com.liferay.layout.admin.web.internal.portlet.action.AssetDisplayContributorFieldsMVCActionCommand.java Source code

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Here is the source code for com.liferay.layout.admin.web.internal.portlet.action.AssetDisplayContributorFieldsMVCActionCommand.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.layout.admin.web.internal.portlet.action;

import com.liferay.asset.display.contributor.AssetDisplayContributor;
import com.liferay.asset.display.contributor.AssetDisplayContributorTracker;
import com.liferay.asset.display.contributor.AssetDisplayField;
import com.liferay.layout.admin.constants.LayoutAdminPortletKeys;
import com.liferay.portal.kernel.json.JSONArray;
import com.liferay.portal.kernel.json.JSONFactoryUtil;
import com.liferay.portal.kernel.portlet.JSONPortletResponseUtil;
import com.liferay.portal.kernel.portlet.bridges.mvc.BaseMVCActionCommand;
import com.liferay.portal.kernel.portlet.bridges.mvc.MVCActionCommand;
import com.liferay.portal.kernel.theme.ThemeDisplay;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.WebKeys;

import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;

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

/**
 * @author Jrgen Kappler
 */
@Component(immediate = true, property = { "javax.portlet.name=" + LayoutAdminPortletKeys.GROUP_PAGES,
        "mvc.command.name=/layout/asset_display_contributor_fields" }, service = MVCActionCommand.class)
public class AssetDisplayContributorFieldsMVCActionCommand extends BaseMVCActionCommand {

    @Override
    protected void doProcessAction(ActionRequest actionRequest, ActionResponse actionResponse) throws Exception {

        ThemeDisplay themeDisplay = (ThemeDisplay) actionRequest.getAttribute(WebKeys.THEME_DISPLAY);

        String className = ParamUtil.getString(actionRequest, "className");

        AssetDisplayContributor assetDisplayContributor = _assetDisplayContributorTracker
                .getAssetDisplayContributor(className);

        if (assetDisplayContributor == null) {
            JSONPortletResponseUtil.writeJSON(actionRequest, actionResponse, JSONFactoryUtil.createJSONArray());

            return;
        }

        JSONArray jsonArray = JSONFactoryUtil.createJSONArray();

        for (AssetDisplayField assetDisplayField : assetDisplayContributor
                .getAssetEntryFields(themeDisplay.getLocale())) {

            jsonArray.put(assetDisplayField.toJSONObject());
        }

        JSONPortletResponseUtil.writeJSON(actionRequest, actionResponse, jsonArray);
    }

    @Reference
    private AssetDisplayContributorTracker _assetDisplayContributorTracker;

}