1 /*
2  * Copyright (C) 2010 Google Inc.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.google.clearsilver.jsilver.exceptions;
18 
19 import java.io.FileNotFoundException;
20 
21 /**
22  * Class to hold utilities related to exceptions used by JSilver code.
23  */
24 public final class ExceptionUtil {
ExceptionUtil()25   private ExceptionUtil() {}
26 
27   /**
28    * Determines if the given exception was caused by an exception equivalent to FileNotFound.
29    */
isFileNotFoundException(Throwable th)30   public static boolean isFileNotFoundException(Throwable th) {
31     while (th != null) {
32       if (th instanceof JSilverTemplateNotFoundException || th instanceof FileNotFoundException) {
33         return true;
34       }
35       th = th.getCause();
36     }
37     return false;
38   }
39 }
40