directory.java

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            throw new ErrMsgException(e.getMessage());
        }
        // 如果上传出错，则写相应的出错信息
        if (ret==-4 || ret==-3 ) {
            throw new ErrMsgException(fileupload.getErrMessage(request));
        } else {
            if (ret==fileupload.RET_SUCCESS) {
                // 使用随机名称写入磁盘
                fileupload.writeFile(true);
                Vector v = fileupload.getFiles();
                if (v.size()>0) {
                    FileInfo fi = (FileInfo) v.elementAt(0);
                    if (fi != null)
                        logo = fi.getDiskName();
                }
            }
        }

        String code = fileupload.getFieldValue("code");
        String name = fileupload.getFieldValue("name");
        if (code == null) {
            throw new ErrMsgException(SkinUtil.LoadString(request, "res.forum.Directory", "err_need_code"));
        }
        if (name==null) {
            throw new ErrMsgException(SkinUtil.LoadString(request, "res.forum.Directory", "err_need_name"));
        }

        Leaf leaf = getLeaf(code);

        String dellogo = StrUtil.getNullString(fileupload.getFieldValue("dellogo"));
        if (fileupload.getFiles().size()>0 || dellogo.equals("1")) {
            String lg = leaf.getLogo();
            // 如果原有文件存在，则删除文件
            if (lg!=null && !lg.equals("")) {
                try {
                    File file = new File(realpath + lg);
                    file.delete();
                }
                catch (Exception e) {
                    logger.info(e.getMessage());
                }
            }
        }

        String description = fileupload.getFieldValue("description");
        String ih = StrUtil.getNullString(fileupload.getFieldValue("isHome"));
        boolean isHome = ih.equals("true") ? true : false;
        String strtype = fileupload.getFieldValue("type");
        int type = Integer.parseInt(strtype);
        String theme = fileupload.getFieldValue("theme").trim();
        String skin = fileupload.getFieldValue("skin").trim();
        String locked = fileupload.getFieldValue("isLocked");
        int isLocked = Integer.parseInt(locked);
        String color = fileupload.getFieldValue("color");
        String strWebeditAllowType = fileupload.getFieldValue("webeditAllowType");
        int webeditAllowType = Leaf.WEBEDIT_ALLOW_TYPE_UBB_NORMAL;
        if (StrUtil.isNumeric(strWebeditAllowType))
            webeditAllowType = Integer.parseInt(strWebeditAllowType);
        String plugin2Code = StrUtil.getNullStr(fileupload.getFieldValue("plugin2Code"));
        String strCheckMsg = fileupload.getFieldValue("checkMsg");
        int checkMsg = StrUtil.toInt(strCheckMsg, 0);
        int delMode = StrUtil.toInt(fileupload.getFieldValue("delMode"), 0);
        int displayStyle = StrUtil.toInt(fileupload.getFieldValue("displayStyle"), Leaf.DISPLAY_STYLE_VERTICAL);

        String parentCode = fileupload.getFieldValue("parentCode");

        if (!parentCode.equals(leaf.getParentCode())) {
            // 节点不能改变其父节点为其子节点
            Leaf lf = getLeaf(parentCode); // 取得新的父节点
            while (lf!=null && !lf.getCode().equals(lf.CODE_ROOT)) {
                // 从parentCode节点往上遍历，如果找到leaf.getParentCode()则证明不合法
                String pCode = lf.getParentCode();
                if (pCode.equals(leaf.getCode()))
                    throw new ErrMsgException(SkinUtil.LoadString(request, "res.forum.Directory", "err_parent_code"));
                    // throw new ErrMsgException("不能将其子节点更改为父节点");
                lf = getLeaf(pCode);
            }
        }

        leaf.setName(name);
        leaf.setDescription(description);
        leaf.setIsHome(isHome);
        //logger.info("isHome:" + isHome);
        leaf.setType(type);
        leaf.setTheme(theme);
        leaf.setSkin(skin);
        leaf.setLocked(isLocked==1?true:false);

