org.ginsim.common.utils

Class IOUtils

java.lang.Object

org.ginsim.common.utils.IOUtils

public class IOUtils
extends Object

Collection of helpers to open and parse files, or streams, allowing to access files inside jar archives from the JVM classpath.

Author:

Aurelien Naldi

Constructor Summary

Constructors

Constructor and Description
IOUtils()

Method Summary

Modifier and Type	Method and Description
static boolean	deleteDirectory(File path) Remove all files and directory from the given path
static InputStream	getStreamForPath(Package pack, String filename) get an input stream for a file inside a given package.
static InputStream	getStreamForPath(String path) Produces a FileInputStream initialized with the given path
static boolean	isFileWritable(String path) Verify if the file at the given path can be opened in write mode
static void	read(Reader rd, StringBuffer sb)
static StringBuffer	readFromFile(String file_path) Produces a StringBuffer initialized with the given path
static void	readFromFile(String file_path, StringBuffer sb) Fill the given StringBuffer with the content of the file located at the given path
static StringBuffer	readFromResource(InputStream istream)

Methods inherited from class java.lang.Object

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

Constructor Detail

IOUtils

public IOUtils()

Method Detail

getStreamForPath

public static InputStream getStreamForPath(String path)
                                    throws IOException,
                                           FileNotFoundException

Produces a FileInputStream initialized with the given path

Parameters:

path - the path for which the InputSTream is desired

Returns:

a FileInputStream initialized with the given path

Throws:

IOException

FileNotFoundException

getStreamForPath

public static InputStream getStreamForPath(Package pack,
                                           String filename)
                                    throws IOException,
                                           FileNotFoundException

get an input stream for a file inside a given package.

Parameters:

pack - the package in which to lookup

filename - the name of the desired file in this package

Returns:

a FileInputStream initialized with the given path

Throws:

IOException

FileNotFoundException

readFromFile

public static StringBuffer readFromFile(String file_path)
                                 throws IOException

Produces a StringBuffer initialized with the given path

Parameters:

file_path - the path for which the StringBuffer is desired

Returns:

a StringBuffer initialized with the given path

Throws:

IOException

readFromFile

public static void readFromFile(String file_path,
                                StringBuffer sb)
                         throws IOException

Fill the given StringBuffer with the content of the file located at the given path

Parameters:

file_path - the path to the file to read

sb - the StringBuffer to fill

Throws:

IOException

readFromResource

public static StringBuffer readFromResource(InputStream istream)
                                     throws IOException

Throws:

IOException

read

public static void read(Reader rd,
                        StringBuffer sb)
                 throws IOException

Throws:

IOException

isFileWritable

public static boolean isFileWritable(String path)
                              throws GsException

Verify if the file at the given path can be opened in write mode

Parameters:

path - the path of the file to test

Returns:

true if file exists and is writable or file does not exists and can be created

Throws:

GsException

deleteDirectory

public static boolean deleteDirectory(File path)

Remove all files and directory from the given path

Parameters:

path - the file to delete

Returns:

true if the file was properly deleted, false otherwise