Java tutorial
/* * https://github.com/achatain/catalog * * Copyright (C) 2017 Antoine Chatain (achatain [at] outlook [dot] com) * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package com.github.achatain.catalog.servlet; import com.github.achatain.catalog.jms.IndexMessage; import com.github.achatain.javawebappauthentication.service.SessionService; import com.google.gson.Gson; import org.apache.commons.lang3.CharEncoding; import javax.inject.Inject; import javax.inject.Named; import javax.inject.Singleton; import javax.jms.Destination; import javax.jms.JMSContext; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; import java.net.URLDecoder; import java.util.logging.Logger; import static java.lang.String.format; @Singleton public class IndexIdServlet extends AuthenticatedJsonHttpServlet { public static final String REGEX_PATH = "\\%s\\%s\\/collections\\/\\w+\\/indexes\\/.+"; private static final transient Logger LOG = Logger.getLogger(IndexIdServlet.class.getName()); private final transient Destination indexCreateDestination; private final transient Destination indexDropDestination; private final transient JMSContext jmsContext; @Inject IndexIdServlet(final SessionService sessionService, @Named("pretty") final Gson gson, @Named("indexCreate") final Destination indexCreateDestination, @Named("indexDrop") final Destination indexDropDestination, final JMSContext jmsContext) { super(gson, sessionService); this.indexCreateDestination = indexCreateDestination; this.indexDropDestination = indexDropDestination; this.jmsContext = jmsContext; } @Override protected void doPost(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException { final String userId = getUserId(req); final String colId = extractCollectionIdFromRequest(req); final String fieldName = URLDecoder.decode(extractFieldNameFromRequest(req), CharEncoding.UTF_8); LOG.info(format("User [%s] to add the following index [%s] in the collection [%s]", userId, fieldName, colId)); final IndexMessage indexMessage = IndexMessage.create().withUserId(userId).withColId(colId) .withFieldName(fieldName).build(); jmsContext.createProducer().send(indexCreateDestination, indexMessage); } @Override protected void doDelete(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException { final String userId = getUserId(req); final String colId = extractCollectionIdFromRequest(req); final String fieldName = URLDecoder.decode(extractFieldNameFromRequest(req), CharEncoding.UTF_8); LOG.info(format("User [%s] to delete the following index [%s] in the collection [%s]", userId, fieldName, colId)); final IndexMessage indexMessage = IndexMessage.create().withUserId(userId).withColId(colId) .withFieldName(fieldName).build(); jmsContext.createProducer().send(indexDropDestination, indexMessage); } }