Class Resource

java.lang.Object

org.apache.hc.client5.http.cache.Resource

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

FileResource, HeapResource

@Contract(threading=SAFE)
public abstract class Resource
extends Object
implements Serializable

Represents a disposable system resource used for handling cached response bodies.

Implementations of this interface are expected to be threading-safe.

Since:

4.1

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
Resource()

Method Summary

Modifier and Type	Method	Description
abstract void	dispose()	Indicates the system no longer needs to keep this response body and any system resources associated with it may be reclaimed.
abstract byte[]	get()	Returns resource content as a byte array.
InputStream	getInputStream()	Returns resource content as an InputStream.
abstract long	length()	Returns the length in bytes of the response body.

Methods inherited from class Object

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

Constructor Details

Resource

public Resource()

Method Details

getInputStream

public InputStream getInputStream()
                           throws ResourceIOException

Returns resource content as an InputStream.

Throws:

ResourceIOException

get

public abstract byte[] get()
                    throws ResourceIOException

Returns resource content as a byte array.

Please note for memory efficiency some resource implementations may return a reference to the underlying byte array. The returned value should be treated as immutable.

Throws:

ResourceIOException

Since:

5.0

length

public abstract long length()

Returns the length in bytes of the response body.

dispose

public abstract void dispose()

Indicates the system no longer needs to keep this response body and any system resources associated with it may be reclaimed.