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This commit is contained in:
navid.sassan 2020-09-21 19:24:30 +02:00
parent 46c7740703
commit ef7f5d1d23
6 changed files with 519 additions and 519 deletions
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38
src/main/java/ch/zhaw/ads/AnyServer.java
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@ -1,20 +1,20 @@
/**
* AnyServer -- Praktikum Experimentierkasten -- ADS
*
* @author E. Mumprecht
* @version 1.0 -- Geruest fuer irgendeinen Server
*/
/**
* AnyServer -- Praktikum Experimentierkasten -- ADS
*
* @author E. Mumprecht
* @version 1.0 -- Geruest fuer irgendeinen Server
*/
package ch.zhaw.ads;
public class AnyServer implements CommandExecutor {
//----- Dies implementiert das CommandExecutor Interface.
@Override
public String execute(String command) {
StringBuffer result = new StringBuffer(100);
result.append("Die Eingabe war \"");
result.append(command);
result.append("\"\n");
return result.toString();
}
}//AnyServer
public class AnyServer implements CommandExecutor {
//----- Dies implementiert das CommandExecutor Interface.
@Override
public String execute(String command) {
StringBuffer result = new StringBuffer(100);
result.append("Die Eingabe war \"");
result.append(command);
result.append("\"\n");
return result.toString();
}
}//AnyServer

38
src/main/java/ch/zhaw/ads/CommandExecutor.java
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@ -1,21 +1,21 @@
/**
* CommandExecutor -- Praktikum Experimentierkasten -- SW3 Dieses Interface muss
* von jedem Server implementiert werden.
*
* @author E. Mumprecht
* @version 1.0 -- Geruest fuer irgendeinen Server
* @version 1.1 -- K. Rege Fehlerueckgabe hinzugefuegt
*/
/**
* CommandExecutor -- Praktikum Experimentierkasten -- SW3 Dieses Interface muss
* von jedem Server implementiert werden.
*
* @author E. Mumprecht
* @version 1.0 -- Geruest fuer irgendeinen Server
* @version 1.1 -- K. Rege Fehlerueckgabe hinzugefuegt
*/
package ch.zhaw.ads;
public interface CommandExecutor {
/**
* execute -- nimmt eine Kommandozeile, tut irgendetwas gescheites, und
* berichtet das Resultat.
*
* @param command Kommandozeile
* @return Resultat, ueblicherweise eine oder mehrere Zeilen.
*/
String execute(String command) throws Exception;
public interface CommandExecutor {
/**
* execute -- nimmt eine Kommandozeile, tut irgendetwas gescheites, und
* berichtet das Resultat.
*
* @param command Kommandozeile
* @return Resultat, ueblicherweise eine oder mehrere Zeilen.
*/
String execute(String command) throws Exception;
}//interface CommandExecutor

34
src/main/java/ch/zhaw/ads/ExBox.java
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@ -1,18 +1,18 @@
/**
* @author K. Rege
* @version 1.0 -- Experimentierkasten
*/
/**
* @author K. Rege
* @version 1.0 -- Experimentierkasten
*/
package ch.zhaw.ads;
import java.awt.*;
import java.io.*;
import java.awt.event.*;
public class ExBox {
public static void main(String[] args) throws Exception {
ExBoxFrame f = new ExBoxFrame();
f.setLocationRelativeTo(null);
f.setVisible(true);
}
}
import java.awt.*;
import java.io.*;
import java.awt.event.*;
public class ExBox {
public static void main(String[] args) throws Exception {
ExBoxFrame f = new ExBoxFrame();
f.setLocationRelativeTo(null);
f.setVisible(true);
}
}

624
src/main/java/ch/zhaw/ads/ExBoxFrame.java
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@ -1,314 +1,314 @@
/**
* @(#)ExBoxFrame.java
*
* JFC ExBox application
*
* @author K.Rege
* @version 1.00 2014/2/3
* @version 1.01 2016/8/2
* @version 2.00 2017/8/30 Test
* @version 2.01 2018/2/5 AutoScale
* @version 2d.02 2018/2/5 Reconnect (inspired by S. Kunz)
*/
/**
* @(#)ExBoxFrame.java
*
* JFC ExBox application
*
* @author K.Rege
* @version 1.00 2014/2/3
