com.liferay.wiki.web.internal.portlet.action.CompareVersionsMVCResourceCommand.java Source code

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Here is the source code for com.liferay.wiki.web.internal.portlet.action.CompareVersionsMVCResourceCommand.java

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/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * 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.
 */

package com.liferay.wiki.web.internal.portlet.action;

import com.liferay.portal.kernel.portlet.bridges.mvc.BaseMVCResourceCommand;
import com.liferay.portal.kernel.portlet.bridges.mvc.MVCResourceCommand;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.WebKeys;
import com.liferay.wiki.constants.WikiPortletKeys;
import com.liferay.wiki.engine.impl.WikiEngineRenderer;

import javax.portlet.ResourceRequest;
import javax.portlet.ResourceResponse;

import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;

/**
 * @author Bruno Farache
 * @author Julio Camarero
 */
@Component(immediate = true, property = { "javax.portlet.name=" + WikiPortletKeys.WIKI,
        "javax.portlet.name=" + WikiPortletKeys.WIKI_ADMIN, "javax.portlet.name=" + WikiPortletKeys.WIKI_DISPLAY,
        "mvc.command.name=/wiki/compare_versions" }, service = MVCResourceCommand.class)
public class CompareVersionsMVCResourceCommand extends BaseMVCResourceCommand {

    @Override
    protected void doServeResource(ResourceRequest resourceRequest, ResourceResponse resourceResponse)
            throws Exception {

        double sourceVersion = ParamUtil.getDouble(resourceRequest, "filterSourceVersion");
        double targetVersion = ParamUtil.getDouble(resourceRequest, "filterTargetVersion");

        String htmlDiffResult = ActionUtil.getHtmlDiffResult(sourceVersion, targetVersion, resourceRequest,
                resourceResponse, _wikiEngineRenderer);

        resourceRequest.setAttribute(WebKeys.DIFF_HTML_RESULTS, htmlDiffResult);

        include(resourceRequest, resourceResponse, "/wiki/compare_versions_diff_html.jsp");
    }

    @Reference(unbind = "-")
    protected void setWikiEngineRenderer(WikiEngineRenderer wikiEngineRenderer) {

        _wikiEngineRenderer = wikiEngineRenderer;
    }

    private WikiEngineRenderer _wikiEngineRenderer;

}