org.liferay.jukebox.portlet.ArtistsPortlet.java Source code

Java tutorial

Introduction

Here is the source code for org.liferay.jukebox.portlet.ArtistsPortlet.java

Source

/**
 * Copyright (c) 2000-2013 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 org.liferay.jukebox.portlet;

import com.liferay.portal.kernel.servlet.SessionErrors;
import com.liferay.portal.kernel.servlet.SessionMessages;
import com.liferay.portal.kernel.upload.UploadPortletRequest;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.security.auth.PrincipalException;
import com.liferay.portal.service.ServiceContext;
import com.liferay.portal.service.ServiceContextFactory;
import com.liferay.portal.util.PortalUtil;
import com.liferay.util.bridges.mvc.MVCPortlet;

import java.io.InputStream;

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

import org.liferay.jukebox.ArtistNameException;
import org.liferay.jukebox.model.Artist;
import org.liferay.jukebox.service.ArtistServiceUtil;

/**
 * @author Julio Camarero
 * @author Sergio Gonzlez
 * @author Eudaldo Alonso
 */
public class ArtistsPortlet extends MVCPortlet {

    public void addArtist(ActionRequest request, ActionResponse response) throws Exception {

        UploadPortletRequest uploadPortletRequest = PortalUtil.getUploadPortletRequest(request);

        String name = ParamUtil.getString(uploadPortletRequest, "name");

        String bio = ParamUtil.getString(uploadPortletRequest, "bio");

        InputStream inputStream = uploadPortletRequest.getFileAsStream("file");

        ServiceContext serviceContext = ServiceContextFactory.getInstance(Artist.class.getName(),
                uploadPortletRequest);

        try {
            ArtistServiceUtil.addArtist(name, bio, inputStream, serviceContext);

            SessionMessages.add(request, "artistAdded");

            String redirect = ParamUtil.getString(uploadPortletRequest, "redirect");

            response.sendRedirect(redirect);
        } catch (Exception e) {
            SessionErrors.add(request, e.getClass().getName());

            if (e instanceof ArtistNameException || e instanceof PrincipalException) {

                response.setRenderParameter("jspPage", "/html/artists/edit_artist.jsp");
            } else {
                response.setRenderParameter("jspPage", "/html/error.jsp");
            }
        }
    }

    public void deleteArtist(ActionRequest request, ActionResponse response) throws Exception {

        long artistId = ParamUtil.getLong(request, "artistId");

        ServiceContext serviceContext = ServiceContextFactory.getInstance(Artist.class.getName(), request);

        try {
            ArtistServiceUtil.deleteArtist(artistId, serviceContext);

            SessionMessages.add(request, "artistDeleted");

            sendRedirect(request, response);
        } catch (Exception e) {
            SessionErrors.add(request, e.getClass().getName());

            response.setRenderParameter("jspPage", "/html/error.jsp");
        }
    }

    public void updateArtist(ActionRequest request, ActionResponse response) throws Exception {

        UploadPortletRequest uploadPortletRequest = PortalUtil.getUploadPortletRequest(request);

        long artistId = ParamUtil.getLong(uploadPortletRequest, "artistId");
        String name = ParamUtil.getString(uploadPortletRequest, "name");
        String bio = ParamUtil.getString(uploadPortletRequest, "bio");

        InputStream inputStream = uploadPortletRequest.getFileAsStream("file");

        ServiceContext serviceContext = ServiceContextFactory.getInstance(Artist.class.getName(),
                uploadPortletRequest);

        try {
            ArtistServiceUtil.updateArtist(artistId, name, bio, inputStream, serviceContext);

            SessionMessages.add(request, "artistUpdated");

            String redirect = ParamUtil.getString(uploadPortletRequest, "redirect");

            response.sendRedirect(redirect);
        } catch (Exception e) {
            SessionErrors.add(request, e.getClass().getName());

            if (e instanceof ArtistNameException || e instanceof PrincipalException) {

                response.setRenderParameter("jspPage", "/html/artists/edit_artist.jsp");
            } else {
                response.setRenderParameter("jspPage", "/html/error.jsp");
            }
        }
    }

    public final static String PORTLET_ID = "artists_WAR_jukeboxportlet";

}