* @version 1.01 2016/8/2
* @version 2.00 2017/8/30 Test
* @version 2.01 2018/2/5 AutoScale
* @version 2d.02 2018/2/5 Reconnect (inspired by S. Kunz)
*/
package ch.zhaw.ads;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;
import java.util.*;
import org.junit.runner.JUnitCore;
import org.junit.runner.Result;
import org.junit.runner.notification.Failure;
import org.junit.runner.notification.RunListener;
import org.junit.runner.Description;
public class ExBoxFrame extends JFrame implements ActionListener, ItemListener {
private static double SCALE = 1;
private JMenuItem connect, open, test, textView, graphicView;
private JButton enter;
private JTextField arguments;
private JCheckBox reconnect;
private JComboBox history;
private JTextArea output;
private JScrollPane scrollPane;
private CommandExecutor command;
private boolean graphicOn;
private GraphicPanel graphic;
private String lastServer;
public static void setFontSize(int size) {
Set<Object> keySet = UIManager.getLookAndFeelDefaults().keySet();
Object[] keys = keySet.toArray(new Object[keySet.size()]);
for (Object key : keys) {
if (key != null && key.toString().toLowerCase().contains("font")) {
Font font = UIManager.getDefaults().getFont(key);
if (font != null) {
font = font.deriveFont((float) size);
UIManager.put(key, font);
}
}
}
}
private void initMenu() {
JMenuBar menuBar = new JMenuBar();
JMenu menuFile = new JMenu();
JMenuItem menuFileExit = new JMenuItem();
menuFile.setText("File");
menuFileExit.setText("Exit");
// Add action listener.for the menu button
menuFileExit.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
ExBoxFrame.this.windowClosed();
}
});
menuFile.add(menuFileExit);
menuBar.add(menuFile);
JMenu menuServer = new JMenu("Server");
menuBar.add(menuServer);
connect = new JMenuItem("Connect");
connect.addActionListener(this);
menuServer.add(connect);
test = new JMenuItem("Test");
test.addActionListener(this);
menuServer.add(test);
JMenu menuView = new JMenu("View");
menuBar.add(menuView);
textView = new JMenuItem("Text");
textView.addActionListener(this);
menuView.add(textView);
graphicView = new JMenuItem("Graphic");
graphicView.addActionListener(this);
menuView.add(graphicView);
open = new JMenuItem("Open...");
open.addActionListener(this);
menuFile.insert(open, 0);
setJMenuBar(menuBar);
}
private void initComponents() {
setLayout(new BorderLayout());
output = new JTextArea();
scrollPane = new JScrollPane(output);
add(BorderLayout.CENTER, scrollPane);
Panel panel = new Panel(new BorderLayout());
arguments = new JTextField();
arguments.addActionListener(this);
panel.add(BorderLayout.CENTER, arguments);
enter = new JButton("enter");
enter.addActionListener(this);
panel.add(BorderLayout.EAST, enter);
reconnect = new JCheckBox("reconnect",true);
panel.add(BorderLayout.WEST,reconnect);
history = new JComboBox();
history.addItemListener(this);
panel.add(BorderLayout.SOUTH, history);
add(BorderLayout.SOUTH, panel);
}
/**
* get default path for file open dialog
*/
String getPathCompiled() {
String pathtocompiled = getClass().getProtectionDomain().getCodeSource().getLocation().getPath();
pathtocompiled = pathtocompiled.replace("%20", " ").replace("/",
File.separator);
pathtocompiled += getClass().getPackage().getName().replace(".",
File.separator);
if (System.getProperty("os.name").toLowerCase().indexOf("win") >= 0) {
pathtocompiled = pathtocompiled.substring(1);
}
return pathtocompiled;
}
/**
* The constructor
*/
public ExBoxFrame() throws Exception {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (Exception ex) {
ex.printStackTrace();
}
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
if (screenSize.getWidth() > 1920) {
SCALE = 2;
}
setFontSize((int) (11 * SCALE));
setSize(new Dimension((int) (400 * SCALE), (int) (400 * SCALE)));
