oracle.jdeveloper.usage.util

Class FileUtilities

java.lang.Object

oracle.jdeveloper.usage.util.FileUtilities

public final class FileUtilities
extends java.lang.Object

The FileUtilities contain utility routine for I/O operations.

Constructor Summary

Constructors

Constructor and Description
FileUtilities()

Method Summary

Modifier and Type	Method and Description
static byte[]	readFile(java.net.URL url) Reads the contents of the URL completely into memory, returning the contents as a byte array.
static void	writeFile(java.net.URL url, byte[] data) Writes the specified contents to the URL location.
static void	writeFile(java.net.URL url, byte[] data, int offset, int count) Writes the specified contents to the URL location.

Methods inherited from class java.lang.Object

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

Constructor Detail

FileUtilities

public FileUtilities()

Method Detail

readFile

public static byte[] readFile(java.net.URL url)
                       throws java.io.IOException

Reads the contents of the URL completely into memory, returning the contents as a byte array. If the url does not exist, or an I/O error occurs while reading it, an IOException may be thrown.

Parameters:

url - the url to read in

Throws:

java.io.IOException - if the url cannot be read

writeFile

public static void writeFile(java.net.URL url,
                             byte[] data)
                      throws java.io.IOException

Writes the specified contents to the URL location. If the an error occurs while writing to the URL (i.e., disk is full, or url is read-protected), an IOException will be thrown. In the case of an IOException, the contents of the URL will be unpredictable

Parameters:

url - the url to write to

count - the number of bytes from the array to write out

Throws:

java.io.IOException - if the url cannot be written to

writeFile

public static void writeFile(java.net.URL url,
                             byte[] data,
                             int offset,
                             int count)
                      throws java.io.IOException

Writes the specified contents to the URL location. If the an error occurs while writing to the URL (i.e., disk is full, or url is read-protected), an IOException will be thrown. In the case of an IOException, the contents of the URL will be unpredictable

Parameters:

url - the url to write to

data - the data to write out

offset - the offset in the array where the byte data starts

count - the number of bytes from the array to write out

Throws:

java.io.IOException - if the url cannot be written to