/*
* Licensed under the GPL License. You may not use this file except in
* compliance with the License. You may obtain a copy of the License at
*
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*
* THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
package com.googlecode.psiprobe.controllers.system;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.web.bind.ServletRequestUtils;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.ParameterizableViewController;
import org.springframework.web.servlet.view.RedirectView;
/**
* Force is a wrong term here. Advises Java to run GC asap.
*
* @author Vlad Ilyushchenko
*/
public class AdviseGCController extends ParameterizableViewController {
private String replacePattern;
public String getReplacePattern() {
return replacePattern;
}
public void setReplacePattern(String replacePattern) {
this.replacePattern = replacePattern;
}
protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response) throws Exception {
boolean finalization = ServletRequestUtils.getBooleanParameter(request, "fin", false);
String referer = request.getHeader("Referer");
String redirectURL;
if (referer != null) {
redirectURL = referer.replaceAll(replacePattern, "");
} else {
redirectURL = request.getContextPath() + getViewName();
}
if (finalization) {
Runtime.getRuntime().runFinalization();
logger.debug("Advised finalization");
} else {
Runtime.getRuntime().gc();
logger.debug("Advised Garbage Collection");
}
logger.debug("Redirected to "+redirectURL);
return new ModelAndView(new RedirectView(redirectURL));
}
}