TIKA - 从 ODF 中提取数据

下面是用于从 Open Office Document Format (ODF) 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.odf.OpenDocumentParser;
import org.apache.tika.sax.BodyContentHandler;

import org.xml.sax.SAXException;

public class OpenDocumentParse {

   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("example_open_document_presentation.odp"));
      ParseContext pcontext = new ParseContext();
      
      //Open Document Parser
      OpenDocumentParser openofficeparser = new OpenDocumentParser (); 
      openofficeparser.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)); 
      }
   }
}

将上述代码保存为OpenDocumentParse.java，并使用以下命令在命令提示符中编译代码 −

javac OpenDocumentParse.java
java OpenDocumentParse

下面是 example_open_document_presentation.odp 文件的快照。

该文档具有以下属性 −

编译程序后，将获得以下输出。

输出 −

Contents of the document:

Apache Tika
Apache Tika is a framework for content type detection and content extraction which was designed 
by Apache software foundation. It detects and extracts metadata and structured text content from 
different types of documents such as spreadsheets, text documents, images or PDFs including audio 
or video input formats to certain extent. 

Metadata of the document:

editing-cycles:   4
meta:creation-date:   2009-04-16T11:32:32.86
dcterms:modified:   2014-09-28T07:46:13.03
meta:save-date:   2014-09-28T07:46:13.03
Last-Modified:   2014-09-28T07:46:13.03
dcterms:created:   2009-04-16T11:32:32.86
date:   2014-09-28T07:46:13.03
modified:   2014-09-28T07:46:13.03
nbObject:   36
Edit-Time:   PT32M6S
Creation-Date:   2009-04-16T11:32:32.86
Object-Count:   36
meta:object-count:   36
generator:   OpenOffice/4.1.0$Win32 OpenOffice.org_project/410m18$Build-9764
Content-Type:   application/vnd.oasis.opendocument.presentation
Last-Save-Date:   2014-09-28T07:46:13.03