setTitle("ExBox");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
initMenu();
initComponents();
}
private void error(String s) {
output.append("\nERROR:" + s + "\n");
}
private void interpret(String args) throws Exception {
if (reconnect.isSelected() && lastServer != null) {
command = ServerFactory.createServer(lastServer);
}
if (!arguments.getText().equals(history.getItemAt(0))
&& !arguments.getText().equals(history.getSelectedItem())) {
history.insertItemAt(arguments.getText(), 0);
}
if (command == null) {
error("no Server connected");
} else {
String res = command.execute(args);
if (graphicOn) {
graphic.setFigure(res);
} else {
output.append(res);
}
}
}
private void setGraphicView() {
if (graphicOn) {
return;
}
remove(scrollPane);
graphic = new GraphicPanel();
output.removeNotify();
add(BorderLayout.CENTER, graphic);
graphicOn = true;
validate();
repaint();
}
private void setTextView() {
if (!graphicOn) {
return;
}
remove(graphic);
add(BorderLayout.CENTER, scrollPane);
graphicOn = false;
validate();
repaint();
}
private String openFileDialog(String startDirectory, String pattern) {
FileDialog fd = new FileDialog(this, "Open");
if (pattern != null) {
fd.setFile(pattern);
}
if (startDirectory != null) {
fd.setDirectory(startDirectory);
}
fd.setVisible(true);
return fd.getDirectory() + fd.getFile();
}
private void testCommand() throws Exception {
final java.util.List<String> failed = new LinkedList<String>();
final java.util.List<String> finished = new LinkedList<String>();
JUnitCore runner = new JUnitCore();
String name = openFileDialog(getPathCompiled(), "*Test.class");
runner.addListener(new RunListener() {
@Override
public void testFinished(Description description) throws Exception {
finished.add(description.getDisplayName());
}
@Override
public void testFailure(Failure failure) throws Exception {
failed.add(failure.getDescription().getDisplayName());
}
});
Class testClass = ServerFactory.loadClass(name);
Result result = runner.run(testClass);
for (String test : finished) {
if (!failed.contains(test)) {
output.append(test + ": OK\n");
}
}
for (Failure failure : result.getFailures()) {
output.append(failure.toString() + " ERROR\n");
}
output.append(
"TESTS PASSED: "
+ (result.wasSuccessful()
? "OK \u263a"
: result.getFailures().size() + " ERRORS")
+ "\n");
}
private void connectCommand() throws Exception {
String name = openFileDialog(getPathCompiled(), "*Server.class");
command = ServerFactory.createServer(name);
lastServer = name;
String fullClassName = command.getClass().getName();
String simpleClassName = fullClassName.substring(
fullClassName.lastIndexOf('.') + 1);
setTitle("ExBox connected to " + simpleClassName);
}
private void openFile() throws Exception {
String name = openFileDialog(null, null);
BufferedReader br = new BufferedReader(
new InputStreamReader(new FileInputStream(name), "ISO-8859-1"));
StringBuffer b = new StringBuffer();
String line;
while ((line = br.readLine()) != null) {
b.append(line);
b.append('\n');
}
interpret(b.toString());
}
public void itemStateChanged(ItemEvent e) {
try {
arguments.setText((String) e.getItem());
interpret(arguments.getText());
} catch (Throwable ex) {
error(ex.toString());
}
}
public void actionPerformed(ActionEvent e) {
try {
if ((e.getSource() == arguments) || (e.getSource() == enter)) {
interpret(arguments.getText());
} else if (e.getSource() == connect) {
connectCommand();
} else if (e.getSource() == test) {
testCommand();
} else if (e.getSource() == open) {
openFile();
} else if (e.getSource() == textView) {
setTextView();
} else if (e.getSource() == graphicView) {
setGraphicView();
}
} catch (Throwable ex) {
ex.printStackTrace();
error(ex.toString());
}
}
/**
* Shutdown procedure when run as an application.
