Package jetbrains.buildServer.serverSide.db

Interface JdbcDriverDownloader.UrlConnectionWrapper

Enclosing class:

JdbcDriverDownloader

public static interface JdbcDriverDownloader.UrlConnectionWrapper

A wrapper around an open connection to a (local or remote) URL.

Since:

2018.1

Author:

Andrey Shcheglov <mailto:andrey.shcheglov@jetbrains.com>

Method Summary

Modifier and Type	Method	Description
Charset	getCharset()	Returns the charset specified in the HTTP {code Content-Type} header field, or the default charset value safe enough to handle this {code Content-Type}.
long	getContentLength()	Returns the value of the Content-Length header field.
InputStream	getInputStream()	Returns an input stream that reads from this open connection.
int	getResponseCode()	Gets the status code from an HTTP response message.
String	getResponseMessage()	Gets the HTTP response message, if any, returned along with the response code from a server.

Method Detail

getResponseCode

int getResponseCode()
             throws IOException

Gets the status code from an HTTP response message. Returns -1 if no code can be discerned from the response (i. e., the response is not valid HTTP).

Returns:

the HTTP Status-Code, or -1.

Throws:

IOException - if an error occurred connecting to the server.

See Also:

HttpURLConnection.getResponseCode()

getResponseMessage

@Nullable
String getResponseMessage()
                   throws IOException

Gets the HTTP response message, if any, returned along with the response code from a server. Returns null if none could be discerned from the responses (the result was not valid HTTP).

Returns:

the HTTP response message, or null.

Throws:

IOException - if an error occurred connecting to the server.

See Also:

HttpURLConnection.getResponseMessage()

getContentLength

long getContentLength()

Returns the value of the Content-Length header field. Necessary for the correct download progress monitoring.

Returns:

the content length of the resource that this connection's URL references, or -1L if the content length is not known.

See Also:

URLConnection.getContentLength()

getCharset

@NotNull
Charset getCharset()

Returns the charset specified in the HTTP {code Content-Type} header field, or the default charset value safe enough to handle this {code Content-Type}.

Returns:

the charset specified in the HTTP {code Content-Type} header field, or the default value.

getInputStream

@NotNull
InputStream getInputStream()
                    throws IOException

Returns an input stream that reads from this open connection.

A SocketTimeoutException can be thrown when reading from the returned input stream if the read timeout expires before data is available for read.

Returns:

an input stream that reads from this open connection.

Throws:

IOException - if an I/O error occurs while creating the input stream.

UnknownServiceException - if the protocol does not support input.

See Also:

URLConnection.getInputStream(), URLConnection.setReadTimeout(int), URLConnection.getReadTimeout()