/*
* 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;
import java.io.
IOException;
import java.io.
Serializable;
import java.net.
URL;
/**
* This refresh handler immediately refreshes the specified page,
* using the specified URL and ignoring the wait time.
*
* If you want a refresh handler that does not ignore the wait time,
* see {@link ThreadedRefreshHandler}.
*
* @author <a href="mailto:mbowler@GargoyleSoftware.com">Mike Bowler</a>
* @author Daniel Gredler
* @author Marc Guillemot
* @author Ahmed Ashour
*/
public class
ImmediateRefreshHandler implements
RefreshHandler,
Serializable {
/**
* Immediately refreshes the specified page using the specified URL.
* @param page the page that is going to be refreshed
* @param url the URL where the new page will be loaded
* @param seconds the number of seconds to wait before reloading the page (ignored!)
* @throws IOException if the refresh fails
*/
@
Override
public void
handleRefresh(final
Page page, final
URL url, final int
seconds) throws
IOException {
final
WebWindow window =
page.
getEnclosingWindow();
if (
window == null) {
return;
}
final
WebClient client =
window.
getWebClient();
if (
page.
getUrl().
toExternalForm().
equals(
url.
toExternalForm())
&&
HttpMethod.
GET ==
page.
getWebResponse().
getWebRequest().
getHttpMethod()) {
final
String msg = "Refresh to " +
url + " (" +
seconds + "s) aborted by HtmlUnit: "
+ "Attempted to refresh a page using an ImmediateRefreshHandler "
+ "which could have caused an OutOfMemoryError "
+ "Please use WaitingRefreshHandler or ThreadedRefreshHandler instead.";
throw new
RuntimeException(
msg);
}
client.
getPage(
window, new
WebRequest(
url));
}
}