Question

我尝试从现有URL解析XML。

网址：http://www.sozcu.com.tr/2016/yazarlar/ugur-dundar/rss

try {
        URL url = new URL(urlAddress);
        DocumentBuilderFactory dFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder dBuilder = dFactory.newDocumentBuilder();
        InputSource ıo = new InputSource(url.openStream());
        Document document = (Document) dBuilder.parse(ıo);
        document.getDocumentElement().normalize();

        NodeList nodeList = document.getElementsByTagName("item");
        for (int i = 0; i < nodeList.getLength(); i++) {
            Node node = nodeList.item(i);
            Element mainElement = (Element) node;
            String link = getXMLAttributeValue("link", mainElement);
            String title = getXMLAttributeValue("title", mainElement);
            String desc = getXMLAttributeValue("desc",mainElement);

            sozcuArticle.add(new Sozcu(link, title, desc));
        }
    } catch (ParserConfigurationException | IOException | SAXException ex) {
        System.out.println(ex.getMessage());
    }

也是我的getXMLAttributeValue方法

public String getXMLAttributeValue(String tag, Element element) {
        NodeList nodeElement = element.getElementsByTagName(tag);
        Element Element = (Element) nodeElement.item(0);
        return Element.getChildNodes().item(0).getNodeValue();
    }

当我运行程序时。我正在异常。

[Fatal Error] :51:119: Attribute name "async" associated with an element type "script" must be followed by the ' = ' character.
Attribute name "async" associated with an element type "script" must be followed by the ' = ' character.
[Fatal Error] :5:409: Element type "n.length" must be followed by either attribute specifications, ">" or "/>".
Element type "n.length" must be followed by either attribute specifications, ">" or "/>".

我也在谷歌搜索但我找不到任何解决方案。如何解决这个问题。

感谢。

Answer 1

它们阻止或重定向使用默认java用户代理属性的客户端（类似于：Java / 1.8.0_71）。添加您自己的用户代理，它可以正常工作：

DocumentBuilder dBuilder = dFactory.newDocumentBuilder();
URLConnection uc = url.openConnection();
uc.setRequestProperty("User-Agent", "Karayel's rss reader");
Document document = (Document) dBuilder.parse(uc.getInputStream());

手动解析Feed非常繁琐且容易出错（您的getXMLAttributeValue方法会抛出NullPointerExceptions）。我建议你改用https://ngmap.github.io/之类的东西。

与元素类型“script”关联的属性名称“async”必须后跟“=”字符

1 个答案: