admingroups.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

/*
 * 作者: 胡李青
 * qq: 31703299
 * Copyright (c) 2007 huliqing
 * 主页 http://www.tbuy.biz/
 * 你可以免费使用该软件，未经许可请勿作用于任何商业目的,如有技术问题请与本人联系！
 */

package biz.tbuy.bbs.bean;

import biz.tbuy.bbs.BBSGroups;
import biz.tbuy.common.Constants;
import biz.tbuy.common.Utils;
import biz.tbuy.common.logs.Elog;
import biz.tbuy.share.XmlOper;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.faces.component.UIData;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.w3c.dom.Text;

/**
 * @author huliqing
 * <p><b>qq：</b>31703299
 * <p><b>E-mail：</b><a href="mailto:[e-mail]">[e-mail]</a>
 * <p><b>Homepage：</b><a href="http://www.tbuy.biz/">http://www.tbuy.biz/</a>
 */
public class AdminGroups extends BaseBean{
    private String _groupId;    // 用户组id
    private String _groupLabel; // 用户组标识
    private String _groupValue; // 用户组所需积分
    
    private List<Map<String, String>> _groups;  // BBS的用户组列表
    private UIData _uiGroups;   // 绑定于用户组

    /** Creates a new instance of AdminGroups */
    public AdminGroups() {
        loadGroups();
    }
    
    public void setGroupId(String groupId) {
        _groupId = groupId;
    }
    
    public String getGroupId() {
        return _groupId;
    }
    
    public void setGroupLabel(String groupLabel) {
        _groupLabel = groupLabel;
    }
    
    public String getGroupLabel() {
        return _groupLabel;
    }
    
    public void setGroupValue(String groupValue) {
        _groupValue = groupValue;
    }
    
    public String getGroupValue() {
        return _groupValue;
    }
    
    public void setGroups(List<Map<String, String>> groups) {
        _groups = groups;
    }
    
    public List<Map<String, String>> getGroups() {
        return _groups;
    }
    
    public void setUiGroups(UIData uiGroups) {
        _uiGroups = uiGroups;
    }
    
    public UIData getUiGroups() {
        return _uiGroups;
    }
    
    /**
     * 创建一个新的BBS用户组
     */ 
    public String newGroup() {
        try {
            String appConfig = getComApplication().
                    getServletContextPath() + BBSGroups.PATH_APPCONFIG;
            Document doc = XmlOper.getDocument(appConfig);
            Element root = doc.getDocumentElement();
            Element groups1 = (Element)root.getElementsByTagName("groups").item(0);
            NodeList groups = groups1.getElementsByTagName("group");
            int len = groups.getLength();
            //System.out.println("id=" + id);
            for (int i = 0; i < len; i++) {
                Element gg = (Element)groups.item(i);
                String name = gg.getElementsByTagName("name").item(0).getTextContent();
                //System.out.println("name=" + name);
                if (_groupId.toLowerCase().trim().equals(name.toLowerCase())) {
                    Utils.addErrorMessage(getBundle(), "所要创建的用户组已经存在!");
                    return Constants.OUT_FAILURE;
                }
            }
            Element eGroup = doc.createElement("group");
            Element eName = doc.createElement("name");
            Element eLabel = doc.createElement("label");
            Element eValue = doc.createElement("value");
            Text tName = doc.createTextNode(_groupId.trim());
            Text tLabel = doc.createTextNode(_groupLabel);
            Text tValue = doc.createTextNode(_groupValue);
            eName.appendChild(tName);
            eLabel.appendChild(tLabel);
            eValue.appendChild(tValue);
            
            eGroup.appendChild(eName);
            eGroup.appendChild(eLabel);
            eGroup.appendChild(eValue);
            
            groups1.appendChild(eGroup);
            
            XmlOper.saveDocument(doc, appConfig);
            // 重新载入BBS用户组信息
            getBBSApplication().reloadGroups();
            loadGroups();
            _groupId = "";
            _groupLabel = "";
            _groupValue = "";
            Utils.addInfoMessage(getBundle(), "创建新用户组成功");
            return Constants.OUT_SUCCESS;
        }catch (Exception e) {
            Elog.log("Exception:AdminGroups:newGroup:" + e.getMessage());
            Utils.addErrorMessage(getBundle(), "新增用户组时遇到问题!");
            return Constants.OUT_FAILURE;
        }
    }

    /**
     * 编辑BBS用户组信息,然后重新载入用户组信息
     */ 
    public String edit() {
        try {
            String appConfig = getComApplication().
                    getServletContextPath() + BBSGroups.PATH_APPCONFIG;
            Document doc = XmlOper.getDocument(appConfig);
            Element root = doc.getDocumentElement();
            Element groups1 = (Element)root.getElementsByTagName("groups").item(0);
            NodeList groups = groups1.getElementsByTagName("group");
            int len = groups.getLength();
            for (Map<String, String> group : _groups) {
                String id = group.get("id");
                //System.out.println("id=" + id);
                for (int i = 0; i < len; i++) {
                    Element gg = (Element)groups.item(i);
                    String name = gg.getElementsByTagName("name").item(0).getTextContent();
                    //System.out.println("name=" + name);
                    if (id.equals(name)) {
                        gg.getElementsByTagName("label").item(0).setTextContent(group.get("label"));
                        gg.getElementsByTagName("value").item(0).setTextContent(group.get("value"));
                        break;
                    }
                }
            }
            XmlOper.saveDocument(doc, appConfig);
            // 重新载入BBS用户组信息
            getBBSApplication().reloadGroups();
            loadGroups();
            Utils.addInfoMessage(getBundle(), "用户组修改成功!");
            return Constants.OUT_SUCCESS;
        }catch (Exception e) {
            Elog.log("Exception:AdminGroups:edit:" + e.getMessage());
            Utils.addErrorMessage(getBundle(), "编辑用户组信息时遇到问题!");
            return Constants.OUT_FAILURE;
        }
    }
    
    /**
     * 移除一个BBS用户组，并重新载入用户组信息
     */ 
    public String removeGroup() {
        @SuppressWarnings("unchecked")
        Map<String, String> group = (Map<String, String>)_uiGroups.getRowData();
        if (group.get("id").equals("G1")) {
            Utils.addErrorMessage(getBundle(), "“G1”为默认用户组，你不应该删除它");
            return Constants.OUT_FAILURE;
        }
        try {
            String appConfig = getComApplication().
                    getServletContextPath() + BBSGroups.PATH_APPCONFIG;
            Document doc = XmlOper.getDocument(appConfig);
            Element root = doc.getDocumentElement();
            Element groups1 = (Element)root.getElementsByTagName("groups").item(0);
            NodeList groups = groups1.getElementsByTagName("group");
            int len = groups.getLength();
            for (int i = 0; i < len; i++) {
                Element gg = (Element)groups.item(i);
                String name = gg.getElementsByTagName("name").item(0).getTextContent();
                if (group.get("id").equals(name)) {
                    groups1.removeChild(gg);    // 移除相应节点
                    break;
                }
            }
            XmlOper.saveDocument(doc, appConfig);
            // 重新载入BBS用户组信息
            getBBSApplication().reloadGroups();
            loadGroups();
            Utils.addInfoMessage(getBundle(), "移除用户组成功");
            return Constants.OUT_SUCCESS;
        }catch (Exception e) {
            Elog.log("Exception:AdminGroups:newGroup:" + e.getMessage());
            Utils.addErrorMessage(getBundle(), "移除用户组时遇到问题!");
            return Constants.OUT_FAILURE;
        }
    }
    
    private void loadGroups() {
        _groups = new ArrayList<Map<String, String>>();
        Map<String, Map<String, String>> map = getBBSApplication().getGroups();
        Set<String> keys = map.keySet();
        for (String key : keys) {
            _groups.add(map.get(key));
        }
    }
}