Package org.apache.catalina.webresources
Class StandardRoot
- java.lang.Object
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- org.apache.catalina.util.LifecycleBase
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- org.apache.catalina.util.LifecycleMBeanBase
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- org.apache.catalina.webresources.StandardRoot
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- All Implemented Interfaces:
MBeanRegistration,JmxEnabled,Lifecycle,WebResourceRoot
- Direct Known Subclasses:
ExtractingRoot
public class StandardRoot extends LifecycleMBeanBase implements WebResourceRoot
Provides the resources implementation for a web application. The
Lifecycleof this class should be aligned with that of the associatedContext.This implementation assumes that the base attribute supplied to
createWebResourceSet( org.apache.catalina.WebResourceRoot.ResourceSetType, String, String, String, String)represents the absolute path to a file.
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Nested Class Summary
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Nested classes/interfaces inherited from interface org.apache.catalina.Lifecycle
Lifecycle.SingleUse
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Nested classes/interfaces inherited from interface org.apache.catalina.WebResourceRoot
WebResourceRoot.ArchiveIndexStrategy, WebResourceRoot.CacheStrategy, WebResourceRoot.ResourceSetType
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Field Summary
Fields Modifier and Type Field Description protected static StringManagersm-
Fields inherited from interface org.apache.catalina.Lifecycle
AFTER_DESTROY_EVENT, AFTER_INIT_EVENT, AFTER_START_EVENT, AFTER_STOP_EVENT, BEFORE_DESTROY_EVENT, BEFORE_INIT_EVENT, BEFORE_START_EVENT, BEFORE_STOP_EVENT, CONFIGURE_START_EVENT, CONFIGURE_STOP_EVENT, PERIODIC_EVENT, START_EVENT, STOP_EVENT
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Constructor Summary
Constructors Constructor Description StandardRoot()Creates a new standard implementation ofWebResourceRoot.StandardRoot(Context context)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected voidaddClassResources(WebResourceSet webResourceSet)voidaddJarResources(WebResourceSet webResourceSet)Adds the provided WebResourceSet to this web application as a 'Jar' resource.voidaddPostResources(WebResourceSet webResourceSet)Adds the provided WebResourceSet to this web application as a 'Post' resource.voidaddPreResources(WebResourceSet webResourceSet)Adds the provided WebResourceSet to this web application as a 'Pre' resource.voidbackgroundProcess()This method will be invoked by the context on a periodic basis and allows the implementation a method that executes periodic tasks, such as purging expired cache entries.protected WebResourceSetcreateMainResourceSet()voidcreateWebResourceSet(WebResourceRoot.ResourceSetType type, String webAppMount, String base, String archivePath, String internalPath)Creates a newWebResourceSetfor thisWebResourceRootbased on the provided parameters.voidcreateWebResourceSet(WebResourceRoot.ResourceSetType type, String webAppMount, URL url, String internalPath)Creates a newWebResourceSetfor thisWebResourceRootbased on the provided parameters.voidderegisterTrackedResource(TrackedWebResource trackedResource)Stop tracking specified resource, once it no longer needs to free resources.protected voiddestroyInternal()Sub-classes wishing to perform additional clean-up should override this method, ensuring that super.destroyInternal() is the last call in the overriding method.voidgc()Implementations may cache some information to improve performance.booleangetAllowLinking()Determine if this resources allow the use of symbolic links.StringgetArchiveIndexStrategy()Get the strategy to use for the resources archive lookup.WebResourceRoot.ArchiveIndexStrategygetArchiveIndexStrategyEnum()Get the strategy to use for the resources archive lookup.List<URL>getBaseUrls()longgetCacheMaxSize()Get the maximum permitted size for the cache.intgetCacheObjectMaxSize()Get the maximum permitted size for a single object in the cache.WebResourceRoot.CacheStrategygetCacheStrategy()Obtain the current caching strategy.longgetCacheTtl()Get the Time-To-Live (TTL) for cache entries.WebResourcegetClassLoaderResource(String path)Obtain the object that represents the class loader resource at the given path.WebResource[]getClassLoaderResources(String path)Obtain the objects that represent the class loader resource at the given path.protected WebResourceSet[]getClassResources()ContextgetContext()protected StringgetDomainInternal()Method implemented by sub-classes to identify the domain in which MBeans should be registered.WebResourceSet[]getJarResources()protected StringgetObjectNameKeyProperties()Allow sub-classes to specify the key properties component of theObjectNamethat will be used to register this component.WebResourceSet[]getPostResources()WebResourceSet[]getPreResources()WebResourcegetResource(String path)Obtain the object that represents the resource at the given path.protected WebResourcegetResource(String path, boolean validate, boolean useClassLoaderResources)protected WebResourcegetResourceInternal(String path, boolean useClassLoaderResources)WebResource[]getResources(String path)Obtain the objects that represent the resource at