*/
protected void windowClosed() {
System.exit(0);
}
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;
import java.util.*;
import org.junit.runner.JUnitCore;
import org.junit.runner.Result;
import org.junit.runner.notification.Failure;
import org.junit.runner.notification.RunListener;
import org.junit.runner.Description;
public class ExBoxFrame extends JFrame implements ActionListener, ItemListener {
private static double SCALE = 1;
private JMenuItem connect, open, test, textView, graphicView;
private JButton enter;
private JTextField arguments;
private JCheckBox reconnect;
private JComboBox history;
private JTextArea output;
private JScrollPane scrollPane;
private CommandExecutor command;
private boolean graphicOn;
private GraphicPanel graphic;
private String lastServer;
public static void setFontSize(int size) {
Set<Object> keySet = UIManager.getLookAndFeelDefaults().keySet();
Object[] keys = keySet.toArray(new Object[keySet.size()]);
for (Object key : keys) {
if (key != null && key.toString().toLowerCase().contains("font")) {
Font font = UIManager.getDefaults().getFont(key);
if (font != null) {
font = font.deriveFont((float) size);
UIManager.put(key, font);
}
}
}
}
private void initMenu() {
JMenuBar menuBar = new JMenuBar();
JMenu menuFile = new JMenu();
JMenuItem menuFileExit = new JMenuItem();
menuFile.setText("File");
menuFileExit.setText("Exit");
// Add action listener.for the menu button
menuFileExit.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
ExBoxFrame.this.windowClosed();
}
});
menuFile.add(menuFileExit);
menuBar.add(menuFile);
JMenu menuServer = new JMenu("Server");
menuBar.add(menuServer);
connect = new JMenuItem("Connect");
connect.addActionListener(this);
menuServer.add(connect);
test = new JMenuItem("Test");
test.addActionListener(this);
menuServer.add(test);
JMenu menuView = new JMenu("View");
menuBar.add(menuView);
textView = new JMenuItem("Text");
textView.addActionListener(this);
menuView.add(textView);
graphicView = new JMenuItem("Graphic");
graphicView.addActionListener(this);
menuView.add(graphicView);
open = new JMenuItem("Open...");
open.addActionListener(this);
menuFile.insert(open, 0);
setJMenuBar(menuBar);
}
private void initComponents() {
setLayout(new BorderLayout());
output = new JTextArea();
scrollPane = new JScrollPane(output);
add(BorderLayout.CENTER, scrollPane);
Panel panel = new Panel(new BorderLayout());
arguments = new JTextField();
arguments.addActionListener(this);
panel.add(BorderLayout.CENTER, arguments);
enter = new JButton("enter");
enter.addActionListener(this);
panel.add(BorderLayout.EAST, enter);
reconnect = new JCheckBox("reconnect",true);
panel.add(BorderLayout.WEST,reconnect);
history = new JComboBox();
history.addItemListener(this);
panel.add(BorderLayout.SOUTH, history);
add(BorderLayout.SOUTH, panel);
}
/**
* get default path for file open dialog
*/
String getPathCompiled() {
String pathtocompiled = getClass().getProtectionDomain().getCodeSource().getLocation().getPath();
pathtocompiled = pathtocompiled.replace("%20", " ").replace("/",
File.separator);
pathtocompiled += getClass().getPackage().getName().replace(".",
File.separator);
if (System.getProperty("os.name").toLowerCase().indexOf("win") >= 0) {
pathtocompiled = pathtocompiled.substring(1);
}
return pathtocompiled;
}
/**
* The constructor
*/
public ExBoxFrame() throws Exception {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (Exception ex) {
ex.printStackTrace();
}
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
if (screenSize.getWidth() > 1920) {
SCALE = 2;
}
setFontSize((int) (11 * SCALE));
setSize(new Dimension((int) (400 * SCALE), (int) (400 * SCALE)));
setTitle("ExBox");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
