Groovyでグラフを作成する 4)日付表示を“日-月”から“月/日”に変更する失敗編

前回で日本語の表示には成功した。
しかし、まだ、日付表示が“1-9”の欧米風の表示になっている。
これを9-1か9/1に変更したい。

日付のデータ形式をorg.jfree.data.time.Day(java.util.Date time) に変更してみる

ソース

import com.thecoderscorner.groovychart.chart.ChartBuilder
import groovy.swing.SwingBuilder
import java.awt.BorderLayout
import java.awt.Dimension
import org.jfree.chart.ChartFactory
import org.jfree.chart.ChartPanel
import org.jfree.data.time.Day
import org.jfree.chart.StandardChartTheme


ChartBuilder builder = new ChartBuilder();

def chart = builder.timeserieschart(title:'2010年9月の平均気温',
    timeAxisLabel:'日付',
    valueAxisLabel:'気温(℃)',
    legend:true,
    tooltips:false,
    urls:false
) {
    timeSeriesCollection {
        timeSeries(name:'気温', timePeriodClass:'org.jfree.data.time.Day') {
            add(period:new Day(new Date("2010/9/1")), value:27.4)
            add(period:new Day(new Date("2010/9/2")), value:27.5)
            add(period:new Day(new Date("2010/9/3")), value:29.1)
            add(period:new Day(new Date("2010/9/4")), value:28.7)
            add(period:new Day(new Date("2010/9/5")), value:27.9)
            add(period:new Day(new Date("2010/9/6")), value:29.3)
            add(period:new Day(new Date("2010/9/7")), value:29.2)
            add(period:new Day(new Date("2010/9/8")), value:25.3)
            add(period:new Day(new Date("2010/9/9")), value:24.4)
            add(period:new Day(new Date("2010/9/10")), value:24.1)
            add(period:new Day(new Date("2010/9/11")), value:27.7)
            add(period:new Day(new Date("2010/9/12")), value:27.9)
            add(period:new Day(new Date("2010/9/13")), value:29.5)
            add(period:new Day(new Date("2010/9/14")), value:25.1)
            add(period:new Day(new Date("2010/9/15")), value:22.3)
            add(period:new Day(new Date("2010/9/16")), value:20.9)
            add(period:new Day(new Date("2010/9/17")), value:22.7)
            add(period:new Day(new Date("2010/9/18")), value:24.2)
            add(period:new Day(new Date("2010/9/19")), value:24.5)
            add(period:new Day(new Date("2010/9/20")), value:24.8)
            add(period:new Day(new Date("2010/9/21")), value:25.5)
            add(period:new Day(new Date("2010/9/22")), value:28.3)
            add(period:new Day(new Date("2010/9/23")), value:21.2)
            add(period:new Day(new Date("2010/9/24")), value:18.5)
            add(period:new Day(new Date("2010/9/25")), value:19.9)
            add(period:new Day(new Date("2010/9/26")), value:18.9)
            add(period:new Day(new Date("2010/9/27")), value:18.0)
            add(period:new Day(new Date("2010/9/28")), value:19.7)
            add(period:new Day(new Date("2010/9/29")), value:21.7)
            add(period:new Day(new Date("2010/9/30")), value:19.4)
        }
    }
}

ChartFactory.setChartTheme(StandardChartTheme.createLegacyTheme())
def chartPanel = new ChartPanel(chart.chart, false);
chartPanel.setPreferredSize(new Dimension(0, 40));
chartPanel.setMouseZoomable(true, false);

builder.chartAsPNG(new FileOutputStream('.\\chart\\ChartSampleTemperature2.png'), 800, 400);

SwingBuilder swing = new SwingBuilder();
def frame = swing.frame(
            title:'This is a Frame',
            location:[100,100],
            size:[800,400],
            defaultCloseOperation:javax.swing.WindowConstants.EXIT_ON_CLOSE);

frame.getContentPane().setLayout(new BorderLayout());
frame.getContentPane().add( chartPanel, java.awt.BorderLayout.CENTER);
frame.setVisible(true)
println new Day(new Date("2010/9/1"))