the given path.protected WebResource[]getResourcesInternal(String path, boolean useClassLoaderResources)List<String>getTrackedResources()booleangetTrackLockedFiles()Has the track locked files feature been enabled?protected voidinitInternal()Sub-classes wishing to perform additional initialization should override this method, ensuring that super.initInternal() is the first call in the overriding method.booleanisCachingAllowed()protected booleanisPackedWarFile()String[]list(String path)Obtain the list of the names of all of the files and directories located in the specified directory.WebResource[]listResources(String path)Obtain the list of all of the WebResources in the specified directory.protected WebResource[]listResources(String path, boolean validate)Set<String>listWebAppPaths(String path)Obtain the Set of the web applications pathnames of all of the files and directories located in the specified directory.booleanmkdir(String path)Create a new directory at the given path.protected voidprocessWebInfLib()Class loader resources are handled by treating JARs in WEB-INF/lib as resource JARs (without the internal META-INF/resources/ prefix) mounted at WEB-INF/classes (rather than the web app root).voidregisterTrackedResource(TrackedWebResource trackedResource)Add a specified resource to track to be able to later release resources on stop.protected voidregisterURLStreamHandlerFactory()voidsetAllowLinking(boolean allowLinking)Configure if this resources allow the use of symbolic links.voidsetArchiveIndexStrategy(String archiveIndexStrategy)Set the strategy to use for the resources archive lookup.voidsetCacheMaxSize(long cacheMaxSize)Set the maximum permitted size for the cache.voidsetCacheObjectMaxSize(int cacheObjectMaxSize)Set the maximum permitted size for a single object in the cache.voidsetCacheStrategy(WebResourceRoot.CacheStrategy strategy)Set the current caching strategy.voidsetCacheTtl(long cacheTtl)Set the Time-To-Live (TTL) for cache entries.voidsetCachingAllowed(boolean cachingAllowed)Set whether or not caching is permitted for this web application.voidsetContext(Context context)Set the web application this WebResourceRoot is associated with.protected voidsetMainResources(WebResourceSet main)For unit testing.voidsetTrackLockedFiles(boolean trackLockedFiles)Controls whether the track locked files feature is enabled.protected voidstartInternal()Sub-classes must ensure that the state is changed toLifecycleState.STARTINGduring the execution of this method.protected voidstopInternal()Sub-classes must ensure that the state is changed toLifecycleState.STOPPINGduring the execution of this method.booleanwrite(String path, InputStream is, boolean overwrite)Create a new resource at the requested path using the provided InputStream.-
Methods inherited from class org.apache.catalina.util.LifecycleMBeanBase
getDomain, getObjectName, postDeregister, postRegister, preDeregister, preRegister, register, setDomain, unregister, unregister
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Methods inherited from class org.apache.catalina.util.LifecycleBase
addLifecycleListener, destroy, findLifecycleListeners, fireLifecycleEvent, getState, getStateName, getThrowOnFailure, init, removeLifecycleListener, setState, setState, setThrowOnFailure, start, stop
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.apache.catalina.Lifecycle
addLifecycleListener, destroy, findLifecycleListeners, getState, getStateName, init, removeLifecycleListener, start, stop
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Field Detail
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sm
protected static final StringManager sm
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Constructor Detail
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StandardRoot
public StandardRoot()
Creates a new standard implementation ofWebResourceRoot. A no argument constructor is required for this to work with the digester.setContext(Context)must be called before this component is initialized.
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StandardRoot
public StandardRoot(Context context)
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Method Detail
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list
public String[] list(String path)
Description copied from interface:WebResourceRootObtain the list of the names of all of the files and directories located in the specified directory.- Specified by:
listin interfaceWebResourceRoot- Parameters:
path- The path for the resource of interest relative to the root of the web application. It must start with '/'.- Returns:
- The list of resources. If path does not refer to a directory then a zero length array will be returned.
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listWebAppPaths
public Set<String> listWebAppPaths(String path)
Description copied from interface:WebResourceRootObtain the Set of the web applications pathnames of all of the files and directories located in the specified directory. Paths representing directories will end with a '/' character.- Specified by:
listWebAppPathsin interfaceWebResourceRoot- Parameters:
path- The path for the resource of interest relative to the root of the web application. It must start with '/'.- Returns:
- The Set of resources. If path does not refer to a directory then null will be returned.
