Java tutorial
/** * DataCleaner (community edition) * Copyright (C) 2014 Neopost - Customer Information Management * * This copyrighted material is made available to anyone wishing to use, modify, * copy, or redistribute it subject to the terms and conditions of the GNU * Lesser General Public License, as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License * for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this distribution; if not, write to: * Free Software Foundation, Inc. * 51 Franklin Street, Fifth Floor * Boston, MA 02110-1301 USA */ package org.datacleaner.widgets.result; import java.awt.BorderLayout; import java.util.ArrayList; import java.util.List; import java.util.Map; import java.util.Map.Entry; import javax.swing.JComponent; import javax.swing.JSplitPane; import javax.swing.table.DefaultTableModel; import org.datacleaner.api.RendererBean; import org.datacleaner.beans.uniqueness.UniqueKeyCheckAnalyzerResult; import org.datacleaner.result.renderer.AbstractRenderer; import org.datacleaner.result.renderer.SwingRenderingFormat; import org.datacleaner.util.LabelUtils; import org.datacleaner.panels.DCPanel; import org.datacleaner.util.ChartUtils; import org.datacleaner.util.WidgetUtils; import org.datacleaner.widgets.DCLabel; import org.datacleaner.widgets.table.DCTable; import org.jdesktop.swingx.VerticalLayout; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.title.ShortTextTitle; import org.jfree.chart.title.Title; import org.jfree.data.DefaultKeyedValues; import org.jfree.data.general.DefaultPieDataset; @RendererBean(SwingRenderingFormat.class) public class UniqueKeyCheckAnalyzerResultSwingRenderer extends AbstractRenderer<UniqueKeyCheckAnalyzerResult, JComponent> { @Override public JComponent render(UniqueKeyCheckAnalyzerResult result) { final int nullCount = result.getNullCount(); final int nonUniqueCount = result.getNonUniqueCount(); final DefaultKeyedValues keyedValues = new DefaultKeyedValues(); keyedValues.addValue("Unique keys", result.getUniqueCount()); final List<Title> subTitles = new ArrayList<Title>(); subTitles.add(new ShortTextTitle("Row count: " + result.getRowCount())); subTitles.add(new ShortTextTitle("Unique key count: " + result.getUniqueCount())); if (nonUniqueCount > 0) { keyedValues.addValue("Non-unique keys", nonUniqueCount); subTitles.add(new ShortTextTitle("Non-unique key count: " + nonUniqueCount)); } final String title; if (nullCount == 0) { title = "Unique and non-unique keys"; } else { keyedValues.addValue(LabelUtils.NULL_LABEL, nullCount); title = "Unique, non-unique and <null> keys"; subTitles.add(new ShortTextTitle("<null> key count: " + result.getNullCount())); } final DefaultPieDataset dataset = new DefaultPieDataset(keyedValues); final JFreeChart chart = ChartFactory.createRingChart(title, dataset, true, true, false); chart.setSubtitles(subTitles); ChartUtils.applyStyles(chart); ChartPanel chartPanel = ChartUtils.createPanel(chart, false); final DCPanel leftPanel = new DCPanel(); leftPanel.setLayout(new VerticalLayout()); leftPanel.add(WidgetUtils.decorateWithShadow(chartPanel)); final Map<String, Integer> samples = result.getNonUniqueSamples(); if (samples == null || samples.isEmpty()) { return leftPanel; } final DefaultTableModel samplesTableModel = new DefaultTableModel(new String[] { "Key", "Count" }, 0); for (final Entry<String, Integer> entry : samples.entrySet()) { final String key = entry.getKey(); final Integer count = entry.getValue(); samplesTableModel.addRow(new Object[] { key, count }); } final DCTable samplesTable = new DCTable(samplesTableModel); final DCPanel rightPanel = new DCPanel(); rightPanel.setLayout(new BorderLayout()); rightPanel.add(DCLabel.dark("Sample non-unique keys:")); rightPanel.add(samplesTable.toPanel(), BorderLayout.CENTER); final JSplitPane split = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT); split.setOpaque(false); split.add(leftPanel); split.add(rightPanel); split.setDividerLocation(550); return split; } }