org.eclipse.jgit.submodule
Class SubmoduleWalk

java.lang.Object
  org.eclipse.jgit.submodule.SubmoduleWalk

public class SubmoduleWalk
extends Object

Walker that visits all submodule entries found in a tree

Constructor Summary

SubmoduleWalk(Repository repository)
Create submodule generator

Method Summary

static SubmoduleWalk	forIndex(Repository repository) Create a generator to walk over the submodule entries currently in the index The .gitmodules file is read from the index.
static SubmoduleWalk	forPath(Repository repository, AbstractTreeIterator iterator, String path) Create a generator and advance it to the submodule entry at the given path
static SubmoduleWalk	forPath(Repository repository, AnyObjectId treeId, String path) Create a generator and advance it to the submodule entry at the given path
String	getConfigUpdate() Get the configured update field for current entry.
String	getConfigUrl() Get the configured remote URL for current entry.
File	getDirectory() Get directory that will be the root of the submodule's local repository
ObjectId	getHead() Get commit id that HEAD points to in the current submodule's repository
String	getHeadRef() Get ref that HEAD points to in the current submodule's repository
String	getModulesPath() Get the configured path for current entry.
String	getModulesUpdate() Get the configured update field for current entry.
String	getModulesUrl() Get the configured remote URL for current entry.
ObjectId	getObjectId() Get object id of current submodule entry
String	getPath() Get path of current submodule entry
String	getRemoteUrl() Get the resolved remote URL for the current submodule.
Repository	getRepository() Get repository for current submodule entry
static File	getSubmoduleDirectory(Repository parent, String path) Get submodule directory
static String	getSubmoduleRemoteUrl(Repository parent, String url) Resolve submodule repository URL.
static Repository	getSubmoduleRepository(File parent, String path) Get submodule repository at path
static Repository	getSubmoduleRepository(Repository parent, String path) Get submodule repository
SubmoduleWalk	loadModulesConfig() Load the config for this walk from .gitmodules.
boolean	next() Advance to next submodule in the index tree.
void	release() Release any resources used by this walker's reader.
SubmoduleWalk	reset() Reset generator and start new submodule walk
SubmoduleWalk	setFilter(TreeFilter filter) Set tree filter
SubmoduleWalk	setModulesConfig(Config config) Set the config used by this walk.
SubmoduleWalk	setRootTree(AbstractTreeIterator tree) Set the tree used by this walk for finding .gitmodules.
SubmoduleWalk	setRootTree(AnyObjectId id) Set the tree used by this walk for finding .gitmodules.
SubmoduleWalk	setTree(AbstractTreeIterator iterator) Set the tree iterator used for finding submodule entries
SubmoduleWalk	setTree(AnyObjectId treeId) Set the tree used for finding submodule entries

Methods inherited from class java.lang.Object

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

Constructor Detail

SubmoduleWalk

public SubmoduleWalk(Repository repository)
              throws IOException

Create submodule generator

Parameters:

repository -

Throws:

IOException

Method Detail

forIndex

public static SubmoduleWalk forIndex(Repository repository)
                              throws IOException

Create a generator to walk over the submodule entries currently in the index The .gitmodules file is read from the index.

Parameters:

repository -

Returns:

generator over submodule index entries

Throws:

IOException

forPath

public static SubmoduleWalk forPath(Repository repository,
                                    AnyObjectId treeId,
                                    String path)
                             throws IOException

Create a generator and advance it to the submodule entry at the given path

Parameters:

repository -

treeId - the root of a tree containing both a submodule at the given path and .gitmodules at the root.

path -

Returns:

generator at given path, null if no submodule at given path

Throws:

IOException

forPath

public static SubmoduleWalk forPath(Repository repository,
                                    AbstractTreeIterator iterator,
                                    String path)
                             throws IOException

Create a generator and advance it to the submodule entry at the given path

Parameters:

repository -

iterator - the root of a tree containing both a submodule at the given path and .gitmodules at the root.

path -

Returns:

generator at given path, null if no submodule at given path

Throws:

IOException

getSubmoduleDirectory

public static File getSubmoduleDirectory(Repository parent,
                                         String path)

Get submodule directory

Parameters:

parent -

path -

Returns:

directory

getSubmoduleRepository

public static Repository getSubmoduleRepository(Repository parent,
                                                String path)
                                         throws IOException

Get submodule repository

Parameters:

parent -

path -

Returns:

repository or null if repository doesn't exist

Throws:

IOException

getSubmoduleRepository

public static Repository getSubmoduleRepository(File parent,
                                                String path)
                                         throws IOException

Get submodule repository at path

Parameters:

parent -

path -

Returns:

repository or null if repository doesn't exist

Throws:

IOException

getSubmoduleRemoteUrl

public static String getSubmoduleRemoteUrl(Repository parent,
                                           String url)
                                    throws IOException

Resolve submodule repository URL.

This handles relative URLs that are typically specified in the '.gitmodules' file by resolving them against the remote URL of the parent repository.

