com.github.juliangamble.util

Class JGitUtils

java.lang.Object

com.github.juliangamble.util.JGitUtils

public class JGitUtils
extends Object

Collection of static methods for retrieving information from a repository.

Author:

James Moger

Constructor Summary

Constructors

Constructor and Description
JGitUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static Date	getAuthorDate(org.eclipse.jgit.revwalk.RevCommit commit) Retrieves a Java Date from a Git commit.
static org.eclipse.jgit.lib.ObjectId	getDefaultBranch(org.eclipse.jgit.lib.Repository repository) Returns the default branch to use for a repository.
static List<RefModel>	getLocalBranches(org.eclipse.jgit.lib.Repository repository, boolean fullName, int maxCount) Returns the list of local branches in the repository.
static List<org.eclipse.jgit.revwalk.RevCommit>	getRevLog(org.eclipse.jgit.lib.Repository repository, String objectId, Date minimumDate) Returns a list of commits since the minimum date starting from the specified object id.
static boolean	hasCommits(org.eclipse.jgit.lib.Repository repository) Determine if a repository has any commits.

Methods inherited from class java.lang.Object

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

Constructor Detail

JGitUtils

public JGitUtils()

Method Detail

getRevLog

public static List<org.eclipse.jgit.revwalk.RevCommit> getRevLog(org.eclipse.jgit.lib.Repository repository,
                                                 String objectId,
                                                 Date minimumDate)

Returns a list of commits since the minimum date starting from the specified object id.

Parameters:

repository - The Git repository to scan

objectId - if unspecified, HEAD is assumed.

minimumDate - The date to scan back through the git log

Returns:

list of commits

hasCommits

public static boolean hasCommits(org.eclipse.jgit.lib.Repository repository)

Determine if a repository has any commits. This is determined by checking the for loose and packed objects.

Parameters:

repository - The Git repository to scan

Returns:

true if the repository has commits

getDefaultBranch

public static org.eclipse.jgit.lib.ObjectId getDefaultBranch(org.eclipse.jgit.lib.Repository repository)
                                                      throws Exception

Returns the default branch to use for a repository. Normally returns whatever branch HEAD points to, but if HEAD points to nothing it returns the most recently updated branch.

Parameters:

repository - The Git repository to scan

Returns:

the objectid of a branch

Throws:

Exception - If there is a file issue

getLocalBranches

public static List<RefModel> getLocalBranches(org.eclipse.jgit.lib.Repository repository,
                              boolean fullName,
                              int maxCount)

Returns the list of local branches in the repository. If repository does not exist or is empty, an empty list is returned.

Parameters:

repository - The Git repository to scan

fullName - if true, /refs/heads/yadayadayada is returned. If false, yadayadayada is returned.

maxCount - if < 0, all local branches are returned

Returns:

list of local branches

getAuthorDate

public static Date getAuthorDate(org.eclipse.jgit.revwalk.RevCommit commit)

Retrieves a Java Date from a Git commit.

Parameters:

commit - The commit to examine

Returns:

date of the commit or Date(0) if the commit is null