com.liferay.dynamic.data.mapping.web.internal.portlet.action.RenderStructureFieldMVCRenderCommand.java Source code

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Here is the source code for com.liferay.dynamic.data.mapping.web.internal.portlet.action.RenderStructureFieldMVCRenderCommand.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.dynamic.data.mapping.web.internal.portlet.action;

import com.liferay.dynamic.data.mapping.constants.DDMPortletKeys;
import com.liferay.dynamic.data.mapping.io.DDMFormJSONDeserializer;
import com.liferay.dynamic.data.mapping.model.DDMForm;
import com.liferay.dynamic.data.mapping.model.DDMFormField;
import com.liferay.dynamic.data.mapping.render.DDMFormFieldRenderer;
import com.liferay.dynamic.data.mapping.render.DDMFormFieldRendererRegistry;
import com.liferay.dynamic.data.mapping.render.DDMFormFieldRenderingContext;
import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.portlet.bridges.mvc.BaseMVCResourceCommand;
import com.liferay.portal.kernel.portlet.bridges.mvc.MVCResourceCommand;
import com.liferay.portal.kernel.servlet.ServletResponseUtil;
import com.liferay.portal.kernel.theme.ThemeDisplay;
import com.liferay.portal.kernel.util.ContentTypes;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.Portal;
import com.liferay.portal.kernel.util.WebKeys;

import java.util.Map;

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

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

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

/**
 * @author Bruno Basto
 * @author Leonardo Barros
 */
@Component(immediate = true, property = { "javax.portlet.name=" + DDMPortletKeys.DYNAMIC_DATA_MAPPING,
        "mvc.command.name=renderStructureField" }, service = MVCResourceCommand.class)
public class RenderStructureFieldMVCRenderCommand extends BaseMVCResourceCommand {

    protected DDMFormFieldRenderingContext createDDMFormFieldRenderingContext(HttpServletRequest request,
            HttpServletResponse response) {

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

        String mode = ParamUtil.getString(request, "mode");
        String namespace = ParamUtil.getString(request, "namespace");
        String portletNamespace = ParamUtil.getString(request, "portletNamespace");
        boolean readOnly = ParamUtil.getBoolean(request, "readOnly");

        DDMFormFieldRenderingContext ddmFormFieldRenderingContext = new DDMFormFieldRenderingContext();

        request.setAttribute("aui:form:portletNamespace", portletNamespace);

        ddmFormFieldRenderingContext.setHttpServletRequest(_portal.getOriginalServletRequest(request));
        ddmFormFieldRenderingContext.setHttpServletResponse(response);
        ddmFormFieldRenderingContext.setLocale(themeDisplay.getLocale());
        ddmFormFieldRenderingContext.setMode(mode);
        ddmFormFieldRenderingContext.setNamespace(namespace);
        ddmFormFieldRenderingContext.setPortletNamespace(portletNamespace);
        ddmFormFieldRenderingContext.setReadOnly(readOnly);

        return ddmFormFieldRenderingContext;
    }

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

        HttpServletResponse httpServletResponse = _portal.getHttpServletResponse(resourceResponse);

        HttpServletRequest httpServletRequest = _portal.getHttpServletRequest(resourceRequest);

        DDMFormField ddmFormField = getDDMFormField(httpServletRequest);

        DDMFormFieldRenderer ddmFormFieldRenderer = _ddmFormFieldRendererRegistry
                .getDDMFormFieldRenderer(ddmFormField.getType());

        DDMFormFieldRenderingContext ddmFormFieldRenderingContext = createDDMFormFieldRenderingContext(
                httpServletRequest, httpServletResponse);

        String ddmFormFieldHTML = ddmFormFieldRenderer.render(ddmFormField, ddmFormFieldRenderingContext);

        httpServletResponse.setContentType(ContentTypes.TEXT_HTML);

        ServletResponseUtil.write(httpServletResponse, ddmFormFieldHTML);
    }

    protected DDMFormField getDDMFormField(HttpServletRequest request) throws PortalException {

        String definition = ParamUtil.getString(request, "definition");
        String fieldName = ParamUtil.getString(request, "fieldName");

        DDMForm ddmForm = _ddmFormJSONDeserializer.deserialize(definition);

        Map<String, DDMFormField> ddmFormFieldsMap = ddmForm.getDDMFormFieldsMap(true);

        return ddmFormFieldsMap.get(fieldName);
    }

    @Reference(unbind = "-")
    protected void setDDMFormFieldRendererRegistry(DDMFormFieldRendererRegistry ddmFormFieldRendererRegistry) {

        _ddmFormFieldRendererRegistry = ddmFormFieldRendererRegistry;
    }

    @Reference(unbind = "-")
    protected void setDDMFormJSONDeserializer(DDMFormJSONDeserializer ddmFormJSONDeserializer) {

        _ddmFormJSONDeserializer = ddmFormJSONDeserializer;
    }

    private DDMFormFieldRendererRegistry _ddmFormFieldRendererRegistry;
    private DDMFormJSONDeserializer _ddmFormJSONDeserializer;

    @Reference
    private Portal _portal;

}