Java tutorial
/* * The MIT License * * Copyright 2016 Thibault Debatty. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package aptgraph.server; import com.fasterxml.jackson.core.JsonGenerator; import com.fasterxml.jackson.databind.SerializerProvider; import com.fasterxml.jackson.databind.ser.std.StdSerializer; import info.debatty.java.graphs.Graph; import java.io.IOException; /** * * @author Thibault Debatty */ public class GraphSerializer extends StdSerializer<Graph> { /** * Default. */ public GraphSerializer() { this(null); } /** * Default. * @param type */ public GraphSerializer(final Class<Graph> type) { super(type); } /** * Serialize a Graph. * @param graph * @param jgen * @param provider * @throws IOException */ @Override public final void serialize(final Graph graph, final JsonGenerator jgen, final SerializerProvider provider) throws IOException { jgen.writeStartObject(); jgen.writeObjectField("nodes", graph.getNodes()); jgen.writeObjectField("neighbors", graph.getHashMap()); jgen.writeEndObject(); } }