unused class removed

diff --git a/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/LibrariesAlphaComparator.java b/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/LibrariesAlphaComparator.java
deleted file mode 100644 (file)
index 1463e17..0000000
--- a/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/LibrariesAlphaComparator.java
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * Copyright 2000-2009 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.intellij.openapi.roots.ui.configuration;
-
-import com.intellij.openapi.roots.OrderRootType;
-import com.intellij.openapi.roots.libraries.Library;
-import com.intellij.openapi.vfs.VirtualFile;
-
-import java.util.Comparator;
-
-/**
- * @author Eugene Zhuravlev
- *         Date: Jan 14, 2004
- */
-public class LibrariesAlphaComparator implements Comparator<Library> {
-  public static LibrariesAlphaComparator INSTANCE = new LibrariesAlphaComparator();
-
-  @Override
-  public int compare(Library library1, Library library2) {
-    String name1 = library1.getName();
-    if (name1 != null && name1.length() == 0) {
-      name1 = null;
-    }
-    String name2 = library2.getName();
-    if (name2 != null && name2.length() == 0) {
-      name2 = null;
-    }
-    if (name1 == null && name2 == null) {
-      final VirtualFile[] files1 = library1.getFiles(OrderRootType.CLASSES);
-      final VirtualFile[] files2 = library2.getFiles(OrderRootType.CLASSES);
-      name1 = files1.length > 0? files1[0].getName() : null;
-      name2 = files2.length > 0? files2[0].getName() : null;
-    }
-    return compareNames(name1, name2);
-  }
-
-  public int compareNames(String name1, String name2) {
-    if (name1 == null && name2 == null) {
-      return 0;
-    }
-    else if (name1 == null) {
-      return -1;
-    }
-    else if (name2 == null) {
-      return +1;
-    }
-    else {
-      return name1.compareToIgnoreCase(name2);
-    }
-  }
-}