Package org.apache.hc.client5.http.impl.cache

Class FileResourceFactory

java.lang.Object

org.apache.hc.client5.http.impl.cache.FileResourceFactory

All Implemented Interfaces:

ResourceFactory

@Contract(threading=STATELESS)
public class FileResourceFactory
extends Object
implements ResourceFactory

Generates Resource instances whose body is stored in a temporary file.

Since:

4.1

Field Summary

Fields

Modifier and Type	Field	Description
private final File	cacheDir
private final BasicIdGenerator	idgen

Constructor Summary

Constructors

Constructor	Description
FileResourceFactory(File cacheDir)

Method Summary

Modifier and Type	Method	Description
Resource	copy(String requestId, Resource resource)	Clones an existing Resource.
Resource	generate(String requestId, byte[] content)	Creates a Resource from a given response body.
Resource	generate(String requestId, byte[] content, int off, int len)	Creates a Resource from a given response body.
private File	generateUniqueCacheFile(String requestId)

Methods inherited from class java.lang.Object

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

Field Details

cacheDir

private final File cacheDir

idgen

private final BasicIdGenerator idgen

Constructor Details

FileResourceFactory

public FileResourceFactory(File cacheDir)

Method Details

generateUniqueCacheFile

private File generateUniqueCacheFile(String requestId)

generate

public Resource generate(String requestId,
 byte[] content,
 int off,
 int len)
                  throws ResourceIOException

Description copied from interface: ResourceFactory

Creates a Resource from a given response body.

Specified by:

generate in interface ResourceFactory

Parameters:

requestId - a unique identifier for this particular response body.

content - byte array that represents the origin HTTP response body.

off - the start offset in the array.

len - the number of bytes to read from the array.

Returns:

a Resource containing however much of the response body was successfully read.

Throws:

ResourceIOException

generate

public Resource generate(String requestId,
 byte[] content)
                  throws ResourceIOException

Description copied from interface: ResourceFactory

Creates a Resource from a given response body.

Specified by:

generate in interface ResourceFactory

Parameters:

requestId - a unique identifier for this particular response body.

content - byte array that represents the origin HTTP response body.

Returns:

a Resource containing however much of the response body was successfully read.

Throws:

ResourceIOException

copy

public Resource copy(String requestId,
 Resource resource)
              throws ResourceIOException

Description copied from interface: ResourceFactory

Clones an existing Resource.

Specified by:

copy in interface ResourceFactory

Parameters:

requestId - unique identifier provided to associate with the cloned response body.

resource - the original response body to clone.

Returns:

the Resource copy

Throws:

ResourceIOException