Java Code Examples for java.util.zip.ZipEntry#getTime()

static void testTimeConversions(long from, long to, long step) {
    ZipEntry ze = new ZipEntry("TestExtraTime.java");
    for (long time = from; time <= to; time += step) {
        ze.setTime(time);
        FileTime lastModifiedTime = ze.getLastModifiedTime();
        if (lastModifiedTime.toMillis() != time) {
            throw new RuntimeException("setTime should make getLastModifiedTime " +
                    "return the specified instant: " + time +
                    " got: " + lastModifiedTime.toMillis());
        }
        if (ze.getTime() != time) {
            throw new RuntimeException("getTime after setTime, expected: " +
                    time + " got: " + ze.getTime());
        }
    }
}
 

static void testTimeConversions(long from, long to, long step) {
    ZipEntry ze = new ZipEntry("TestExtraTime.java");
    for (long time = from; time <= to; time += step) {
        ze.setTime(time);
        FileTime lastModifiedTime = ze.getLastModifiedTime();
        if (lastModifiedTime.toMillis() != time) {
            throw new RuntimeException("setTime should make getLastModifiedTime " +
                    "return the specified instant: " + time +
                    " got: " + lastModifiedTime.toMillis());
        }
        if (ze.getTime() != time) {
            throw new RuntimeException("getTime after setTime, expected: " +
                    time + " got: " + ze.getTime());
        }
    }
}
 

static void testTimeConversions(long from, long to, long step) {
    ZipEntry ze = new ZipEntry("TestExtraTime.java");
    for (long time = from; time <= to; time += step) {
        ze.setTime(time);
        FileTime lastModifiedTime = ze.getLastModifiedTime();
        if (lastModifiedTime.toMillis() != time) {
            throw new RuntimeException("setTime should make getLastModifiedTime " +
                    "return the specified instant: " + time +
                    " got: " + lastModifiedTime.toMillis());
        }
        if (ze.getTime() != time) {
            throw new RuntimeException("getTime after setTime, expected: " +
                    time + " got: " + ze.getTime());
        }
    }
}
 

static void testTimeConversions(long from, long to, long step) {
    ZipEntry ze = new ZipEntry("TestExtraTime.java");
    for (long time = from; time <= to; time += step) {
        ze.setTime(time);
        FileTime lastModifiedTime = ze.getLastModifiedTime();
        if (lastModifiedTime.toMillis() != time) {
            throw new RuntimeException("setTime should make getLastModifiedTime " +
                    "return the specified instant: " + time +
                    " got: " + lastModifiedTime.toMillis());
        }
        if (ze.getTime() != time) {
            throw new RuntimeException("getTime after setTime, expected: " +
                    time + " got: " + ze.getTime());
        }
    }
}
 

/**
 * INTERNAL method that returns the build date of the current APK as a string, or null if
 * unable to determine it.
 *
 * @param context    A valid context. Must not be null.
 * @param dateFormat DateFormat to use to convert from Date to String
 * @return The formatted date, or "Unknown" if unable to determine it.
 */
private static String getBuildDateAsString(Context context, DateFormat dateFormat) {
    String buildDate;
    try {
        ApplicationInfo ai = context.getPackageManager().getApplicationInfo(context
                .getPackageName(), 0);
        ZipFile zf = new ZipFile(ai.sourceDir);
        ZipEntry ze = zf.getEntry("classes.dex");
        long time = ze.getTime();
        buildDate = dateFormat.format(new Date(time));
        zf.close();
    } catch (Exception e) {
        buildDate = "Unknown";
    }
    return buildDate;
}
 

static void testTimeConversions(long from, long to, long step) {
    ZipEntry ze = new ZipEntry("TestExtraTime.java");
    for (long time = from; time <= to; time += step) {
        ze.setTime(time);
        FileTime lastModifiedTime = ze.getLastModifiedTime();
        if (lastModifiedTime.toMillis() != time) {
            throw new RuntimeException("setTime should make getLastModifiedTime " +
                    "return the specified instant: " + time +
                    " got: " + lastModifiedTime.toMillis());
        }
        if (ze.getTime() != time) {
            throw new RuntimeException("getTime after setTime, expected: " +
                    time + " got: " + ze.getTime());
        }
    }
}
 

