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A headless browser intended for use in testing web-based applications.

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/*
 * Copyright (c) 2002-2018 Gargoyle Software 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.gargoylesoftware.htmlunit.javascript;

import java.net.MalformedURLException;
import java.net.URL;

import com.gargoylesoftware.htmlunit.ScriptException;
import com.gargoylesoftware.htmlunit.html.HtmlPage;

/**
 * A listener for JavaScript exceptions.
 *
 * @author Ronald Brill
 */
public interface JavaScriptErrorListener {

    /**
     * Informs about a javascript exceptions.
     *
     * @param page the page that causes the problem
     * @param scriptException the occurred script exception
     */
    void scriptException(HtmlPage page, ScriptException scriptException);

    /**
     * Informs about a javascript timeout error.
     *
     * @param page the page that causes the problem
     * @param allowedTime the max time allowed for the execution
     * @param executionTime the already consumed time
     */
    void timeoutError(HtmlPage page, long allowedTime, long executionTime);

    /**
     * Informs about a malformed url referencing to to script.
     *
     * @param page the page that causes the problem
     * @param url the malformed url
     * @param malformedURLException the occurred exception
     */
    void malformedScriptURL(HtmlPage page, String url,
            MalformedURLException malformedURLException);

    /**
     * Informs about an exception during load of a javascript file refereed from a page.
     *
     * @param page the page that causes the problem
     * @param scriptUrl the url to load the script from
     * @param exception the occurred exception
     */
    void loadScriptError(HtmlPage page, URL scriptUrl, Exception exception);
}