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mkdir
public boolean mkdir(String path)
Description copied from interface:WebResourceRootCreate a new directory at the given path.- Specified by:
mkdirin interfaceWebResourceRoot- Parameters:
path- The path for the new resource to create relative to the root of the web application. It must start with '/'.- Returns:
trueif the directory was created, otherwisefalse
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write
public boolean write(String path, InputStream is, boolean overwrite)
Description copied from interface:WebResourceRootCreate a new resource at the requested path using the provided InputStream.- Specified by:
writein interfaceWebResourceRoot- Parameters:
path- The path to be used for the new Resource. It is relative to the root of the web application and must start with '/'.is- The InputStream that will provide the content for the new Resource.overwrite- Iftrueand the resource already exists it will be overwritten. Iffalseand the resource already exists the write will fail.- Returns:
trueif and only if the new Resource is written
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getResource
public WebResource getResource(String path)
Description copied from interface:WebResourceRootObtain the object that represents the resource at the given path. Note that the resource at that path may not exist. If the resource does not exist, the WebResource returned will be associated with the main WebResourceSet.- Specified by:
getResourcein interfaceWebResourceRoot- Parameters:
path- The path for the resource of interest relative to the root of the web application. It must start with '/'.- Returns:
- The object that represents the resource at the given path
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getResource
protected WebResource getResource(String path, boolean validate, boolean useClassLoaderResources)
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getClassLoaderResource
public WebResource getClassLoaderResource(String path)
Description copied from interface:WebResourceRootObtain the object that represents the class loader resource at the given path. WEB-INF/classes is always searched prior to searching JAR files in WEB-INF/lib. The search order for JAR files will be consistent across subsequent calls to this method until the web application is reloaded. No guarantee is made as to what the search order for JAR files may be.- Specified by:
getClassLoaderResourcein interfaceWebResourceRoot- Parameters:
path- The path of the class loader resource of interest relative to the the root of class loader resources for this web application.- Returns:
- The object that represents the class loader resource at the given path
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getClassLoaderResources
public WebResource[] getClassLoaderResources(String path)
Description copied from interface:WebResourceRootObtain the objects that represent the class loader resource at the given path. Note that the resource at that path may not exist. If the path does not exist, the WebResource returned will be associated with the main WebResourceSet. This will include all matches even if the resource would not normally be accessible (e.g. because it was overridden by another resource)- Specified by:
getClassLoaderResourcesin interfaceWebResourceRoot- Parameters:
path- The path for the class loader resource of interest relative to the root of the class loader resources for the web application. It must start with '/'.- Returns:
- The objects that represents the class loader resources at the given path. There will always be at least one element although that element may represent a resource that is not present.
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getResourceInternal
protected final WebResource getResourceInternal(String path, boolean useClassLoaderResources)
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getResources
public WebResource[] getResources(String path)
Description copied from interface:WebResourceRootObtain the objects that represent the resource at the given path. Note that the resource at that path may not exist. If the resource does not exist, the WebResource returned will be associated with the main WebResourceSet. This will include all matches even if the resource would not normally be accessible (e.g. because it was overridden by another resource)- Specified by:
getResourcesin interfaceWebResourceRoot- Parameters:
path- The path for the resource of interest relative to the root of the web application. It must start with '/'.- Returns:
- The objects that represents the resource at the given path
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getResourcesInternal
protected WebResource[] getResourcesInternal(String path, boolean useClassLoaderResources)
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listResources
public WebResource[] listResources(String path)
Description copied from interface:WebResourceRootObtain the list of all of the WebResources in the specified directory.- Specified by:
listResourcesin interfaceWebResourceRoot- Parameters:
path- The path for the resource of interest relative to the root of the web application. It must start with '/'.- Returns:
- The list of resources. If path does not refer to a directory then a zero length array will be returned.
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listResources
protected WebResource[] listResources(String path, boolean validate)
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createWebResourceSet
public void createWebResourceSet(WebResourceRoot.ResourceSetType type, String webAppMount, URL url, String internalPath)
Description copied from interface:WebResourceRootCreates a newWebResourceSetfor thisWebResourceRootbased on the provided parameters.- Specified by:
createWebResourceSetin interfaceWebResourceRoot- Parameters:
type- The type ofWebResourceSetto createwebAppMount- The path within the web application that the resources should be published at. It must start with '/'.url- The URL of the resource (must locate a JAR, file or directory)internalPath- The path within the resource where the content is to be found. It must start with '/'.