initMenu();
initComponents();
}
private void error(String s) {
output.append("\nERROR:" + s + "\n");
}
private void interpret(String args) throws Exception {
if (reconnect.isSelected() && lastServer != null) {
command = ServerFactory.createServer(lastServer);
}
if (!arguments.getText().equals(history.getItemAt(0))
&& !arguments.getText().equals(history.getSelectedItem())) {
history.insertItemAt(arguments.getText(), 0);
}
if (command == null) {
error("no Server connected");
} else {
String res = command.execute(args);
if (graphicOn) {
graphic.setFigure(res);
} else {
output.append(res);
}
}
}
private void setGraphicView() {
if (graphicOn) {
return;
}
remove(scrollPane);
graphic = new GraphicPanel();
output.removeNotify();
add(BorderLayout.CENTER, graphic);
graphicOn = true;
validate();
repaint();
}
private void setTextView() {
if (!graphicOn) {
return;
}
remove(graphic);
add(BorderLayout.CENTER, scrollPane);
graphicOn = false;
validate();
repaint();
}
private String openFileDialog(String startDirectory, String pattern) {
FileDialog fd = new FileDialog(this, "Open");
if (pattern != null) {
fd.setFile(pattern);
}
if (startDirectory != null) {
fd.setDirectory(startDirectory);
}
fd.setVisible(true);
return fd.getDirectory() + fd.getFile();
}
private void testCommand() throws Exception {
final java.util.List<String> failed = new LinkedList<String>();
final java.util.List<String> finished = new LinkedList<String>();
JUnitCore runner = new JUnitCore();
String name = openFileDialog(getPathCompiled(), "*Test.class");
runner.addListener(new RunListener() {
@Override
public void testFinished(Description description) throws Exception {
finished.add(description.getDisplayName());
}
@Override
public void testFailure(Failure failure) throws Exception {
failed.add(failure.getDescription().getDisplayName());
}
});
Class testClass = ServerFactory.loadClass(name);
Result result = runner.run(testClass);
for (String test : finished) {
if (!failed.contains(test)) {
output.append(test + ": OK\n");
}
}
for (Failure failure : result.getFailures()) {
output.append(failure.toString() + " ERROR\n");
}
output.append(
"TESTS PASSED: "
+ (result.wasSuccessful()
? "OK \u263a"
: result.getFailures().size() + " ERRORS")
+ "\n");
}
private void connectCommand() throws Exception {
String name = openFileDialog(getPathCompiled(), "*Server.class");
command = ServerFactory.createServer(name);
lastServer = name;
String fullClassName = command.getClass().getName();
String simpleClassName = fullClassName.substring(
fullClassName.lastIndexOf('.') + 1);
setTitle("ExBox connected to " + simpleClassName);
}
private void openFile() throws Exception {
String name = openFileDialog(null, null);
BufferedReader br = new BufferedReader(
new InputStreamReader(new FileInputStream(name), "ISO-8859-1"));
StringBuffer b = new StringBuffer();
String line;
while ((line = br.readLine()) != null) {
b.append(line);
b.append('\n');
}
interpret(b.toString());
}
public void itemStateChanged(ItemEvent e) {
try {
arguments.setText((String) e.getItem());
interpret(arguments.getText());
} catch (Throwable ex) {
error(ex.toString());
}
}
public void actionPerformed(ActionEvent e) {
try {
if ((e.getSource() == arguments) || (e.getSource() == enter)) {
interpret(arguments.getText());
} else if (e.getSource() == connect) {
connectCommand();
} else if (e.getSource() == test) {
testCommand();
} else if (e.getSource() == open) {
openFile();
} else if (e.getSource() == textView) {
setTextView();
} else if (e.getSource() == graphicView) {
setGraphicView();
}
} catch (Throwable ex) {
ex.printStackTrace();
error(ex.toString());
}
}
/**
* Shutdown procedure when run as an application.
