001/*
002 * Copyright 2010-2013 Ning, Inc.
003 *
004 * Ning licenses this file to you under the Apache License, version 2.0
005 * (the "License"); you may not use this file except in compliance with the
006 * License.  You may obtain a copy of the License at:
007 *
008 *    http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
012 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
013 * License for the specific language governing permissions and limitations
014 * under the License.
015 */
016
017package com.ning.billing.recurly.model.push;
018
019import java.io.IOException;
020import java.util.regex.Matcher;
021import java.util.regex.Pattern;
022
023import org.slf4j.Logger;
024import org.slf4j.LoggerFactory;
025
026import com.ning.billing.recurly.model.RecurlyObject;
027
028import com.google.common.base.CaseFormat;
029
030public abstract class Notification extends RecurlyObject {
031
032    private static Logger log = LoggerFactory.getLogger(Notification.class);
033    private static Pattern ROOT_NAME = Pattern.compile("<(.*_notification)>");
034
035    public static enum Type {
036        BillingInfoUpdatedNotification(com.ning.billing.recurly.model.push.account.BillingInfoUpdatedNotification.class),
037        CanceledAccountNotification(com.ning.billing.recurly.model.push.account.CanceledAccountNotification.class),
038        NewAccountNotification(com.ning.billing.recurly.model.push.account.NewAccountNotification.class),
039        FailedPaymentNotification(com.ning.billing.recurly.model.push.payment.FailedPaymentNotification.class),
040        SuccessfulPaymentNotification(com.ning.billing.recurly.model.push.payment.SuccessfulPaymentNotification.class),
041        SuccessfulRefundNotification(com.ning.billing.recurly.model.push.payment.SuccessfulRefundNotification.class),
042        VoidedPaymentNotification(com.ning.billing.recurly.model.push.payment.VoidedPaymentNotification.class),
043        CanceledSubscriptionNotification(com.ning.billing.recurly.model.push.subscription.CanceledSubscriptionNotification.class),
044        ExpiredSubscriptionNotification(com.ning.billing.recurly.model.push.subscription.ExpiredSubscriptionNotification.class),
045        NewSubscriptionNotification(com.ning.billing.recurly.model.push.subscription.NewSubscriptionNotification.class),
046        ReactivatedAccountNotification(com.ning.billing.recurly.model.push.subscription.ReactivatedAccountNotification.class),
047        RenewedSubscriptionNotification(com.ning.billing.recurly.model.push.subscription.RenewedSubscriptionNotification.class),
048        UpdatedSubscriptionNotification(com.ning.billing.recurly.model.push.subscription.UpdatedSubscriptionNotification.class),;
049
050        private Class<? extends Notification> javaType;
051
052        private Type(final Class<? extends Notification> javaType) {
053            this.javaType = javaType;
054        }
055
056        public Class<? extends Notification> getJavaType() {
057            return javaType;
058        }
059
060        public void setJavaType(final Class<? extends Notification> javaType) {
061            this.javaType = javaType;
062        }
063    }
064
065    public static <T> T read(final String payload, final Class<T> clazz) {
066        try {
067            // TODO Should we cache the mapper?
068            return RecurlyObject.newXmlMapper().readValue(payload, clazz);
069        } catch (IOException e) {
070            log.warn("Enable to read notification, de-serialization failed : {}", e.getMessage());
071            return null;
072        }
073    }
074
075    /**
076     * Detect notification type based on the xml root name.
077     *
078     * @param payload
079     * @return notification type or null if root name is not found or if there
080     *         is no type corresponding to the root name
081     */
082    public static Type detect(final String payload) {
083        final Matcher m = ROOT_NAME.matcher(payload);
084        if (m.find() && m.groupCount() >= 1) {
085            final String root = m.group(1);
086            try {
087                return Type.valueOf(CaseFormat.LOWER_UNDERSCORE.to(CaseFormat.UPPER_CAMEL, root));
088            } catch (IllegalArgumentException e) {
089                log.warn("Enable to detect notification type, no type for {}", root);
090                return null;
091            }
092        }
093        log.warn("Enable to detect notification type");
094        return null;
095    }
096}