Hello,
I am trying to unzip XLSX file (yes, Excel) and to get to the data in XML files. The problems is that I cannot extract it.
Here it is:
If I launch that in Windows I get Access is Denied (message of Exception).
And here is example code I am using:
I am trying to unzip XLSX file (yes, Excel) and to get to the data in XML files. The problems is that I cannot extract it.
Here it is:
Code:
david-mac:oracle david$ java Unzip data.xlsx
Extracting file: [Content_Types].xml
Extracting file: _rels/.rels
Unhandled exception:
java.io.FileNotFoundException: _rels/.rels (No such file or directory)
at java.io.FileOutputStream.open(Native Method)
at java.io.FileOutputStream.<init>(FileOutputStream.java:179)
at java.io.FileOutputStream.<init>(FileOutputStream.java:70)
at Unzip.main(Unzip.java:123)
If I launch that in Windows I get Access is Denied (message of Exception).
And here is example code I am using:
import java.io.*;
import java.util.*;
import java.util.zip.*;
public class Unzip {
public static final 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);
in.close();
out.close();
}
public static final void main(String[] args) {
Enumeration entries;
ZipFile zipFile;
if(args.length != 1) {
System.err.println("Usage: Unzip zipfile");
return;
}
try {
zipFile = new ZipFile(args[0]);
entries = zipFile.entries();
while(entries.hasMoreElements()) {
ZipEntry entry = (ZipEntry)entries.nextElement();
if(entry.isDirectory()) {
// Assume directories are stored parents first then children.
System.err.println("Extracting directory: " + entry.getName());
// This is not robust, just for demonstration purposes.
(new File(entry.getName())).mkdirs();
continue;
}
System.err.println("Extracting file: " + entry.getName());
copyInputStream(zipFile.getInputStream(entry),
new BufferedOutputStream(new FileOutputStream(entry.getName())));
}
zipFile.close();
} catch (IOException ioe) {
System.err.println("Unhandled exception:");
ioe.printStackTrace();
return;
}
}
}