com.netflix.priam.utils

Class SystemUtils

java.lang.Object

com.netflix.priam.utils.SystemUtils

public class SystemUtils
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
SystemUtils()

Method Summary

Modifier and Type	Method and Description
static void	cleanupDir(java.lang.String dirPath, java.util.List<java.lang.String> childdirs) delete all the files/dirs in the given Directory but dont delete the dir itself.
static void	closeQuietly(javax.management.remote.JMXConnector jmc)
static void	closeQuietly(JMXNodeTool tool)
static void	createDirs(java.lang.String location)
static java.lang.String	getDataFromUrl(java.lang.String url)
static byte[]	md5(byte[] buf)
static java.lang.String	md5(java.io.File file) Calculate the MD5 hashsum of the given file.
static java.io.BufferedReader	readFile(java.lang.String absPathToFile)
static java.lang.String	toBase64(byte[] md5)
static java.lang.String	toHex(byte[] digest)
static void	writeToFile(java.lang.String filename, java.lang.String line)

Methods inherited from class java.lang.Object

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

Constructor Detail

SystemUtils

public SystemUtils()

Method Detail

getDataFromUrl

public static java.lang.String getDataFromUrl(java.lang.String url)

cleanupDir

public static void cleanupDir(java.lang.String dirPath,
                              java.util.List<java.lang.String> childdirs)
                       throws java.io.IOException

delete all the files/dirs in the given Directory but dont delete the dir itself.

Parameters:

dirPath - The directory path where all the child directories exist.

childdirs - List of child directories to be cleaned up in the dirPath

Throws:

java.io.IOException - If there is any error encountered during cleanup.

createDirs

public static void createDirs(java.lang.String location)

md5

public static byte[] md5(byte[] buf)

md5

public static java.lang.String md5(java.io.File file)

Calculate the MD5 hashsum of the given file.

Parameters:

file - File for which md5 checksum should be calculated.

Returns:

Get a Md5 string which is similar to OS Md5sum

toHex

public static java.lang.String toHex(byte[] digest)

toBase64

public static java.lang.String toBase64(byte[] md5)

closeQuietly

public static void closeQuietly(JMXNodeTool tool)

closeQuietly

public static void closeQuietly(javax.management.remote.JMXConnector jmc)

readFile

public static java.io.BufferedReader readFile(java.lang.String absPathToFile)
                                       throws java.io.IOException

Throws:

java.io.IOException

writeToFile

public static void writeToFile(java.lang.String filename,
                               java.lang.String line)