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.math.BigDecimal; import java.net.URI; import java.text.SimpleDateFormat; import java.util.Currency; import java.util.Locale; import org.apache.commons.configuration.Configuration; import org.joda.time.DateTime; import org.mobicents.servlet.restcomm.entities.Sid; import com.google.gson.JsonNull; import com.google.gson.JsonObject; import com.thoughtworks.xstream.converters.Converter; import com.thoughtworks.xstream.converters.MarshallingContext; import com.thoughtworks.xstream.converters.UnmarshallingContext; import com.thoughtworks.xstream.io.HierarchicalStreamReader; import com.thoughtworks.xstream.io.HierarchicalStreamWriter; /** * @author quintana.thomas@gmail.com (Thomas Quintana) * @author <a href="mailto:gvagenas@gmail.com">gvagenas</a> * @author <a href="mailto:jean.deruelle@telestax.com">Jean Deruelle</a> */ public abstract class AbstractConverter implements Converter { protected final Configuration configuration; public AbstractConverter(final Configuration configuration) { super(); this.configuration = configuration; } @SuppressWarnings("rawtypes") @Override public abstract boolean canConvert(Class klass); @Override public abstract void marshal(final Object object, HierarchicalStreamWriter writer, MarshallingContext context); @Override public Object unmarshal(final HierarchicalStreamReader reader, final UnmarshallingContext context) { return null; } protected void writeAccountSid(final Sid accountSid, final HierarchicalStreamWriter writer) { if (accountSid != null) { writer.startNode("AccountSid"); writer.setValue(accountSid.toString()); writer.endNode(); } } protected void writeAccountSid(final Sid accountSid, final JsonObject object) { if (accountSid != null) { object.addProperty("account_sid", accountSid.toString()); } else { object.add("account_sid", JsonNull.INSTANCE); } } protected void writeApiVersion(final String apiVersion, final HierarchicalStreamWriter writer) { writer.startNode("ApiVersion"); writer.setValue(apiVersion); writer.endNode(); } protected void writeApiVersion(final String apiVersion, final JsonObject object) { object.addProperty("api_version", apiVersion); } protected void writeCallSid(final Sid callSid, final HierarchicalStreamWriter writer) { if (callSid != null) { writer.startNode("CallSid"); writer.setValue(callSid.toString()); writer.endNode(); } } protected void writeCallSid(final Sid callSid, final JsonObject object) { if (callSid != null) object.addProperty("call_sid", callSid.toString()); } protected void writeDateCreated(final DateTime dateCreated, final HierarchicalStreamWriter writer) { writer.startNode("DateCreated"); writer.setValue(new SimpleDateFormat("EEE, d MMM yyyy HH:mm:ss Z", Locale.US).format(dateCreated.toDate())); writer.endNode(); } protected void writeDateCreated(final DateTime dateCreated, final JsonObject object) { object.addProperty("date_created", new SimpleDateFormat("EEE, d MMM yyyy HH:mm:ss Z", Locale.US).format(dateCreated.toDate())); } protected void writeDateUpdated(final DateTime dateUpdated, final HierarchicalStreamWriter writer) { writer.startNode("DateUpdated"); writer.setValue(new SimpleDateFormat("EEE, d MMM yyyy HH:mm:ss Z", Locale.US).format(dateUpdated.toDate())); writer.endNode(); } protected void writeDateUpdated(final DateTime dateUpdated, final JsonObject object) { object.addProperty("date_updated", new SimpleDateFormat("EEE, d MMM yyyy HH:mm:ss Z", Locale.US).format(dateUpdated.toDate())); } protected void writeDuration(final double duration, final HierarchicalStreamWriter writer) { writer.startNode("Duration"); writer.setValue(Double.toString(duration)); writer.endNode(); } protected void writeDuration(final double duration, final JsonObject object) { object.addProperty("duration", Double.toString(duration)); } protected void writeFriendlyName(final String friendlyName, final HierarchicalStreamWriter writer) { writer.startNode("FriendlyName"); writer.setValue(friendlyName); writer.endNode(); } protected