1 files changed, 41 insertions, 0 deletions
diff --git a/org.eclipse.m2e.core/src/org/eclipse/m2e/core/internal/index/EquinoxLocker.java b/org.eclipse.m2e.core/src/org/eclipse/m2e/core/internal/index/EquinoxLocker.java
new file mode 100644
index 00000000..e88c7e0c
--- /dev/null
+++ b/org.eclipse.m2e.core/src/org/eclipse/m2e/core/internal/index/EquinoxLocker.java
@@ -0,0 +1,41 @@
+/*******************************************************************************
+ * Copyright (c) 2008-2010 Sonatype, Inc.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *      Sonatype, Inc. - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.m2e.core.internal.index;
+
+import java.io.File;
+import java.io.IOException;
+
+import org.eclipse.core.runtime.internal.adaptor.BasicLocation;
+import org.eclipse.osgi.util.NLS;
+
+import org.apache.maven.index.fs.Lock;
+import org.apache.maven.index.fs.Locker;
+
+@SuppressWarnings("restriction")
+public class EquinoxLocker
+    implements Locker
+{
+
+    public Lock lock( File directory )
+        throws IOException
+    {
+        org.eclipse.core.runtime.internal.adaptor.Locker lock = BasicLocation.createLocker(new File( directory, LOCK_FILE ), null );
+
+        if ( lock.lock() )
+        {
+            return new EquinoxLock( lock );
+        }
+
+        throw new IOException( NLS.bind("Could not acquire lock on directory {0}", directory ));
+    }
+
+}