Package org.apache.jackrabbit.vault.fs.impl

Class VaultFileImpl

java.lang.Object

org.apache.jackrabbit.vault.fs.impl.VaultFileImpl

All Implemented Interfaces:

Dumpable, VaultFile

public class VaultFileImpl
extends Object
implements VaultFile

Implements the bridge between the repository based artifacts nodes and their file system representation as a collection of artifacts.

Field Summary

Fields

Modifier and Type	Field	Description
protected static org.slf4j.Logger	log	The default logger

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	VaultFileImpl(VaultFileSystem fs, String rootPath, VaultFileNode node)	Internal constructor for the root file
protected	VaultFileImpl(VaultFileSystem fs, String name, VaultFileNode node, Artifact artifact)	Internal constructor

Method Summary

Modifier and Type	Method	Description
protected void	addPendingNode(VaultFileNode n)	Adds a node to the map of pending ones
protected void	attach(VaultFileNode node, Artifact a)
boolean	canRead()	Checks if this file can be read from (eg. if it's not a directory)
void	dump(DumpContext ctx, boolean isLast)	Dumps some human readable information using the given context.
Aggregate	getAggregate()	Returns the artifacts node of this file or null if it's transient
String	getAggregatePath()
Artifact	getArtifact()	Returns the underlying artifact for this os file.
VaultFileImpl	getChild(String name)	Returns the child with the given name or null
Collection<? extends VaultFile>	getChildren()	Returns a collection of the children
String	getContentType()	Returns the content type of this file or null if the type cannot be determined or if it's a directory.
Aggregate	getControllingAggregate()	Returns the aggregate that controls this file.
VaultFileSystem	getFileSystem()	Returns the underlying file system.
String	getName()	Returns the name of this file.
protected VaultFileImpl	getOrAddChild(String name)	Returns the child of the given name or creates and adds a new one.
VaultFileImpl	getParent()	Returns the parent file or null if this is the root file.
String	getPath()	Returns the os path
Collection<? extends VaultFile>	getRelated()	Returns the os file set for this file.
String	getRepoRelPath()
protected void	init(VaultFileNode node, Artifact a)	(re)initializes this file
void	invalidate()
boolean	isDirectory()	Checks if this file is a directory.
boolean	isTransient()	Checks if this file is transient. a file is transient if it's only used as hierarchical node for a deeper 'real' file. i.e.
long	lastModified()	Returns the last modified date or 0 if not known.
long	length()	Returns the length of the serialized data if it's known without doing the actual serialization.

Methods inherited from class java.lang.Object

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

Field Detail

log

protected static org.slf4j.Logger log

The default logger

Constructor Detail

VaultFileImpl

protected VaultFileImpl(VaultFileSystem fs,
                        String rootPath,
                        VaultFileNode node)
                 throws javax.jcr.RepositoryException

Internal constructor for the root file

Parameters:

fs - the file system

rootPath - path of the root node

node - the node

Throws:

javax.jcr.RepositoryException - if an error occurs

VaultFileImpl

protected VaultFileImpl(VaultFileSystem fs,
                        String name,
                        VaultFileNode node,
                        Artifact artifact)
                 throws javax.jcr.RepositoryException

Internal constructor

Parameters:

fs - the file system

name - the file entry name

node - the node

artifact - the underlying artifact. can be null

Throws:

javax.jcr.RepositoryException - if an error occurs

Method Detail

init

protected void init(VaultFileNode node,
                    Artifact a)
             throws javax.jcr.RepositoryException

(re)initializes this file

Parameters:

node - the artifacts node

a - the artifact

Throws:

javax.jcr.RepositoryException - if an error occurs

attach

protected void attach(VaultFileNode node,
                      Artifact a)

getPath

public String getPath()

Description copied from interface: VaultFile

Returns the os path

Specified by:

getPath in interface VaultFile

Returns:

the os path.

getRepoRelPath

public String getRepoRelPath()

Specified by:

getRepoRelPath in interface VaultFile

getAggregatePath

public String getAggregatePath()

Specified by:

getAggregatePath in interface VaultFile

getName

public String getName()

Description copied from interface: VaultFile

Returns the name of this file.

Specified by:

getName in interface VaultFile

Returns:

the name of this file.

getArtifact

public Artifact getArtifact()

Description copied from interface: VaultFile

Returns the underlying artifact for this os file. If this file represents the Meta-Directory null is returned.