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createWebResourceSet
public void createWebResourceSet(WebResourceRoot.ResourceSetType type, String webAppMount, String base, String archivePath, String internalPath)
Description copied from interface:WebResourceRootCreates a newWebResourceSetfor thisWebResourceRootbased on the provided parameters.- Specified by:
createWebResourceSetin interfaceWebResourceRoot- Parameters:
type- The type ofWebResourceSetto createwebAppMount- The path within the web application that the resources should be published at. It must start with '/'.base- The location of the resourcesarchivePath- The path within the resource to the archive where the content is to be found. If there is no archive then this should benull.internalPath- The path within the archive (or the resource if the archivePath isnullwhere the content is to be found. It must start with '/'.
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addPreResources
public void addPreResources(WebResourceSet webResourceSet)
Description copied from interface:WebResourceRootAdds the provided WebResourceSet to this web application as a 'Pre' resource.- Specified by:
addPreResourcesin interfaceWebResourceRoot- Parameters:
webResourceSet- the resource set to use
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getPreResources
public WebResourceSet[] getPreResources()
- Specified by:
getPreResourcesin interfaceWebResourceRoot- Returns:
- the list of WebResourceSet configured to this web application as a 'Pre' resource.
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addJarResources
public void addJarResources(WebResourceSet webResourceSet)
Description copied from interface:WebResourceRootAdds the provided WebResourceSet to this web application as a 'Jar' resource.- Specified by:
addJarResourcesin interfaceWebResourceRoot- Parameters:
webResourceSet- the resource set to use
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getJarResources
public WebResourceSet[] getJarResources()
- Specified by:
getJarResourcesin interfaceWebResourceRoot- Returns:
- the list of WebResourceSet configured to this web application as a 'Jar' resource.
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addPostResources
public void addPostResources(WebResourceSet webResourceSet)
Description copied from interface:WebResourceRootAdds the provided WebResourceSet to this web application as a 'Post' resource.- Specified by:
addPostResourcesin interfaceWebResourceRoot- Parameters:
webResourceSet- the resource set to use
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getPostResources
public WebResourceSet[] getPostResources()
- Specified by:
getPostResourcesin interfaceWebResourceRoot- Returns:
- the list of WebResourceSet configured to this web application as a 'Post' resource.
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getClassResources
protected WebResourceSet[] getClassResources()
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addClassResources
protected void addClassResources(WebResourceSet webResourceSet)
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setAllowLinking
public void setAllowLinking(boolean allowLinking)
Description copied from interface:WebResourceRootConfigure if this resources allow the use of symbolic links.- Specified by:
setAllowLinkingin interfaceWebResourceRoot- Parameters:
allowLinking-trueif symbolic links are allowed.
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getAllowLinking
public boolean getAllowLinking()
Description copied from interface:WebResourceRootDetermine if this resources allow the use of symbolic links.- Specified by:
getAllowLinkingin interfaceWebResourceRoot- Returns:
trueif symbolic links are allowed
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setCachingAllowed
public void setCachingAllowed(boolean cachingAllowed)
Description copied from interface:WebResourceRootSet whether or not caching is permitted for this web application.- Specified by:
setCachingAllowedin interfaceWebResourceRoot- Parameters:
cachingAllowed-trueto enable caching, elsefalse
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isCachingAllowed
public boolean isCachingAllowed()
- Specified by:
isCachingAllowedin interfaceWebResourceRoot- Returns:
trueif caching is permitted for this web application.
