com.spun.util.io.ZipUtils Maven / Gradle / Ivy
package com.spun.util.io;
import com.spun.util.ObjectUtils;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.ArrayList;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
import java.util.zip.ZipOutputStream;
/**
* A static class of convenience functions for Files
**/
public class ZipUtils
{
public static File zipDirectory(String directory, String zipFileName)
{
return zipDirectory(new File(directory), new File(zipFileName));
}
public static File zipDirectory(File directory, File zipFileName)
{
return doCreateZipFile(FileUtils.getRecursiveFileList(directory), zipFileName);
}
public static File doCreateZipFile(File[] files, File zipFile)
{
try
{
byte[] buf = new byte[1024];
zipFile.getParentFile().mkdirs();
FileOutputStream fileOut = new FileOutputStream(zipFile);
ZipOutputStream out = new ZipOutputStream(fileOut);
// Compress the files
for (int i = 0; i < files.length; i++)
{
FileInputStream in = new FileInputStream(files[i]);
out.putNextEntry(new ZipEntry(files[i].getName()));
// Transfer bytes from the file to the ZIP file
int len;
while ((len = in.read(buf)) > 0)
{
out.write(buf, 0, len);
}
// Complete the entry
out.closeEntry();
in.close();
}
// Complete the ZIP file
out.close();
fileOut.close();
return zipFile;
}
catch (Exception e)
{
throw ObjectUtils.throwAsError(e);
}
}
public static File[] doUnzip(File destination, File zipFile)
{
try
{
ArrayList list = new ArrayList();
byte[] buf = new byte[1024];
FileInputStream fileIn = new FileInputStream(zipFile);
ZipInputStream in = new ZipInputStream(fileIn);
// DeCompress the files
ZipEntry entry = in.getNextEntry();
while (entry != null)
{
File file = new File(destination, entry.getName());
if (entry.isDirectory())
{
file.mkdirs();
}
else
{
list.add(file);
FileOutputStream out = new FileOutputStream(file);
// Transfer bytes from the file to the ZIP file
int len;
while ((len = in.read(buf)) > 0)
{
out.write(buf, 0, len);
}
// Complete the entry
in.closeEntry();
out.close();
}
entry = in.getNextEntry();
}
// Complete the ZIP file
in.close();
fileIn.close();
return list.toArray(new File[0]);
}
catch (Exception e)
{
throw ObjectUtils.throwAsError(e);
}
}
public static void main(String[] args)
{
zipDirectory("c:\\t", "c:\\t\\t.zip");
}
}