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OpenCms is an enterprise-ready, easy to use website content management system based on Java and XML technology. Offering a complete set of features, OpenCms helps content managers worldwide to create and maintain beautiful websites fast and efficiently.

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/*
 * This library is part of OpenCms -
 * the Open Source Content Management System
 *
 * Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * For further information about Alkacon Software GmbH & Co. KG, please see the
 * company website: http://www.alkacon.com
 *
 * For further information about OpenCms, please see the
 * project website: http://www.opencms.org
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package org.opencms.workplace.tools.cache;

import org.opencms.jsp.CmsJspActionElement;
import org.opencms.loader.CmsImageLoader;
import org.opencms.main.CmsEvent;
import org.opencms.main.I_CmsEventListener;
import org.opencms.main.OpenCms;
import org.opencms.widgets.CmsCalendarWidget;
import org.opencms.workplace.CmsWidgetDialog;
import org.opencms.workplace.CmsWidgetDialogParameter;

import java.util.Collections;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.jsp.PageContext;

/**
 * The image cache clear dialog.

* * @since 7.0.5 */ public class CmsImageCacheClearDialog extends CmsWidgetDialog { /** localized messages Keys prefix. */ public static final String KEY_PREFIX = "image.clear"; /** Defines which pages are valid for this dialog. */ public static final String[] PAGES = {"page1"}; /** Widget value. */ private String m_time; /** * Public constructor with JSP action element.

* * @param jsp an initialized JSP action element */ public CmsImageCacheClearDialog(CmsJspActionElement jsp) { super(jsp); } /** * Public constructor with JSP variables.

* * @param context the JSP page context * @param req the JSP request * @param res the JSP response */ public CmsImageCacheClearDialog(PageContext context, HttpServletRequest req, HttpServletResponse res) { this(new CmsJspActionElement(context, req, res)); } /** * Commits the edited group to the db.

*/ @Override public void actionCommit() { try { float age = (System.currentTimeMillis() - Long.parseLong(m_time)) / (60f * 60f * 1000f); OpenCms.fireCmsEvent( new CmsEvent( I_CmsEventListener.EVENT_CLEAR_CACHES, Collections. singletonMap(CmsImageLoader.PARAM_CLEAR_IMAGES_CACHE, "" + age))); } catch (Exception e) { setCommitErrors(Collections.singletonList((Throwable)e)); } } /** * Returns the time.

* * @return the time */ public String getTime() { return m_time; } /** * Sets the time.

* * @param time the time to set */ public void setTime(String time) { m_time = time; } /** * Creates the dialog HTML for all defined widgets of the named dialog (page).

* * This overwrites the method from the super class to create a layout variation for the widgets.

* * @param dialog the dialog (page) to get the HTML for * * @return the dialog HTML for all defined widgets of the named dialog (page) */ @Override protected String createDialogHtml(String dialog) { StringBuffer result = new StringBuffer(1024); // create widget table result.append(createWidgetTableStart()); // show error header once if there were validation errors result.append(createWidgetErrorHeader()); if (dialog.equals(PAGES[0])) { // create the widgets for the first dialog page result.append(dialogBlockStart(key(Messages.GUI_IMAGECACHE_LABEL_CLEAN_BLOCK_0))); result.append(createWidgetTableStart()); result.append(createDialogRowsHtml(0, 0)); result.append(createWidgetTableEnd()); result.append(dialogBlockEnd()); } // close widget table result.append(createWidgetTableEnd()); return result.toString(); } /** * @see org.opencms.workplace.CmsWidgetDialog#defaultActionHtmlEnd() */ @Override protected String defaultActionHtmlEnd() { return ""; } /** * Creates the list of widgets for this dialog.

*/ @Override protected void defineWidgets() { setKeyPrefix(KEY_PREFIX); // default value is 30 minutes ago setTime("" + (System.currentTimeMillis() - (30 * 60 * 1000L))); // widgets to display addWidget(new CmsWidgetDialogParameter(this, "time", PAGES[0], new CmsCalendarWidget())); } /** * @see org.opencms.workplace.CmsWidgetDialog#getPageArray() */ @Override protected String[] getPageArray() { return PAGES; } /** * @see org.opencms.workplace.CmsWorkplace#initMessages() */ @Override protected void initMessages() { // add specific dialog resource bundle addMessages(Messages.get().getBundleName()); // add default resource bundles super.initMessages(); } /** * Overridden to set the online help path for this dialog.

* * @see org.opencms.workplace.CmsWorkplace#initWorkplaceMembers(org.opencms.jsp.CmsJspActionElement) */ @Override protected void initWorkplaceMembers(CmsJspActionElement jsp) { super.initWorkplaceMembers(jsp); setOnlineHelpUriCustom("/cache/image/clean/"); } }





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