void writeFriendlyName(final String friendlyName, final JsonObject object) { object.addProperty("friendly_name", friendlyName); } protected void writeFrom(final String from, final HierarchicalStreamWriter writer) { writer.startNode("From"); writer.setValue(from); writer.endNode(); } protected void writeFrom(final String from, final JsonObject object) { object.addProperty("from", from); } protected void writePhoneNumber(final String phoneNumber, final HierarchicalStreamWriter writer) { writer.startNode("PhoneNumber"); writer.setValue(phoneNumber); writer.endNode(); } protected void writePhoneNumber(final String phoneNumber, final JsonObject object) { object.addProperty("phone_number", phoneNumber); } protected void writePrice(final BigDecimal price, final HierarchicalStreamWriter writer) { writer.startNode("Price"); writer.setValue(price.toString()); writer.endNode(); } protected void writePrice(final BigDecimal price, final JsonObject object) { object.addProperty("price", price.toString()); } protected void writePriceUnit(final Currency priceUnit, final HierarchicalStreamWriter writer) { writer.startNode("PriceUnit"); if (priceUnit != null) { writer.setValue(priceUnit.toString()); } writer.endNode(); } protected void writePriceUnit(final Currency priceUnit, final JsonObject object) { if (priceUnit != null) { object.addProperty("price_unit", priceUnit.toString()); } else { object.add("price_unit", JsonNull.INSTANCE); } } protected void writeSid(final Sid sid, final HierarchicalStreamWriter writer) { writer.startNode("Sid"); writer.setValue(sid.toString()); writer.endNode(); } protected void writeSid(final Sid sid, final JsonObject object) { object.addProperty("sid", sid.toString()); } protected void writeSmsFallbackUrl(final URI smsFallbackUrl, final HierarchicalStreamWriter writer) { if (smsFallbackUrl != null) { writer.startNode("SmsFallbackUrl"); writer.setValue(smsFallbackUrl.toString()); writer.endNode(); } } protected void writeSmsFallbackUrl(final URI smsFallbackUrl, final JsonObject object) { if (smsFallbackUrl != null) { object.addProperty("sms_fallback_url", smsFallbackUrl.toString()); } else { object.add("sms_fallback_url", JsonNull.INSTANCE); } } protected void writeSmsFallbackMethod(final String smsFallbackMethod, final HierarchicalStreamWriter writer) { writer.startNode("SmsFallbackMethod"); if (smsFallbackMethod != null) { writer.setValue(smsFallbackMethod); } writer.endNode(); } protected void writeSmsFallbackMethod(final String smsFallbackMethod, final JsonObject object) { if (smsFallbackMethod != null) { object.addProperty("sms_fallback_method", smsFallbackMethod); } else { object.add("sms_fallback_method", JsonNull.INSTANCE); } } protected void writeSmsUrl(final URI smsUrl, final HierarchicalStreamWriter writer) { if (smsUrl != null) { writer.startNode("SmsUrl"); writer.setValue(smsUrl.toString()); writer.endNode(); } } protected void writeSmsUrl(final URI smsUrl, final JsonObject object) { if (smsUrl != null) { object.addProperty("sms_url", smsUrl.toString()); } else { object.add("sms_url", JsonNull.INSTANCE); } } protected void writeSmsMethod(final String smsMethod, final HierarchicalStreamWriter writer) { writer.startNode("SmsMethod"); if (smsMethod != null) { writer.setValue(smsMethod); } writer.endNode(); } protected void writeSmsMethod(final String smsMethod, final JsonObject object) { if (smsMethod != null) { object.addProperty("sms_method", smsMethod); } else { object.add("sms_method", JsonNull.INSTANCE); } } protected void writeStatus(final String status, final HierarchicalStreamWriter writer) { writer.startNode("Status"); writer.setValue(status); writer.endNode(); } protected void writeStatus(final String status, final JsonObject object) { object.addProperty("status", status); } protected void writeStatusCallback(final URI statusCallback, final HierarchicalStreamWriter writer) { if (statusCallback != null) { writer.startNode("StatusCallback"); writer.setValue(statusCallback.toString()); writer.endNode(); } } protected void writeStatusCallback(final URI statusCallback, final JsonObject object) { if (statusCallback != null) { object.addProperty("status_callback", statusCallback.toString()); } else { object.add("status_callback", JsonNull.INSTANCE); } } protected void writeStatusCallbackMethod(final String statusCallbackMethod, final HierarchicalStreamWriter writer) { writer.startNode("StatusCallbackMethod"); if (statusCallbackMethod != null) { writer.setValue(statusCallbackMethod); } writer.endNode(); } protected void writeStatusCallbackMethod(final String statusCallbackMethod, final JsonObject object) { if (statusCallbackMethod != null) { object.addProperty("status_callback_method", statusCallbackMethod); } else { object.add("status_callback_method", JsonNull.INSTANCE); } } protected void writeTo(final String to, final HierarchicalStreamWriter writer) { writer.startNode("To"); writer.setValue(to); writer.endNode(); } protected void writeTo(final String to, final JsonObject object) { object.addProperty("to", to); } protected void writeTimeToLive(final int timeToLive, final HierarchicalStreamWriter writer) { writer.startNode("TimeToLive"); writer.setValue(Integer.toString(timeToLive)); writer.endNode(); } protected void writeTimeToLive(final int timeToLive, final JsonObject object) { object.addProperty("time_to_live", timeToLive); } protected void writeType(final String type, final HierarchicalStreamWriter writer) { writer.startNode("Type"); if (type != null) { writer.setValue(type); } else { writer.setValue(null); } writer.endNode(); } protected void writeType(final String type, final JsonObject object) { object.addProperty("type", type); } protected void writeUri(final URI uri, final HierarchicalStreamWriter writer) { writer.startNode("Uri"); writer.setValue(uri.toString()); writer.endNode(); } protected void writeUri(final URI uri, final JsonObject object) { object.addProperty("uri", uri.toString() + ".json"); } protected void writeUserName(final String userName, final HierarchicalStreamWriter writer) { writer.startNode("UserName"); writer.setValue(userName); writer.endNode(); } protected void writeUserName(final String userName, final JsonObject object) { object.addProperty("user_name", userName); } protected void writeVoiceApplicationSid(final Sid voiceApplicationSid, final HierarchicalStreamWriter writer) { if (voiceApplicationSid != null) { writer.startNode("VoiceApplicationSid"); writer.setValue(voiceApplicationSid.toString()); writer.endNode(); } } protected void writeVoiceApplicationSid(final Sid voiceApplicationSid, final JsonObject object) { if (voiceApplicationSid != null) { object.addProperty("voice_application_sid", voiceApplicationSid.toString()); } else { object.add("voice_application_sid", JsonNull.INSTANCE); } } protected void writeVoiceCallerIdLookup(final boolean voiceCallerIdLookup, final HierarchicalStreamWriter writer) { writer.startNode("VoiceCallerIdLookup"); writer.setValue(Boolean.toString(voiceCallerIdLookup)); writer.endNode(); } protected void writeVoiceCallerIdLookup(final boolean voiceCallerIdLookup, final JsonObject object) { object.addProperty("voice_caller_id_lookup", voiceCallerIdLookup); } protected void writeVoiceFallbackMethod(final String voiceFallbackMethod, final HierarchicalStreamWriter writer) { writer.startNode("VoiceFallbackMethod"); if (voiceFallbackMethod != null) { writer.setValue(voiceFallbackMethod); } writer.endNode(); } protected void writeVoiceFallbackMethod(final String voiceFallbackMethod, final JsonObject object) { if (voiceFallbackMethod != null) { object.addProperty("voice_fallback_method", voiceFallbackMethod); } else { object.add("voice_fallback_method", JsonNull.INSTANCE); } } protected void writeVoiceFallbackUrl(final URI voiceFallbackUri, final HierarchicalStreamWriter writer) { if (voiceFallbackUri != null) { writer.startNode("VoiceFallbackUrl"); writer.setValue(voiceFallbackUri.toString()); writer.endNode(); } } protected