Package ghidra.framework.data

Class DBContentHandler

java.lang.Object

ghidra.framework.data.DBContentHandler

All Implemented Interfaces:

ContentHandler, ExtensionPoint

Direct Known Subclasses:

DataTypeArchiveContentHandler, ProgramContentHandler

public abstract class DBContentHandler
extends java.lang.Object
implements ContentHandler

DBContentHandler provides an abstract ContentHandler for domain object content which is stored within a database file. This class provides helper methods for working with database files.

Field Summary

Fields inherited from interface ghidra.framework.data.ContentHandler

MISSING_CONTENT, UNKNOWN_CONTENT

Constructor Summary

Constructors

Constructor	Description
DBContentHandler()

Method Summary

Modifier and Type	Method	Description
protected long	createFile(DomainObjectAdapterDB domainObj, java.lang.String contentType, FileSystem fs, java.lang.String path, java.lang.String name, TaskMonitor monitor)	Create a new database file from an open database handle.
protected DBHandle	openAssociatedUserFile(java.lang.String associatedFileID, java.lang.String associatedContentType, FileSystem userfs, TaskMonitor monitor)	Open user data file associatedDbh
void	removeUserDataFile(FolderItem associatedItem, FileSystem userfs)	Remove user data file associated with an existing folder item.
void	saveUserDataFile(DomainObject domainObj, DBHandle userDbh, FileSystem userfs, TaskMonitor monitor)	Create user data file associated with existing content.

Methods inherited from class java.lang.Object

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

Methods inherited from interface ghidra.framework.data.ContentHandler

createFile, getChangeSet, getContentType, getContentTypeDisplayString, getDefaultToolName, getDomainObject, getDomainObjectClass, getIcon, getImmutableObject, getMergeManager, getReadOnlyObject, isPrivateContentType

Constructor Detail

DBContentHandler

public DBContentHandler()

Method Detail

createFile

protected final long createFile(DomainObjectAdapterDB domainObj,
                                java.lang.String contentType,
                                FileSystem fs,
                                java.lang.String path,
                                java.lang.String name,
                                TaskMonitor monitor)
                         throws InvalidNameException,
                                CancelledException,
                                java.io.IOException

Create a new database file from an open database handle. If fs is versioned, the resulting item is marked as checked-out within the versioned file-system. The specified domainObj will become associated with the newly created database.

Parameters:

domainObj - domain object

contentType - the content type

fs - the domain object file system

path - the path of the new file

name - the name of the new file

monitor - the monitor that allows the user to cancel

Returns:

checkout ID for new file

Throws:

InvalidNameException - if the name contains invalid characters

CancelledException - if the user cancels the operation

java.io.IOException - if an i/o error occurs

saveUserDataFile

public final void saveUserDataFile(DomainObject domainObj,
                                   DBHandle userDbh,
                                   FileSystem userfs,
                                   TaskMonitor monitor)
                            throws CancelledException,
                                   java.io.IOException

Description copied from interface: ContentHandler

Create user data file associated with existing content. This facilitates the lazy creation of the user data file.

Specified by:

saveUserDataFile in interface ContentHandler

Parameters:

domainObj - associated domain object corresponding to this content handler

userDbh - user data handle

userfs - private user data filesystem

monitor - task monitor

Throws:

CancelledException - if operation is cancelled by user

java.io.IOException - if an access error occurs

See Also:

ContentHandler.saveUserDataFile(ghidra.framework.model.DomainObject, db.DBHandle, ghidra.framework.store.FileSystem, ghidra.util.task.TaskMonitor)

removeUserDataFile

public final void removeUserDataFile(FolderItem associatedItem,
                                     FileSystem userfs)
                              throws java.io.IOException

Description copied from interface: ContentHandler

Remove user data file associated with an existing folder item.

Specified by:

removeUserDataFile in interface ContentHandler

Parameters:

associatedItem - folder item

Throws:

java.io.IOException - if an access error occurs

See Also:

ContentHandler.removeUserDataFile(ghidra.framework.store.FolderItem, ghidra.framework.store.FileSystem)

openAssociatedUserFile

protected final DBHandle openAssociatedUserFile(java.lang.String associatedFileID,
                                                java.lang.String associatedContentType,
                                                FileSystem userfs,
                                                TaskMonitor monitor)
                                         throws java.io.IOException,
                                                CancelledException

Open user data file associatedDbh

Parameters:

associatedFileID -

associatedContentType -

userfs -

monitor -

Returns:

user data file database handle

Throws:

java.io.IOException

CancelledException