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.http.converter; import java.lang.reflect.Type; import org.apache.commons.configuration.Configuration; import org.mobicents.servlet.restcomm.annotations.concurrency.ThreadSafe; import org.mobicents.servlet.restcomm.entities.Sid; import org.mobicents.servlet.restcomm.entities.Transcription; import com.google.gson.JsonElement; import com.google.gson.JsonNull; import com.google.gson.JsonObject; import com.google.gson.JsonSerializationContext; import com.google.gson.JsonSerializer; import com.thoughtworks.xstream.converters.MarshallingContext; import com.thoughtworks.xstream.io.HierarchicalStreamWriter; /** * @author quintana.thomas@gmail.com (Thomas Quintana) */ @ThreadSafe public final class TranscriptionConverter extends AbstractConverter implements JsonSerializer<Transcription> { public TranscriptionConverter(final Configuration configuration) { super(configuration); } @SuppressWarnings("rawtypes") @Override public boolean canConvert(final Class klass) { return Transcription.class.equals(klass); } @Override public void marshal(final Object object, final HierarchicalStreamWriter writer, final MarshallingContext context) { final Transcription transcription = (Transcription) object; writer.startNode("Transcription"); writeSid(transcription.getSid(), writer); writeDateCreated(transcription.getDateCreated(), writer); writeDateUpdated(transcription.getDateUpdated(), writer); writeAccountSid(transcription.getAccountSid(), writer); writeStatus(transcription.getStatus().toString(), writer); writeRecordingSid(transcription.getRecordingSid(), writer); writeDuration(transcription.getDuration(), writer); writeTranscriptionText(transcription.getTranscriptionText(), writer); writePrice(transcription.getPrice(), writer); writePriceUnit(transcription.getPriceUnit(), writer); writeUri(transcription.getUri(), writer); writer.endNode(); } @Override public JsonElement serialize(final Transcription transcription, final Type type, final JsonSerializationContext context) { final JsonObject object = new JsonObject(); writeSid(transcription.getSid(), object); writeDateCreated(transcription.getDateCreated(), object); writeDateUpdated(transcription.getDateUpdated(), object); writeAccountSid(transcription.getAccountSid(), object); writeStatus(transcription.getStatus().toString(), object); writeRecordingSid(transcription.getRecordingSid(), object); writeDuration(transcription.getDuration(), object); writeTranscriptionText(transcription.getTranscriptionText(), object); writePrice(transcription.getPrice(), object); writePriceUnit(transcription.getPriceUnit(), object); writeUri(transcription.getUri(), object); return object; } private void writeRecordingSid(final Sid recordingSid, final HierarchicalStreamWriter writer) { writer.startNode("RecordingSid"); writer.setValue(recordingSid.toString()); writer.endNode(); } private void writeRecordingSid(final Sid recordingSid, final JsonObject object) { object.addProperty("recording_sid", recordingSid.toString()); } private void writeTranscriptionText(final String transcriptionText, final HierarchicalStreamWriter writer) { writer.startNode("TranscriptionText"); if (transcriptionText != null) { writer.setValue(transcriptionText); } writer.endNode(); } private void writeTranscriptionText(final String transcriptionText, final JsonObject object) { if (transcriptionText != null) { object.addProperty("transcription_text", transcriptionText); } else { object.add("transcription_text", JsonNull.INSTANCE); } } }