/* * Copyright 2014 Grow Bit * * 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 org.turbogwt.net.serialization.client.json; import java.util.Collection; import org.turbogwt.net.serialization.client.DeserializationContext; import org.turbogwt.net.serialization.client.UnableToDeserializeException; /** * Base class for all SerDes that manipulates serialized JSON simple values. * * @param <T> Type of the object to serialize/deserialize * * @author Danilo Reinert */ public abstract class JsonValueSerdes<T> extends JsonSerdes<T> { public JsonValueSerdes(Class<T> handledType) { super(handledType); } @Override public <C extends Collection<T>> C deserializeAsCollection(Class<C> collectionType, String response, DeserializationContext context) { final String trimmedResponse = response.trim(); if (!isArray(trimmedResponse)) throw new UnableToDeserializeException("Response content is not an array."); C col = getCollectionInstance(context, collectionType); int initialIndex = 1; final int lastIndex = trimmedResponse.length() - 1; while (initialIndex < lastIndex) { int finalIndex = trimmedResponse.indexOf(",", initialIndex); if (finalIndex == -1) finalIndex = trimmedResponse.indexOf("]", initialIndex); final String trimmedValue = trimmedResponse.substring(initialIndex, finalIndex).trim(); col.add(deserialize(trimmedValue, context)); initialIndex = finalIndex + 1; } return col; } }