(""))
            mysetting.getElementsByTagName("webname").item(0).setTextContent(webname.trim());
        if (logo != null && !logo.equals(""))
            mysetting.getElementsByTagName("logo").item(0).setTextContent(logo.trim());
        if (banner != null) 
            mysetting.getElementsByTagName("banner").item(0).setTextContent(banner.trim());
        if (icp != null && !icp.equals(""))
            mysetting.getElementsByTagName("icp").item(0).setTextContent(icp.trim());
        if (comment != null && !comment.equals(""))
            mysetting.getElementsByTagName("comment").item(0).setTextContent(comment.trim());
        XmlOper.saveDocument(doc, getAppConfig());
    }
    
    /***************************************************************************
     * 载入系统的版本信息,返回类型为HashMap, 可以像这样获取数据<br>
     * release.get("version") -> 版本标识<br>
     * release.get("date") -> 版本发布日期<br>
     * release.get("author") -> 作者信息<br>
     * release.get("qq") -> 作者QQ信息<br>
     * release.get("homepage") -> 主页<br>
     * @return release
     **************************************************************************/
    public Map<String, String> loadRelease() {
        Map<String, String> release = new HashMap<String, String>(5);
        try {
            Document doc = XmlOper.getDocument(getAppConfig());
            Element root = doc.getDocumentElement();
            Element rel = (Element) root.getElementsByTagName("release").item(0);
            String version = rel.getElementsByTagName("version").item(0).
                    getTextContent().trim();
            String date = rel.getElementsByTagName("date").item(0).
                    getTextContent().trim();
            //String author = rel.getElementsByTagName("author").item(0).
            //        getTextContent().trim();
            //String qq = rel.getElementsByTagName("qq").item(0).
            //        getTextContent().trim();
            //String homepage = rel.getElementsByTagName("homepage").item(0).
            //        getTextContent().trim();
            release.put("version", version);
            release.put("date", date);
            release.put("author", "huliqing");
            release.put("qq", "31703299");
            release.put("homepage", "http://www.tbuy.biz/");
        } catch (Exception e) {
            Elog.log("Exception:ConfigOper:loadRelease:" + e.getMessage());
        }
        return release;
    }
    
    /***************************************************************************
     * 载入被禁止访问的ip地址列表
     * @return disallows
     **************************************************************************/
    public List<String> loadDisallows() {
        List<String> disallows = new ArrayList<String>();
        try {
            String filePath = ComApplication.getInstance().getServletContextPath() + Constants.PATH_DISALLOWS;
            Document doc = XmlOper.getDocument(filePath);
            Element root = doc.getDocumentElement();
            NodeList ips = root.getElementsByTagName("ip");
            for (int i = 0; i < ips.getLength(); i++) {
                String ip = ips.item(i).getTextContent().trim();
                disallows.add(ip);
            }
        } catch (Exception e) {
            Elog.log("Exception:ConfigOper:loadDisallows:" + e.getMessage());
        }
        return disallows;
    }
    
    /**
     * 添加一个被禁止访问的ip地址
     * @param ip
     */
    public void addDisallow(String ip) {
        try {
            String filePath =  ComApplication.getInstance().getServletContextPath() +  
                Constants.PATH_DISALLOWS;
            Document doc = XmlOper.getDocument(filePath);
            Element root = doc.getDocumentElement();
            NodeList ips = root.getElementsByTagName("ip");
            for (int i = 0; i < ips.getLength(); i++) {
                Element temp = (Element)ips.item(i);
                if (temp.getTextContent().trim().equals(ip)) {
                    return;
                }
            }
            Element eIP = doc.createElement("ip");
            Text eIP_text = doc.createTextNode(ip);
            eIP.appendChild(eIP_text);
            root.appendChild(eIP);
            
            XmlOper.saveDocument(doc, filePath);
        } catch (Exception e) {
            Elog.log("Exception:SysVisitControl:add:" + e.getMessage());
        }
    }
    
