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Spoon is a tool for meta-programming, analysis and transformation of Java programs.
There is a newer version: 11.1.1-beta-14
/*
 * SPDX-License-Identifier: (MIT OR CECILL-C)
 *
 * Copyright (C) 2006-2023 INRIA and contributors
 *
 * Spoon is available either under the terms of the MIT License (see LICENSE-MIT.txt) or the Cecill-C License (see LICENSE-CECILL-C.txt). You as the user are entitled to choose the terms under which to adopt Spoon.
 */
package spoon.support.gui;


import java.awt.BorderLayout;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.List;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.AbstractTableModel;
import spoon.Launcher;


public class SpoonObjectFieldsTable extends JFrame {
	public static class SpoonObjectTableModel extends AbstractTableModel {

		private static final long serialVersionUID = 1L;

		transient List field;

		transient Object o;

		public SpoonObjectTableModel(Object o) {

			this.o = o;
			field = new ArrayList<>();

			scanFields(o.getClass());
		}

		@Override
		public int getColumnCount() {
			return columnsName.length;
		}

		@Override
		public String getColumnName(int column) {
			return columnsName[column];
		}

		@Override
		public int getRowCount() {
			return field.size();
		}

		@Override
		public Object getValueAt(int rowIndex, int columnIndex) {
			Field m = field.get(rowIndex);
			switch (columnIndex) {
			case (0):
				return m.getName();
			case (1):
				return m.getType().getCanonicalName();
			case (2):
				try {
					Object val = m.get(o);
					if (val != null) {
						return val.getClass().getCanonicalName();
					}
				} catch (IllegalArgumentException | IllegalAccessException e) {
					Launcher.LOGGER.error(e.getMessage(), e);
				}
				break;
			case (3):
				try {
					return m.get(o);
				} catch (IllegalArgumentException | IllegalAccessException e) {
					Launcher.LOGGER.error(e.getMessage(), e);
				}
			}
			return null;
		}

		public void scanFields(Class c) {
			for (Field f : c.getDeclaredFields()) {
				f.setAccessible(true);
				if (!Modifier.isStatic(f.getModifiers())) {
					field.add(f);
				}
			}
			if (c.getSuperclass() != null) {
				scanFields(c.getSuperclass());
			}
		}
	}

	public static final String[] columnsName = {
			"Name", "FieldType", "currentType", "Value"
	};

	private static final long serialVersionUID = 1L;

	private JPanel jContentPane = null;

	private JScrollPane jScrollPane = null;

	private JTable jTable = null;

	private transient  Object o;

	/**
	 * This is the default constructor
	 */
	public SpoonObjectFieldsTable(Object o) {
		this.o = o;
		initialize();
	}

	/**
	 * This method initializes jContentPane
	 *
	 * @return javax.swing.JPanel
	 */
	private JPanel getJContentPane() {
		if (jContentPane == null) {
			jContentPane = new JPanel();
			jContentPane.setLayout(new BorderLayout());
			jContentPane.add(getJScrollPane(), java.awt.BorderLayout.CENTER);
		}
		return jContentPane;
	}

	/**
	 * This method initializes jScrollPane
	 *
	 * @return javax.swing.JScrollPane
	 */
	private JScrollPane getJScrollPane() {
		if (jScrollPane == null) {
			jScrollPane = new JScrollPane();
			jScrollPane.setViewportView(getJTable());
		}
		return jScrollPane;
	}

	/**
	 * This method initializes jTable
	 *
	 * @return javax.swing.JTable
	 */
	private JTable getJTable() {
		if (jTable == null) {
			jTable = new JTable(new SpoonObjectTableModel(o));
		}
		return jTable;
	}

	/**
	 * This method initializes this
	 *
	 * @return void
	 */
	private void initialize() {
		this.setSize(320, 240);
		this.setLocation((getGraphicsConfiguration().getDevice().getDisplayMode().getWidth() - getWidth()) / 2,
				(getGraphicsConfiguration().getDevice().getDisplayMode().getHeight() - getHeight()) / 2);
		this.setContentPane(getJContentPane());
		this.setTitle(o.getClass().getSimpleName());
		this.setVisible(true);
		this.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
	}

}