結果

[D:\workspace\groovy_SandBox]groovy ChartSampleTemperature2.groovy
1-9月-2010

期待の形式にならないな。

日付のデータ形式をorg.jfree.data.time.Day(java.util.Date time, java.util.TimeZone zone, java.util.Locale locale) に変更してみる

ソース

import com.thecoderscorner.groovychart.chart.ChartBuilder
import groovy.swing.SwingBuilder
import java.awt.BorderLayout
import java.awt.Dimension
import org.jfree.chart.ChartFactory
import org.jfree.chart.ChartPanel
import org.jfree.data.time.Day
import org.jfree.chart.StandardChartTheme


ChartBuilder builder = new ChartBuilder();
def chart = builder.timeserieschart(title:'2010年9月の平均気温',
    timeAxisLabel:'日付',
    valueAxisLabel:'気温(℃)',
    legend:true,
    tooltips:false,
    urls:false
) {
    timeSeriesCollection {
        timeSeries(name:'気温', timePeriodClass:'org.jfree.data.time.Day') {
            add(period:new Day(new Date("2010/9/1"),TimeZone.getDefault(),Locale.JAPANESE), value:27.4)
            add(period:new Day(new Date("2010/9/2"),TimeZone.getDefault(),Locale.JAPANESE), value:27.5)
            add(period:new Day(new Date("2010/9/3"),TimeZone.getDefault(),Locale.JAPANESE), value:29.1)
            add(period:new Day(new Date("2010/9/4"),TimeZone.getDefault(),Locale.JAPANESE), value:28.7)
            add(period:new Day(new Date("2010/9/5"),TimeZone.getDefault(),Locale.JAPANESE), value:27.9)
            add(period:new Day(new Date("2010/9/6"),TimeZone.getDefault(),Locale.JAPANESE), value:29.3)
            add(period:new Day(new Date("2010/9/7"),TimeZone.getDefault(),Locale.JAPANESE), value:29.2)
            add(period:new Day(new Date("2010/9/8"),TimeZone.getDefault(),Locale.JAPANESE), value:25.3)
            add(period:new Day(new Date("2010/9/9"),TimeZone.getDefault(),Locale.JAPANESE), value:24.4)
            add(period:new Day(new Date("2010/9/10"),TimeZone.getDefault(),Locale.JAPANESE), value:24.1)
            add(period:new Day(new Date("2010/9/11"),TimeZone.getDefault(),Locale.JAPANESE), value:27.7)
            add(period:new Day(new Date("2010/9/12"),TimeZone.getDefault(),Locale.JAPANESE), value:27.9)
            add(period:new Day(new Date("2010/9/13"),TimeZone.getDefault(),Locale.JAPANESE), value:29.5)
            add(period:new Day(new Date("2010/9/14"),TimeZone.getDefault(),Locale.JAPANESE), value:25.1)
            add(period:new Day(new Date("2010/9/15"),TimeZone.getDefault(),Locale.JAPANESE), value:22.3)
            add(period:new Day(new Date("2010/9/16"),TimeZone.getDefault(),Locale.JAPANESE), value:20.9)
            add(period:new Day(new Date("2010/9/17"),TimeZone.getDefault(),Locale.JAPANESE), value:22.7)
            add(period:new Day(new Date("2010/9/18"),TimeZone.getDefault(),Locale.JAPANESE), value:24.2)
            add(period:new Day(new Date("2010/9/19"),TimeZone.getDefault(),Locale.JAPANESE), value:24.5)
            add(period:new Day(new Date("2010/9/20"),TimeZone.getDefault(),Locale.JAPANESE), value:24.8)
            add(period:new Day(new Date("2010/9/21"),TimeZone.getDefault(),Locale.JAPANESE), value:25.5)
            add(period:new Day(new Date("2010/9/22"),TimeZone.getDefault(),Locale.JAPANESE), value:28.3)
            add(period:new Day(new Date("2010/9/23"),TimeZone.getDefault(),Locale.JAPANESE), value:21.2)
            add(period:new Day(new Date("2010/9/24"),TimeZone.getDefault(),Locale.JAPANESE), value:18.5)
            add(period:new Day(new Date("2010/9/25"),TimeZone.getDefault(),Locale.JAPANESE), value:19.9)
            add(period:new Day(new Date("2010/9/26"),TimeZone.getDefault(),Locale.JAPANESE), value:18.9)
            add(period:new Day(new Date("2010/9/27"),TimeZone.getDefault(),Locale.JAPANESE), value:18.0)
            add(period:new Day(new Date("2010/9/28"),TimeZone.getDefault(),Locale.JAPANESE), value:19.7)
            add(period:new Day(new Date("2010/9/29"),TimeZone.getDefault(),Locale.JAPANESE), value:21.7)
            add(period:new Day(new Date("2010/9/30"),TimeZone.getDefault(),Locale.JAPANESE), value:19.4)
        }
    }
}

