Question

I wrote some code using ZipInputStream but there is something wrong with it.

ZipInputStream zin=null;
zin=new ZipInputStream(new BufferedInputStream(
    new FileInputStream("e:/testzip.zip")));
ZipEntry ze;
while((ze=zin.getNextEntry())!=null) {

     System.out.println("readfile"+ze.getName());

     int c=0;

     while((c=zin.read())>0) {
       System.out.write(c);
     }
 }
 zin.close();

There are 3 text files in the testzip.zip. That is, the right output should be the three file names and their contents. However, my output are 3 file names and 2 of their contents. Why only 2 contents, rather than 3?

Answer 1

I made a zip with 3 textfiles in; the fact that they are textfiles is important for the following code to work. I read all entries and write out it’s names and contents:

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;

public class Main {

    public static void main(String[] args) throws Exception {
        ZipFile zipFile = new ZipFile("D:\\zip.zip");
        Enumeration<? extends ZipEntry> entries = zipFile.entries();
        while(entries.hasMoreElements()) {
            ZipEntry zipEntry = entries.nextElement();
            System.out.println(zipEntry.getName());
            BufferedReader bufferedeReader = new BufferedReader(new InputStreamReader(zipFile.getInputStream(zipEntry)));
            String line = bufferedeReader.readLine();
            while(line != null) {
                System.out.println(line);
                line = bufferedeReader.readLine();
            }
            bufferedeReader.close();
        }
        zipFile.close();
    }

}