org.openide.loaders (NetBeans Loaders API) - NetBeans API Javadoc 5.5.1

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org.openide.loaders 5.9.31

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Package org.openide.loaders

Datasystems are the logical layer between a filesystem and the regular functions of the IDE.

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Description

Interface Summary

ChangeableDataFilter Allows certain data objects to be excluded from being displayed.

DataFilter Allows certain data objects to be excluded from being displayed.

DataLoader.RecognizedFiles Buffer holding a list of primary and secondary files marked as already recognized, to prevent further scanning.

DataObject.Container Interface for objects that can contain other data objects.

Environment.Provider Cookie for objects that plan to provide environment.

FolderRenameHandler This handler is used by DataFolder.FolderNode.setName() method.

OperationListener Listener to operations on data objects.

TemplateWizard.Iterator The interface for custom iterator.

XMLDataObject.Processor Deprecated. use lookup

Interface Summary
ChangeableDataFilter	Allows certain data objects to be excluded from being displayed.
DataFilter	Allows certain data objects to be excluded from being displayed.
DataLoader.RecognizedFiles	Buffer holding a list of primary and secondary files marked as already recognized, to prevent further scanning.
DataObject.Container	Interface for objects that can contain other data objects.
Environment.Provider	Cookie for objects that plan to provide environment.
FolderRenameHandler	This handler is used by DataFolder.FolderNode.setName() method.
OperationListener	Listener to operations on data objects.
TemplateWizard.Iterator	The interface for custom iterator.
XMLDataObject.Processor	Deprecated. use lookup

Class Summary

ConnectionSupport Deprecated. Should no longer be used.

DataFolder A folder containing data objects.

DataFolder.Index Support for index cookie for folder nodes.

DataFolder.SortMode Type-safe enumeration of sort modes for data folders.

DataLoader A data loader recognizes FileObjects and creates appropriate DataObjects to represent them.

DataLoaderPool Pool of data loaders.

DataNode Standard node representing a data object.

DataObject Object that represents one or more file objects, with added behavior.

DataObject.Registry Registry of modified data objects.

DataShadow Default implementation of a shortcut to another data object.

DataShadow.ShadowNode Node for a shadow object.

Environment Utilities that define the "settings hierarchy".

ExtensionList Property class that collects a modifiable list of file extensions and permits checking of whether a name or a file object has a given extension.

FileEntry Entry that works with plain files.

FileEntry.Folder Simple entry for handling folders, on copy, move and createFromTemplate it creates new empty folder and copies attributes of source folder.

FileEntry.Format Specialized entry that simplifies substitution when a file entry is created from template.

FileEntry.Numb Simple file entry variant.

FolderInstance Support class for creation of an object from the content of a DataObject.Container.

FolderLookup Implements a lookup, that scans a content of a folder for its data objects and asks them for instance cookie, the created objects are then used to for the content of the lookup.

InstanceDataObject A data object whose only purpose is to supply InstanceCookie.

InstanceSupport An instance cookie implementation that works with files or entries.

InstanceSupport.Instance Trivial supporting instance cookie for already-existing objects.

LoaderTransfer Class that contains specific datatransfer flavors and methods to work with transfered DataObjects.

MultiDataObject Provides support for handling of data objects with multiple files.

MultiFileLoader Loader for any kind of MultiDataObject.

OpenSupport Simple support for an openable file.

OpenSupport.Env Environment that connects the support together with DataObject.

OperationAdapter Adapter for methods of OperationListener.

OperationEvent Event that describes operations taken on a data object.

OperationEvent.Copy Notification of a copy action of a data object, creation of a shadow, or creation from a template.

OperationEvent.Move Notification of a move of a data object.

OperationEvent.Rename Notification of a rename of a data object.

RepositoryNodeFactory Deprecated. Probably unwise to call this for any reason; obsolete UI.

TemplateWizard Wizard for creation of new objects from a template.

UniFileLoader Support class for loader handling one file at a time.

XMLDataObject Object that provides main functionality for xml documents.

