autohit.common
Class Utils

java.lang.Object
  autohit.common.Utils

public class Utils

extends java.lang.Object

A bunch of utils

Version:

1.0 Version History EPG - Rewrite - 9Apr03

Author:

Erich P. Gatejen

Constructor Summary

Utils()

Method Summary

static java.lang.String	copy(java.lang.String source, java.lang.String dest) Copy files.
static java.lang.String	copyDir(java.lang.String source, java.lang.String dest, boolean wipe) Copy entire directories.
static java.lang.String	dot2path(java.lang.String header, java.lang.String dot) Converts dot namespace to a path
static java.lang.String	loadFile2String(java.io.File f) Read a file into a String.
static java.io.File	makeFile(java.lang.String name) Make a file reference.
static java.lang.String	merge(java.lang.String source, java.lang.String dest, org.apache.commons.collections.ExtendedProperties props) Merge a file with properties.
static java.lang.String	norfIt(int value)
static int	packInteger(byte[] buf) Get a packed, big-endian integer.
static java.lang.Object	testGetProperty(java.lang.String key, org.apache.commons.collections.ExtendedProperties props) Test and get property.
static boolean	testGetPropertyTruth(java.lang.String key, org.apache.commons.collections.ExtendedProperties props) Test and get property for truth.
static void	unpackInteger(byte[] buf, int offset, int value) Unpack an integer into an array--big-endian.
static java.lang.String	wipeDir(java.lang.String dest) Wipe a directory and everything in it

Methods inherited from class java.lang.Object

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

Constructor Detail

Utils

public Utils()

Method Detail

dot2path

public static java.lang.String dot2path(java.lang.String header,
                                        java.lang.String dot)

Converts dot namespace to a path

Parameters:

header - prefix for the path

dot - path in dot notation

Returns:

a converted path

makeFile

public static java.io.File makeFile(java.lang.String name)
                             throws java.lang.Exception

Make a file reference. If the file already exists, kill it. If the path doesn't exist, make it. It'll throw an exception if it fails.

Parameters:

name - path name

Returns:

file object

Throws:

java.lang.Exception

testGetProperty

public static java.lang.Object testGetProperty(java.lang.String key,
                                               org.apache.commons.collections.ExtendedProperties props)

Test and get property. Return null if not found or something went wrong. Traps all exceptions

Parameters:

key - key for the property

props - the property set

Returns:

the property object

testGetPropertyTruth

public static boolean testGetPropertyTruth(java.lang.String key,
                                           org.apache.commons.collections.ExtendedProperties props)

Test and get property for truth. If will return true if the property containts 'true', otherwise it will return false; Traps all exceptions

Parameters:

key - key for the property

props - the property set

Returns:

true if the proprerty is 'true', otherwise false.

copy

public static java.lang.String copy(java.lang.String source,
                                    java.lang.String dest)

Copy files. I can't believe I have to write this. It will always overwrite an existing file.

Parameters:

source - source file path

dest - destination file path

Returns:

string containing errors or messages

merge

public static java.lang.String merge(java.lang.String source,
                                     java.lang.String dest,
                                     org.apache.commons.collections.ExtendedProperties props)

Merge a file with properties. It will overwrite an existing file. This is not exactly FAST.

Parameters:

source - source file

dest - destination file

props - properties that are candidates for substitution

Returns:

string containing errors or messages

copyDir

public static java.lang.String copyDir(java.lang.String source,
                                       java.lang.String dest,
                                       boolean wipe)

Copy entire directories. I can't believe I have to write this.

Parameters:

source - source is the source directory, without a training slash

dest - destination is the destination directory, without a training slash

wipe - destructive copy. If true, it will destroy destination directories before copying the files. The files themselves are always overwritten.

Returns:

string containing errors or messages

wipeDir

public static java.lang.String wipeDir(java.lang.String dest)

Wipe a directory and everything in it

Parameters:

dest - path to the directory

Returns:

string containing errors or messages

loadFile2String

public static java.lang.String loadFile2String(java.io.File f)

Read a file into a String.

Parameters:

f - File to read

Returns:

string if successful or otherwise null

packInteger

public static int packInteger(byte[] buf)

Get a packed, big-endian integer. The array better have 4 bytes or you'll get an exception

Parameters:

buf - arracy of bytes

Returns:

the integer

unpackInteger

public static void unpackInteger(byte[] buf,
                                 int offset,
                                 int value)

Unpack an integer into an array--big-endian. The array better have 4 bytes or you'll get an exception

Parameters:

buf - array of bytes. better be at least 4 bytes

offset - offset into the array to start the unpack

value - the integer to unpack

norfIt

public static java.lang.String norfIt(int value)