Java tutorial
/* * TeleStax, Open Source Cloud Communications * Copyright 2011-2014, Telestax Inc and individual contributors * by the @authors tag. * * This program is free software: you can redistribute it and/or modify * under the terms of the GNU Affero 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/> * */ package org.mobicents.servlet.restcomm.dao.mybatis; import java.math.BigDecimal; import java.net.URI; import java.util.ArrayList; import java.util.Currency; import java.util.HashMap; import java.util.List; import java.util.Map; import org.apache.ibatis.session.SqlSession; import org.apache.ibatis.session.SqlSessionFactory; import org.joda.time.DateTime; import static org.mobicents.servlet.restcomm.dao.DaoUtils.*; import org.mobicents.servlet.restcomm.dao.TranscriptionsDao; import org.mobicents.servlet.restcomm.entities.Sid; import org.mobicents.servlet.restcomm.entities.Transcription; import org.mobicents.servlet.restcomm.annotations.concurrency.ThreadSafe; /** * @author quintana.thomas@gmail.com (Thomas Quintana) */ @ThreadSafe public final class MybatisTranscriptionsDao implements TranscriptionsDao { private static final String namespace = "org.mobicents.servlet.sip.restcomm.dao.TranscriptionsDao."; private final SqlSessionFactory sessions; public MybatisTranscriptionsDao(final SqlSessionFactory sessions) { super(); this.sessions = sessions; } @Override public void addTranscription(final Transcription transcription) { final SqlSession session = sessions.openSession(); try { session.insert(namespace + "addTranscription", toMap(transcription)); session.commit(); } finally { session.close(); } } @Override public Transcription getTranscription(final Sid sid) { return getTranscription(namespace + "getTranscription", sid); } @Override public Transcription getTranscriptionByRecording(final Sid recordingSid) { return getTranscription(namespace + "getTranscriptionByRecording", recordingSid); } private Transcription getTranscription(final String selector, final Sid sid) { final SqlSession session = sessions.openSession(); try { final Map<String, Object> result = session.selectOne(selector, sid.toString()); if (result != null) { return toTranscription(result); } else { return null; } } finally { session.close(); } } @Override public List<Transcription> getTranscriptions(final Sid accountSid) { final SqlSession session = sessions.openSession(); try { final List<Map<String, Object>> results = session.selectList(namespace + "getTranscriptions", accountSid.toString()); final List<Transcription> transcriptions = new ArrayList<Transcription>(); if (results != null && !results.isEmpty()) { for (final Map<String, Object> result : results) { transcriptions.add(toTranscription(result)); } } return transcriptions; } finally { session.close(); } } @Override public void removeTranscription(final Sid sid) { removeTranscriptions(namespace + "removeTranscription", sid); } @Override public void removeTranscriptions(final Sid accountSid) { removeTranscriptions(namespace + "removeTranscriptions", accountSid); } private void removeTranscriptions(final String selector, final Sid sid) { final SqlSession session = sessions.openSession(); try { session.delete(selector, sid.toString()); session.commit(); } finally { session.close(); } } @Override public void updateTranscription(final Transcription transcription) { final SqlSession session = sessions.openSession(); try { session.update(namespace + "updateTranscription", toMap(transcription)); session.commit(); } finally { session.close(); } } private Map<String, Object> toMap(final Transcription transcription) { final Map<String, Object> map = new HashMap<String, Object>(); map.put("sid", writeSid(transcription.getSid())); map.put("date_created", writeDateTime(transcription.getDateCreated())); map.put("date_updated", writeDateTime(transcription.getDateUpdated())); map.put("account_sid", writeSid(transcription.getAccountSid())); map.put("status", transcription.getStatus().toString()); map.put("recording_sid", writeSid(transcription.getRecordingSid())); map.put("duration", transcription.getDuration()); map.put("transcription_text", transcription.getTranscriptionText()); map.put("price", writeBigDecimal(transcription.getPrice())); map.put("price_unit", writeCurrency(transcription.getPriceUnit())); map.put("uri", writeUri(transcription.getUri())); return map; } private Transcription toTranscription(final Map<String, Object> map) { final Sid sid = readSid(map.get("sid")); final DateTime dateCreated = readDateTime(map.get("date_created")); final DateTime dateUpdated = readDateTime(map.get("date_updated")); final Sid accountSid = readSid(map.get("account_sid")); final String text = readString(map.get("status")); final Transcription.Status status = Transcription.Status.getStatusValue(text); final Sid recordingSid = readSid(map.get("recording_sid")); final Double duration = readDouble(map.get("duration")); final String transcriptionText = readString(map.get("transcription_text")); final BigDecimal price = readBigDecimal(map.get("price")); final Currency priceUnit = readCurrency(map.get("price_unit")); final URI uri = readUri(map.get("uri")); return new Transcription(sid, dateCreated, dateUpdated, accountSid, status, recordingSid, duration, transcriptionText, price, priceUnit, uri); } }