Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import android.util.*;
import java.io.*;

import java.util.zip.*;

public class Main {
    public static void compressAFileToZip(File zip, File source) throws IOException {
        Log.d("source: " + source.getAbsolutePath(), ", length: " + source.length());
        Log.d("zip:", zip.getAbsolutePath());
        zip.getParentFile().mkdirs();
        File tempFile = new File(zip.getAbsolutePath() + ".tmp");
        FileOutputStream fos = new FileOutputStream(tempFile);
        BufferedOutputStream bos = new BufferedOutputStream(fos);
        ZipOutputStream zos = new ZipOutputStream(bos);
        ZipEntry zipEntry = new ZipEntry(source.getName());
        zipEntry.setTime(source.lastModified());
        zos.putNextEntry(zipEntry);

        FileInputStream fis = new FileInputStream(source);
        BufferedInputStream bis = new BufferedInputStream(fis);
        byte[] bArr = new byte[4096];
        int byteRead = 0;
        while ((byteRead = bis.read(bArr)) != -1) {
            zos.write(bArr, 0, byteRead);
        }
        zos.flush();
        zos.closeEntry();
        zos.close();
        Log.d("zipEntry: " + zipEntry, "compressedSize: " + zipEntry.getCompressedSize());
        bos.flush();
        fos.flush();
        bos.close();
        fos.close();
        bis.close();
        fis.close();
        zip.delete();
        tempFile.renameTo(zip);
    }

    public static void close(Closeable closable) {
        if (closable != null) {
            try {
                closable.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    public static boolean delete(File file) {
        file.setWritable(true);
        try {
            if (!file.delete()) {
                FileOutputStream fos = new FileOutputStream(file);
                fos.write(0);
                fos.flush();
                fos.close();
            }
            Log.d("delete", "Deleted file: " + file + " successfully");
            return true;
        } catch (IOException e) {
            Log.d("delete", "The deleting file: " + file + " is not successfully", e);
            return false;
        }
    }

    private static void delete(File file, StringBuilder sb) {
        long length = file.length();
        boolean deleted = file.delete();
        if (deleted) {
            sb.append(file.getAbsolutePath() + " length " + length + " bytes, deleted.\r\n");
        } else {
            sb.append(file.getAbsolutePath() + " length " + length + " bytes, can't delete.\r\n");
        }
    }
}