org.jmxtrans.agent.util.io

Class IoUtils

java.lang.Object

org.jmxtrans.agent.util.io.IoUtils

public class IoUtils
extends Object

Author:

Cyrille Le Clerc

Field Summary

Fields

Modifier and Type	Field and Description
protected static Logger	logger

Method Summary

Modifier and Type	Method and Description
static void	appendToFile(File source, File destination, long maxFileSize, int maxBackupIndex)
static void	closeQuietly(Closeable closeable)
static void	closeQuietly(InputStream inputStream) Needed for old JVMs where InputStream does not implement Closeable.
static void	closeQuietly(URLConnection cnn)
static void	closeQuietly(Writer writer)
static void	copy(InputStream in, OutputStream out)
static Document	getFileAsDocument(Resource resource)
static long	getFileLastModificationDate(String filePath)
static boolean	isFileUrl(URL url)
static void	replaceFile(File source, File destination)
static void	rollFiles(File destination, int maxBackupIndex)
static boolean	validateDestinationFile(File source, File destination, long maxFileSize, int maxBackupIndex)

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected static final Logger logger

Method Detail

getFileLastModificationDate

public static long getFileLastModificationDate(@Nullable
                                               String filePath)
                                        throws IoRuntimeException

Parameters:

filePath - can be prefixed by "http://", "https://", "file://". If given value is not prefixed, "file://" is assumed.

Returns:

@return A long value representing the time the file was last modified, measured in milliseconds since the epoch (00:00:00 GMT, January 1, 1970), or 0L if the file does not exist, if an I/O error occurs or if the given filePath is null

Throws:

IoRuntimeException

getFileAsDocument

@Nonnull
public static Document getFileAsDocument(@Nonnull
                                                  Resource resource)
                                           throws IoRuntimeException

Throws:

IoRuntimeException

isFileUrl

public static boolean isFileUrl(URL url)

closeQuietly

public static void closeQuietly(URLConnection cnn)

closeQuietly

public static void closeQuietly(Closeable closeable)

closeQuietly

public static void closeQuietly(Writer writer)

closeQuietly

public static void closeQuietly(InputStream inputStream)

Needed for old JVMs where InputStream does not implement Closeable.

replaceFile

public static void replaceFile(File source,
                               File destination)
                        throws IOException

Throws:

IOException

appendToFile

public static void appendToFile(File source,
                                File destination,
                                long maxFileSize,
                                int maxBackupIndex)
                         throws IOException

Throws:

IOException

validateDestinationFile

public static boolean validateDestinationFile(File source,
                                              File destination,
                                              long maxFileSize,
                                              int maxBackupIndex)
                                       throws IOException

Throws:

IOException

rollFiles

public static void rollFiles(File destination,
                             int maxBackupIndex)
                      throws IOException

Throws:

IOException

copy

public static void copy(InputStream in,
                        OutputStream out)
                 throws IOException

Throws:

IOException