Java tutorial
/* * File created on Apr 27, 2016 * * Copyright (c) 2016 Carl Harris, Jr * and others as noted * * 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.soulwing.prospecto.jackson; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.IOException; import org.soulwing.prospecto.ViewWriterFactoryProducer; import org.soulwing.prospecto.api.View; import org.soulwing.prospecto.api.ViewWriterFactory; import com.fasterxml.jackson.core.JsonGenerator; import com.fasterxml.jackson.databind.ObjectMapper; import com.fasterxml.jackson.databind.SerializerProvider; import com.fasterxml.jackson.databind.ser.std.StdSerializer; /** * A Jackson {@link com.fasterxml.jackson.databind.JsonSerializer} for a * Prospecto {@link View}. * * @author Carl Harris */ public class ViewSerializer extends StdSerializer<View> { private final ViewWriterFactory writerFactory = ViewWriterFactoryProducer.getFactory("JSON"); public ViewSerializer() { super(View.class); } @Override public void serialize(View view, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException { final ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); writerFactory.newWriter(view, outputStream).writeView(); final ObjectMapper mapper = new ObjectMapper(); final ByteArrayInputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray()); jsonGenerator.writeTree(mapper.readTree(inputStream)); } }