Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
import android.content.Context;
import android.os.Environment;
import android.util.Log;

public class Main {
    public static boolean unzipFile(Context context) {
        try {
            InputStream is = context.getAssets().open("tessdata.zip");
            boolean result = unzipFile(is, dstPath(context) + File.separator + "tessdata");
            return result;
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return false;
    }

    public static boolean unzipFile(InputStream fis, String destDir) {
        final byte[] buffer = new byte[4096];
        ZipInputStream zis = null;
        Log.e("Unzip", "destDir = " + destDir);
        try {
            // make sure the directory is existent
            File dstFile = new File(destDir);
            if (!dstFile.exists()) {
                dstFile.mkdirs();
            } else {
                int fileLenght = dstFile.listFiles().length;
                if (fileLenght >= 2) {
                    return true;
                }
            }
            zis = new ZipInputStream(fis);
            ZipEntry entry;

            while ((entry = zis.getNextEntry()) != null) {
                String fileName = entry.getName();

                if (entry.isDirectory()) {
                    new File(destDir, fileName).mkdirs();

                } else {
                    BufferedOutputStream bos = new BufferedOutputStream(
                            new FileOutputStream(new File(destDir, fileName)));
                    int lenRead;

                    while ((lenRead = zis.read(buffer)) != -1) {
                        bos.write(buffer, 0, lenRead);
                    }

                    bos.close();
                }

                zis.closeEntry();
            }

            return true;

        } catch (IOException e) {
            e.printStackTrace();

        } finally {
            if (zis != null) {
                try {
                    zis.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return false;
    }

    public static String dstPath(Context context) {
        String cachePath;
        if (Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())) {
            cachePath = context.getExternalCacheDir().getPath();
        } else {
            cachePath = context.getCacheDir().getPath();
        }
        return cachePath;
    }
}