package com.mengyao.tika.app;

import java.io.File;

import java.io.FileInputStream;

import org.apache.tika.metadata.Metadata;

import org.apache.tika.parser.ParseContext;

import org.apache.tika.parser.jpeg.JpegParser;

import org.apache.tika.sax.BodyContentHandler;

public class JpegApp {

    public static void main(final String[] args) throws Exception {

        // Tika默认是10*1024*1024，这里防止文件过大导致Tika报错

        BodyContentHandler handler = new BodyContentHandler(1024 * 1024 * 10);

        Metadata metadata = new Metadata();

        FileInputStream inputstream = new FileInputStream(new File("D:/无标题.jpg"));

        ParseContext pcontext = new ParseContext();

        // 解析JPEG文件时应由超类AbstractParser的派生类JpegParser实现

        JpegParser msofficeparser = new JpegParser();

        msofficeparser.parse(inputstream, handler, metadata, pcontext);

        // 获取JPEG文件的内容

        System.out.println("JPEG文件内容:" + handler.toString());

        // 获取JPEG文件的元数据

        System.out.println("JPEG文件元数据:");

        String[] metadataNames = metadata.names();

        for (String name : metadataNames) {

            System.out.println(name + " : " + metadata.get(name));

        }

    }

}