Relative URLs will be resolved against the parent repository's working directory if the parent repository has no configured remote URL.

Parameters:

parent - parent repository

url - absolute or relative URL of the submodule repository

Returns:

resolved URL

Throws:

IOException

setModulesConfig

public SubmoduleWalk setModulesConfig(Config config)

Set the config used by this walk. This method need only be called if constructing a walk manually instead of with one of the static factory methods above.

Parameters:

config - .gitmodules config object

Returns:

this generator

setRootTree

public SubmoduleWalk setRootTree(AbstractTreeIterator tree)

Set the tree used by this walk for finding .gitmodules.

The root tree is not read until the first submodule is encountered by the walk.

This method need only be called if constructing a walk manually instead of with one of the static factory methods above.

Parameters:

tree - tree containing .gitmodules

Returns:

this generator

setRootTree

public SubmoduleWalk setRootTree(AnyObjectId id)
                          throws IOException

Set the tree used by this walk for finding .gitmodules.

The root tree is not read until the first submodule is encountered by the walk.

This method need only be called if constructing a walk manually instead of with one of the static factory methods above.

Parameters:

id - ID of a tree containing .gitmodules

Returns:

this generator

Throws:

IOException

loadModulesConfig

public SubmoduleWalk loadModulesConfig()
                                throws IOException,
                                       ConfigInvalidException

Load the config for this walk from .gitmodules.

Uses the root tree if setRootTree(AbstractTreeIterator) was previously called, otherwise uses the working tree.

If no submodule config is found, loads an empty config.

Returns:

this generator

Throws:

IOException - if an error occurred, or if the repository is bare

ConfigInvalidException

setFilter

public SubmoduleWalk setFilter(TreeFilter filter)

Set tree filter

Parameters:

filter -

Returns:

this generator

setTree

public SubmoduleWalk setTree(AbstractTreeIterator iterator)
                      throws CorruptObjectException

Set the tree iterator used for finding submodule entries

Parameters:

iterator -

Returns:

this generator

Throws:

CorruptObjectException

setTree

public SubmoduleWalk setTree(AnyObjectId treeId)
                      throws IOException

Set the tree used for finding submodule entries

Parameters:

treeId -

Returns:

this generator

Throws:

IOException

IncorrectObjectTypeException

MissingObjectException

reset

public SubmoduleWalk reset()

Reset generator and start new submodule walk

Returns:

this generator

getDirectory

public File getDirectory()

Get directory that will be the root of the submodule's local repository

Returns:

submodule repository directory

next

public boolean next()
             throws IOException

Advance to next submodule in the index tree. The object id and path of the next entry can be obtained by calling getObjectId() and getPath().

Returns:

true if entry found, false otherwise

Throws:

IOException

getPath

public String getPath()

Get path of current submodule entry

Returns:

path

getObjectId

public ObjectId getObjectId()

Get object id of current submodule entry

Returns:

object id

getModulesPath

public String getModulesPath()
                      throws IOException,
                             ConfigInvalidException

Get the configured path for current entry. This will be the value from the .gitmodules file in the current repository's working tree.

Returns:

configured path

Throws:

ConfigInvalidException

IOException

getConfigUrl

public String getConfigUrl()
                    throws IOException,
                           ConfigInvalidException

Get the configured remote URL for current entry. This will be the value from the repository's config.

Returns:

configured URL

Throws:

ConfigInvalidException

IOException

getModulesUrl

public String getModulesUrl()
                     throws IOException,
                            ConfigInvalidException

Get the configured remote URL for current entry. This will be the value from the .gitmodules file in the current repository's working tree.

Returns:

configured URL

Throws:

ConfigInvalidException

IOException

getConfigUpdate

public String getConfigUpdate()
                       throws IOException,
                              ConfigInvalidException

Get the configured update field for current entry. This will be the value from the repository's config.

Returns:

update value

Throws:

ConfigInvalidException

IOException

getModulesUpdate

public String getModulesUpdate()
                        throws IOException,
                               ConfigInvalidException

Get the configured update field for current entry. This will be the value from the .gitmodules file in the current repository's working tree.

Returns:

update value

Throws:

ConfigInvalidException

IOException

getRepository

public Repository getRepository()
                         throws IOException

Get repository for current submodule entry

Returns:

repository or null if non-existent

Throws:

IOException

getHead

public ObjectId getHead()
                 throws IOException

Get commit id that HEAD points to in the current submodule's repository

Returns:

object id of HEAD reference

Throws:

IOException

getHeadRef

public String getHeadRef()
                  throws IOException

Get ref that HEAD points to in the current submodule's repository

Returns:

ref name, null on failures

Throws:

IOException

getRemoteUrl

public String getRemoteUrl()
                    throws IOException,
                           ConfigInvalidException

Get the resolved remote URL for the current submodule.

This method resolves the value of getModulesUrl() to an absolute URL

Returns:

resolved remote URL

Throws:

IOException

ConfigInvalidException

release

public void release()

Release any resources used by this walker's reader.