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package test.util;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import java.util.zip.ZipOutputStream;
public class ZipStripper {
public static void main(String[] args) {
try {
String sourceFileName = args[0];
File sourceFile = new File(sourceFileName);
File tempFile = new File(sourceFile.getParentFile(), "tmp31415926535.zip");
tempFile.createNewFile();
ZipOutputStream outTemp = new ZipOutputStream(new FileOutputStream(tempFile));
ZipFile archive = new ZipFile(sourceFile);
Enumeration<? extends ZipEntry> en = archive.entries();
while(en.hasMoreElements()) {
ZipEntry entr = en.nextElement();
outTemp.putNextEntry(new ZipEntry(entr.getName()));
if(!entr.isDirectory()) {
InputStream in = archive.getInputStream(entr);
copyInputStream(in, outTemp);
in.close();
}
}
outTemp.flush();
outTemp.close();
archive.close();
String destFileName = args[1];
if(sourceFileName.equals(destFileName)) {
sourceFile.delete();
}
tempFile.renameTo(new File(destFileName));
} catch(Exception ex) {
ex.printStackTrace();
}
}
public static void copyInputStream(InputStream in, OutputStream out)throws IOException {
byte[] buffer = new byte[1024];
int len;
while((len = in.read(buffer)) >= 0) {
out.write(buffer, 0, len);
}
}
}
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