akasha

Class Blob

java.lang.Object

akasha.Blob

All Implemented Interfaces:

MediaProvider

Direct Known Subclasses:

File

@Generated(value="org.realityforge.webtack")
 @JsType(isNative=true,
        namespace="<global>",
        name="Blob")
public class Blob
extends java.lang.Object
implements MediaProvider

The Blob object represents a blob, which is a file-like object of immutable, raw data; they can be read as text or binary data, or converted into a ReadableStream so its methods can be used for processing the data.

See Also:

Blob - MDN, The Blob interface - File API

Constructor Summary

Constructors

Constructor and Description
Blob() The Blob() constructor returns a new Blob object.
Blob(BlobPart[] blobParts) The Blob() constructor returns a new Blob object.
Blob(BlobPart[] blobParts, BlobPropertyBag options) The Blob() constructor returns a new Blob object.
Blob(JsArray<BlobPart> blobParts) The Blob() constructor returns a new Blob object.
Blob(JsArray<BlobPart> blobParts, BlobPropertyBag options) The Blob() constructor returns a new Blob object.

Method Summary

Modifier and Type	Method and Description
Promise<ArrayBuffer>	arrayBuffer() The arrayBuffer() method in the Blob interface returns a Promise that resolves with the contents of the blob as binary data contained in an ArrayBuffer.
int	size() The Blob interface's size property returns the size of the Blob or File in bytes.
Blob	slice() The Blob interface's slice() method creates and returns a new Blob object which contains data from a subset of the blob on which it's called.
Blob	slice(int start) The Blob interface's slice() method creates and returns a new Blob object which contains data from a subset of the blob on which it's called.
Blob	slice(int start, int end) The Blob interface's slice() method creates and returns a new Blob object which contains data from a subset of the blob on which it's called.
Blob	slice(int start, int end, java.lang.String contentType) The Blob interface's slice() method creates and returns a new Blob object which contains data from a subset of the blob on which it's called.
ReadableStream	stream() The Blob interface's stream() method returns a ReadableStream which upon reading returns the data contained within the Blob.
Promise<java.lang.String>	text() The text() method in the Blob interface returns a Promise that resolves with a string containing the contents of the blob, interpreted as UTF-8.
java.lang.String	type() The type property of a Blob object returns the MIME type of the file.

Methods inherited from class java.lang.Object

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

Constructor Detail

Blob

public Blob(@Nonnull
            JsArray<BlobPart> blobParts,
            @Nonnull
            BlobPropertyBag options)

The Blob() constructor returns a new Blob object. The content of the blob consists of the concatenation of the values given in the parameter array.

See Also:

Blob.Blob - MDN

Blob

public Blob(@Nonnull
            BlobPart[] blobParts,
            @Nonnull
            BlobPropertyBag options)

The Blob() constructor returns a new Blob object. The content of the blob consists of the concatenation of the values given in the parameter array.

See Also:

Blob.Blob - MDN

Blob

public Blob(@Nonnull
            JsArray<BlobPart> blobParts)

The Blob() constructor returns a new Blob object. The content of the blob consists of the concatenation of the values given in the parameter array.

See Also:

Blob.Blob - MDN

Blob

public Blob(@Nonnull
            BlobPart[] blobParts)

The Blob() constructor returns a new Blob object. The content of the blob consists of the concatenation of the values given in the parameter array.

See Also:

Blob.Blob - MDN

Blob

public Blob()

The Blob() constructor returns a new Blob object. The content of the blob consists of the concatenation of the values given in the parameter array.

See Also:

Blob.Blob - MDN

Method Detail

size

@JsProperty(name="size")
public int size()

The Blob interface's size property returns the size of the Blob or File in bytes.

See Also:

Blob.size - MDN, Blob.size - File API

type

@JsProperty(name="type")
 @Nonnull
public java.lang.String type()

The type property of a Blob object returns the MIME type of the file.

See Also:

Blob.type - MDN, Blob.type - File API

arrayBuffer

@Nonnull
public Promise<ArrayBuffer> arrayBuffer()

The arrayBuffer() method in the Blob interface returns a Promise that resolves with the contents of the blob as binary data contained in an ArrayBuffer.

See Also:

Blob.arrayBuffer - MDN, Blob.arrayBuffer() - File API

slice

@Nonnull
public Blob slice(int start,
                           int end,
                           @Nonnull
                           java.lang.String contentType)

The Blob interface's slice() method creates and returns a new Blob object which contains data from a subset of the blob on which it's called.

See Also:

Blob.slice - MDN, Blob.slice() - File API

slice

@Nonnull
public Blob slice(int start,
                           int end)

The Blob interface's slice() method creates and returns a new Blob object which contains data from a subset of the blob on which it's called.

See Also:

Blob.slice - MDN, Blob.slice() - File API

slice

@Nonnull
public Blob slice(int start)

The Blob interface's slice() method creates and returns a new Blob object which contains data from a subset of the blob on which it's called.

See Also:

Blob.slice - MDN, Blob.slice() - File API

slice

@Nonnull
public Blob slice()

The Blob interface's slice() method creates and returns a new Blob object which contains data from a subset of the blob on which it's called.

See Also:

Blob.slice - MDN, Blob.slice() - File API

stream

@Nonnull
public ReadableStream stream()

The Blob interface's stream() method returns a ReadableStream which upon reading returns the data contained within the Blob.

See Also:

Blob.stream - MDN, Blob.stream() - File API

text

@Nonnull
public Promise<java.lang.String> text()

The text() method in the Blob interface returns a Promise that resolves with a string containing the contents of the blob, interpreted as UTF-8.

See Also:

Blob.text - MDN, Blob.text() - File API