bbsconfigoper.java

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package biz.tbuy.bbs;

import biz.tbuy.common.ComApplication;
import biz.tbuy.common.logs.Elog;
import biz.tbuy.share.XmlOper;
import java.util.HashMap;
import java.util.Map;
import org.w3c.dom.Document;
import org.w3c.dom.Element;

/**
 *
 * @author Administrator
 */
public class BBSConfigOper {
    
    public BBSConfigOper() {}
    
    // -------------------------------------------------- configOper display

    /**
     * 关于BBS全局“开关”信息的装载, 全局的配置信息包括以下各项:<br>
     * displays.get("face") <br/>
     * displays.get("bgsound") <br/>
     * displays.get("signable") <br/>
     * displays.get("rss") <br/>
     * displays.get("articleSearch") <br/>
     * displays.get("showArticleInfo") <br/>
     * displays.get("showMemberInfo") <br/>
     * displays.get("showFriendLink") <br/>
     * @return displays
     */
    public Map<String, Boolean> loadDisplay() {
        Map<String, Boolean> displays = new HashMap<String, Boolean>(8);
        try {
            Document doc = XmlOper.getDocument(getAppConfig());
            Element root = doc.getDocumentElement();
            Element display = (Element) root.
                    getElementsByTagName("display").item(0);
            Boolean face = Boolean.valueOf(display.
                    getElementsByTagName("face").item(0).getTextContent().trim());
            Boolean bgsound = Boolean.valueOf(display.
                    getElementsByTagName("bgsound").item(0).getTextContent().trim());
            Boolean signable = Boolean.valueOf(display.
                    getElementsByTagName("signable").item(0).getTextContent().trim());
            Boolean rss = Boolean.valueOf(display.
                    getElementsByTagName("rss").item(0).getTextContent().trim());
            Boolean articleSearch = Boolean.valueOf(display.
                    getElementsByTagName("article-search").item(0).getTextContent().trim());
            Boolean showArticleInfo = Boolean.valueOf(display.
                    getElementsByTagName("show-article-info").item(0).getTextContent().trim());
            Boolean showMemberInfo = Boolean.valueOf(display.
                    getElementsByTagName("show-member-info").item(0).getTextContent().trim());
            Boolean showFriendLink = Boolean.valueOf(display.
                    getElementsByTagName("show-friend-link").item(0).getTextContent().trim());
            displays.put("face", face);
            displays.put("bgsound", bgsound);
            displays.put("signable", signable);
            displays.put("rss", rss);
            displays.put("articleSearch", articleSearch);
            displays.put("showArticleInfo", showArticleInfo);
            displays.put("showMemberInfo", showMemberInfo);
            displays.put("showFriendLink", showFriendLink);
        } catch (Exception e) {
            Elog.log("Exception:BBSConfigOper:loadDisplay:" + e.getMessage());
        }
        return displays;
    }
    
    /**
     * 更新BBS“开关”信息!参数displays的keys应该是这些<br>
     * face|bgsound|signable|rss|articleSearch|
     * showArticleInfo|showMemberInfo|showFriendLink
     * @param displays Map类型
     */ 
    public void updateDisplay(Map<String, Boolean> displays) {
        Boolean face = displays.get("face");
        Boolean bgsound = displays.get("bgsound");
        Boolean signable = displays.get("signable");
        Boolean rss = displays.get("rss");
        Boolean articleSearch = displays.get("articleSearch");
        Boolean showArticleInfo = displays.get("showArticleInfo");
        Boolean showMemberInfo = displays.get("showMemberInfo");
        Boolean showFriendLink = displays.get("showFriendLink");
        try {
            Document doc = XmlOper.getDocument(getAppConfig());
            Element root = doc.getDocumentElement();
            Element dis = (Element)root.getElementsByTagName("display").item(0);
            if (face != null) dis.getElementsByTagName("face").
                    item(0).setTextContent(String.valueOf(face));
            if (bgsound != null) dis.getElementsByTagName("bgsound").
                    item(0).setTextContent(String.valueOf(bgsound));
            if (signable != null) dis.getElementsByTagName("signable").
                    item(0).setTextContent(String.valueOf(signable));
            if (rss != null) dis.getElementsByTagName("rss").
                    item(0).setTextContent(String.valueOf(rss));
            if (articleSearch != null) dis.getElementsByTagName("article-search").
                    item(0).setTextContent(String.valueOf(articleSearch));
            if (showArticleInfo != null) dis.getElementsByTagName("show-article-info").
                    item(0).setTextContent(String.valueOf(showArticleInfo));
            if (showMemberInfo != null) dis.getElementsByTagName("show-member-info").
                    item(0).setTextContent(String.valueOf(showMemberInfo));
            if (showFriendLink != null) dis.getElementsByTagName("show-friend-link").
                    item(0).setTextContent(String.valueOf(showFriendLink));
            XmlOper.saveDocument(doc, getAppConfig());
        } catch (Exception e) {
            Elog.log("Exception:BBSConfigOper:updateDisplay:" + e.getMessage());
        }
    }
    
    /**
     * 获取全局配置文件的绝对路径
     * @return appConfig
     */
    private String getAppConfig() {
        return ComApplication.getInstance().getServletContextPath() 
                + BBSGroups.PATH_APPCONFIG;
    }
}