org.archive.wayback.replay

Class CompositeResource

java.lang.Object

java.io.InputStream

org.archive.wayback.core.Resource

org.archive.wayback.replay.CompositeResource

All Implemented Interfaces:

Closeable, AutoCloseable

public class CompositeResource
extends Resource

Virtual Resource made up from pair of header resource and payload resource. This class is typically used for binding revisit record and revisited (original) resource together, making it look like one complete capture.

Constructor Summary

Constructors

Constructor and Description
CompositeResource(Resource headersResource, Resource payloadResource) constructor.

Method Summary

Modifier and Type	Method and Description
int	available()
void	close()
String	getHeader(String headerName)
Map<String,String>	getHttpHeaders() Assumes an HTTP response - return the HTTP headers, not including the HTTP Message header
long	getRecordLength()
int	getStatusCode() Assumes an HTTP resource - return the HTTP response code
void	mark(int readlimit)
boolean	markSupported()
void	parseHeaders()
int	read()
int	read(byte[] b)
int	read(byte[] b, int off, int len)
void	reset()
void	setChunkedEncoding() indicate that there is a Transfer-Encoding: chunked header, so the input data should be dechunked as it is read.
long	skip(long n)

Methods inherited from class org.archive.wayback.core.Resource

getRefersToDate, getRefersToTargetURI, setInputStream

Methods inherited from class java.lang.Object

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

Constructor Detail

CompositeResource

public CompositeResource(Resource headersResource,
                         Resource payloadResource)

constructor.

Parameters:

headersResource - Resource providing HTTP headers (revisit record).

payloadResource - Resource providing HTTP response entity (revisited original record).

Method Detail

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in class Resource

Throws:

IOException

getStatusCode

public int getStatusCode()

Description copied from class: Resource

Assumes an HTTP resource - return the HTTP response code

Specified by:

getStatusCode in class Resource

Returns:

the HTTP response code from the HTTP message

getRecordLength

public long getRecordLength()

Specified by:

getRecordLength in class Resource

Returns:

the size in bytes of the record payload, including HTTP header

getHttpHeaders

public Map<String,String> getHttpHeaders()

Description copied from class: Resource

Assumes an HTTP response - return the HTTP headers, not including the HTTP Message header

Specified by:

getHttpHeaders in class Resource

Returns:

key-value Map of HTTP headers

parseHeaders

public void parseHeaders()
                  throws IOException

Overrides:

parseHeaders in class Resource

Throws:

IOException

getHeader

public String getHeader(String headerName)

Overrides:

getHeader in class Resource

setChunkedEncoding

public void setChunkedEncoding()
                        throws IOException

Description copied from class: Resource

indicate that there is a Transfer-Encoding: chunked header, so the input data should be dechunked as it is read. This method actually peeks ahead to verify that there is a hex-encoded chunk length before assuming the data is chunked.

Overrides:

setChunkedEncoding in class Resource

Throws:

IOException - for usual reasons

available

public int available()
              throws IOException

Overrides:

available in class Resource

Throws:

IOException

mark

public void mark(int readlimit)

Overrides:

mark in class Resource

markSupported

public boolean markSupported()

Overrides:

markSupported in class Resource

read

public int read()
         throws IOException

Overrides:

read in class Resource

Throws:

IOException

read

public int read(byte[] b,
                int off,
                int len)
         throws IOException

Overrides:

read in class Resource

Throws:

IOException

read

public int read(byte[] b)
         throws IOException

Overrides:

read in class Resource

Throws:

IOException

reset

public void reset()
           throws IOException

Overrides:

reset in class Resource

Throws:

IOException

skip

public long skip(long n)
          throws IOException

Overrides:

skip in class Resource

Throws:

IOException