Example usage for org.eclipse.jgit.lib ObjectReader has

Introduction

In this page you can find the example usage for org.eclipse.jgit.lib ObjectReader has.

Prototype

public boolean has(AnyObjectId objectId) throws IOException 

Source Link

Document

Does the requested object exist in this database?

Usage

From source file:com.microsoft.gittf.core.config.ChangesetCommitMap.java

License:Open Source License

/**
 * Gets the commit id that this changeset id refers to. If the caller
 * specified the validate flag as true, the method also ensures that the
 * commit id refers to a valid commit. If not NULL is returned.
 * /*www .ja  v  a2  s  . c om*/
 * @param changesetID
 *        the changeset id
 * @param validate
 *        whether or not to validate the object id found
 * @return
 */
public ObjectId getCommitID(int changesetID, boolean validate) {
    Check.isTrue(changesetID >= 0, "changesetID >= 0"); //$NON-NLS-1$

    ensureConfigUptoDate();

    String commitHash = configFile.getString(ConfigurationConstants.CONFIGURATION_SECTION,
            ConfigurationConstants.COMMIT_SUBSECTION, MessageFormat
                    .format(ConfigurationConstants.COMMIT_CHANGESET_FORMAT, Integer.toString(changesetID)));

    if (commitHash == null) {
        return null;
    }

    ObjectId changesetCommitId = ObjectId.fromString(commitHash);

    if (!validate) {
        return changesetCommitId;
    }

    ObjectReader objectReader = null;
    try {
        objectReader = repository.newObjectReader();
        if (changesetCommitId != null && !ObjectId.zeroId().equals(changesetCommitId)) {
            try {
                if (objectReader.has(changesetCommitId)) {
                    return changesetCommitId;
                }
            } catch (IOException exception) {
                return null;
            }
        }

        return null;
    } finally {
        if (objectReader != null) {
            objectReader.release();
        }
    }
}

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From source file:jetbrains.buildServer.buildTriggers.vcs.git.GitServerUtil.java

License:Apache License

public static boolean isCloned(@NotNull Repository db) throws VcsException, IOException {
    if (!db.getObjectDatabase().exists())
        return false;
    ObjectReader reader = db.getObjectDatabase().newReader();
    try {//from   www . j  a  v a 2  s.  c  o m
        for (Ref ref : db.getRefDatabase().getRefs(RefDatabase.ALL).values()) {
            if (reader.has(ref.getObjectId()))
                return true;
        }
    } finally {
        reader.release();
    }
    return false;
}

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