ChartFactory.setChartTheme(StandardChartTheme.createLegacyTheme())
def chartPanel = new ChartPanel(chart.chart, false);
chartPanel.setPreferredSize(new Dimension(0, 40));
chartPanel.setMouseZoomable(true, false);

builder.chartAsPNG(new FileOutputStream('.\\chart\\ChartSampleTemperature3.png'), 800, 400);

SwingBuilder swing = new SwingBuilder();
def frame = swing.frame(
            title:'This is a Frame',
            location:[100,100],
            size:[800,400],
            defaultCloseOperation:javax.swing.WindowConstants.EXIT_ON_CLOSE);

frame.getContentPane().setLayout(new BorderLayout());
frame.getContentPane().add( chartPanel, java.awt.BorderLayout.CENTER);
frame.setVisible(true)
println new Day(new Date("2010/9/1"),TimeZone.getDefault(),Locale.JAPANESE)

結果

[D:\workspace\groovy_SandBox]groovy ChartSampleTemperature3.groovy
1-9月-2010

こっちもだめだな。

日付をフォーマットする

日時をフォーマットする(GroovyのDateクラス版)のようにformat()で形式を指定してみる。

            add(period:new Day(new Date("2010/9/1").format("MM/dd")), value:27.4)

ソース

import com.thecoderscorner.groovychart.chart.ChartBuilder
import groovy.swing.SwingBuilder
import java.awt.BorderLayout
import java.awt.Dimension
import org.jfree.chart.ChartFactory
import org.jfree.chart.ChartPanel
import org.jfree.data.time.Day
import org.jfree.chart.StandardChartTheme


ChartBuilder builder = new ChartBuilder();

