com.netsteadfast.greenstep.action.CommonPieChartAction.java Source code

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Here is the source code for com.netsteadfast.greenstep.action.CommonPieChartAction.java

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/* 
 * Copyright 2012-2016 bambooCORE, greenstep of copyright Chen Xin Nien
 * 
 * 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.
 * 
 * -----------------------------------------------------------------------
 * 
 * author:    Chen Xin Nien
 * contact: chen.xin.nien@gmail.com
 * 
 */
package com.netsteadfast.greenstep.action;

import java.awt.Color;
import java.awt.Font;
import java.util.List;
import java.util.Map;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.PiePlot;
import org.jfree.chart.title.LegendTitle;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.general.DefaultPieDataset;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;

import com.netsteadfast.greenstep.base.action.BaseSupportAction;
import com.netsteadfast.greenstep.base.exception.ControllerException;
import com.netsteadfast.greenstep.base.exception.ServiceException;
import com.netsteadfast.greenstep.base.model.ControllerAuthority;
import com.netsteadfast.greenstep.util.JFreeChartDataMapperUtils;

@ControllerAuthority(check = false)
@Controller("core.web.controller.CommonPieChartAction")
@Scope
public class CommonPieChartAction extends BaseSupportAction {
    private static final long serialVersionUID = 8032407128517025737L;
    private JFreeChart chart = null;
    private String oid = "";
    private String width = "";
    private String height = "";

    public CommonPieChartAction() {
        super();
    }

    @SuppressWarnings("unchecked")
    private void createChart() throws Exception {
        Map<String, Object> dataMap = JFreeChartDataMapperUtils.getChartData2Map(oid);
        if (dataMap == null) {
            return;
        }
        List<String> names = (List<String>) dataMap.get("names");
        List<Float> values = (List<Float>) dataMap.get("values");
        List<String> colors = (List<String>) dataMap.get("colors");
        this.width = String.valueOf((Integer) dataMap.get("width"));
        this.height = String.valueOf((Integer) dataMap.get("height"));
        this.fillChart((String) dataMap.get("title"), names, colors, values);
    }

    private void fillChart(String title, List<String> names, List<String> colors, List<Float> values)
            throws Exception {
        DefaultPieDataset data = new DefaultPieDataset();
        for (int ix = 0; ix < names.size(); ix++) {
            data.setValue(names.get(ix), values.get(ix));
        }
        this.chart = ChartFactory.createPieChart3D(title, data, true, true, false);
        LegendTitle legend = this.chart.getLegend();
        legend.setItemFont(new Font("", Font.TRUETYPE_FONT, 9));
        PiePlot plot = (PiePlot) this.chart.getPlot();
        plot.setCircular(true);
        plot.setBackgroundAlpha(0.9f);
        plot.setForegroundAlpha(0.5f);
        plot.setLabelFont(new Font("", Font.TRUETYPE_FONT, 9));
        this.setPlotColor(plot, names, colors);
        this.chart.setTitle(new TextTitle(title, new Font("", Font.TRUETYPE_FONT, 9)));
    }

    private void setPlotColor(PiePlot plot, List<String> names, List<String> colors) throws Exception {
        for (int ix = 0; ix < names.size(); ix++) {
            plot.setSectionPaint(names.get(ix), Color.decode(colors.get(ix)));
        }
    }

    /**
     * core.commonPieChartAction.action
     * bsc.commonPieChartAction.action
     * charts.commonPieChartAction.action
     * 
     */
    public String execute() throws Exception {
        String forward = RESULT_SEARCH_NO_DATA;
        try {
            this.createChart();
            forward = SUCCESS;
        } catch (ControllerException e) {
            this.setPageMessage(e.getMessage().toString());
        } catch (ServiceException e) {
            this.setPageMessage(e.getMessage().toString());
        } catch (Exception e) {
            e.printStackTrace();
            this.setPageMessage(e.getMessage().toString());
        }
        return forward;
    }

    public JFreeChart getChart() {
        return chart;
    }

    public String getOid() {
        return oid;
    }

    public void setOid(String oid) {
        this.oid = oid;
    }

    public String getWidth() {
        return width;
    }

    public void setWidth(String width) {
        this.width = width;
    }

    public String getHeight() {
        return height;
    }

    public void setHeight(String height) {
        this.height = height;
    }

}