*/
protected void windowClosed() {
System.exit(0);
}
}

172
src/main/java/ch/zhaw/ads/GraphicPanel.java
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@ -1,88 +1,88 @@
package ch.zhaw.ads;
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
import java.util.*;
public class GraphicPanel extends JPanel {
String figure;
public void setFigure(String figure) {
this.figure = figure;
paint(getGraphics());
}
private void drawRect(Graphics g, double x, double y, double width, double height, String style) {
int w = getWidth();
int h = getHeight();
int ix0 = (int) (w * x);
int iy0 = (int) (h * y);
int ix1 = (int) (w * (x + width));
int iy1 = (int) (h * (y + height));
if (style.equals("draw")) {
g.drawRect(ix0, h - iy1, ix1 - ix0, iy1 - iy0);
} else {
g.fillRect(ix0, h - iy1, ix1 - ix0, iy1 - iy0);
}
}
private void drawFigure(Graphics g) {
if (figure != null) {
int w = getWidth();
int h = getHeight();
g.setColor(Color.black);
StringTokenizer tok = new StringTokenizer(figure, " <>=/,\"\n");
while (tok.hasMoreTokens()) {
String fig = tok.nextToken();
if (fig.equals("line")) {
tok.nextToken();
double x1 = Double.parseDouble(tok.nextToken());
tok.nextToken();
double y1 = Double.parseDouble(tok.nextToken());
tok.nextToken();
double x2 = Double.parseDouble(tok.nextToken());
tok.nextToken();
double y2 = Double.parseDouble(tok.nextToken());
g.drawLine((int) (x1 * w), h - (int) (y1 * h),
(int) (x2 * w), h - (int) (y2 * h));
} else if (fig.equals("rect")) {
tok.nextToken();
double x = Double.parseDouble(tok.nextToken());
tok.nextToken();
double y = Double.parseDouble(tok.nextToken());
tok.nextToken();
double width = Double.parseDouble(tok.nextToken());
tok.nextToken();
double height = Double.parseDouble(tok.nextToken());
tok.nextToken();
String style = tok.nextToken();
drawRect(g, x, y, width, height, style);
} else if (fig.equals("color")) {
tok.nextToken();
int red = Integer.parseInt(tok.nextToken());
tok.nextToken();
int green = Integer.parseInt(tok.nextToken());
tok.nextToken();
int blue = Integer.parseInt(tok.nextToken());
g.setColor(new Color(red, green, blue));
}
}
}
}
private void clear(Graphics g) {
int w = getWidth();
int h = getHeight();
g.setColor(new Color(240, 240, 240));
g.fillRect(0, 0, w, h);
}
public void paint(Graphics g) {
clear(g);
drawFigure(g);
}
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
import java.util.*;
public class GraphicPanel extends JPanel {
String figure;
public void setFigure(String figure) {
this.figure = figure;
paint(getGraphics());
}
private void drawRect(Graphics g, double x, double y, double width, double height, String style) {
int w = getWidth();
int h = getHeight();
int ix0 = (int) (w * x);
int iy0 = (int) (h * y);
int ix1 = (int) (w * (x + width));
int iy1 = (int) (h * (y + height));
if (style.equals("draw")) {
g.drawRect(ix0, h - iy1, ix1 - ix0, iy1 - iy0);
} else {
g.fillRect(ix0, h - iy1, ix1 - ix0, iy1 - iy0);
}
}
private void drawFigure(Graphics g) {
if (figure != null) {
int w = getWidth();
int h = getHeight();
g.setColor(Color.black);
StringTokenizer tok = new StringTokenizer(figure, " <>=/,\"\n");
while (tok.hasMoreTokens()) {
String fig = tok.nextToken();
if (fig.equals("line")) {
tok.nextToken();
double x1 = Double.parseDouble(tok.nextToken());
tok.nextToken();
double y1 = Double.parseDouble(tok.nextToken());
tok.nextToken();
double x2 = Double.parseDouble(tok.nextToken());
tok.nextToken();
double y2 = Double.parseDouble(tok.nextToken());
g.drawLine((int) (x1 * w), h - (int) (y1 * h),
(int) (x2 * w), h - (int) (y2 * h));
} else if (fig.equals("rect")) {
tok.nextToken();
double x = Double.parseDouble(tok.nextToken());
tok.nextToken();
double y = Double.parseDouble(tok.nextToken());
tok.nextToken();
double width = Double.parseDouble(tok.nextToken());
tok.nextToken();
double height = Double.parseDouble(tok.nextToken());
