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 java.util.Map.Entry; import com.fasterxml.jackson.core.JsonGenerator; import com.fasterxml.jackson.core.JsonProcessingException; import com.fasterxml.jackson.databind.JsonSerializer; import com.fasterxml.jackson.databind.SerializerProvider; import com.googlecode.wickedcharts.highcharts.options.CssStyle; /** * * @author Matthias Balke <matthias.balke@gmail.com> * */ public class CssStyleSerializer extends JsonSerializer<CssStyle> { @Override public void serialize(final CssStyle value, final JsonGenerator jgen, final SerializerProvider provider) throws IOException, JsonProcessingException { StringBuilder cssStyleBuilder = new StringBuilder(); cssStyleBuilder.append("{"); for (Entry<String, String> property : value.getProperties().entrySet()) { cssStyleBuilder.append("\"" + property.getKey() + "\": \"" + property.getValue() + "\","); } int lastCommaPosition = cssStyleBuilder.lastIndexOf(","); if (lastCommaPosition != -1) { cssStyleBuilder.deleteCharAt(lastCommaPosition); } cssStyleBuilder.append(" }"); jgen.writeRawValue(cssStyleBuilder.toString()); } }