org.apache.felix.fileinstall.internal

Class WatcherScanner

java.lang.Object

org.apache.felix.fileinstall.internal.Scanner

org.apache.felix.fileinstall.internal.WatcherScanner

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public class WatcherScanner
extends Scanner

Field Summary

Fields inherited from class org.apache.felix.fileinstall.internal.Scanner

SUBDIR_MODE_JAR, SUBDIR_MODE_RECURSE, SUBDIR_MODE_SKIP

Constructor Summary

Constructors

Constructor and Description
WatcherScanner(org.osgi.framework.BundleContext bundleContext, java.io.File directory, java.lang.String filterString, java.lang.String subdirMode) Create a scanner for the specified directory and file filter

Method Summary

Modifier and Type	Method and Description
void	close()
java.util.Set<java.io.File>	scan(boolean reportImmediately) Report a set of new, modified or deleted files.

Methods inherited from class org.apache.felix.fileinstall.internal.Scanner

getChecksum, initialize, updateChecksum

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

WatcherScanner

public WatcherScanner(org.osgi.framework.BundleContext bundleContext,
                      java.io.File directory,
                      java.lang.String filterString,
                      java.lang.String subdirMode)
               throws java.io.IOException

Create a scanner for the specified directory and file filter

Parameters:

directory - the directory to scan

filterString - a filter for file names

subdirMode - to use when scanning

Throws:

java.io.IOException

Method Detail

scan

public java.util.Set<java.io.File> scan(boolean reportImmediately)

Description copied from class: Scanner

Report a set of new, modified or deleted files. Modifications are checked against a computed checksum on some file attributes to detect any modification. Upon restart, such checksums are not known so that all files will be reported as modified.

Overrides:

scan in class Scanner

Parameters:

reportImmediately - report all files immediately without waiting for the checksum to be stable

Returns:

a list of changes on the files included in the directory

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Overrides:

close in class Scanner

Throws:

java.io.IOException