Java tutorial
/** * Copyright 2012-2013 Wicked Charts (http://wicked-charts.googlecode.com) * * 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.googlecode.wickedcharts.highcharts.jackson; import java.io.IOException; import com.fasterxml.jackson.core.JsonGenerationException; import com.fasterxml.jackson.core.JsonGenerator; import com.fasterxml.jackson.databind.SerializerProvider; import com.googlecode.wickedcharts.highcharts.options.color.HexColor; public class HexColorReferenceSerializer extends ColorReferenceSerializer<HexColor> { @Override protected void serializeIfNotNull(final HexColor color, final JsonGenerator jgen, final SerializerProvider provider) throws JsonGenerationException, IOException { if (color.getBrightness() == null) { jgen.writeString(color.getHexColor()); } else { String colorString = brighten("\"" + color.getHexColor() + "\"", color.getBrightness()); jgen.writeRawValue(colorString); } } }