Module jdk.scripting.nashorn

Package jdk.nashorn.api.scripting

Class URLReader

java.lang.Object

java.io.Reader

jdk.nashorn.api.scripting.URLReader

All Implemented Interfaces:

Closeable, AutoCloseable, Readable

@Deprecated(since="11",
            forRemoval=true)
public final class URLReader
extends Reader

Deprecated, for removal: This API element is subject to removal in a future version.

Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.

A Reader that reads from a URL. Used to make sure that the reader reads content from given URL and can be trusted to do so.

Since:

1.8u40

Field Summary

Fields inherited from class java.io.Reader

lock

Constructor Summary

Constructors

Constructor	Description
URLReader(URL url)	Deprecated, for removal: This API element is subject to removal in a future version. Constructor
URLReader(URL url, String charsetName)	Deprecated, for removal: This API element is subject to removal in a future version. Constructor
URLReader(URL url, Charset cs)	Deprecated, for removal: This API element is subject to removal in a future version. Constructor

Method Summary

Modifier and Type	Method	Description
void	close()	Deprecated, for removal: This API element is subject to removal in a future version. Closes the stream and releases any system resources associated with it.
Charset	getCharset()	Deprecated, for removal: This API element is subject to removal in a future version. Charset used by this reader
URL	getURL()	Deprecated, for removal: This API element is subject to removal in a future version. URL of this reader
int	read(char[] cbuf, int off, int len)	Deprecated, for removal: This API element is subject to removal in a future version. Reads characters into a portion of an array.

Methods inherited from class java.io.Reader

mark, markSupported, nullReader, read, read, read, ready, reset, skip, transferTo

Methods inherited from class java.lang.Object

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

Constructor Detail

URLReader

public URLReader(URL url)

Deprecated, for removal: This API element is subject to removal in a future version.

Constructor

Parameters:

url - URL for this URLReader

Throws:

NullPointerException - if url is null

URLReader

public URLReader(URL url,
                 String charsetName)

Deprecated, for removal: This API element is subject to removal in a future version.

Constructor

Parameters:

url - URL for this URLReader

charsetName - Name of the Charset used to convert bytes to chars

Throws:

NullPointerException - if url is null

URLReader

public URLReader(URL url,
                 Charset cs)

Deprecated, for removal: This API element is subject to removal in a future version.

Constructor

Parameters:

url - URL for this URLReader

cs - Charset used to convert bytes to chars

Throws:

NullPointerException - if url is null

Method Detail

read

public int read(char[] cbuf,
                int off,
                int len)
         throws IOException

Deprecated, for removal: This API element is subject to removal in a future version.

Description copied from class: Reader

Reads characters into a portion of an array. This method will block until some input is available, an I/O error occurs, or the end of the stream is reached.

Specified by:

read in class Reader

Parameters:

cbuf - Destination buffer

off - Offset at which to start storing characters

len - Maximum number of characters to read

Returns:

The number of characters read, or -1 if the end of the stream has been reached

Throws:

IOException - If an I/O error occurs

close

public void close()
           throws IOException

Deprecated, for removal: This API element is subject to removal in a future version.

Description copied from class: Reader

Closes the stream and releases any system resources associated with it. Once the stream has been closed, further read(), ready(), mark(), reset(), or skip() invocations will throw an IOException. Closing a previously closed stream has no effect.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in class Reader

Throws:

IOException - If an I/O error occurs

getURL

public URL getURL()

Deprecated, for removal: This API element is subject to removal in a future version.

URL of this reader

Returns:

the URL from which this reader reads.

getCharset

public Charset getCharset()

Deprecated, for removal: This API element is subject to removal in a future version.

Charset used by this reader

Returns:

the Charset used to convert bytes to chars