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 /**
 * 解析一個Html頁面,返回一個Html頁面類.
 *
 * @param resource 文件路徑或者網(wǎng)址
 */
    public static SearchHtmlPage parseHtmlPage(String resource)
    {
        String title = "";
        String body = "";
        try
        {
            Parser myParser = new Parser(resource);

            //設(shè)置編碼:根據(jù)實際情況修改
            myParser.setEncoding("GBK");

            HtmlPage visitor = new HtmlPage(myParser);

            myParser.visitAllNodesWith(visitor);

            title = visitor.getTitle();

            body = combineNodeText(visitor.getBody().toNodeArray());
        }
        catch (ParserException e)
        {
            LogMan.error("Parse Html Page " + resource + " Error!");
        }

        SearchHtmlPage result = new SearchHtmlPage(title, body);

        return result;
    }

    /**
     * 解析Html內(nèi)容,得到普通文本和鏈接的內(nèi)容.
     *
     * @param content 要解析的內(nèi)容
     * @return 返回解析后的內(nèi)容
     */
    public static String parseHtmlContent(String content)
    {
        Parser myParser;
        NodeList nodeList = null;

        myParser = Parser.createParser(content, "GBK");

        NodeFilter textFilter = new NodeClassFilter(TextNode.class);
        NodeFilter linkFilter = new NodeClassFilter(LinkTag.class);

        //暫時不處理 meta
        //NodeFilter metaFilter = new NodeClassFilter(MetaTag.class);

        OrFilter lastFilter = new OrFilter();
        lastFilter.setPredicates(new NodeFilter[] { textFilter, linkFilter });

        try
        {
            nodeList = myParser.parse(lastFilter);
        }
        catch (ParserException e)
        {
            LogMan.warn("Parse Content Error", e);
        }

        //中場退出了
        if (null == nodeList)
        {
            return "";
        }

        Node[] nodes = nodeList.toNodeArray();

        String result = combineNodeText(nodes);
        return result;
    }

 //合并節(jié)點(diǎn)的有效內(nèi)容
    private static String combineNodeText(Node[] nodes)
    {
        StringBuffer result = new StringBuffer();

        for (int i = 0; i < nodes.length; i++)
        {
            Node anode = (Node) nodes[i];

            String line = "";
            if (anode instanceof TextNode)
            {
                TextNode textnode = (TextNode) anode;
                //line = textnode.toPlainTextString().trim();
                line = textnode.getText();
            }
            else if (anode instanceof LinkTag)
            {
                LinkTag linknode = (LinkTag) anode;

                line = linknode.getLink();
                //過濾jsp標(biāo)簽
                line = StringFunc.replace(line, "<%.*%>", "");
            }

            if (StringFunc.isTrimEmpty(line)) continue;

            result.append(" ").append(line);
        }

        return result.toString();
    }