XMLDataObject.Info Deprecated. use Lookup Representation of xmlinfo file holding container of Processors.

Class Summary
ConnectionSupport	Deprecated. Should no longer be used.
DataFolder	A folder containing data objects.
DataFolder.Index	Support for index cookie for folder nodes.
DataFolder.SortMode	Type-safe enumeration of sort modes for data folders.
DataLoader	A data loader recognizes `FileObject`s and creates appropriate `DataObject`s to represent them.
DataLoaderPool	Pool of data loaders.
DataNode	Standard node representing a data object.
DataObject	Object that represents one or more file objects, with added behavior.
DataObject.Registry	Registry of modified data objects.
DataShadow	Default implementation of a shortcut to another data object.
DataShadow.ShadowNode	Node for a shadow object.
Environment	Utilities that define the "settings hierarchy".
ExtensionList	Property class that collects a modifiable list of file extensions and permits checking of whether a name or a file object has a given extension.
FileEntry	Entry that works with plain files.
FileEntry.Folder	Simple entry for handling folders, on copy, move and createFromTemplate it creates new empty folder and copies attributes of source folder.
FileEntry.Format	Specialized entry that simplifies substitution when a file entry is created from template.
FileEntry.Numb	Simple file entry variant.
FolderInstance	Support class for creation of an object from the content of a `DataObject.Container`.
FolderLookup	Implements a lookup, that scans a content of a folder for its data objects and asks them for instance cookie, the created objects are then used to for the content of the lookup.
InstanceDataObject	A data object whose only purpose is to supply `InstanceCookie`.
InstanceSupport	An instance cookie implementation that works with files or entries.
InstanceSupport.Instance	Trivial supporting instance cookie for already-existing objects.
LoaderTransfer	Class that contains specific datatransfer flavors and methods to work with transfered DataObjects.
MultiDataObject	Provides support for handling of data objects with multiple files.
MultiFileLoader	Loader for any kind of `MultiDataObject`.
OpenSupport	Simple support for an openable file.
OpenSupport.Env	Environment that connects the support together with DataObject.
OperationAdapter	Adapter for methods of `OperationListener`.
OperationEvent	Event that describes operations taken on a data object.
OperationEvent.Copy	Notification of a copy action of a data object, creation of a shadow, or creation from a template.
OperationEvent.Move	Notification of a move of a data object.
OperationEvent.Rename	Notification of a rename of a data object.
RepositoryNodeFactory	Deprecated. Probably unwise to call this for any reason; obsolete UI.
TemplateWizard	Wizard for creation of new objects from a template.
UniFileLoader	Support class for loader handling one file at a time.
XMLDataObject	Object that provides main functionality for xml documents.
XMLDataObject.Info	Deprecated. use Lookup Representation of xmlinfo file holding container of Processors.

Exception Summary

DataObjectExistsException Exception signalling that the data object for this file cannot be created because there already is an object for the primary file.

DataObjectNotFoundException Exception signalling that the data object for a given file object could not be found in DataObject.find(org.openide.filesystems.FileObject).

Exception Summary
DataObjectExistsException	Exception signalling that the data object for this file cannot be created because there already is an object for the primary file.
DataObjectNotFoundException	Exception signalling that the data object for a given file object could not be found in `DataObject.find(org.openide.filesystems.FileObject)`.

Package org.openide.loaders Description

Datasystems are the logical layer between a filesystem and the regular functions of the IDE.

The Datasystems API provides a higher-level view of files in terms of useful data - data which has specific types, actions that can be performed on these types, and relationships to other files. For example, the IDE might find these files in a newly-opened directory:

myform.form
myform.java
myform.class
myform$1.class
myform$2.class

Logically, all of these files are interlinked, and it is the job of a data loader to associate them. In this case, a loader installed by the Form Editor into the system's loader pool would recognize the common basename of the files, and produce a special data object which encapsulates that there is a Java source with an accompanying form and compiled class files. This data object would then provide operations appropriate to a form on disk, and assist in creating an Explorer node subtree for it.

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