Package org.apache.logging.log4j.core.util.internal

Class HttpInputStreamUtil

java.lang.Object

org.apache.logging.log4j.core.util.internal.HttpInputStreamUtil

public final class HttpInputStreamUtil
extends Object

Utility method for reading data from an HTTP InputStream.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	HttpInputStreamUtil.Result

Field Summary

Fields

Modifier and Type	Field	Description
private static final int	BUF_SIZE
private static final int	FORBIDDEN
private static final Logger	LOGGER
private static final int	NOT_AUTHORIZED
private static final int	NOT_FOUND
private static final int	NOT_MODIFIED
private static final int	OK

Constructor Summary

Constructors

Constructor	Description
HttpInputStreamUtil()

Method Summary

Modifier and Type	Method	Description
private static Supplier<String>	formatProtocol(Source source)
static HttpInputStreamUtil.Result	getInputStream(LastModifiedSource source, AuthorizationProvider authorizationProvider)	Retrieves an HTTP resource if it has been modified.
static byte[]	readStream(InputStream is)

Methods inherited from class java.lang.Object

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

Field Details

LOGGER

private static final Logger LOGGER

NOT_MODIFIED

private static final int NOT_MODIFIED

See Also:

• Constant Field Values

NOT_AUTHORIZED

private static final int NOT_AUTHORIZED

See Also:

• Constant Field Values

FORBIDDEN

private static final int FORBIDDEN

See Also:

• Constant Field Values

NOT_FOUND

private static final int NOT_FOUND

See Also:

• Constant Field Values

OK

private static final int OK

See Also:

• Constant Field Values

BUF_SIZE

private static final int BUF_SIZE

See Also:

• Constant Field Values

Constructor Details

HttpInputStreamUtil

public HttpInputStreamUtil()

Method Details

getInputStream

public static HttpInputStreamUtil.Result getInputStream(LastModifiedSource source,
 AuthorizationProvider authorizationProvider)

Retrieves an HTTP resource if it has been modified.

Side effects: if the request is successful, the last modified time of the source parameter is modified.

Parameters:

source - The location of the HTTP resource

authorizationProvider - The authentication data for the HTTP request

Returns:

A HttpInputStreamUtil.Result object containing the status code and body of the response

formatProtocol

private static Supplier<String> formatProtocol(Source source)

readStream

public static byte[] readStream(InputStream is)
                         throws IOException

Throws:

IOException