crossmobile.ios.foundation

Class NSData

java.lang.Object

crossmobile.ios.foundation.NSObject

crossmobile.ios.foundation.NSData

All Implemented Interfaces:

NSSecureCoding

Direct Known Subclasses:

NSMutableData

public class NSData
extends NSObject
implements NSSecureCoding

NSData class defines a data object that is created using data from a buffer or from files.

Constructor Summary

Constructors

Constructor and Description
NSData(String base64String, int NSDataBase64DecodingOptions) Creates and returns the NSData object of the given base64 encoded String with the specified options.

Method Summary

Modifier and Type	Method and Description
String	base64EncodedStringWithOptions(int NSDataBase64EncodingOptions) Creates a base64 encoded String according to the specified options.
byte[]	bytes() Returns a pointer to this NSData object.
static NSData	dataWithBytes(byte[] data) Creates and returns a NSData object using copied data from a buffer.
static NSData	dataWithBytesNoCopy(byte[] data) Creates and returns a NSData object generated from the bytes of a buffer.
static NSData	dataWithContentsOfFile(String path) Creates and returns a NSData object from the data of the specified file.
static NSData	dataWithContentsOfURL(NSURL url) Returns a NSData object that contains the data of the given URL.
int	length() Returns the length of this NSData object.
String	toString()
boolean	writeToFile(String path, boolean atomically) Writes the bytes of this NSData to the specified file with the option of writing first to a backup file.

Methods inherited from class crossmobile.ios.foundation.NSObject

addObserver, observeValueForKeyPath, performSelector, performSelectorOnMainThread, release, removeObserver, removeObserver, retain, setValueForKey, setValueForUndefinedKey, valueForKey, valueForUndefinedKey

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface crossmobile.ios.foundation.NSSecureCoding

supportsSecureCoding

Constructor Detail

NSData

public NSData(String base64String,
              int NSDataBase64DecodingOptions)

Creates and returns the NSData object of the given base64 encoded String with the specified options.

Parameters:

base64String - The base64 encoded String.

NSDataBase64DecodingOptions - The options of the encoding.

Method Detail

dataWithBytes

public static NSData dataWithBytes(byte[] data)

Creates and returns a NSData object using copied data from a buffer.

Parameters:

data - The data of buffer.

Returns:

The resulting NSData object.

dataWithBytesNoCopy

public static NSData dataWithBytesNoCopy(byte[] data)

Creates and returns a NSData object generated from the bytes of a buffer.

Parameters:

data - The data of buffer.

Returns:

The resulting NSData object.

dataWithContentsOfFile

public static NSData dataWithContentsOfFile(String path)

Creates and returns a NSData object from the data of the specified file.

Parameters:

path - The path of the file that is used.

Returns:

The NSData object of the specified file.

dataWithContentsOfURL

public static NSData dataWithContentsOfURL(NSURL url)

Returns a NSData object that contains the data of the given URL.

Parameters:

url - The URL of the requested data.

Returns:

The NSData object of the URL.

writeToFile

public boolean writeToFile(String path,
                           boolean atomically)

Writes the bytes of this NSData to the specified file with the option of writing first to a backup file.

Parameters:

path - The path of the file to which the bytes will be written.

atomically - TRUE then the bytes are first written to a backup file.

Returns:

TRUE the procedure was successful.

length

public int length()

Returns the length of this NSData object.

Returns:

The length of this NSData object.

bytes

public byte[] bytes()

Returns a pointer to this NSData object.

Returns:

A pointer to this NSData object.

toString

public String toString()

Overrides:

toString in class Object

base64EncodedStringWithOptions

public String base64EncodedStringWithOptions(int NSDataBase64EncodingOptions)

Creates a base64 encoded String according to the specified options.

Parameters:

NSDataBase64EncodingOptions - The options for the specified encoding.

Returns:

The base64 encoded string.