7

是否可以使用 Tika 从 URL 中提取文本?任何链接将不胜感激。或者 TIKA 只能用于 pdf、word 和任何其他媒体文件?

4

4 回答 4

7

检查文档- 是的,你可以。

例子

java -jar tika-app-0.9.jar -t http://stackoverflow.com/questions/6656849/extract-the-text-from-url-using-tika

将向您显示此页面上的文本。

于 2011-07-11T21:40:16.373 回答
6

这是来自清醒的:

InputStream input = new FileInputStream(new File(resourceLocation));
ContentHandler textHandler = new BodyContentHandler();
Metadata metadata = new Metadata();
PDFParser parser = new PDFParser();
parser.parse(input, textHandler, metadata);
input.close();
out.println("Title: " + metadata.get("title"));
out.println("Author: " + metadata.get("Author"));
out.println("content: " + textHandler.toString());

PDFParser您可以使用 TikaAutoDetectParser自动处理不同类型的文件,而不是创建一个:

Parser parser = new AutoDetectParser();
于 2011-08-23T19:54:56.810 回答
3

是的,你可以这么做。这是代码。此代码使用 apache http 客户端

HttpGet httpget = new HttpGet("http://url.here"); 
    HttpEntity entity = null;
    HttpClient client = new DefaultHttpClient();
    HttpResponse response = client.execute(httpget);
    entity = response.getEntity();
    if (entity != null) {
        InputStream instream = entity.getContent();
        BodyContentHandler handler = new BodyContentHandler();
        Metadata metadata = new Metadata();
        Parser parser = new AutoDetectParser();
        parser.parse( instream, handler, metadata, new ParseContext());
        String plainText = handler.toString();
        FileWriter writer = new FileWriter( "/scratch/cache/output.txt");
        writer.write( plainText );
        writer.close();
        System.out.println( "done");
    }
于 2012-03-25T20:40:47.877 回答
1

要从 URL 而非本地文件中提取内容,请使用以下代码:

    byte[] raw = content.getContent();
    ContentHandler handler = new BodyContentHandler();
    Metadata metadata = new Metadata();
    Parser parser = new AutoDetectParser();
    parser.parse(new ByteArrayInputStream(raw), handler, metadata, new ParseContext());
    LOG.info("content: " + handler.toString());
于 2012-02-14T06:52:53.697 回答