Java tutorial
// // Copyright 2011 Taha Hafeez Siddiqi // // 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.tawus.jfreechart.pages; import org.apache.tapestry5.ComponentResources; import org.apache.tapestry5.annotations.Property; import org.apache.tapestry5.ioc.annotations.Inject; import org.jfree.chart.ChartFactory; import org.jfree.chart.JFreeChart; import org.jfree.data.general.DefaultPieDataset; import com.googlecode.tawus.jfreechart.JPEGChartModel; public class ChartPage { @Inject private ComponentResources resources; @SuppressWarnings("unused") @Property private int index; public JFreeChart getChart() { DefaultPieDataset pieDataset = new DefaultPieDataset(); pieDataset.setValue("One", new Integer(10)); pieDataset.setValue("Two", new Integer(20)); pieDataset.setValue("Three", new Integer(30)); pieDataset.setValue("Four", new Integer(10)); pieDataset.setValue("Five", new Integer(20)); pieDataset.setValue("Six", new Integer(10)); return ChartFactory.createPieChart("Pie Chart using JFreeChart", pieDataset, true, true, true); } public String getMyLink() { return resources.createEventLink("showImage2").toAbsoluteURI(); } Object onShowImage2() { return new JPEGChartModel(getChart(), 200, 200, 0.9f); } }