/**
* Extracts the raw text from the HTML input, compressing its whitespace and removing all
* attributes, scripts, and styles.
*
* <p>For example, raw text returned by this method can be stored in a search index.
*
* @param html the HTML text
* @return the raw text from the HTML input, or <code>null</code> if the HTML input is <code>null
* </code>
*/
@Override
public String extractText(String html) {
if (html == null) {
return null;
}
Source source = new Source(html);
TextExtractor textExtractor = source.getTextExtractor();
return textExtractor.toString();
}
/**
* 根据html获取摘要文本(取100字以内),和img图片uuid(图片取3张)
*
* @param htmlcontent
* @return
*/
public static String[] getSummaryAndImgByHTML(String htmlcontent) {
if (StringUtils.isEmpty(htmlcontent)) {
return new String[] {null, null};
}
int summaryCount = 100;
int maxCount = 3;
// 不能替换导致多个空格被改成一个空格.
Source source = new Source(htmlcontent);
// Renderer renderer=source.getRenderer();
// 修改解析不彻底bug.<http://bbs.mobby.cn/wechat-login.html> <http://bbs.mobby.cn/wechat-login.html>
// 有的宝宝不会自己小便，经常尿湿裤子，每次幼儿园的老师都会告状“今天又尿裤子了”，听到这样的话家长也会比较尴尬。遇到这样的情况，家长该怎么办呢？
//
// renderer.setMaxLineLength(99999);//设置一行最长个数，默认76字符
// String text=renderer.toString();
TextExtractor textExtractor = new TextExtractor(source);
String text = textExtractor.toString();
List<Element> imglist = source.getAllElements(HTMLElementName.IMG);
String url =
ProjectProperties.getProperty(
"share_url_getEmot", "http://kd.wenjienet.com/px-rest/i/emoji/");
List listimguuids = new ArrayList();
for (Element img : imglist) {
String srcV = img.getAttributeValue("src");
if (StringUtils.contains(srcV, url)) { // 过滤表情
continue;
}
String imguuid = PxStringUtil.imgUrlToUuid(srcV);
if (StringUtils.isNotBlank(imguuid)) {
listimguuids.add(imguuid);
}
if (listimguuids.size() >= maxCount) break;
}
String summary = PxStringUtil.getSubString(text, summaryCount);
String imguuids = null;
if (listimguuids.size() > 0) imguuids = StringUtils.join(listimguuids, ',');
return new String[] {summary, imguuids};
}