        if (dellogo.equals("1"))
            leaf.setLogo("");
        else if (fileupload.getFiles().size() > 0)
            leaf.setLogo(logo);

        leaf.setColor(color);
        leaf.setWebeditAllowType(webeditAllowType);
        leaf.setPlugin2Code(plugin2Code);
        leaf.setCheckMsg(checkMsg);
        leaf.setDelMode(delMode);
        leaf.setDisplayStyle(displayStyle);

        boolean re = false;
        if (parentCode.equals(leaf.getParentCode()))
            re = leaf.update();
        else
            re = leaf.updateParent(parentCode);
        return re;
    }

    public synchronized boolean move(HttpServletRequest request) throws
            ErrMsgException {
        String code = ParamUtil.get(request, "code", false);
        String direction = ParamUtil.get(request, "direction", false);
        if (code == null) {
            throw new ErrMsgException(SkinUtil.LoadString(request, "res.forum.Directory", "err_need_code"));
        }
        if ( direction == null ) {
            throw new ErrMsgException(SkinUtil.LoadString(request, "res.forum.Directory", "err_need_direction"));
        }

        Leaf lf = new Leaf(code);
        return lf.move(direction);
    }

    public Leaf getLeaf(String code) {
        Leaf leaf = new Leaf();
        return leaf.getLeaf(code);
    }

    public Leaf getBrother(String code, String direction) throws
            ErrMsgException {
        Leaf lf = getLeaf(code);
        return lf.getBrother(direction);
    }

    public Vector getChildren(String code) throws ErrMsgException {
        Leaf leaf = getLeaf(code);
        return leaf.getChildren();
    }

    /**
     * 取得菜单，以layer级目录为大标题，layer+1级目录为小标题
     * @param root_code String 所属的根目录
     */
    public Menu getMenu(String root_code) throws ErrMsgException {
        Directory dir = new Directory();
        Leaf leaf = dir.getLeaf(root_code);
        Menu menu = new Menu();
        MenuItem mi = new MenuItem();
        menu.addItem(mi);
        mi.setHeadLeaf(leaf);

        Vector children = leaf.getChildren();
        Iterator ir = children.iterator();
        while (ir.hasNext()) {
            Leaf lf = (Leaf) ir.next();
            mi.addChildLeaf(lf);
        }

        return menu;
    }

    /**
     * 修复因为BUG或者误操作致树形结构被破坏的问题
     */
    public void repairLeaf(Leaf lf) {
        Vector children = lf.getChildren();
        // 重置孩子节点数
        lf.setChildCount(children.size());
        Iterator ir = children.iterator();
        int orders = 1;
        while (ir.hasNext()) {
            Leaf lfch = (Leaf)ir.next();
            // 重置孩子节点的排列顺序
            lfch.setOrders(orders);
            System.out.println(getClass() + " leaf name=" + lfch.getName() + " orders=" + orders);

            lfch.update();
            orders ++;
        }
        // 重置层数
        int layer = 2;
        String parentCode = lf.getParentCode();
        while (!parentCode.equals(lf.CODE_ROOT)) {
            // System.out.println(getClass() + "leaf parentCode=" + parentCode);
            Leaf parentLeaf = getLeaf(parentCode);
            if (parentLeaf==null || !parentLeaf.isLoaded())
                break;
            else {
                parentCode = parentLeaf.getParentCode();
            }
            layer ++;
        }
        lf.setLayer(layer);
        lf.update();
    }

    // 修复根结点为leaf的树
    public void repairTree(Leaf leaf) throws Exception {
        // System.out.println(getClass() + "leaf name=" + leaf.getName());
        repairLeaf(leaf);
        Directory dir = new Directory();
        Vector children = dir.getChildren(leaf.getCode());
        int size = children.size();
        if (size == 0)
            return;

        Iterator ri = children.iterator();
        // 写跟贴
        while (ri.hasNext()) {
            Leaf childlf = (Leaf) ri.next();
            repairTree(childlf);
        }
        // 刷新缓存
        leaf.removeAllFromCache();
    }
}