Java Code Examples for java.nio.file.attribute.FileTime#from()

static void eq(long v1, TimeUnit u1, long v2, TimeUnit u2) {
    FileTime t1 = FileTime.from(v1, u1);
    FileTime t2 = FileTime.from(v2, u2);
    if (!t1.equals(t2))
        throw new RuntimeException("not equal");
    if (t1.hashCode() != t2.hashCode())
        throw new RuntimeException("hashCodes should be equal");
}
 

static void eq(long v1, TimeUnit u1, long v2, TimeUnit u2) {
    FileTime t1 = FileTime.from(v1, u1);
    FileTime t2 = FileTime.from(v2, u2);
    if (!t1.equals(t2))
        throw new RuntimeException("not equal");
    if (t1.hashCode() != t2.hashCode())
        throw new RuntimeException("hashCodes should be equal");
}
 

public static void main(String[] args) throws Throwable{

        File src = new File(System.getProperty("test.src", "."), "TestExtraTime.java");
        if (src.exists()) {
            long time = src.lastModified();
            FileTime mtime = FileTime.from(time, TimeUnit.MILLISECONDS);
            FileTime atime = FileTime.from(time + 300000, TimeUnit.MILLISECONDS);
            FileTime ctime = FileTime.from(time - 300000, TimeUnit.MILLISECONDS);
            TimeZone tz = TimeZone.getTimeZone("Asia/Shanghai");

            for (byte[] extra : new byte[][] { null, new byte[] {1, 2, 3}}) {
                test(mtime, null, null, null, extra);
                // ms-dos 1980 epoch problem
                test(FileTime.from(10, TimeUnit.MILLISECONDS), null, null, null, extra);
                // non-default tz
                test(mtime, null, null, tz, extra);

                test(mtime, atime, null, null, extra);
                test(mtime, null, ctime, null, extra);
                test(mtime, atime, ctime, null, extra);

                test(mtime, atime, null, tz, extra);
                test(mtime, null, ctime, tz, extra);
                test(mtime, atime, ctime, tz, extra);
            }
        }

        testNullHandling();
        testTimeConversions();
    }
 

int testLastModified(Path local, ICloud.MBSFile remote) throws IOException {
    FileTime localTimestamp = Files.getLastModifiedTime(local);
    FileTime remoteTimestamp = FileTime.from(remote.getAttributes().getLastModified(), TimeUnit.SECONDS);
    int comparision = localTimestamp.compareTo(remoteTimestamp);

    logger.debug("-- testLastModified() < comparision: {} local: {} remote: {} file: {}",
            comparision, localTimestamp, remoteTimestamp, remote.getRelativePath());
    return comparision;
}
 

@Override
public FileTime creationTime() {
  return FileTime.from(this.fileStatus.getModificationTime(),
      TimeUnit.MILLISECONDS);
}
 

/**
 * Converts Windows time (in microseconds, UTC/GMT) time to FileTime.
 */
public static final FileTime winTimeToFileTime(long wtime) {
    return FileTime.from(wtime / 10 + WINDOWS_EPOCH_IN_MICROSECONDS,
                         TimeUnit.MICROSECONDS);
}
 

/**
 * Converts "standard Unix time"(in seconds, UTC/GMT) to FileTime
 */
public static final FileTime unixTimeToFileTime(long utime) {
  return FileTime.from(utime, TimeUnit.SECONDS);
}
 

static void neq(Instant ins, long v2, TimeUnit u2) {
    FileTime t1 = FileTime.from(ins);
    FileTime t2 = FileTime.from(v2, u2);
    if (t1.equals(t2))
        throw new RuntimeException("should not be equal");
}
 

/**
 * Converts "standard Unix time"(in seconds, UTC/GMT) to FileTime
 */
public static final FileTime unixTimeToFileTime(long utime) {
    return FileTime.from(utime, TimeUnit.SECONDS);
}
 

/**
 * Converts "standard Unix time"(in seconds, UTC/GMT) to FileTime
 */
public static final FileTime unixTimeToFileTime(long utime) {
    return FileTime.from(utime, TimeUnit.SECONDS);
}
 

public FileTime getModifyTime()
{

	return FileTime.from(modifytime, TimeUnit.SECONDS);
}
 

/**
 * Converts "standard Unix time"(in seconds, UTC/GMT) to FileTime
 */
public static final FileTime unixTimeToFileTime(long utime) {
    return FileTime.from(utime, TimeUnit.SECONDS);
}
 

static void neq(Instant ins, long v2, TimeUnit u2) {
    FileTime t1 = FileTime.from(ins);
    FileTime t2 = FileTime.from(v2, u2);
    if (t1.equals(t2))
        throw new RuntimeException("should not be equal");
}
 

public static boolean set(Path path, long timestamp) throws UncheckedIOException {
    FileTime fileTime = FileTime.from(timestamp, TimeUnit.SECONDS);
    return FileTimestamp.set(path, fileTime);
}
 