Specified by:

getArtifact in interface VaultFile

Returns:

the artifact or null.

isDirectory

public boolean isDirectory()

Description copied from interface: VaultFile

Checks if this file is a directory.

Specified by:

isDirectory in interface VaultFile

Returns:

true if this file is a directory.

isTransient

public boolean isTransient()

Description copied from interface: VaultFile

Checks if this file is transient. a file is transient if it's only used as hierarchical node for a deeper 'real' file. i.e.

Specified by:

isTransient in interface VaultFile

Returns:

true if this file is transient

getParent

public VaultFileImpl getParent()
                        throws IOException,
                               javax.jcr.RepositoryException

Description copied from interface: VaultFile

Returns the parent file or null if this is the root file.

Specified by:

getParent in interface VaultFile

Returns:

the parent file.

Throws:

IOException - if an I/O error occurs.

javax.jcr.RepositoryException - if a repository error occurs.

getAggregate

public Aggregate getAggregate()

Description copied from interface: VaultFile

Returns the artifacts node of this file or null if it's transient

Specified by:

getAggregate in interface VaultFile

Returns:

the artifacts node

getControllingAggregate

public Aggregate getControllingAggregate()

Description copied from interface: VaultFile

Returns the aggregate that controls this file.

Specified by:

getControllingAggregate in interface VaultFile

Returns:

the artifacts node

getChild

public VaultFileImpl getChild(String name)
                       throws javax.jcr.RepositoryException

Description copied from interface: VaultFile

Returns the child with the given name or null

Specified by:

getChild in interface VaultFile

Parameters:

name - the name of the child

Returns:

the child or null

Throws:

javax.jcr.RepositoryException - if an error occurs

getChildren

public Collection<? extends VaultFile> getChildren()
                                            throws javax.jcr.RepositoryException

Description copied from interface: VaultFile

Returns a collection of the children

Specified by:

getChildren in interface VaultFile

Returns:

a collection of the children

Throws:

javax.jcr.RepositoryException - if an error occurs

addPendingNode

protected void addPendingNode(VaultFileNode n)
                       throws javax.jcr.RepositoryException

Adds a node to the map of pending ones

Parameters:

n - the node

Throws:

javax.jcr.RepositoryException - if an error occurs

getOrAddChild

protected VaultFileImpl getOrAddChild(String name)
                               throws javax.jcr.RepositoryException

Returns the child of the given name or creates and adds a new one.

Parameters:

name - the name of the file

Returns:

the child

Throws:

javax.jcr.RepositoryException - if an error occurs

getRelated

public Collection<? extends VaultFile> getRelated()
                                           throws javax.jcr.RepositoryException

Description copied from interface: VaultFile

Returns the os file set for this file. The set contains those are the files that are generated from the same jcr file.

Specified by:

getRelated in interface VaultFile

Returns:

the file set of related files

Throws:

javax.jcr.RepositoryException - if an error occurs.

canRead

public boolean canRead()

Description copied from interface: VaultFile

Checks if this file can be read from (eg. if it's not a directory)

Specified by:

canRead in interface VaultFile

Returns:

true if this file can be read from.

lastModified

public long lastModified()

Description copied from interface: VaultFile

Returns the last modified date or 0 if not known.

Specified by:

lastModified in interface VaultFile

Returns:

the last modified date or 0

length

public long length()

Description copied from interface: VaultFile

Returns the length of the serialized data if it's known without doing the actual serialization.

Specified by:

length in interface VaultFile

Returns:

the length or -1 if the length cannot be determined.

getContentType

public String getContentType()

Description copied from interface: VaultFile

Returns the content type of this file or null if the type cannot be determined or if it's a directory.

Specified by:

getContentType in interface VaultFile

Returns:

the content type or null.

getFileSystem

public VaultFileSystem getFileSystem()

Description copied from interface: VaultFile

Returns the underlying file system.

Specified by:

getFileSystem in interface VaultFile

Returns:

the Vault filesystem

invalidate

public void invalidate()
                throws javax.jcr.RepositoryException

Specified by:

invalidate in interface VaultFile

Throws:

javax.jcr.RepositoryException

dump

public void dump(DumpContext ctx,
                 boolean isLast)

Dumps some human readable information using the given context.

Specified by:

dump in interface Dumpable

Parameters:

ctx - the dump context

isLast - specifies if this is the last element to dump on this level