com.android.volley.toolbox

Class DiskBasedCache.CacheHeader

java.lang.Object

com.android.volley.toolbox.DiskBasedCache.CacheHeader

Enclosing class:

DiskBasedCache

static class DiskBasedCache.CacheHeader
extends java.lang.Object

Handles holding onto the cache headers for an entry.

Field Summary

Fields

Modifier and Type	Field and Description
java.lang.String	etag ETag for cache coherence.
java.lang.String	key The key that identifies the cache entry.
java.util.Map<java.lang.String,java.lang.String>	responseHeaders Headers from the response resulting in this cache entry.
long	serverDate Date of this response as reported by the server.
long	size The size of the data identified by this CacheHeader.
long	softTtl Soft TTL for this record.
long	ttl TTL for this record.

Constructor Summary

Constructors

Modifier	Constructor and Description
private	CacheHeader()
	CacheHeader(java.lang.String key, Cache.Entry entry) Instantiates a new CacheHeader object

Method Summary

Modifier and Type	Method and Description
static DiskBasedCache.CacheHeader	readHeader(java.io.InputStream is) Reads the header off of an InputStream and returns a CacheHeader object.
Cache.Entry	toCacheEntry(byte[] data) Creates a cache entry for the specified data.
boolean	writeHeader(java.io.OutputStream os) Writes the contents of this CacheHeader to the specified OutputStream.

Methods inherited from class java.lang.Object

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

Field Detail

size

public long size

The size of the data identified by this CacheHeader. (This is not serialized to disk.

key

public java.lang.String key

The key that identifies the cache entry.

etag

public java.lang.String etag

ETag for cache coherence.

serverDate

public long serverDate

Date of this response as reported by the server.

ttl

public long ttl

TTL for this record.

softTtl

public long softTtl

Soft TTL for this record.

responseHeaders

public java.util.Map<java.lang.String,java.lang.String> responseHeaders

Headers from the response resulting in this cache entry.

Constructor Detail

CacheHeader

private CacheHeader()

CacheHeader

public CacheHeader(java.lang.String key,
                   Cache.Entry entry)

Instantiates a new CacheHeader object

Parameters:

key - The key that identifies the cache entry

entry - The cache entry.

Method Detail

readHeader

public static DiskBasedCache.CacheHeader readHeader(java.io.InputStream is)
                                             throws java.io.IOException

Reads the header off of an InputStream and returns a CacheHeader object.

Parameters:

is - The InputStream to read from.

Throws:

java.io.IOException

toCacheEntry

public Cache.Entry toCacheEntry(byte[] data)

Creates a cache entry for the specified data.

writeHeader

public boolean writeHeader(java.io.OutputStream os)

Writes the contents of this CacheHeader to the specified OutputStream.