Deleted unused CircularReferenceException

gson/src/main/java/com/google/gson/CircularReferenceException.java

@@ -1,45 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc.
- *
- * 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.google.gson;
-
-/**
- * Exception class to indicate a circular reference error.
- * This class is not part of the public API and hence is not public.
- *
- * @author Inderjeet Singh
- * @author Joel Leitch
- */
-final class CircularReferenceException extends RuntimeException {
-  private static final long serialVersionUID = 7444343294106513081L;
-  private final Object offendingNode;
-
-  CircularReferenceException(Object offendingNode) {
-    super("circular reference error");
-    this.offendingNode = offendingNode;
-  }
-  
-  public IllegalStateException createDetailedException(FieldAttributes offendingField) {
-    StringBuilder msg = new StringBuilder(getMessage());
-    if (offendingField != null) {
-      msg.append("\n  ").append("Offending field: ").append(offendingField.getName() + "\n");
-    }
-    if (offendingNode != null) {
-      msg.append("\n  ").append("Offending object: ").append(offendingNode);
-    }
-    return new IllegalStateException(msg.toString(), this);
-  }
-}