Merge "Fix WindowCursor memory leak."

org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/PackFileTest.java

@@ -123,7 +123,7 @@ public class PackFileTest extends LocalDiskRepositoryTestCase {
 	@After
 	public void tearDown() throws Exception {
 		if (wc != null)
-			wc.release();
+			wc.close();
 		new WindowCacheConfig().install();
 		super.tearDown();
 	}

org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/UnpackedObjectTest.java

@@ -108,7 +108,7 @@ public class UnpackedObjectTest extends LocalDiskRepositoryTestCase {
 	@After
 	public void tearDown() throws Exception {
 		if (wc != null)
-			wc.release();
+			wc.close();
 		new WindowCacheConfig().install();
 		super.tearDown();
 	}

org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackInputStream.java

@@ -80,6 +80,6 @@ class PackInputStream extends InputStream {
 
 	@Override
 	public void close() {
-		wc.release();
+		wc.close();
 	}
 }

org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/UnpackedObject.java

@@ -95,7 +95,7 @@ public class UnpackedObject {
 		try {
 			return open(new ByteArrayInputStream(raw), null, id, wc);
 		} finally {
-			wc.release();
+			wc.close();
 		}
 	}
 

org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/WindowCursor.java

@@ -330,7 +330,8 @@ final class WindowCursor extends ObjectReader implements ObjectReuseAsIs {
 	}
 
 	/** Release the current window cursor. */
-	public void release() {
+	@Override
+	public void close() {
 		window = null;
 		baseCache = null;
 		try {

org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectReader.java

@@ -430,7 +430,5 @@ public abstract class ObjectReader implements AutoCloseable {
 	 * @since 4.0
 	 */
 	@Override
-	public void close() {
-		// Do nothing.
-	}
+	public abstract void close();
 }