com.liferay.linkshortener.portlet.LinkTranslatorPortlet.java Source code

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Here is the source code for com.liferay.linkshortener.portlet.LinkTranslatorPortlet.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.linkshortener.portlet;

import com.liferay.compat.util.bridges.mvc.MVCPortlet;
import com.liferay.linkshortener.ShortLinkTakenException;
import com.liferay.linkshortener.model.Link;
import com.liferay.linkshortener.service.LinkServiceUtil;
import com.liferay.portal.kernel.exception.NestableException;
import com.liferay.portal.kernel.exception.SystemException;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.servlet.SessionErrors;
import com.liferay.portal.kernel.util.ParamUtil;

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

import static com.liferay.linkshortener.portlet.LinkTranslatorConstants.LINK_ID_PARAM;

/**
 * @author Miroslav Ligas
 */
public class LinkTranslatorPortlet extends MVCPortlet {

    public void addLink(ActionRequest request, ActionResponse response) {

        Link link = bindAndValidateObject(request);

        if (SessionErrors.isEmpty(request)) {
            try {
                LinkServiceUtil.addLink(link);
            } catch (SystemException e) {
                SessionErrors.add(request, "link-translator-unable-to-add");
                _LOG.error("Unable to add new entity.", e);
            } catch (ShortLinkTakenException e) {
                SessionErrors.add(request, "link-translator-link-taken");
                _LOG.info("Short link is already taken.");
            }
        }
    }

    public void deleteLink(ActionRequest request, ActionResponse response) {
        long linkId = ParamUtil.getLong(request, LINK_ID_PARAM, 0);

        if (linkId != 0) {
            try {
                LinkServiceUtil.deleteLink(linkId);
            } catch (NestableException e) {
                SessionErrors.add(request, "link-translator-unable-to-delete");
                _LOG.error("Unable to delete entry with ID " + linkId, e);
            }
        } else {
            SessionErrors.add(request, "link-translator-wrong-entry-id");
        }
    }

    public void editLink(ActionRequest request, ActionResponse response) {
        Link link = bindAndValidateObject(request);

        if (SessionErrors.isEmpty(request)) {
            try {
                LinkServiceUtil.updateLink(link);
            } catch (SystemException e) {
                SessionErrors.add(request, "link-translator-unable-to-update");
                _LOG.error("Unable to update link with Id " + link.getLinkId(), e);
            } catch (ShortLinkTakenException e) {
                SessionErrors.add(request, "link-translator-link-taken");
                _LOG.info("Short link is already taken.");
            }
        }
    }

    private Link bindAndValidateObject(PortletRequest request) {
        Link result = LinkServiceUtil.linkFactory();

        long linkId = ParamUtil.getLong(request, "linkId");
        String shortLink = ParamUtil.getString(request, "shortLink");
        String longLink = ParamUtil.getString(request, "longLink");
        boolean active = ParamUtil.getBoolean(request, "active");

        result.setLinkId(linkId);
        result.setLongLink(longLink);
        result.setShortLink(shortLink);
        result.setActive(active);
        result.setAutoGen(false);

        LinkValidator.getInstance().validate(request, result);

        return result;
    }

    private static Log _LOG = LogFactoryUtil.getLog(LinkTranslatorPortlet.class);

}