Android Zip Unzip Directory compress(String path)

Description

compress

License

Open Source License

Declaration

@SuppressWarnings("UnusedDeclaration")
public static void compress(String path) throws Exception 

Method Source Code

import java.io.*;

import java.util.zip.GZIPOutputStream;

public class Main {
    private static final int BUFFER = 1024;
    private static final String EXT = ".gz";

    @SuppressWarnings("UnusedDeclaration")
    public static byte[] compress(byte[] data) {
        ByteArrayInputStream bais = new ByteArrayInputStream(data);
        ByteArrayOutputStream baos = new ByteArrayOutputStream();

        /*from w  w  w . ja  va  2 s .  c om*/
        compress(bais, baos);

        byte[] output = baos.toByteArray();

        try {
            baos.flush();
        } catch (IOException e) {
            System.out.println(e.getMessage());
        } finally {
            try {
                baos.close();
            } catch (IOException e) {
                
            }

            try {
                bais.close();
            } catch (IOException e) {
                
            }

        }

        return output;
    }

    @SuppressWarnings("UnusedDeclaration")
    public static void compress(File file) throws Exception {
        compress(file, true);
    }

    private static void compress(File file, boolean delete)
            throws Exception {
        FileInputStream fis = new FileInputStream(file);
        FileOutputStream fos = new FileOutputStream(file.getPath() + EXT);

        compress(fis, fos);

        fis.close();
        fos.flush();
        fos.close();

        if (delete) {
            
            file.delete();
        }
    }

    private static void compress(InputStream is, OutputStream os) {

        GZIPOutputStream gos = null;
        try {
            gos = new GZIPOutputStream(os);
            int count;
            byte data[] = new byte[BUFFER];
            while ((count = is.read(data, 0, BUFFER)) != -1) {
                gos.write(data, 0, count);
            }

            gos.finish();

            gos.flush();
        } catch (IOException e) {
            System.out.println(e.getMessage());
        } finally {
            try {
                if (gos != null) {
                    gos.close();
                }
            } catch (IOException e) {
                
            }
        }

    }

    @SuppressWarnings("UnusedDeclaration")
    public static void compress(String path) throws Exception {
        compress(path, true);
    }

    @SuppressWarnings("SameParameterValue")
    private static void compress(String path, boolean delete)
            throws Exception {
        File file = new File(path);
        compress(file, delete);
    }
}

Related

1. zipDirectory(File directory, File zip)
2. zipDirectory(File folder, String parentFolder, ZipOutputStream zos)
3. compress(String filePath, int width, int height)
4. compress(String paramString)
5. compress(String path)
6. compress(String path, boolean delete)
7. compress(String path, boolean delete)