Attachment #122569 for bug #216110

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import org.netbeans.modules.masterfs.filebasedfs.utils.FileInfo;
import org.netbeans.modules.masterfs.filebasedfs.utils.Utils;
import org.netbeans.modules.masterfs.providers.ProvidedExtensions;
import org.openide.filesystems.FileAlreadyLockedException;
import org.openide.filesystems.FileLock;
import org.openide.filesystems.FileObject;
import org.openide.util.Enumerations;

        return Enumerations.empty();
    }


    @Override
    public boolean isLocked() {
        FileLock fLock = null;
        try {
            fLock = lockImpl(false);
        } catch (FileAlreadyLockedException fax) {
            return true;
        } catch (IOException ex) {
            return false;
        } finally {
            if (fLock != null) {
                fLock.releaseLock();
            }
        }
        return fLock == null;
    }
    
    @Override
    public final FileLock lock() throws IOException {
        return lockImpl(true);
    }

    private FileLock lockImpl(boolean notifyExtension) throws IOException {
        final File me = getFileName().getFile();
        if (!getProvidedExtensions().canWrite(me)) {
            FSException.io("EXC_CannotLock", me);
        }
        try {            
            LockForFile result = LockForFile.tryLock(me);
            if(notifyExtension) {
                try {
                    getProvidedExtensions().fileLocked(this);
                } catch (IOException ex) {
                    result.releaseLock(false);
                    throw ex;
                }
            }
            return result;
        } catch (FileNotFoundException ex) {

            throw fex;
        }
    }
    
    final boolean checkLock(final FileLock lock) throws IOException {
        final File f = getFileName().getFile();
        return ((lock instanceof LockForFile) && Utils.equals(((LockForFile) lock).getFile(), f));

Return to bug 216110

Lines 62-67 Link Here

(-)masterfs/src/org/netbeans/modules/masterfs/filebasedfs/fileobjects/FileObj.java (-7 / +30 lines)
62	import org.netbeans.modules.masterfs.filebasedfs.utils.FileInfo;	62	import org.netbeans.modules.masterfs.filebasedfs.utils.FileInfo;
63	import org.netbeans.modules.masterfs.filebasedfs.utils.Utils;	63	import org.netbeans.modules.masterfs.filebasedfs.utils.Utils;
64	import org.netbeans.modules.masterfs.providers.ProvidedExtensions;	64	import org.netbeans.modules.masterfs.providers.ProvidedExtensions;
		65	import org.openide.filesystems.FileAlreadyLockedException;
65	import org.openide.filesystems.FileLock;	66	import org.openide.filesystems.FileLock;
66	import org.openide.filesystems.FileObject;	67	import org.openide.filesystems.FileObject;
67	import org.openide.util.Enumerations;	68	import org.openide.util.Enumerations;
Lines 348-367 Link Here
348	return Enumerations.empty();	349	return Enumerations.empty();
349	}	350	}
350		351
351
352	@Override	352	@Override
		353	public boolean isLocked() {
		354	FileLock fLock = null;
		355	try {
		356	fLock = lockImpl(false);
		357	} catch (FileAlreadyLockedException fax) {
		358	return true;
		359	} catch (IOException ex) {
		360	return false;
		361	} finally {
		362	if (fLock != null) {
		363	fLock.releaseLock();
		364	}
		365	}
		366	return fLock == null;
		367	}
		368
		369	@Override
353	public final FileLock lock() throws IOException {	370	public final FileLock lock() throws IOException {
		371	return lockImpl(true);
		372	}
		373
		374	private FileLock lockImpl(boolean notifyExtension) throws IOException {
354	final File me = getFileName().getFile();	375	final File me = getFileName().getFile();
355	if (!getProvidedExtensions().canWrite(me)) {	376	if (!getProvidedExtensions().canWrite(me)) {
356	FSException.io("EXC_CannotLock", me);	377	FSException.io("EXC_CannotLock", me);
357	}	378	}
358	try {	379	try {
359	LockForFile result = LockForFile.tryLock(me);	380	LockForFile result = LockForFile.tryLock(me);
360	try {	381	if(notifyExtension) {
361	getProvidedExtensions().fileLocked(this);	382	try {
362	} catch (IOException ex) {	383	getProvidedExtensions().fileLocked(this);
363	result.releaseLock(false);	384	} catch (IOException ex) {
364	throw ex;	385	result.releaseLock(false);
		386	throw ex;
		387	}
365	}	388	}
366	return result;	389	return result;
367	} catch (FileNotFoundException ex) {	390	} catch (FileNotFoundException ex) {
Lines 381-387 Link Here
381	throw fex;	404	throw fex;
382	}	405	}
383	}	406	}
384		407
385	final boolean checkLock(final FileLock lock) throws IOException {	408	final boolean checkLock(final FileLock lock) throws IOException {
386	final File f = getFileName().getFile();	409	final File f = getFileName().getFile();
387	return ((lock instanceof LockForFile) && Utils.equals(((LockForFile) lock).getFile(), f));	410	return ((lock instanceof LockForFile) && Utils.equals(((LockForFile) lock).getFile(), f));