📜  TIKA-提取XML文档

📅  最后修改于: 2020-11-10 04:31:40             🧑  作者: Mango


下面给出的是从XML文档提取内容和元数据的程序-

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;

import org.apache.tika.exception.TikaException;
import org.apache.tika.metadata.Metadata;
import org.apache.tika.parser.ParseContext;
import org.apache.tika.parser.xml.XMLParser;
import org.apache.tika.sax.BodyContentHandler;

import org.xml.sax.SAXException;

public class XmlParse {

   public static void main(final String[] args) throws IOException,SAXException, TikaException {

      //detecting the file type
      BodyContentHandler handler = new BodyContentHandler();
      Metadata metadata = new Metadata();
      FileInputStream inputstream = new FileInputStream(new File("pom.xml"));
      ParseContext pcontext = new ParseContext();
      
      //Xml parser
      XMLParser xmlparser = new XMLParser(); 
      xmlparser.parse(inputstream, handler, metadata, pcontext);
      System.out.println("Contents of the document:" + handler.toString());
      System.out.println("Metadata of the document:");
      String[] metadataNames = metadata.names();
      
      for(String name : metadataNames) {
         System.out.println(name + ": " + metadata.get(name));
      }
   }
}

将以上代码另存为XmlParse.java ,并使用以下命令在命令提示符下进行编译-

javac XmlParse.java
java XmlParse 

下面给出的是example.xml文件的快照

XML文件

本文档具有以下属性-

XML文档1

如果执行上述程序,它将为您提供以下输出-

输出

Contents of the document:
  
4.0.0
org.apache.tika
tika
1.6
org.apache.tika
tika-core
1.6
org.apache.tika
tika-parsers
1.6
src
maven-compiler-plugin
3.1
1.7
1.7

Metadata of the document:

Content-Type:   application/xml