com.android.volley.toolbox

Class BasicNetwork

java.lang.Object

com.android.volley.toolbox.BasicNetwork

All Implemented Interfaces:

Network

public class BasicNetwork
extends java.lang.Object
implements Network

A network performing Volley requests over an HttpStack.

Field Summary

Fields

Modifier and Type	Field and Description
protected static boolean	DEBUG
private static int	DEFAULT_POOL_SIZE
protected HttpStack	mHttpStack
protected ByteArrayPool	mPool
private static int	SLOW_REQUEST_THRESHOLD_MS

Constructor Summary

Constructors

Constructor and Description
BasicNetwork(HttpStack httpStack)
BasicNetwork(HttpStack httpStack, ByteArrayPool pool)

Method Summary

Modifier and Type	Method and Description
private void	addCacheHeaders(java.util.Map<java.lang.String,java.lang.String> headers, Cache.Entry entry)
private static void	attemptRetryOnException(java.lang.String logPrefix, Request<?> request, VolleyError exception) Attempts to prepare the request for a retry.
private static java.util.Map<java.lang.String,java.lang.String>	convertHeaders(Header[] headers) Converts Headers[] to Map.
private byte[]	entityToBytes(HttpEntity entity) Reads the contents of HttpEntity into a byte[].
protected void	logError(java.lang.String what, java.lang.String url, long start)
private void	logSlowRequests(long requestLifetime, Request<?> request, byte[] responseContents, StatusLine statusLine) Logs requests that took over SLOW_REQUEST_THRESHOLD_MS to complete.
NetworkResponse	performRequest(Request<?> request) Performs the specified request.

Methods inherited from class java.lang.Object

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

Field Detail

DEBUG

protected static final boolean DEBUG

SLOW_REQUEST_THRESHOLD_MS

private static int SLOW_REQUEST_THRESHOLD_MS

DEFAULT_POOL_SIZE

private static int DEFAULT_POOL_SIZE

mHttpStack

protected final HttpStack mHttpStack

mPool

protected final ByteArrayPool mPool

Constructor Detail

BasicNetwork

public BasicNetwork(HttpStack httpStack)

Parameters:

httpStack - HTTP stack to be used

BasicNetwork

public BasicNetwork(HttpStack httpStack,
                    ByteArrayPool pool)

Parameters:

httpStack - HTTP stack to be used

pool - a buffer pool that improves GC performance in copy operations

Method Detail

performRequest

public NetworkResponse performRequest(Request<?> request)
                               throws VolleyError

Description copied from interface: Network

Performs the specified request.

Specified by:

performRequest in interface Network

Parameters:

request - Request to process

Returns:

A NetworkResponse with data and caching metadata; will never be null

Throws:

VolleyError - on errors

logSlowRequests

private void logSlowRequests(long requestLifetime,
                             Request<?> request,
                             byte[] responseContents,
                             StatusLine statusLine)

Logs requests that took over SLOW_REQUEST_THRESHOLD_MS to complete.

attemptRetryOnException

private static void attemptRetryOnException(java.lang.String logPrefix,
                                            Request<?> request,
                                            VolleyError exception)
                                     throws VolleyError

Attempts to prepare the request for a retry. If there are no more attempts remaining in the request's retry policy, a timeout exception is thrown.

Parameters:

request - The request to use.

Throws:

VolleyError

addCacheHeaders

private void addCacheHeaders(java.util.Map<java.lang.String,java.lang.String> headers,
                             Cache.Entry entry)

logError

protected void logError(java.lang.String what,
                        java.lang.String url,
                        long start)

entityToBytes

private byte[] entityToBytes(HttpEntity entity)
                      throws java.io.IOException,
                             ServerError

Reads the contents of HttpEntity into a byte[].

Throws:

java.io.IOException

ServerError

convertHeaders

private static java.util.Map<java.lang.String,java.lang.String> convertHeaders(Header[] headers)

Converts Headers[] to Map.