CacheResponse in Java

java.net.CacheResponse

Represent channels for retrieving resources from theResponseCache. Instances of such a class provide anInputStream that returns the entity body, and also agetHeaders() method which returns the associated response headers.

Declaration

public abstract class CacheResponse {

    public abstract Map<String, List<String>> 
                          getHeaders() throws IOException;

    public abstract InputStream getBody() throws IOException;
}

Methods

1. getHeaders()

Map<String, List<String>> java.net.CacheResponse.getHeaders() throws IOException

Returns the response headers as a Map.

Returns: An immutable Map from response header field names to lists of field values. The status line has null as its field name.

Throws:

IOException - if an I/O error occurs while getting the response headers.

2. getBody()

InputStream java.net.CacheResponse.getBody() throws IOException

Returns the response body as an InputStream.

Returns: an InputStream from which the response body can be accessed.

Throws:

IOException - if an I/O error occurs while getting the response body.

Some other classes/interfaces of java.net

Authenticator: The class Authenticator represents an object that knows how to obtain authentication for a network connection.

BindException: Signals that an error occurred while attempting to bind a socket to a local address and port. 

CacheRequest: Represents channels for storing resources in the ResponseCache.

CacheResponse: Represent channels for retrieving resources from the ResponseCache.

ConnectException: Signals that an error occurred while attempting to connect a socket to a remote address and port.

ContentHandler: The abstract class ContentHandler is the superclass of all classes that read an Object from a URLConnection.

ContentHandlerFactory: This interface defines a factory for content handlers. Implementing this interface should map a MIME type into an instance of ContentHandler.

CookieHandler: A CookieHandler object provides a callback mechanism to hook up an HTTP state management policy implementation into the HTTP protocol handler.

CookieManager: CookieManager provides a concrete implementation of CookieHandler, which separates the storage of cookies from the policy surrounding accepting and rejecting cookies. 

CookiePolicy: CookiePolicy implementations decide which cookies should be accepted and which should be rejected.

CookieStore: A CookieStore object represents storage for cookies. Can store and retrieve cookies.

DatagramPacket: This class represents a datagram packet.