static void testTimeConversions(long from, long to, long step) {
    ZipEntry ze = new ZipEntry("TestExtraTime.java");
    for (long time = from; time <= to; time += step) {
        ze.setTime(time);
        FileTime lastModifiedTime = ze.getLastModifiedTime();
        if (lastModifiedTime.toMillis() != time) {
            throw new RuntimeException("setTime should make getLastModifiedTime " +
                    "return the specified instant: " + time +
                    " got: " + lastModifiedTime.toMillis());
        }
        if (ze.getTime() != time) {
            throw new RuntimeException("getTime after setTime, expected: " +
                    time + " got: " + ze.getTime());
        }
    }
}
 

public ZipContentLocation( ZipRepository repository, ZipContentLocation parent, ZipEntry zipEntry ) {
  if ( repository == null ) {
    throw new NullPointerException();
  }
  if ( parent == null ) {
    throw new NullPointerException();
  }
  if ( zipEntry == null ) {
    throw new NullPointerException();
  }

  this.repository = repository;
  this.parent = parent;
  this.entryName = IOUtils.getInstance().getFileName( zipEntry.getName() );
  this.comment = zipEntry.getComment();
  this.size = zipEntry.getSize();
  this.time = zipEntry.getTime();
  this.entries = new HashMap();
  this.name = RepositoryUtilities.buildName( this, "/" ) + '/';
}
 

/**
 * Get the build time of the current version of this application
 *
 * @param context any suitable context
 * @return build time as string (or "unknown" if error while retrieving), never null
 */
@NonNull
public static String getAppBuildTime(@NonNull Context context) {
    try {
        ApplicationInfo ai = context.getPackageManager().getApplicationInfo(context.getPackageName(), 0);
        ZipFile zf = new ZipFile(ai.sourceDir);
        ZipEntry ze = zf.getEntry("classes.dex");
        long time = ze.getTime();
        String s = SimpleDateFormat.getInstance().format(new java.util.Date(time));
        zf.close();

        return s;
    } catch (Exception e) {
        return "unknown";
    }
}
 

/**
 * @source http://stackoverflow.com/a/27050680
 */
public static void unzip(InputStream zipFile, File targetDirectory) throws Exception {
    ZipInputStream in = new ZipInputStream(new BufferedInputStream(zipFile));
    try {
        ZipEntry ze;
        int count;
        byte[] buffer = new byte[8192];
        while ((ze = in.getNextEntry()) != null) {
            File file = new File(targetDirectory, ze.getName());
            File dir = ze.isDirectory() ? file : file.getParentFile();
            if (!dir.isDirectory() && !dir.mkdirs()) {
                throw new Exception("Failed to ensure directory: " + dir.getAbsolutePath());
            }
            if (ze.isDirectory()) {
                continue;
            }
            BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(file));
            try {
                while ((count = in.read(buffer)) != -1)
                    out.write(buffer, 0, count);
            } finally {
                out.close();
            }
            long time = ze.getTime();
            if (time > 0) {
                file.setLastModified(time);
            }
        }
    } finally {
        in.close();
    }
}
 

static String zeString(ZipEntry ze) {
    int store = (ze.getCompressedSize() > 0) ?
        (int)( (1.0 - ((double)ze.getCompressedSize()/(double)ze.getSize()))*100 )
        : 0 ;
    // Follow unzip -lv output
    return ze.getSize() + "\t" + ze.getMethod()
        + "\t" + ze.getCompressedSize() + "\t"
        + store + "%\t"
        + new Date(ze.getTime()) + "\t"
        + Long.toHexString(ze.getCrc()) + "\t"
        + ze.getName() ;
}
 

public static void unzipFileToDirectory(File file, File destDir, boolean keepTimestamp) throws IOException {
    // create output directory if it doesn't exist
    if(!destDir.exists()) destDir.mkdirs();

    ZipFile zipFile = new ZipFile(file);
    Enumeration<? extends ZipEntry> entries = zipFile.entries();
    while(entries.hasMoreElements()){
        ZipEntry entry = entries.nextElement();
        if(entry.isDirectory()){
            new File(destDir, entry.getName()).mkdirs();
            continue;
        }

        InputStream inputStream = zipFile.getInputStream(entry);
        File destFile = new File(destDir, entry.getName());