tok.nextToken();
String style = tok.nextToken();
drawRect(g, x, y, width, height, style);
} else if (fig.equals("color")) {
tok.nextToken();
int red = Integer.parseInt(tok.nextToken());
tok.nextToken();
int green = Integer.parseInt(tok.nextToken());
tok.nextToken();
int blue = Integer.parseInt(tok.nextToken());
g.setColor(new Color(red, green, blue));
}
}
}
}
private void clear(Graphics g) {
int w = getWidth();
int h = getHeight();
g.setColor(new Color(240, 240, 240));
g.fillRect(0, 0, w, h);
}
public void paint(Graphics g) {
clear(g);
drawFigure(g);
}
}

132
src/main/java/ch/zhaw/ads/ServerFactory.java
View File

@ -1,68 +1,68 @@
/**
* ServerFactory -- Praktikum Experimentierkasten --
*
* @author K. Rege
* @version 1.0 -- Factory zur Erstellung von Server Objekten
* @version 2.0 -- Dynamisches Nachladen
*/
/**
* ServerFactory -- Praktikum Experimentierkasten --
*
* @author K. Rege
* @version 1.0 -- Factory zur Erstellung von Server Objekten
* @version 2.0 -- Dynamisches Nachladen
*/
package ch.zhaw.ads;
import java.io.*;
/* Classloader that handles file path of class
*/
class MyClassLoader extends ClassLoader {
private String path;
MyClassLoader(ClassLoader parent) {
super(parent);
}
private byte[] getBytes(String name) {
try {
RandomAccessFile file = new RandomAccessFile(name, "r");
byte data[] = new byte[(int) file.length()];
file.readFully(data);
file.close();
return data;
} catch (IOException e) {}
return null;
}
/**
* @name filename of class
*/
public Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException {
// System.out.println("load:" + name + " " + resolve);
Class<?> clazz;
byte[] classData = getBytes(name);
if (classData != null) {
clazz = defineClass(classData, 0, classData.length);
path = name.substring(0,
name.length() - clazz.getName().length() - ".class".length());
return clazz;
}
if (!resolve) {
classData = getBytes(path + name.replace(".", File.separator) + ".class");
if (classData != null) {
return defineClass(classData, 0, classData.length);
}
}
return findSystemClass(name);
}
}
public class ServerFactory {
public static Class<?> loadClass(String name) throws Exception {
MyClassLoader myClassLoader = new MyClassLoader(
MyClassLoader.class.getClassLoader());
Class<?> clazz = myClassLoader.loadClass(name, true);
return clazz;
}
public static CommandExecutor createServer(String name) throws Exception {
return (CommandExecutor) loadClass(name).newInstance();
}
import java.io.*;
/* Classloader that handles file path of class
*/
class MyClassLoader extends ClassLoader {
private String path;
MyClassLoader(ClassLoader parent) {
super(parent);
}
private byte[] getBytes(String name) {
try {
RandomAccessFile file = new RandomAccessFile(name, "r");
byte data[] = new byte[(int) file.length()];
file.readFully(data);
file.close();
return data;
} catch (IOException e) {}
return null;
}
/**
* @name filename of class
*/
public Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException {
// System.out.println("load:" + name + " " + resolve);
Class<?> clazz;
byte[] classData = getBytes(name);
if (classData != null) {
clazz = defineClass(classData, 0, classData.length);
path = name.substring(0,
name.length() - clazz.getName().length() - ".class".length());
return clazz;
}
if (!resolve) {
classData = getBytes(path + name.replace(".", File.separator) + ".class");
if (classData != null) {
return defineClass(classData, 0, classData.length);
}
}
return findSystemClass(name);
}
}
public class ServerFactory {
public static Class<?> loadClass(String name) throws Exception {
MyClassLoader myClassLoader = new MyClassLoader(
MyClassLoader.class.getClassLoader());
Class<?> clazz = myClassLoader.loadClass(name, true);
return clazz;
}
public static CommandExecutor createServer(String name) throws Exception {
return (CommandExecutor) loadClass(name).newInstance();
}
}