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java.lang.Object org.apache.jackrabbit.server.io.DefaultHandler org.apache.jackrabbit.server.io.VersionHandler
public class VersionHandler
Constructor Summary | |
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VersionHandler()
|
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VersionHandler(IOManager ioManager)
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Method Summary | |
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boolean |
canExport(ExportContext context,
boolean isCollection)
Returns true if the export root is a node and if it contains a child node with name jcr:content in case this
export is not intended for a collection. |
boolean |
canExport(ExportContext context,
DavResource resource)
Returns true, if this handler can run a successful export based on the specified context and resource. |
boolean |
canImport(ImportContext context,
boolean isCollection)
Returns true, if this handler can run a successful import based on the specified context. |
boolean |
canImport(ImportContext context,
DavResource resource)
Returns true, if this handler can run a successful import based on the specified context and resource. |
boolean |
canImport(PropertyImportContext context,
boolean isCollection)
Returns true, if this handler can run a property import based on the specified context. |
boolean |
exportProperties(PropertyExportContext exportContext,
boolean isCollection)
Exports properties to the given context. |
protected Node |
getContentNode(ExportContext context,
boolean isCollection)
Retrieves the content node that contains the data to be exported. |
boolean |
importContent(ImportContext context,
boolean isCollection)
Runs the import for the given context and indicates by a boolean return value, if the import could be completed successfully. |
boolean |
importContent(ImportContext context,
DavResource resource)
Runs the import for the given context and resource. |
Map |
importProperties(PropertyImportContext importContext,
boolean isCollection)
Imports, modifies or removes properties according the the change list available from
the import context. |
Methods inherited from class org.apache.jackrabbit.server.io.DefaultHandler |
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canExport, exportContent, exportContent, exportData, exportProperties, getCollectionNodeType, getContentNode, getContentNodeType, getIOManager, getName, getNodeType, importData, importProperties, setIOManager |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.apache.jackrabbit.server.io.IOHandler |
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exportContent, exportContent, getIOManager, getName, setIOManager |
Constructor Detail |
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public VersionHandler()
public VersionHandler(IOManager ioManager)
Method Detail |
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public boolean canImport(ImportContext context, boolean isCollection)
IOHandler
canImport
in interface IOHandler
canImport
in class DefaultHandler
IOHandler.canImport(ImportContext, boolean)
public boolean canImport(ImportContext context, DavResource resource)
IOHandler
IOHandler.canImport(ImportContext, boolean)
where the isCollection flag is determined by
DavResource.isCollection()
.
canImport
in interface IOHandler
canImport
in class DefaultHandler
IOHandler.canImport(ImportContext, DavResource)
public boolean importContent(ImportContext context, boolean isCollection) throws IOException
IOHandler
ImportContext
does not provide a stream
the implementation is free, to only import properties of to refuse the
import.ImportContext
to assert, that its stream is not consumed
multiple times when being passed to a chain of IOHandler
s.
importContent
in interface IOHandler
importContent
in class DefaultHandler
IOException
- if an unexpected error occurs or if this method has
been called although IOHandler.canImport(ImportContext, boolean)
returns false.IOHandler.importContent(ImportContext, boolean)
public boolean importContent(ImportContext context, DavResource resource) throws IOException
IOHandler
ImportContext
does not provide a stream
the implementation is free, to only import properties of to refuse the
import. A simple implementation may return the same as
IOHandler.importContent(ImportContext, boolean)
where the
isCollection flag is determined by DavResource.isCollection()
ImportContext
to assert, that its stream is not consumed
multiple times when being passed to a chain of IOHandler
s.
importContent
in interface IOHandler
importContent
in class DefaultHandler
IOException
- if an unexpected error occurs or if this method has
been called although IOHandler.canImport(ImportContext, DavResource)
returns false.IOHandler.importContent(ImportContext, DavResource)
public boolean canExport(ExportContext context, boolean isCollection)
DefaultHandler
jcr:content
in case this
export is not intended for a collection.
canExport
in interface IOHandler
canExport
in class DefaultHandler
context
- isCollection
-
Version
node. False otherwise.IOHandler.canExport(ExportContext, boolean)
public boolean canExport(ExportContext context, DavResource resource)
IOHandler
IOHandler.canExport(ExportContext, boolean)
where the isCollection flag is determined by
DavResource.isCollection()
.
canExport
in interface IOHandler
canExport
in class DefaultHandler
Version
node. False otherwise.IOHandler.canExport(ExportContext, DavResource)
public boolean canImport(PropertyImportContext context, boolean isCollection)
PropertyHandler
canImport
in interface PropertyHandler
canImport
in class DefaultHandler
PropertyHandler
can import properties
given the specified parameters.public Map importProperties(PropertyImportContext importContext, boolean isCollection) throws RepositoryException
PropertyHandler
change list
available from
the import context. Note, that according to JSR 170 setting a property
value to null
is equivalent to its removal.
The return value of this method must be used to provided detailed
information about any kind of failures.
importProperties
in interface PropertyHandler
importProperties
in class DefaultHandler
RepositoryException
- If
PropertyHandler.canImport(PropertyImportContext, boolean)
returns false for the given parameters or if some other unrecoverable
error occured. Note, that normal failure of a property update must be
reported with the return value and should not result in an exception.public boolean exportProperties(PropertyExportContext exportContext, boolean isCollection) throws RepositoryException
PropertyHandler
IOHandler.exportContent(ExportContext, boolean)
.
exportProperties
in interface PropertyHandler
exportProperties
in class DefaultHandler
RepositoryException
- If an attempt is made to export properties
even if PropertyHandler#canExport{PropertyExportContext, boolean)}
returns false or if some other unrecoverable error occurs.PropertyHandler.exportProperties(PropertyExportContext, boolean)
protected Node getContentNode(ExportContext context, boolean isCollection) throws RepositoryException
getContentNode
in class DefaultHandler
context
- isCollection
-
RepositoryException
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