Package net.adoptopenjdk.icedteaweb.resources.cache

Class CachedFile

java.lang.Object

net.adoptopenjdk.icedteaweb.resources.cache.CachedFile

All Implemented Interfaces:

ResourceInfo

class CachedFile
extends java.lang.Object
implements ResourceInfo

Describes an entry in the cache.

Version:

$Revision: 1.10 $

Field Summary

Fields

Modifier and Type	Field	Description
private java.io.File	cacheFile	the cache file
(package private) static java.lang.String	INFO_SUFFIX
private CacheKey	key
private static java.lang.String	KEY_DOWNLOADED_AT
(package private) static java.lang.String	KEY_JNLP_PATH
private static java.lang.String	KEY_LAST_MODIFIED
private static java.lang.String	KEY_SIZE
private static Logger	LOG
private PropertiesFile	properties	info about the cached file

Constructor Summary

Constructors

Constructor	Description
CachedFile(CacheIndexEntry lruEntry, java.io.File cacheFile, java.io.File infoFile)
CachedFile(CacheKey key, java.io.File cacheFile, java.io.File infoFile)

Method Summary

Modifier and Type	Method	Description
(package private) java.io.File	getCacheFile()
CacheKey	getCacheKey()
long	getDownloadedAt()	Returns the time in the local system clock that the file was most recently checked for an update.
(package private) java.lang.String	getJnlpPath()
long	getLastModified()
private long	getLongKey(java.lang.String key)
long	getSize()
(package private) boolean	isCached()	Returns true if the cache has a local copy of the resource.
(package private) boolean	isCurrent(long lastModified)	Returns whether there is a version of the URL contents in the cache and it is up to date.
(package private) boolean	isFile()
private void	setLongKey(java.lang.String key, long value)
(package private) void	storeInfo(long downloadedAt, long lastModified, long size)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final Logger LOG

INFO_SUFFIX

static final java.lang.String INFO_SUFFIX

See Also:

Constant Field Values

KEY_SIZE

private static final java.lang.String KEY_SIZE

See Also:

Constant Field Values

KEY_LAST_MODIFIED

private static final java.lang.String KEY_LAST_MODIFIED

See Also:

Constant Field Values

KEY_DOWNLOADED_AT

private static final java.lang.String KEY_DOWNLOADED_AT

See Also:

Constant Field Values

KEY_JNLP_PATH

static final java.lang.String KEY_JNLP_PATH

See Also:

Constant Field Values

key

private final CacheKey key

cacheFile

private final java.io.File cacheFile

the cache file

properties

private final PropertiesFile properties

info about the cached file

Constructor Detail

CachedFile

CachedFile(CacheIndexEntry lruEntry,
           java.io.File cacheFile,
           java.io.File infoFile)

CachedFile

CachedFile(CacheKey key,
           java.io.File cacheFile,
           java.io.File infoFile)

Method Detail

getCacheKey

public CacheKey getCacheKey()

Specified by:

getCacheKey in interface ResourceInfo

Returns:

the cache key of the resource

getDownloadedAt

public long getDownloadedAt()

Returns the time in the local system clock that the file was most recently checked for an update.

Specified by:

getDownloadedAt in interface ResourceInfo

Returns:

when the item was updated (in ms)

getSize

public long getSize()

Specified by:

getSize in interface ResourceInfo

Returns:

the size of the resource in bytes

getLastModified

public long getLastModified()

Specified by:

getLastModified in interface ResourceInfo

Returns:

the last time this resource was modified (in Java millis)

getJnlpPath

java.lang.String getJnlpPath()

getCacheFile

java.io.File getCacheFile()

getLongKey

private long getLongKey(java.lang.String key)

setLongKey

private void setLongKey(java.lang.String key,
                        long value)

isFile

boolean isFile()

isCurrent

boolean isCurrent(long lastModified)

Returns whether there is a version of the URL contents in the cache and it is up to date.

Parameters:

lastModified - - current time as get from server (in ms). Mostly value of "Last-Modified" http header'?

Returns:

whether the cache contains the version

isCached

boolean isCached()

Returns true if the cache has a local copy of the resource.

Returns:

true if the resource is in the cache

storeInfo

void storeInfo(long downloadedAt,
               long lastModified,
               long size)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object