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 java.net.URI; import org.apache.commons.configuration.Configuration; import org.mobicents.servlet.restcomm.annotations.concurrency.ThreadSafe; import org.mobicents.servlet.restcomm.entities.Application; 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 ApplicationConverter extends AbstractConverter implements JsonSerializer<Application> { public ApplicationConverter(final Configuration configuration) { super(configuration); } @SuppressWarnings("rawtypes") @Override public boolean canConvert(final Class klass) { return Application.class.equals(klass); } @Override public void marshal(final Object object, final HierarchicalStreamWriter writer, final MarshallingContext context) { final Application application = (Application) object; writer.startNode("Application"); writeSid(application.getSid(), writer); writeDateCreated(application.getDateCreated(), writer); writeDateUpdated(application.getDateUpdated(), writer); writeFriendlyName(application.getFriendlyName(), writer); writeAccountSid(application.getAccountSid(), writer); writeApiVersion(application.getApiVersion(), writer); writeVoiceCallerIdLookup(application.hasVoiceCallerIdLookup(), writer); writeUri(application.getUri(), writer); writeRcmlUrl(application.getRcmlUrl(), writer); writeKind(application.getKind(), writer); writer.endNode(); } @Override public JsonElement serialize(final Application application, final Type type, final JsonSerializationContext context) { final JsonObject object = new JsonObject(); writeSid(application.getSid(), object); writeDateCreated(application.getDateCreated(), object); writeDateUpdated(application.getDateUpdated(), object); writeFriendlyName(application.getFriendlyName(), object); writeAccountSid(application.getAccountSid(), object); writeApiVersion(application.getApiVersion(), object); writeVoiceCallerIdLookup(application.hasVoiceCallerIdLookup(), object); writeUri(application.getUri(), object); writeRcmlUrl(application.getRcmlUrl(), object); writeKind(application.getKind(), object); return object; } private void writeRcmlUrl(final URI rcmlUrl, final HierarchicalStreamWriter writer) { if (rcmlUrl != null) { writer.startNode("RcmlUrl"); writer.setValue(rcmlUrl.toString()); writer.endNode(); } } private void writeRcmlUrl(final URI rcmlUrl, final JsonObject object) { if (rcmlUrl != null) { object.addProperty("rcml_url", rcmlUrl.toString()); } else { object.add("rcml_url", JsonNull.INSTANCE); } } private void writeKind(final Application.Kind kind, final HierarchicalStreamWriter writer) { if (kind != null) { writer.startNode("Kind"); writer.setValue(kind.toString()); writer.endNode(); } } private void writeKind(final Application.Kind kind, final JsonObject object) { if (kind != null) { object.addProperty("kind", kind.toString()); } else { object.add("kind", JsonNull.INSTANCE); } } }