void writeVoiceFallbackUrl(final URI voiceFallbackUri, final JsonObject object) { if (voiceFallbackUri != null) { object.addProperty("voice_fallback_url", voiceFallbackUri.toString()); } else { object.add("voice_fallback_url", JsonNull.INSTANCE); } } protected void writeVoiceMethod(final String voiceMethod, final HierarchicalStreamWriter writer) { writer.startNode("VoiceMethod"); if (voiceMethod != null) { writer.setValue(voiceMethod); } writer.endNode(); } protected void writeVoiceMethod(final String voiceMethod, final JsonObject object) { if (voiceMethod != null) { object.addProperty("voice_method", voiceMethod); } else { object.add("voice_method", JsonNull.INSTANCE); } } protected void writeVoiceUrl(final URI voiceUrl, final HierarchicalStreamWriter writer) { if (voiceUrl != null) { writer.startNode("VoiceUrl"); writer.setValue(voiceUrl.toString()); writer.endNode(); } } protected void writeVoiceUrl(final URI voiceUrl, final JsonObject object) { if (voiceUrl != null) { object.addProperty("voice_url", voiceUrl.toString()); } else { object.add("voice_url", JsonNull.INSTANCE); } } protected void writeCapabilities(final Boolean voiceCapable, final Boolean smsCapable, final Boolean mmsCapable, final Boolean faxCapable, final HierarchicalStreamWriter writer) { writer.startNode("Capabilities"); writeVoiceCapability(voiceCapable, writer); writeSmsCapability(smsCapable, writer); writeMmsCapability(mmsCapable, writer); writeFaxCapability(faxCapable, writer); writer.endNode(); } protected void writeCapabilities(final Boolean voiceCapable, final Boolean smsCapable, final Boolean mmsCapable, final Boolean faxCapable, final JsonObject object) { JsonObject capabilities = new JsonObject(); writeVoiceCapability(voiceCapable, capabilities); writeSmsCapability(smsCapable, capabilities); writeMmsCapability(mmsCapable, capabilities); writeFaxCapability(faxCapable, capabilities); object.add("capabilities", capabilities); } protected void writeVoiceCapability(final Boolean voiceCapable, final HierarchicalStreamWriter writer) { writer.startNode("Voice"); if (voiceCapable == null) { writer.setValue(Boolean.FALSE.toString()); } else { writer.setValue(voiceCapable.toString()); } writer.endNode(); } protected void writeVoiceCapability(final Boolean voiceCapable, final JsonObject object) { if (voiceCapable != null) { object.addProperty("voice_capable", voiceCapable); } else { object.addProperty("voice_capable", Boolean.FALSE); } } protected void writeSmsCapability(final Boolean smsCapable, final HierarchicalStreamWriter writer) { writer.startNode("Sms"); if (smsCapable == null) { writer.setValue(Boolean.FALSE.toString()); } else { writer.setValue(smsCapable.toString()); } writer.endNode(); } protected void writeSmsCapability(final Boolean smsCapable, final JsonObject object) { if (smsCapable != null) { object.addProperty("sms_capable", smsCapable); } else { object.addProperty("sms_capable", Boolean.FALSE); } } protected void writeMmsCapability(final Boolean mmsCapable, final HierarchicalStreamWriter writer) { writer.startNode("Mms"); if (mmsCapable == null) { writer.setValue(Boolean.FALSE.toString()); } else { writer.setValue(mmsCapable.toString()); } writer.endNode(); } protected void writeMmsCapability(final Boolean mmsCapable, final JsonObject object) { if (mmsCapable != null) { object.addProperty("mms_capable", mmsCapable); } else { object.addProperty("mms_capable", Boolean.FALSE); } } protected void writeFaxCapability(final Boolean faxCapable, final HierarchicalStreamWriter writer) { writer.startNode("Fax"); if (faxCapable == null) { writer.setValue(Boolean.FALSE.toString()); } else { writer.setValue(faxCapable.toString()); } writer.endNode(); } protected void writeFaxCapability(final Boolean faxCapable, final JsonObject object) { if (faxCapable != null) { object.addProperty("fax_capable", faxCapable); } else { object.addProperty("fax_capable", Boolean.FALSE); } } }