Package org.ametys.plugins.core.ui.minimize

Class HashCache

java.lang.Object

org.ametys.runtime.plugin.component.AbstractLogEnabled

org.ametys.plugins.core.ui.minimize.HashCache

All Implemented Interfaces:

LogEnabled, Initializable, Component, Serviceable

public class HashCache
extends AbstractLogEnabled
implements Component, Serviceable, Initializable

The cache for hashed list of files to minimize

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	HashCache.UriData	The description of an URI

Field Summary

Fields

Modifier and Type	Field	Description
protected AbstractCacheManager	_cacheManager	CacheManager used to create and get cache
protected RequestAttributesHelper	_requestAttributesHelper	RequestAttributesHelper
protected ResourceDependenciesListExtensionPoint	_resourceDependenciesListEP	ResourceDependenciesListExtensionPoint
static String	ROLE	The avalon ROLE

Constructor Summary

Constructors

Constructor	Description
HashCache()

Method Summary

Modifier and Type	Method	Description
private Cache<String,List<HashCache.UriData>>	_getCache()
String	createHash(Map<String,Map<String,String>> files, String salt)	Creates and memorize a hash code corresponding to a list of files
List<HashCache.UriData>	getFilesForHash(String hash, boolean firstLevel)	Get the file list corresponding to the given hashcode
void	initialize()
void	service(ServiceManager manager)

Methods inherited from class org.ametys.runtime.plugin.component.AbstractLogEnabled

getLogger, setLogger

Methods inherited from class java.lang.Object

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

Field Detail

ROLE

public static final String ROLE

The avalon ROLE

_requestAttributesHelper

protected RequestAttributesHelper _requestAttributesHelper

RequestAttributesHelper

_resourceDependenciesListEP

protected ResourceDependenciesListExtensionPoint _resourceDependenciesListEP

ResourceDependenciesListExtensionPoint

_cacheManager

protected AbstractCacheManager _cacheManager

CacheManager used to create and get cache

Constructor Detail

HashCache

public HashCache()

Method Detail

service

public void service(ServiceManager manager)
             throws ServiceException

Specified by:

service in interface Serviceable

Throws:

ServiceException

initialize

public void initialize()
                throws Exception

Specified by:

initialize in interface Initializable

Throws:

Exception

getFilesForHash

public List<HashCache.UriData> getFilesForHash(String hash,
                                               boolean firstLevel)

Get the file list corresponding to the given hashcode

Parameters:

hash - The hashcode created by createHash in this session

firstLevel - File imported by other files will not be included

Returns:

The list of files or null if the hashcode does not exists

createHash

public String createHash(Map<String,Map<String,String>> files,
                         String salt)
                  throws IllegalArgumentException

Creates and memorize a hash code corresponding to a list of files

Parameters:

files - The files. Key is the file uri and the value is a map with two keys 'media' and 'tag'.

salt - Additional parameter used as salt for the hash key.

Returns:

The hash code

Throws:

IllegalArgumentException - If an error occurred

_getCache

private Cache<String,List<HashCache.UriData>> _getCache()