org.abstracthorizon.danube.webdav.java
Class JavaWebDAVResourceAdapter

java.lang.Object
  org.abstracthorizon.danube.webdav.java.JavaWebDAVResourceAdapter

All Implemented Interfaces:

ResourceAdapter

public class JavaWebDAVResourceAdapter
extends Object
implements ResourceAdapter

Main class in reflection java resource adapter. This resource adapter allows WebDAV to be used in accessing internals of java objects. It exposes collections, maps, array, spring framework application contexts, java bean properties and methods to the WebDAV handler.

Author:

Daniel Sendula

Field Summary

protected DAVNamespace	davNamespace DAV namespace.
protected static ResponseProperty[]	dirPropertyNames Available property names for 'dirs'
protected static RequestProperty[]	dirRequestProperties Dir request properties
protected static ResponseProperty[]	filePropertyNames Available property names for files
protected static RequestProperty[]	fileRequestProperties File request propertyes
protected LockingMechanism	lockingMechanism Locking mechanism.
protected NamespacesProvider	namespacesProvider Namespace provider.
protected Object	rootObject Root object

Constructor Summary

JavaWebDAVResourceAdapter()
Constructor

JavaWebDAVResourceAdapter(Object rootObject)
Constructor

Method Summary

Object[]	collectionElements(Object resource) Returns null if resource is delegate.
void	copy(Object source, Object destination, boolean recursive) Not implemented
void	delete(Object resource) Not implemented
boolean	exists(Object resource) Returns if resource exists.
protected Object	findObjectImpl(Bean bean) This method returns real object from the given bean
protected Object	findObjectImpl(String resourcePath) This method returns real object from the given path
Object	findParentResource(Object resource) Returns parent resource of the given resource.
Object	findResource(String resourcePath) Finds a resource (object) from the given path.
String	getContentType(Object resource) Returns content type.
RequestProperty[]	getDefaultRequestProperties(Object resource)
ResponseProperty[]	getDefaultResponseProperties(Object resource)
InputStream	getInpusStream(Object resource, long from, long length) Returns input stream.
InputStream	getInputStream(Object resource) Returns input stream.
LockingMechanism	getLockingMechanism() Returns locking mechanism
NamespacesProvider	getNamespacesProvider() Returns namespace provider
OutputStream	getOutputStream(Object resource) Returns output stream.
OutputStream	getOutputStream(Object resource, long from, long length) Returns output stream.
String	getResourceETag(Object resource) Returns etag.
String	getResourceName(Object resource) Returns resource name from the last portion of the path
Object	getRootObject() Returns root object
protected void	initHandlers() Initialises java dav facotry and sets namespace
boolean	isCollection(Object resource) Returns if resource is collection.
void	makeCollection(Object resource) Not implemented
void	move(Object source, Object destination) Not implemented
long	resourceCreated(Object resource) Returns -1
long	resourceLastModified(Object resource) Returns -1
long	resourceLength(Object resource) Returns resource length.
void	setLockingMechanism(LockingMechanism lockingMechanism) Sets locking mechanism
void	setNamespacesProvider(NamespacesProvider namespacesProvider) Sets namespace provider
void	setRootObject(Object root) Sets root object

Methods inherited from class java.lang.Object

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

Field Detail

rootObject

protected Object rootObject

Root object

filePropertyNames

protected static ResponseProperty[] filePropertyNames

Available property names for files

dirPropertyNames

protected static ResponseProperty[] dirPropertyNames

Available property names for 'dirs'

fileRequestProperties

protected static RequestProperty[] fileRequestProperties

File request propertyes

dirRequestProperties

protected static RequestProperty[] dirRequestProperties

Dir request properties

namespacesProvider

protected NamespacesProvider namespacesProvider

Namespace provider. It defaults to SimpleNamespacesProvider.

lockingMechanism

protected LockingMechanism lockingMechanism

Locking mechanism. It defaults to SimpleInMemoryLockingMechanism.

davNamespace

protected DAVNamespace davNamespace

DAV namespace. It defaults to DAVNamespace

Constructor Detail

JavaWebDAVResourceAdapter

public JavaWebDAVResourceAdapter()

Constructor

JavaWebDAVResourceAdapter

public JavaWebDAVResourceAdapter(Object rootObject)

Constructor

Parameters:

rootObject - root object

Method Detail

initHandlers

protected void initHandlers()

Initialises java dav facotry and sets namespace

getRootObject

public Object getRootObject()

Returns root object

Returns:

root object

setRootObject

public void setRootObject(Object root)

Sets root object

Parameters:

root - root object

getNamespacesProvider

public NamespacesProvider getNamespacesProvider()

Returns namespace provider

Specified by:

getNamespacesProvider in interface ResourceAdapter

Returns:

namespace provider

setNamespacesProvider

public void setNamespacesProvider(NamespacesProvider namespacesProvider)

Sets namespace provider

Parameters:

namespacesProvider - namespace provider

getLockingMechanism

public LockingMechanism getLockingMechanism()

Returns locking mechanism

Specified by:

getLockingMechanism in interface ResourceAdapter

Returns:

locking mechanism

setLockingMechanism

public void setLockingMechanism(LockingMechanism lockingMechanism)