    /**
     * 从被禁止的IP地址列表中移除一个ip
     * @param ip
     */
    public void removeDisallow(String ip) {
        try {
            String filePath =  ComApplication.getInstance().getServletContextPath() +  
                Constants.PATH_DISALLOWS;
            Document doc = XmlOper.getDocument(filePath);
            Element root = doc.getDocumentElement();
            NodeList ips = root.getElementsByTagName("ip");
            for (int i = 0; i < ips.getLength(); i++) {
                Element temp = (Element)ips.item(i);
                if (temp.getTextContent().trim().equals(ip)) {
                    root.removeChild(temp);
                    break;
                }
            }
            XmlOper.saveDocument(doc, filePath);
        } catch (Exception e) {
            Elog.log("Exception:SysVisitControl:removeDisallow:" + e.getMessage());
        }
    }
    
    // ------------------------------------------------------------ 连接池信息
    
    /**
     * 获取数据库连接池的配置信息,返回类型为map，可以这样获取数据：<br>
     * config.get("min") -> 最少限制数<br>
     * config.get("max") -> 最大限制数<br>
     * config.get("free") -> 空闲的多余连接可以存在的最长时间（毫秒）<br>
     * config.get("busy") -> 繁忙的强制释放时间(毫秒)<br>
     * @return config
     */
    public Map<String, String> getPoolConfig() {
        Map<String, String> config = new HashMap<String, String>(4);
        try {
            String filePath = ComApplication.getInstance().getServletContextPath() 
                    + Constants.PATH_CONNECTION;
            Document doc = XmlOper.getDocument(filePath);
            Element root = doc.getDocumentElement();
            Element pool = (Element)root.getElementsByTagName("pool").item(0);
            String min = pool.getElementsByTagName("min").item(0).getTextContent().trim();
            String max = pool.getElementsByTagName("max").item(0).getTextContent().trim();
            String free = pool.getElementsByTagName("free").item(0).getTextContent().trim();
            String busy = pool.getElementsByTagName("busy").item(0).getTextContent().trim();
            config.put("min", min);
            config.put("max", max);
            config.put("free", free);
            config.put("busy", busy);
        } catch (Exception e) {
            Elog.log("Exception:ConfigOper:getPoolConfig:" + e.getMessage());
        }
        return config;
    }
    
    /**
     * 获取数据库的配置信息,返回类型为list,list包含Map
     * map可以这样获得数据:<br>
     * map.get("id")<br>
     * map.get("driver")<br>
     * map.get("url")<br>
     * map.get("name")<br>
     * map.get("password")<br>
     * @return conns 
     */
    public List<Map<String, String>> getConnection() {
        List<Map<String, String>> conns = new ArrayList<Map<String, String>>(2);
        try {
            String filePath = ComApplication.getInstance().getServletContextPath() 
                    + Constants.PATH_CONNECTION;
            Document doc = XmlOper.getDocument(filePath);
            Element root = doc.getDocumentElement();
            NodeList dbs = root.getElementsByTagName("database");
            for (int i = 0; i < dbs.getLength(); i++) {
                Element db = (Element)dbs.item(i);
                String id = db.getElementsByTagName("id").item(0).getTextContent().trim();
                String driver = db.getElementsByTagName("driver").item(0).getTextContent().trim();
                String url = db.getElementsByTagName("url").item(0).getTextContent().trim();
                String name = db.getElementsByTagName("name").item(0).getTextContent().trim();
                String password = db.getElementsByTagName("password").item(0).getTextContent().trim();
                
                Map<String, String> dbm = new HashMap<String, String>(5);
                dbm.put("id", id);
                dbm.put("driver", driver);
                dbm.put("url", url);
                dbm.put("name", name);
                dbm.put("password", password);
                conns.add(dbm);
            }
        } catch (Exception e) {
            Elog.log("Exception:ConfigOper:getConnection:" + e.getMessage());
        }
        return conns;
    }
    
    /**
     * 获取全局配置文件的绝对路径
     * @return appConfig
     */
    private String getAppConfig() {
        return ComApplication.getInstance().getServletContextPath() 
                + Constants.PATH_APPCONFIG;
    }
}