org.hotswap.agent.util

Class IOUtils

java.lang.Object

org.hotswap.agent.util.IOUtils

public class IOUtils
extends Object

IO utils (similar to apache commons).

Field Summary

Fields

Modifier and Type	Field and Description
static String	URL_PROTOCOL_FILE URL protocol for a file in the file system: "file"
static String	URL_PROTOCOL_VFS URL protocol for a JBoss VFS resource: "vfs"

Constructor Summary

Constructors

Constructor and Description
IOUtils()

Method Summary

Modifier and Type	Method and Description
static boolean	isDirectoryURL(URL url) Determine whether the given URL points to a directory in the file system
static boolean	isFileURL(URL url) Determine whether the given URL points to a resource in the file system, that is, has protocol "file" or "vfs".
static String	streamToString(InputStream is) Convert input stream to a string.
static byte[]	toByteArray(URI uri) Download URI to byte array.
static String	urlToClassName(URI uri) Return fully qualified class name of class file on a URI.

Methods inherited from class java.lang.Object

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

Field Detail

URL_PROTOCOL_FILE

public static final String URL_PROTOCOL_FILE

URL protocol for a file in the file system: "file"

See Also:

Constant Field Values

URL_PROTOCOL_VFS

public static final String URL_PROTOCOL_VFS

URL protocol for a JBoss VFS resource: "vfs"

See Also:

Constant Field Values

Constructor Detail

IOUtils

public IOUtils()

Method Detail

toByteArray

public static byte[] toByteArray(URI uri)

Download URI to byte array. Wait for the file to exists up to 5 seconds - it may be recreated while IDE recompilation, automatic retry will avoid false errors.

Parameters:

uri - uri to process

Returns:

byte array

Throws:

IllegalArgumentException - for download problems

streamToString

public static String streamToString(InputStream is)

Convert input stream to a string.

Parameters:

is - stream

Returns:

string (at least empty string for empty stream)

isFileURL

public static boolean isFileURL(URL url)

Determine whether the given URL points to a resource in the file system, that is, has protocol "file" or "vfs".

Parameters:

url - the URL to check

Returns:

whether the URL has been identified as a file system URL

isDirectoryURL

public static boolean isDirectoryURL(URL url)

Determine whether the given URL points to a directory in the file system

Parameters:

url - the URL to check

Returns:

whether the URL has been identified as a file system URL

urlToClassName

public static String urlToClassName(URI uri)
                             throws IOException

Return fully qualified class name of class file on a URI.

Parameters:

uri - uri of class file

Returns:

name

Throws:

IOException - any exception on class instantiation