Sets locking mechanism

Parameters:

lockingMechanism - locking mechanism

findResource

public Object findResource(String resourcePath)

Finds a resource (object) from the given path. It returns Bean or extension of that object

Specified by:

findResource in interface ResourceAdapter

Parameters:

resourcePath - path to the resource

Returns:

a resource

findObjectImpl

protected Object findObjectImpl(Bean bean)

This method returns real object from the given bean

Parameters:

bean - bean (defines path)

Returns:

an object or null if failed

findObjectImpl

protected Object findObjectImpl(String resourcePath)

This method returns real object from the given path

Parameters:

path - path

Returns:

an object or null if failed

findParentResource

public Object findParentResource(Object resource)

Returns parent resource of the given resource. It takes the path and finds parent of the path and then creates new bean object (or extension) and returns that. If object is already root objec then it returns null

Specified by:

findParentResource in interface ResourceAdapter

Parameters:

resource - existing resource

Returns:

parent resource

resourceLength

public long resourceLength(Object resource)

Returns resource length. It consults Delegate if resource is of that type.

Specified by:

resourceLength in interface ResourceAdapter

Parameters:

resource - resource

Returns:

resource length

resourceLastModified

public long resourceLastModified(Object resource)

Returns -1

Specified by:

resourceLastModified in interface ResourceAdapter

Parameters:

resource - resource

Returns:

-1

resourceCreated

public long resourceCreated(Object resource)

Returns -1

Specified by:

resourceCreated in interface ResourceAdapter

Parameters:

resource - resource

Returns:

-1

getResourceName

public String getResourceName(Object resource)

Returns resource name from the last portion of the path

Specified by:

getResourceName in interface ResourceAdapter

Parameters:

resource - resource name

Returns:

resource name

getResourceETag

public String getResourceETag(Object resource)

Returns etag. It consults Delegate if resource is of that type.

Specified by:

getResourceETag in interface ResourceAdapter

Parameters:

resource - resource

Returns:

etag

exists

public boolean exists(Object resource)

Returns if resource exists.

Specified by:

exists in interface ResourceAdapter

Parameters:

resource - resource

Returns:

true if resource exists.

isCollection

public boolean isCollection(Object resource)

Returns if resource is collection. It consults Delegate if resource is of that type.

Specified by:

isCollection in interface ResourceAdapter

Parameters:

resource - resource

Returns:

true if resource is collection

delete

public void delete(Object resource)
            throws IOException

Not implemented

Specified by:

delete in interface ResourceAdapter

Parameters:

resource - resource

Throws:

IOException - if there were errors while deleting the resource

makeCollection

public void makeCollection(Object resource)
                    throws IOException

Not implemented

Specified by:

makeCollection in interface ResourceAdapter

Parameters:

resource - resource

Throws:

IOException - if there were errors while collection is created

copy

public void copy(Object source,
                 Object destination,
                 boolean recursive)
          throws IOException

Not implemented

Specified by:

copy in interface ResourceAdapter

Parameters:

source - source

destination - destination

recursive - deep copy

Throws:

IOException - if there were errors while copying resource(s)

move

public void move(Object source,
                 Object destination)
          throws IOException

Not implemented

Specified by:

move in interface ResourceAdapter

Parameters:

source - source

destination - destination

Throws:

IOException - if there were errors while moving resource(s)

collectionElements

public Object[] collectionElements(Object resource)

Returns null if resource is delegate. Otherwise returns list of collection, map, arrays, properties, methods, etc..

Specified by:

collectionElements in interface ResourceAdapter

Parameters:

resource - resource

Returns:

object

getDefaultRequestProperties

public RequestProperty[] getDefaultRequestProperties(Object resource)

Specified by:

getDefaultRequestProperties in interface ResourceAdapter

getDefaultResponseProperties

public ResponseProperty[] getDefaultResponseProperties(Object resource)

Specified by:

getDefaultResponseProperties in interface ResourceAdapter

getInputStream

public InputStream getInputStream(Object resource)

Returns input stream. It consults Delegate if resource is of that type.

Specified by:

getInputStream in interface ResourceAdapter

Parameters:

resource - resource

Returns:

input stream or null

getInpusStream

public InputStream getInpusStream(Object resource,
                                  long from,
                                  long length)

Returns input stream. It consults Delegate if resource is of that type.

Specified by:

getInpusStream in interface ResourceAdapter

Parameters:

from - offset

length - length

resource - resource

Returns:

input stream or null

getOutputStream

public OutputStream getOutputStream(Object resource)

Returns output stream. It consults Delegate if resource is of that type.

Specified by:

getOutputStream in interface ResourceAdapter

Parameters:

resource - resource

Returns:

input stream or null

getOutputStream

public OutputStream getOutputStream(Object resource,
                                    long from,
                                    long length)

Returns output stream. It consults Delegate if resource is of that type.

Specified by:

getOutputStream in interface ResourceAdapter

Parameters:

from - offset

length - length

resource - resource

Returns:

output stream or null

getContentType

public String getContentType(Object resource)

Returns content type. It consults Delegate if resource is of that type.

Returns:

content type or "unknown/unknown"