Java tutorial
/* * Copyright 2015, 2015 IBM * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * */ package com.ibm.util.merge.json; import com.google.gson.JsonElement; import com.google.gson.JsonSerializationContext; import com.google.gson.JsonSerializer; import com.ibm.util.merge.directive.provider.*; import java.lang.reflect.Type; public class ProviderSerializer implements JsonSerializer<AbstractProvider> { @Override public JsonElement serialize(AbstractProvider src, Type provider, JsonSerializationContext context) { switch (src.getType()) { case Providers.TYPE_CSV: return context.serialize((ProviderCsv) src); case Providers.TYPE_HTML: return context.serialize((ProviderHtml) src); case Providers.TYPE_SQL: return context.serialize((ProviderSql) src); case Providers.TYPE_TAG: return context.serialize((ProviderTag) src); default: return null; } } }