com.liferay.blogs.web.internal.BlogsItemSelectorHelper.java Source code

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Here is the source code for com.liferay.blogs.web.internal.BlogsItemSelectorHelper.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.blogs.web.internal;

import com.liferay.blogs.item.selector.criterion.BlogsItemSelectorCriterion;
import com.liferay.blogs.web.constants.BlogsPortletKeys;
import com.liferay.item.selector.ItemSelector;
import com.liferay.item.selector.ItemSelectorReturnType;
import com.liferay.item.selector.criteria.FileEntryItemSelectorReturnType;
import com.liferay.item.selector.criteria.image.criterion.ImageItemSelectorCriterion;
import com.liferay.item.selector.criteria.upload.criterion.UploadItemSelectorCriterion;
import com.liferay.portal.kernel.language.LanguageUtil;
import com.liferay.portal.kernel.portlet.RequestBackedPortletURLFactory;
import com.liferay.portal.kernel.theme.ThemeDisplay;

import java.util.ArrayList;
import java.util.List;

import javax.portlet.ActionRequest;
import javax.portlet.PortletURL;

import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;
import org.osgi.service.component.annotations.ReferenceCardinality;
import org.osgi.service.component.annotations.ReferencePolicy;
import org.osgi.service.component.annotations.ReferencePolicyOption;

/**
 * @author Roberto Daz
 */
@Component(service = BlogsItemSelectorHelper.class)
public class BlogsItemSelectorHelper {

    public String getItemSelectorURL(RequestBackedPortletURLFactory requestBackedPortletURLFactory,
            ThemeDisplay themeDisplay, String itemSelectedEventName) {

        if (_itemSelector == null) {
            return null;
        }

        List<ItemSelectorReturnType> desiredItemSelectorReturnTypes = new ArrayList<>();

        desiredItemSelectorReturnTypes.add(new FileEntryItemSelectorReturnType());

        BlogsItemSelectorCriterion blogsItemSelectorCriterion = new BlogsItemSelectorCriterion();

        blogsItemSelectorCriterion.setDesiredItemSelectorReturnTypes(desiredItemSelectorReturnTypes);

        ImageItemSelectorCriterion imageItemSelectorCriterion = new ImageItemSelectorCriterion();

        imageItemSelectorCriterion.setDesiredItemSelectorReturnTypes(desiredItemSelectorReturnTypes);

        List<ItemSelectorReturnType> uploadCriterionDesiredItemSelectorReturnTypes = new ArrayList<>();

        uploadCriterionDesiredItemSelectorReturnTypes.add(new FileEntryItemSelectorReturnType());

        PortletURL uploadURL = requestBackedPortletURLFactory.createActionURL(BlogsPortletKeys.BLOGS);

        uploadURL.setParameter(ActionRequest.ACTION_NAME, "/blogs/upload_cover_image");

        UploadItemSelectorCriterion uploadItemSelectorCriterion = new UploadItemSelectorCriterion(
                uploadURL.toString(), LanguageUtil.get(themeDisplay.getLocale(), "blog-images"));

        uploadItemSelectorCriterion
                .setDesiredItemSelectorReturnTypes(uploadCriterionDesiredItemSelectorReturnTypes);

        PortletURL itemSelectorURL = _itemSelector.getItemSelectorURL(requestBackedPortletURLFactory,
                itemSelectedEventName, blogsItemSelectorCriterion, imageItemSelectorCriterion,
                uploadItemSelectorCriterion);

        return itemSelectorURL.toString();
    }

    @Reference(cardinality = ReferenceCardinality.OPTIONAL, policy = ReferencePolicy.DYNAMIC, policyOption = ReferencePolicyOption.GREEDY)
    public void setItemSelector(ItemSelector itemSelector) {
        _itemSelector = itemSelector;
    }

    public void unsetItemSelector(ItemSelector itemSelector) {
        _itemSelector = null;
    }

    private ItemSelector _itemSelector;

}