eu.hgross.blaubot.android.views

Class ViewUtils

java.lang.Object

eu.hgross.blaubot.android.views.ViewUtils

public class ViewUtils
extends java.lang.Object

Helper for some commonly used methods around the debug views.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	ViewUtils.RegexSettingsTextWatcher A Regex based SettingsTextWatcher to simplify validation
class	ViewUtils.SettingsTextWatcher TextWatcher adapter class bound to a View

Constructor Summary

Constructors

Constructor and Description
ViewUtils()

Method Summary

Modifier and Type	Method and Description
static Drawable	getDrawableForBlaubotState(Context ctx, IBlaubotState state) Retrieve the corresponding drawable by the blaubot state
static Drawable	getDrawableForBlaubotState(Context ctx, State stateEnum) Retrieve the corresponding drawable by the blaubot state
static java.lang.String	humanReadableByteCount(long bytes, boolean si) Converts a byte size into a human readable sting
static boolean	isValidHostname(java.lang.String hostname) Validates a hostname
static boolean	isValidIpAddress(java.lang.String ip) Checks wheter an ipv4 address is valid
static boolean	validateURLPathSegment(java.lang.String val) Validates url path segements.

Methods inherited from class java.lang.Object

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

Constructor Detail

ViewUtils

public ViewUtils()

Method Detail

getDrawableForBlaubotState

public static Drawable getDrawableForBlaubotState(Context ctx,
                                                  IBlaubotState state)

Retrieve the corresponding drawable by the blaubot state

Parameters:

ctx - the context

state - the blaubot state to retrieve the drawable for

Returns:

the drawable

Throws:

java.lang.IllegalStateException - if the state is not mapped to an icon

getDrawableForBlaubotState

public static Drawable getDrawableForBlaubotState(Context ctx,
                                                  State stateEnum)

Retrieve the corresponding drawable by the blaubot state

Parameters:

ctx - the context

stateEnum - the blaubot state to retrieve the drawable for

Returns:

the drawable

Throws:

java.lang.IllegalStateException - if the state is not mapped to an icon

validateURLPathSegment

public static boolean validateURLPathSegment(java.lang.String val)

Validates url path segements.

Parameters:

val - the url path segment to be validated

Returns:

true iff val is a valid URL path (without protocol, host, port)

isValidHostname

public static boolean isValidHostname(java.lang.String hostname)

Validates a hostname

Parameters:

hostname - the hostname to be validated

Returns:

true, iff hostname is a valid hostname (not an ip)

isValidIpAddress

public static boolean isValidIpAddress(java.lang.String ip)

Checks wheter an ipv4 address is valid

Parameters:

ip - the ip to be checked

Returns:

true, iff ip is a valid ip address

humanReadableByteCount

public static java.lang.String humanReadableByteCount(long bytes,
                                                      boolean si)

Converts a byte size into a human readable sting

Parameters:

bytes - the number of bytes

si - if true, the output will be in si units

Returns:

the human readable string