        System.out.println("Unzipping to " + destFile.getAbsolutePath());
        FileUtils.copyInputStreamToFile(inputStream, destFile);
        IOUtils.closeQuietly(inputStream);

        if(keepTimestamp) {
            long time = entry.getTime();
            if (time > 0) {
                destFile.setLastModified(time);
            }
        }
    }

    zipFile.close();
}
 

public ZippedEntry(ZipEntry e, InputStream is) {
    this.name = e.getName();
    this.time = e.getTime();
    // this.mtime = e.getLastModifiedTime();
    // this.atime = e.getLastAccessTime();
    // this.ctime = e.getCreationTime();
    this.crc = e.getCrc();
    this.size = e.getSize();
    this.csize = e.getCompressedSize();
    this.method = e.getMethod();
    this.extra = e.getExtra();
    this.comment = e.getComment();
    this.is = is;
}
 

static String zeString(ZipEntry ze) {
    int store = (ze.getCompressedSize() > 0) ?
        (int)( (1.0 - ((double)ze.getCompressedSize()/(double)ze.getSize()))*100 )
        : 0 ;
    // Follow unzip -lv output
    return ze.getSize() + "\t" + ze.getMethod()
        + "\t" + ze.getCompressedSize() + "\t"
        + store + "%\t"
        + new Date(ze.getTime()) + "\t"
        + Long.toHexString(ze.getCrc()) + "\t"
        + ze.getName() ;
}
 

/**
 * Returns the last-modified time of the entry in the jar file.
 *
 * @param path full path to the jar entry
 * @return the length of the entry
 */
public long getLastModified(String path)
{
  try {
    // this entry time can cause problems ...
    ZipEntry entry = getZipEntry(path);

    return entry != null ? entry.getTime() : -1;
  } catch (IOException e) {
    log.log(Level.FINE, e.toString(), e);
  }

  return  -1;
}
 

static String zeString(ZipEntry ze) {
    int store = (ze.getCompressedSize() > 0) ?
        (int)( (1.0 - ((double)ze.getCompressedSize()/(double)ze.getSize()))*100 )
        : 0 ;
    // Follow unzip -lv output
    return ze.getSize() + "\t" + ze.getMethod()
        + "\t" + ze.getCompressedSize() + "\t"
        + store + "%\t"
        + new Date(ze.getTime()) + "\t"
        + Long.toHexString(ze.getCrc()) + "\t"
        + ze.getName() ;
}
 

/**
 * 返回编译时间
 * 
 * @return -1: unknown time.
 */
public static long getBuildTime(Context ctx) {
    try {
        ApplicationInfo ai = ctx.getApplicationInfo();
        ZipFile zf = new ZipFile(ai.sourceDir);
        ZipEntry ze = zf.getEntry("classes.dex");
        long time = ze.getTime();
        zf.close();
        return time;
    } catch (Exception e) {
        return -1;
    }
}
 

public ZipContentItem( final ZipRepository repository,
                       final ZipContentLocation parent,
                       final ZipEntry zipEntry,
                       final byte[] bytes ) {
  if ( repository == null ) {
    throw new NullPointerException();
  }
  if ( zipEntry == null ) {
    throw new NullPointerException();
  }
  if ( bytes == null ) {
    throw new NullPointerException();
  }
  if ( parent == null ) {
    throw new NullPointerException();
  }

  this.parent = parent;
  this.repository = repository;
  this.comment = zipEntry.getComment();
  this.name = RepositoryUtilities.buildName( this, "/" );
  this.entryName = IOUtils.getInstance().getFileName( name );
  this.size = zipEntry.getSize();
  this.crc32 = zipEntry.getCrc();
  this.time = zipEntry.getTime();
  this.rawData = bytes;
  final int method = zipEntry.getMethod();
  if ( method == ZipEntry.STORED || method == ZipEntry.DEFLATED ) {
    this.method = new Integer( method );
  } else {
    this.method = new Integer( ZipEntry.DEFLATED );
  }
  this.compression = Deflater.DEFAULT_COMPRESSION;
}
 

private void updateMetaData( final ZipEntry zipEntry ) {
  this.comment = zipEntry.getComment();
  this.size = zipEntry.getSize();
  this.time = zipEntry.getTime();
}
 

public long lastModified() {
    ZipEntry entry = parent.getZip().getEntry(relPath);
    return entry == null ? 0 : entry.getTime();
}