psiprobe

Class Utils

java.lang.Object

psiprobe.Utils

public final class Utils
extends Object

Misc. static helper methods.

Method Summary

Modifier and Type	Method and Description
static void	delete(File file) Delete.
static String	getJspEncoding(InputStream is) Gets the jsp encoding.
static List<String>	getNamesForLocale(String baseName, Locale locale) Gets the names for locale.
static Thread	getThreadByName(String name) Gets the thread by name.
static String	highlightStream(String name, InputStream input, String rendererName, String encoding) Highlight stream.
static boolean	isThreadingEnabled() Checks if is threading enabled.
protected static String	leftPad(String str, int len, String fill) Left pad.
static String	readFile(File file, String charsetName) Reads a file on disk.
static String	readStream(InputStream is, String charsetName) Reads strings from the intput stream using the given charset.
static void	sendCompressedFile(javax.servlet.http.HttpServletResponse response, File file) Send compressed file.
static void	sendFile(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, File file) Send file.
static float	toFloat(String num, float defaultValue) To float.
static int	toInt(String num, int defaultValue) To int.
static int	toIntHex(String num, int defaultValue) To int hex.
static long	toLong(Long num, long defaultValue) To long.
static long	toLong(String num, long defaultValue) To long.

Methods inherited from class java.lang.Object

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

Method Detail

readFile

public static String readFile(File file,
                              String charsetName)
                       throws IOException

Reads a file on disk. The method uses default file encoding (see: file.encoding system property)

Parameters:

file - to be read

charsetName - the charset name

Returns:

String representation of the file contents

Throws:

IOException - Signals that an I/O exception has occurred.

readStream

public static String readStream(InputStream is,
                                String charsetName)
                         throws IOException

Reads strings from the intput stream using the given charset. This method closes the input stream after it has been consumed.

This method uses the system's default charset if the given one is unsupported.

Parameters:

is - the stream from which to read

charsetName - the charset to use when reading the stream

Returns:

the contents of the given input stream

Throws:

IOException - if reading from the stream fails spectacularly

delete

public static void delete(File file)

Delete.

Parameters:

file - the file

toInt

public static int toInt(String num,
                        int defaultValue)

To int.

Parameters:

num - the num

defaultValue - the default value

Returns:

the int

toIntHex

public static int toIntHex(String num,
                           int defaultValue)

To int hex.

Parameters:

num - the num

defaultValue - the default value

Returns:

the int

toLong

public static long toLong(String num,
                          long defaultValue)

To long.

Parameters:

num - the num

defaultValue - the default value

Returns:

the long

toLong

public static long toLong(Long num,
                          long defaultValue)

To long.

Parameters:

num - the num

defaultValue - the default value

Returns:

the long

toFloat

public static float toFloat(String num,
                            float defaultValue)

To float.

Parameters:

num - the num

defaultValue - the default value

Returns:

the float

getJspEncoding

public static String getJspEncoding(InputStream is)
                             throws IOException

Gets the jsp encoding.

Parameters:

is - the is

Returns:

the jsp encoding

Throws:

IOException - Signals that an I/O exception has occurred.

sendFile

public static void sendFile(javax.servlet.http.HttpServletRequest request,
                            javax.servlet.http.HttpServletResponse response,
                            File file)
                     throws IOException

Send file.

Parameters:

request - the request

response - the response

file - the file

Throws:

IOException - Signals that an I/O exception has occurred.

getThreadByName

public static Thread getThreadByName(String name)

Gets the thread by name.

Parameters:

name - the name

Returns:

the thread by name

highlightStream

public static String highlightStream(String name,
                                     InputStream input,
                                     String rendererName,
                                     String encoding)
                              throws IOException

Highlight stream.

Parameters:

name - the name

input - the input

rendererName - the renderer name

encoding - the encoding

Returns:

the string

Throws:

IOException - Signals that an I/O exception has occurred.

sendCompressedFile

public static void sendCompressedFile(javax.servlet.http.HttpServletResponse response,
                                      File file)
                               throws IOException

Send compressed file.

Parameters:

response - the response

file - the file

Throws:

IOException - Signals that an I/O exception has occurred.

leftPad

protected static String leftPad(String str,
                                int len,
                                String fill)

Left pad.

Parameters:

str - the str

len - the len

fill - the fill

Returns:

the string

getNamesForLocale

public static List<String> getNamesForLocale(String baseName,
                                             Locale locale)

Gets the names for locale.

Parameters:

baseName - the base name

locale - the locale

Returns:

the names for locale

isThreadingEnabled

public static boolean isThreadingEnabled()

Checks if is threading enabled.

Returns:

true, if is threading enabled