/**
 * Returns the last modification time of the entry.
 *
 * <p> If the entry is read from a ZIP file or ZIP file formatted
 * input stream, this is the last modification time from the zip
 * file entry's {@code optional extra data} if the extended timestamp
 * fields are present. Otherwise the last modification time is read
 * from the entry's {@code date and time fields}, the {@link
 * java.util.TimeZone#getDefault() default TimeZone} is used to convert
 * the standard MS-DOS formatted date and time to the epoch time.
 *
 * @return The last modification time of the entry, null if not specified
 *
 * @see #setLastModifiedTime(FileTime)
 * @since 1.8
 */
public FileTime getLastModifiedTime() {
    if (mtime != null)
        return mtime;
    if (xdostime == -1)
        return null;
    return FileTime.from(getTime(), TimeUnit.MILLISECONDS);
}
 

/**
 * Sets the last modification time of the entry.
 *
 * <p> If the entry is output to a ZIP file or ZIP file formatted
 * output stream the last modification time set by this method will
 * be stored into the {@code date and time fields} of the zip file
 * entry and encoded in standard {@code MS-DOS date and time format}.
 * The {@link java.util.TimeZone#getDefault() default TimeZone} is
 * used to convert the epoch time to the MS-DOS data and time.
 *
 * @param  time
 *         The last modification time of the entry in milliseconds
 *         since the epoch
 *
 * @see #getTime()
 * @see #getLastModifiedTime()
 */
public void setTime(long time) {
    this.xdostime = javaToExtendedDosTime(time);
    // Avoid setting the mtime field if time is in the valid
    // range for a DOS time
    if (xdostime != DOSTIME_BEFORE_1980 && time <= UPPER_DOSTIME_BOUND) {
        this.mtime = null;
    } else {
        this.mtime = FileTime.from(time, TimeUnit.MILLISECONDS);
    }
}
 

/**
 * Returns the last modification time of the entry.
 *
 * <p> If the entry is read from a ZIP file or ZIP file formatted
 * input stream, this is the last modification time from the zip
 * file entry's {@code optional extra data} if the extended timestamp
 * fields are present. Otherwise the last modification time is read
 * from the entry's {@code date and time fields}, the {@link
 * java.util.TimeZone#getDefault() default TimeZone} is used to convert
 * the standard MS-DOS formatted date and time to the epoch time.
 *
 * @return The last modification time of the entry, null if not specified
 *
 * @see #setLastModifiedTime(FileTime)
 * @since 1.8
 */
public FileTime getLastModifiedTime() {
    if (mtime != null)
        return mtime;
    if (xdostime == -1)
        return null;
    return FileTime.from(getTime(), TimeUnit.MILLISECONDS);
}
 

/**
 * Sets the last modification time of the entry.
 *
 * <p> If the entry is output to a ZIP file or ZIP file formatted
 * output stream the last modification time set by this method will
 * be stored into the {@code date and time fields} of the zip file
 * entry and encoded in standard {@code MS-DOS date and time format}.
 * The {@link java.util.TimeZone#getDefault() default TimeZone} is
 * used to convert the epoch time to the MS-DOS data and time.
 *
 * @param  time
 *         The last modification time of the entry in milliseconds
 *         since the epoch
 *
 * @see #getTime()
 * @see #getLastModifiedTime()
 */
public void setTime(long time) {
    this.xdostime = javaToExtendedDosTime(time);
    // Avoid setting the mtime field if time is in the valid
    // range for a DOS time
    if (xdostime != DOSTIME_BEFORE_1980 && time <= UPPER_DOSTIME_BOUND) {
        this.mtime = null;
    } else {
        this.mtime = FileTime.from(time, TimeUnit.MILLISECONDS);
    }
}
 

/**
 * Returns the last modification time of the entry.
 *
 * <p> If the entry is read from a ZIP file or ZIP file formatted
 * input stream, this is the last modification time from the zip
 * file entry's {@code optional extra data} if the extended timestamp
 * fields are present. Otherwise the last modification time is read
 * from the entry's {@code date and time fields}, the {@link
 * java.util.TimeZone#getDefault() default TimeZone} is used to convert
 * the standard MS-DOS formatted date and time to the epoch time.
 *
 * @return The last modification time of the entry, null if not specified
 *
 * @see #setLastModifiedTime(FileTime)
 * @since 1.8
 */
public FileTime getLastModifiedTime() {
    if (mtime != null)
        return mtime;
    if (xdostime == -1)
        return null;
    return FileTime.from(getTime(), TimeUnit.MILLISECONDS);
}
 

/**
 * Returns the last modification time of the entry.
 *
 * <p> If the entry is read from a ZIP file or ZIP file formatted
 * input stream, this is the last modification time from the zip
 * file entry's {@code optional extra data} if the extended timestamp
 * fields are present. Otherwise the last modification time is read
 * from the entry's {@code date and time fields}, the {@link
 * java.util.TimeZone#getDefault() default TimeZone} is used to convert
 * the standard MS-DOS formatted date and time to the epoch time.
 *
 * @return The last modification time of the entry, null if not specified
 *
 * @see #setLastModifiedTime(FileTime)
 * @since 1.8
 */
public FileTime getLastModifiedTime() {
    if (mtime != null)
        return mtime;
    if (xdostime == -1)
        return null;
    return FileTime.from(getTime(), TimeUnit.MILLISECONDS);
}