psiprobe.controllers.sql.QueryHistoryController.java Source code

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Here is the source code for psiprobe.controllers.sql.QueryHistoryController.java

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/**
 * 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 psiprobe.controllers.sql;

import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.ParameterizableViewController;

import psiprobe.model.sql.DataSourceTestInfo;

import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 * Retrieves a history list of executed queries from a session variable.
 * 
 * @author Andy Shapoval
 */
public class QueryHistoryController extends ParameterizableViewController {

    @Override
    protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response)
            throws Exception {

        HttpSession sess = request.getSession(false);
        List<String> queryHistory = null;

        if (sess != null) {
            DataSourceTestInfo sessData = (DataSourceTestInfo) sess
                    .getAttribute(DataSourceTestInfo.DS_TEST_SESS_ATTR);

            if (sessData != null) {
                queryHistory = sessData.getQueryHistory();
            }
        }

        return new ModelAndView(getViewName(), "queryHistory", queryHistory);
    }

}