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getCacheStrategy
public WebResourceRoot.CacheStrategy getCacheStrategy()
Description copied from interface:WebResourceRootObtain the current caching strategy.The default implementation returns
null. Sub-classes wishing to utilise aWebResourceRoot.CacheStrategyshould provide an appropriate implementation.- Specified by:
getCacheStrategyin interfaceWebResourceRoot- Returns:
- the current caching strategy or
nullif no strategy has been configured
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setCacheStrategy
public void setCacheStrategy(WebResourceRoot.CacheStrategy strategy)
Description copied from interface:WebResourceRootSet the current caching strategy.The default implementation is a NO-OP. Sub-classes wishing to utilise a
WebResourceRoot.CacheStrategyshould provide an appropriate implementation.- Specified by:
setCacheStrategyin interfaceWebResourceRoot- Parameters:
strategy- The new strategy to use ornullfor no strategy
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getCacheTtl
public long getCacheTtl()
Description copied from interface:WebResourceRootGet the Time-To-Live (TTL) for cache entries.- Specified by:
getCacheTtlin interfaceWebResourceRoot- Returns:
- TTL in milliseconds
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setCacheTtl
public void setCacheTtl(long cacheTtl)
Description copied from interface:WebResourceRootSet the Time-To-Live (TTL) for cache entries.- Specified by:
setCacheTtlin interfaceWebResourceRoot- Parameters:
cacheTtl- TTL in milliseconds
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getCacheMaxSize
public long getCacheMaxSize()
Description copied from interface:WebResourceRootGet the maximum permitted size for the cache.- Specified by:
getCacheMaxSizein interfaceWebResourceRoot- Returns:
- Maximum cache size in kilobytes
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setCacheMaxSize
public void setCacheMaxSize(long cacheMaxSize)
Description copied from interface:WebResourceRootSet the maximum permitted size for the cache.- Specified by:
setCacheMaxSizein interfaceWebResourceRoot- Parameters:
cacheMaxSize- Maximum cache size in kilobytes
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setCacheObjectMaxSize
public void setCacheObjectMaxSize(int cacheObjectMaxSize)
Description copied from interface:WebResourceRootSet the maximum permitted size for a single object in the cache. Note that the maximum size in bytes may not exceedInteger.MAX_VALUE.- Specified by:
setCacheObjectMaxSizein interfaceWebResourceRoot- Parameters:
cacheObjectMaxSize- Maximum size for a single cached object in kilobytes
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getCacheObjectMaxSize
public int getCacheObjectMaxSize()
Description copied from interface:WebResourceRootGet the maximum permitted size for a single object in the cache. Note that the maximum size in bytes may not exceedInteger.MAX_VALUE.- Specified by:
getCacheObjectMaxSizein interfaceWebResourceRoot- Returns:
- Maximum size for a single cached object in kilobytes
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setTrackLockedFiles
public void setTrackLockedFiles(boolean trackLockedFiles)
Description copied from interface:WebResourceRootControls whether the track locked files feature is enabled. If enabled, all calls to methods that return objects that lock a file and need to be closed to release that lock (e.g.WebResource.getInputStream()will perform a number of additional tasks.- The stack trace at the point where the method was called will be recorded and associated with the returned object.
- The returned object will be wrapped so that the point where close() (or equivalent) is called to release the resources can be detected. Tracking of the object will cease once the resources have been released.
- All remaining locked resources on web application shutdown will be logged and then closed.
- Specified by:
setTrackLockedFilesin interfaceWebResourceRoot- Parameters:
trackLockedFiles-trueto enable it,falseto disable it
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getTrackLockedFiles
public boolean getTrackLockedFiles()
Description copied from interface:WebResourceRootHas the track locked files feature been enabled?- Specified by:
getTrackLockedFilesin interfaceWebResourceRoot- Returns:
trueif it has been enabled, otherwisefalse
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setArchiveIndexStrategy
public void setArchiveIndexStrategy(String archiveIndexStrategy)
Description copied from interface:WebResourceRootSet the strategy to use for the resources archive lookup.- Specified by:
setArchiveIndexStrategyin interfaceWebResourceRoot- Parameters:
archiveIndexStrategy- The strategy to use for the resources archive lookup
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getArchiveIndexStrategy
public String getArchiveIndexStrategy()
Description copied from interface:WebResourceRootGet the strategy to use for the resources archive lookup.- Specified by:
getArchiveIndexStrategyin interfaceWebResourceRoot- Returns:
- The strategy to use for the resources archive lookup
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getArchiveIndexStrategyEnum
public WebResourceRoot.ArchiveIndexStrategy getArchiveIndexStrategyEnum()
Description copied from interface:WebResourceRootGet the strategy to use for the resources archive lookup.- Specified by:
getArchiveIndexStrategyEnumin interfaceWebResourceRoot- Returns:
- The strategy to use for the resources archive lookup
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getContext
public Context getContext()
- Specified by:
getContextin interfaceWebResourceRoot- Returns:
- the web application this WebResourceRoot is associated with.