def chart = builder.timeserieschart(title:'2010年9月の平均気温',
    timeAxisLabel:'日付',
    valueAxisLabel:'気温(℃)',
    legend:true,
    tooltips:false,
    urls:false
) {
    timeSeriesCollection {
        timeSeries(name:'気温', timePeriodClass:'org.jfree.data.time.Day') {
            add(period:new Day(new Date("2010/9/1").format("MM/dd")), value:27.4)
            add(period:new Day(new Date("2010/9/2").format("MM/dd")), value:27.5)
            add(period:new Day(new Date("2010/9/3").format("MM/dd")), value:29.1)
            add(period:new Day(new Date("2010/9/4").format("MM/dd")), value:28.7)
            add(period:new Day(new Date("2010/9/5").format("MM/dd")), value:27.9)
            add(period:new Day(new Date("2010/9/6").format("MM/dd")), value:29.3)
            add(period:new Day(new Date("2010/9/7").format("MM/dd")), value:29.2)
            add(period:new Day(new Date("2010/9/8").format("MM/dd")), value:25.3)
            add(period:new Day(new Date("2010/9/9").format("MM/dd")), value:24.4)
            add(period:new Day(new Date("2010/9/10").format("MM/dd")), value:24.1)
            add(period:new Day(new Date("2010/9/11").format("MM/dd")), value:27.7)
            add(period:new Day(new Date("2010/9/12").format("MM/dd")), value:27.9)
            add(period:new Day(new Date("2010/9/13").format("MM/dd")), value:29.5)
            add(period:new Day(new Date("2010/9/14").format("MM/dd")), value:25.1)
            add(period:new Day(new Date("2010/9/15").format("MM/dd")), value:22.3)
            add(period:new Day(new Date("2010/9/16").format("MM/dd")), value:20.9)
            add(period:new Day(new Date("2010/9/17").format("MM/dd")), value:22.7)
            add(period:new Day(new Date("2010/9/18").format("MM/dd")), value:24.2)
            add(period:new Day(new Date("2010/9/19").format("MM/dd")), value:24.5)
            add(period:new Day(new Date("2010/9/20").format("MM/dd")), value:24.8)
            add(period:new Day(new Date("2010/9/21").format("MM/dd")), value:25.5)
            add(period:new Day(new Date("2010/9/22").format("MM/dd")), value:28.3)
            add(period:new Day(new Date("2010/9/23").format("MM/dd")), value:21.2)
            add(period:new Day(new Date("2010/9/24").format("MM/dd")), value:18.5)
            add(period:new Day(new Date("2010/9/25").format("MM/dd")), value:19.9)
            add(period:new Day(new Date("2010/9/26").format("MM/dd")), value:18.9)
            add(period:new Day(new Date("2010/9/27").format("MM/dd")), value:18.0)
            add(period:new Day(new Date("2010/9/28").format("MM/dd")), value:19.7)
            add(period:new Day(new Date("2010/9/29").format("MM/dd")), value:21.7)
            add(period:new Day(new Date("2010/9/30").format("MM/dd")), value:19.4)
        }
    }
}

ChartFactory.setChartTheme(StandardChartTheme.createLegacyTheme())
def chartPanel = new ChartPanel(chart.chart, false);
chartPanel.setPreferredSize(new Dimension(0, 40));
chartPanel.setMouseZoomable(true, false);

builder.chartAsPNG(new FileOutputStream('.\\chart\\ChartSampleTemperature4.png'), 800, 400);

SwingBuilder swing = new SwingBuilder();
def frame = swing.frame(
            title:'This is a Frame',
            location:[100,100],
            size:[800,400],
            defaultCloseOperation:javax.swing.WindowConstants.EXIT_ON_CLOSE);

frame.getContentPane().setLayout(new BorderLayout());
frame.getContentPane().add( chartPanel, java.awt.BorderLayout.CENTER);
frame.setVisible(true)
println new Day(new Date("2010/9/1"))

結果

[D:\workspace\groovy_SandBox]groovy ChartSampleTemperature4.groovy
Caught: groovy.lang.GroovyRuntimeException: Could not find matching constructor for: org.jfree.data.time.Day(java.lang.String)
        at ChartSampleTemperature4$_run_closure1_closure2_closure3.doCall(ChartSampleTemperature4.groovy:23)
        at ChartSampleTemperature4$_run_closure1_closure2_closure3.doCall(ChartSampleTemperature4.groovy)
        at ChartSampleTemperature4$_run_closure1_closure2.doCall(ChartSampleTemperature4.groovy:22)
        at ChartSampleTemperature4$_run_closure1_closure2.doCall(ChartSampleTemperature4.groovy)
        at ChartSampleTemperature4$_run_closure1.doCall(ChartSampleTemperature4.groovy:21)
        at ChartSampleTemperature4$_run_closure1.doCall(ChartSampleTemperature4.groovy)
        at ChartSampleTemperature4.run(ChartSampleTemperature4.groovy:14)

形式指定するとStringになっちまう。。。
だめだこりゃ。

別のアプローチ方法が必要ってことだな。

実行環境

OS:Windows XP
Groovy Version: 1.6.5
JVM: 1.6.0_12