How can I read a file's lock?

[Andy Cohen]

I'm trying to determine whether or not a file is locked, and if so, what the 
username of the lock's owner is. Here's what I've tried so far:

=======================================================================

    SvnRepositoryGetLock svnRepositoryGetLock
      = svnOperationFactory.createRepositoryGetLock();

    String workingCopyDirPath = workingCopyDir.getAbsolutePath();
    SvnTarget fileTarget = SvnTarget.fromFile(requestedFile);
    svnRepositoryGetLock.setSingleTarget(fileTarget);
    svnRepositoryGetLock.setPath(workingCopyDirPath);

    SVNLock svnLock = svnRepositoryGetLock.run();

    return (svnLock == null ? null : svnLock.getOwner());


Unfortunately, it's not working. It produces this error:

Exception in thread "main" org.tmatesoft.svn.core.SVNException: svn: E160004: 
Can't read length line from file format: format (No such file or directory)
        at 
org.tmatesoft.svn.core.internal.wc.SVNErrorManager.error(SVNErrorManager.java:85)
        at 
org.tmatesoft.svn.core.internal.wc.SVNErrorManager.error(SVNErrorManager.java:69)
        at 
org.tmatesoft.svn.core.internal.io.fs.FSFile.readLine(FSFile.java:137)
        at org.tmatesoft.svn.core.internal.io.fs.FSFile.readInt(FSFile.java:101)
        at org.tmatesoft.svn.core.internal.io.fs.FSFS.openRoot(FSFS.java:237)
        at org.tmatesoft.svn.core.internal.io.fs.FSFS.open(FSFS.java:197)
        at 
org.tmatesoft.svn.core.internal.wc.SVNAdminHelper.openRepository(SVNAdminHelper.java:77)
        at 
org.tmatesoft.svn.core.wc.admin.SVNLookClient.open(SVNLookClient.java:1253)
        at 
org.tmatesoft.svn.core.wc.admin.SVNLookClient.doGetLock(SVNLookClient.java:674)
        at 
org.tmatesoft.svn.core.internal.wc2.admin.SvnRepositoryGetLockImpl.run(SvnRepositoryGetLockImpl.java:16)
        at 
org.tmatesoft.svn.core.internal.wc2.admin.SvnRepositoryGetLockImpl.run(SvnRepositoryGetLockImpl.java:9)
        at 
org.tmatesoft.svn.core.internal.wc2.SvnOperationRunner.run(SvnOperationRunner.java:20)
        at 
org.tmatesoft.svn.core.wc2.SvnOperationFactory.run(SvnOperationFactory.java:1235)
        at org.tmatesoft.svn.core.wc2.SvnOperation.run(SvnOperation.java:291)
        at com.iii.app.SvnSget.getLockOwner(SvnSget.java:127)
        at com.iii.app.SvnSget.main(SvnSget.java:83)
Caused by: java.io.FileNotFoundException: format (No such file or directory)
        at java.io.FileInputStream.open(Native Method)
        at java.io.FileInputStream.<init>(Unknown Source)
        at 
org.tmatesoft.svn.core.internal.wc.SVNFileUtil.createFileInputStream(SVNFileUtil.java:1680)
        at 
org.tmatesoft.svn.core.internal.io.fs.FSFile.getChannel(FSFile.java:393)
        at org.tmatesoft.svn.core.internal.io.fs.FSFile.fill(FSFile.java:373)
        at org.tmatesoft.svn.core.internal.io.fs.FSFile.read(FSFile.java:295)
        at 
org.tmatesoft.svn.core.internal.io.fs.FSFile.readLine(FSFile.java:124)
        ... 13 more

So, how far off am I? Am I right to use SvnRepositoryGetLock, or should I be 
attacking this some other way?

Thanks for any help,

    Andy


Andy Cohen
Principal Software Engineer
Product Development
Innovative Interfaces, Inc.
5850 Shellmound Way
Emeryville, CA 94608

[letter-t]  510-655-6200 Ext 4221
[letter-e]  aco...@iii.com

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