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

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Here is the source code for com.liferay.linkshortener.portlet.AutoShortenerPortlet.java

Source

/**
 * 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.model.Link;
import com.liferay.linkshortener.service.LinkServiceUtil;
import com.liferay.portal.kernel.exception.NestableException;
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 com.liferay.portal.kernel.util.StringPool;

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

import static com.liferay.linkshortener.portlet.AutoShortenerConstants.ENCODED_LINK_PARAM;
import static com.liferay.linkshortener.portlet.AutoShortenerConstants.LINK_PARAM;
import static com.liferay.linkshortener.util.ApplicationPropsValues.LINK_SHORTENER_HOSTNAME;

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

    public void shortenLinkAction(ActionRequest request, ActionResponse response) {

        String longLink = getAndValidateData(request);

        try {
            if (longLink != null) {
                Link link = storeLongLink(longLink);

                String encodedLink = addHostName(link.getShortLink());
                response.setRenderParameter(ENCODED_LINK_PARAM, encodedLink);
            }
        } catch (NestableException e) {
            SessionErrors.add(request, "auto-shortener-not-saved");
            _LOG.error("Unable to store the new link.", e);
        }
    }

    private String addHostName(String shortLink) {
        return LINK_SHORTENER_HOSTNAME + StringPool.FORWARD_SLASH + shortLink;
    }

    private String getAndValidateData(ActionRequest request) {
        String result = ParamUtil.getString(request, LINK_PARAM, StringPool.BLANK).trim();

        if (result.equals(StringPool.BLANK)) {
            SessionErrors.add(request, "link-required");
        }

        return result;
    }

    private Link storeLongLink(String longLink) throws NestableException {
        Link link = LinkServiceUtil.linkFactory();
        link.setLongLink(longLink);
        link.setAutoGen(true);

        return LinkServiceUtil.addLink(link);
    }

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

}