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1   /*
2    * Copyright (c) 2002-2025 Gargoyle Software 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    * https://www.apache.org/licenses/LICENSE-2.0
8    *
9    * Unless required by applicable law or agreed to in writing, software
10   * distributed under the License is distributed on an "AS IS" BASIS,
11   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12   * See the License for the specific language governing permissions and
13   * limitations under the License.
14   */
15  package org.htmlunit.javascript;
16  
17  import java.net.MalformedURLException;
18  import java.net.URL;
19  
20  import org.htmlunit.ScriptException;
21  import org.htmlunit.html.HtmlPage;
22  
23  /**
24   * A listener for JavaScript exceptions.
25   *
26   * @author Ronald Brill
27   */
28  public interface JavaScriptErrorListener {
29  
30      /**
31       * Informs about a javascript exceptions.
32       *
33       * @param page the page that causes the problem
34       * @param scriptException the occurred script exception
35       */
36      void scriptException(HtmlPage page, ScriptException scriptException);
37  
38      /**
39       * Informs about a javascript timeout error.
40       *
41       * @param page the page that causes the problem
42       * @param allowedTime the max time allowed for the execution
43       * @param executionTime the already consumed time
44       */
45      void timeoutError(HtmlPage page, long allowedTime, long executionTime);
46  
47      /**
48       * Informs about a malformed url referencing to to script.
49       *
50       * @param page the page that causes the problem
51       * @param url the malformed url
52       * @param malformedURLException the occurred exception
53       */
54      void malformedScriptURL(HtmlPage page, String url, MalformedURLException malformedURLException);
55  
56      /**
57       * Informs about an exception during load of a javascript file refereed from a page.
58       *
59       * @param page the page that causes the problem
60       * @param scriptUrl the url to load the script from
61       * @param exception the occurred exception
62       */
63      void loadScriptError(HtmlPage page, URL scriptUrl, Exception exception);
64  
65      /**
66       * Informs about a javascript warning.
67       *
68       * @param message the message to be displayed
69       * @param sourceName the name of the source file
70       * @param line the line number
71       * @param lineSource the source code that failed
72       * @param lineOffset the line offset
73       */
74      void warn(String message, String sourceName, int line, String lineSource, int lineOffset);
75  }