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setContext
public void setContext(Context context)
Description copied from interface:WebResourceRootSet the web application this WebResourceRoot is associated with.- Specified by:
setContextin interfaceWebResourceRoot- Parameters:
context- the associated context
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processWebInfLib
protected void processWebInfLib() throws LifecycleExceptionClass loader resources are handled by treating JARs in WEB-INF/lib as resource JARs (without the internal META-INF/resources/ prefix) mounted at WEB-INF/classes (rather than the web app root). This enables reuse of the resource handling plumbing. These resources are marked as class loader only so they are only used in the methods that are explicitly defined to return class loader resources. This prevents calls to getResource("/WEB-INF/classes") returning from one or more of the JAR files.- Throws:
LifecycleException- If an error occurs that should stop the web application from starting
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setMainResources
protected final void setMainResources(WebResourceSet main)
For unit testing.- Parameters:
main- The main resources
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backgroundProcess
public void backgroundProcess()
Description copied from interface:WebResourceRootThis method will be invoked by the context on a periodic basis and allows the implementation a method that executes periodic tasks, such as purging expired cache entries.- Specified by:
backgroundProcessin interfaceWebResourceRoot
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gc
public void gc()
Description copied from interface:WebResourceRootImplementations may cache some information to improve performance. This method triggers the clean-up of those resources.- Specified by:
gcin interfaceWebResourceRoot
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registerTrackedResource
public void registerTrackedResource(TrackedWebResource trackedResource)
Description copied from interface:WebResourceRootAdd a specified resource to track to be able to later release resources on stop.- Specified by:
registerTrackedResourcein interfaceWebResourceRoot- Parameters:
trackedResource- the resource that will be tracked
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deregisterTrackedResource
public void deregisterTrackedResource(TrackedWebResource trackedResource)
Description copied from interface:WebResourceRootStop tracking specified resource, once it no longer needs to free resources.- Specified by:
deregisterTrackedResourcein interfaceWebResourceRoot- Parameters:
trackedResource- the resource that was tracked
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getBaseUrls
public List<URL> getBaseUrls()
- Specified by:
getBaseUrlsin interfaceWebResourceRoot- Returns:
- the set of
WebResourceSet.getBaseUrl()for allWebResourceSets used by this root.
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isPackedWarFile
protected boolean isPackedWarFile()
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getDomainInternal
protected String getDomainInternal()
Description copied from class:LifecycleMBeanBaseMethod implemented by sub-classes to identify the domain in which MBeans should be registered.- Specified by:
getDomainInternalin classLifecycleMBeanBase- Returns:
- The name of the domain to use to register MBeans.
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getObjectNameKeyProperties
protected String getObjectNameKeyProperties()
Description copied from class:LifecycleMBeanBaseAllow sub-classes to specify the key properties component of theObjectNamethat will be used to register this component.- Specified by:
getObjectNameKeyPropertiesin classLifecycleMBeanBase- Returns:
- The string representation of the key properties component of the
desired
ObjectName
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initInternal
protected void initInternal() throws LifecycleExceptionDescription copied from class:LifecycleMBeanBaseSub-classes wishing to perform additional initialization should override this method, ensuring that super.initInternal() is the first call in the overriding method.- Overrides:
initInternalin classLifecycleMBeanBase- Throws:
LifecycleException- If the initialisation fails
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registerURLStreamHandlerFactory
protected void registerURLStreamHandlerFactory()
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startInternal
protected void startInternal() throws LifecycleExceptionDescription copied from class:LifecycleBaseSub-classes must ensure that the state is changed toLifecycleState.STARTINGduring the execution of this method. Changing state will trigger theLifecycle.START_EVENTevent. If a component fails to start it may either throw aLifecycleExceptionwhich will cause it's parent to fail to start or it can place itself in the error state in which caseLifecycleBase.stop()will be called on the failed component but the parent component will continue to start normally.- Specified by:
startInternalin classLifecycleBase- Throws:
LifecycleException- Start error occurred
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createMainResourceSet
protected WebResourceSet createMainResourceSet()
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stopInternal
protected void stopInternal() throws LifecycleExceptionDescription copied from class:LifecycleBaseSub-classes must ensure that the state is changed toLifecycleState.STOPPINGduring the execution of this method. Changing state will trigger theLifecycle.STOP_EVENTevent.- Specified by:
stopInternalin classLifecycleBase- Throws:
LifecycleException- Stop error occurred
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destroyInternal
protected void destroyInternal() throws LifecycleExceptionDescription copied from class:LifecycleMBeanBaseSub-classes wishing to perform additional clean-up should override this method, ensuring that super.destroyInternal() is the last call in the overriding method.- Overrides:
destroyInternalin classLifecycleMBeanBase- Throws:
LifecycleException- If the destruction fails
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