public static SVNAdminArea open(File path, Level logLevel) throws SVNException {
SVNErrorMessage error = null;
int wcFormatVersion = -1;
Collection enabledFactories = getSelector().getEnabledFactories(path, ourFactories, false);
File adminDir = new Resource(path, SVNFileUtil.getAdminDirectoryName());
File entriesFile = new Resource(adminDir, "entries");
if (adminDir.isDirectory() && entriesFile.isFile()) {
for (Iterator factories = enabledFactories.iterator(); factories.hasNext(); ) {
SVNAdminAreaFactory factory = (SVNAdminAreaFactory) factories.next();
try {
wcFormatVersion = factory.getVersion(path);
if (wcFormatVersion > factory.getSupportedVersion()) {
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.WC_UNSUPPORTED_FORMAT,
"The path ''{0}'' appears to be part of a Subversion 1.7 or greater\n"
+ "working copy. Please upgrade your Subversion client to use this\n"
+ "working copy.",
path);
SVNErrorManager.error(err, SVNLogType.WC);
} else if (wcFormatVersion < factory.getSupportedVersion()) {
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.WC_UNSUPPORTED_FORMAT,
"Working copy format of {0} is too old ({1}); please check out your working copy again",
new Object[] {path, new Integer(wcFormatVersion)});
SVNErrorManager.error(err, SVNLogType.WC);
}
} catch (SVNException e) {
if (error != null) {
error.setChildErrorMessage(e.getErrorMessage());
} else {
error = e.getErrorMessage();
}
continue;
}
SVNAdminArea adminArea = factory.doOpen(path, wcFormatVersion);
if (adminArea != null) {
adminArea.setWorkingCopyFormatVersion(wcFormatVersion);
return adminArea;
}
}
}
if (error == null) {
if (path != null) {
checkWCNG(path.getAbsoluteFile(), path);
}
error =
SVNErrorMessage.create(
SVNErrorCode.WC_NOT_DIRECTORY, "''{0}'' is not a working copy", path);
}
if (error.getErrorCode() == SVNErrorCode.WC_UNSUPPORTED_FORMAT) {
error.setChildErrorMessage(null);
}
SVNErrorManager.error(error, logLevel, SVNLogType.WC);
return null;
}
private static boolean checkAdminAreaExists(File dir, String url, long revision)
throws SVNException {
File adminDir = new Resource(dir, SVNFileUtil.getAdminDirectoryName());
if (adminDir.exists() && !adminDir.isDirectory()) {
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.WC_OBSTRUCTED_UPDATE, "''{0}'' is not a directory", dir);
SVNErrorManager.error(err, SVNLogType.WC);
} else if (!adminDir.exists()) {
return false;
}
boolean wcExists = false;
try {
readFormatVersion(adminDir);
wcExists = true;
} catch (SVNException svne) {
return false;
}
if (wcExists) {
SVNWCAccess wcAccess = SVNWCAccess.newInstance(null);
SVNAdminArea adminArea = null;
SVNEntry entry = null;
try {
adminArea = wcAccess.open(dir, false, 0);
entry = adminArea.getVersionedEntry(adminArea.getThisDirName(), false);
} finally {
wcAccess.closeAdminArea(dir);
}
if (!entry.isScheduledForDeletion()) {
if (entry.getRevision() != revision) {
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.WC_OBSTRUCTED_UPDATE,
"Revision {0} doesn''t match existing revision {1} in ''{2}''",
new Object[] {new Long(revision), new Long(entry.getRevision()), dir});
SVNErrorManager.error(err, SVNLogType.WC);
}
if (!url.equals(entry.getURL())) {
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.WC_OBSTRUCTED_UPDATE,
"URL ''{0}'' doesn''t match existing URL ''{1}'' in ''{2}''",
new Object[] {url, entry.getURL(), dir});
SVNErrorManager.error(err, SVNLogType.WC);
}
}
}
return wcExists;
}