ReadZipFile.java

ReadZipFile.java

package com.gc.fiscaliza;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.List;
import java.util.StringTokenizer;
import java.util.TreeMap;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
import java.util.zip.ZipOutputStream;

import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;

@Component
public class Disco {	
	
	public void salvarArquivo(MultipartFile arquivo) {
		
		TreeMap<String, byte[]> map = new TreeMap<String, byte[]>();
		try {
			ZipInputStream zis = new ZipInputStream(arquivo.getInputStream());
			
						
			byte buf[] = new byte[100 * 1024];
			ZipEntry entry;
			while ((entry = zis.getNextEntry()) != null) {
				int read = 0;
				ByteArrayOutputStream baos = new ByteArrayOutputStream();
				while ((read = zis.read(buf, 0, buf.length)) != -1)  {
					baos.write(buf, 0, read);
				}
				baos.flush();				
				if (!entry.isDirectory()) {
					map.put(entry.getName(), baos.toByteArray());
				}
				// map.put(entry.getName(), baos.toByteArray());
				baos.close();
			}
			zis.close();
			byte b[] = map.firstEntry().getValue();
			
			BufferedReader bfReader = null;
			ByteArrayInputStream is = new ByteArrayInputStream(b);
			bfReader = new BufferedReader(new InputStreamReader(is));
			String temp = null;
			
			List<String> tokens = new ArrayList<>();
		    // String currLine = "";
		    StringTokenizer tokenizer; 
			
            while((temp = bfReader.readLine()) != null){
            	//temp.getBytes(StandardCharsets.UTF_8);
            	tokenizer = new StringTokenizer( temp , ";" );
            	
            	 while (tokenizer.hasMoreElements()) {
 	                tokens.add(tokenizer.nextToken());
            	 }            	 
                System.out.println(new String(temp.getBytes(Charset.forName("LATIN1"))));
            	 
            }
            // System.out.println(tokens);
            
			
//			for(int x = 0; x < b.length; x++) {
//		         // printing the characters
//		         System.out.print((char)b[x]);
//		    }
			// System.out.println(map.keySet().size());
			// System.out.println(map.firstEntry().getValue());
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		
		
//		for (byte letra : map.get("PB1.csv")){
//			System.out.print((char)letra);
//		}
	}

}