org.openide.loaders
Interface DataObject.Factory

All Known Implementing Classes:

DataLoader, MultiFileLoader, UniFileLoader

Enclosing class:

DataObject

public static interface DataObject.Factory

Factory interface for converting file object to data objects. Read more about the layer based registrations in separate document.

Since:

7.0

Method Summary

DataObject

findDataObject(FileObject fo, Set<? super FileObject> recognized) Find a data object appropriate to the given file object--the meat of this class.

Method Detail

findDataObject

DataObject findDataObject(FileObject fo,
                          Set<? super FileObject> recognized)
                          throws IOException

Find a data object appropriate to the given file object--the meat of this class. The loader can add all files it has recognized into the recognized buffer. Then all these files will be excluded from further processing.

Parameters:

fo - file object to recognize

recognized - recognized file buffer

Returns:

suitable data object or null if the handler cannot recognize this object (or its group)

Throws:

DataObjectExistsException - if the data object for the primary file already exists

IOException - if the object is recognized but cannot be created

InvalidClassException - if the class is not instance of #getRepresentationClass

See Also:

DataLoader