393 lines
7.2 KiB
Java
393 lines
7.2 KiB
Java
/*
|
|
* $Id: AseAwkPanel.java,v 1.2 2007-04-12 10:50:05 bacon Exp $
|
|
*/
|
|
|
|
import java.awt.*;
|
|
import java.awt.event.*;
|
|
|
|
import java.net.URL;
|
|
import java.io.File;
|
|
import java.io.IOException;
|
|
import java.io.StringReader;
|
|
import java.io.StringWriter;
|
|
|
|
import ase.awk.StdAwk;
|
|
import ase.awk.Extio;
|
|
|
|
public class AseAwkPanel extends Panel
|
|
{
|
|
/* MsgBox taken from http://www.rgagnon.com/javadetails/java-0242.html */
|
|
class MsgBox extends Dialog implements ActionListener
|
|
{
|
|
boolean id = false;
|
|
Button ok,can;
|
|
|
|
MsgBox (Frame frame, String msg, boolean okcan)
|
|
{
|
|
super (frame, "Message", true);
|
|
setLayout(new BorderLayout());
|
|
add("Center",new Label(msg));
|
|
addOKCancelPanel(okcan);
|
|
createFrame();
|
|
pack();
|
|
setVisible(true);
|
|
}
|
|
|
|
void addOKCancelPanel( boolean okcan )
|
|
{
|
|
Panel p = new Panel();
|
|
p.setLayout(new FlowLayout());
|
|
createOKButton( p );
|
|
if (okcan == true) createCancelButton( p );
|
|
add("South",p);
|
|
}
|
|
|
|
void createOKButton(Panel p)
|
|
{
|
|
p.add(ok = new Button("OK"));
|
|
ok.addActionListener(this);
|
|
}
|
|
|
|
void createCancelButton(Panel p)
|
|
{
|
|
p.add(can = new Button("Cancel"));
|
|
can.addActionListener(this);
|
|
}
|
|
|
|
void createFrame()
|
|
{
|
|
Dimension d = getToolkit().getScreenSize();
|
|
setLocation(d.width/3,d.height/3);
|
|
}
|
|
|
|
public void actionPerformed(ActionEvent ae)
|
|
{
|
|
if(ae.getSource() == ok)
|
|
{
|
|
id = true;
|
|
setVisible(false);
|
|
}
|
|
else if(ae.getSource() == can)
|
|
{
|
|
setVisible(false);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
class Awk extends StdAwk
|
|
{
|
|
private AseAwkPanel awkPanel;
|
|
|
|
private StringReader srcIn;
|
|
private StringWriter srcOut;
|
|
|
|
private StringReader conIn;
|
|
private StringWriter conOut;
|
|
|
|
public Awk (AseAwkPanel awkPanel) throws Exception
|
|
{
|
|
super ();
|
|
this.awkPanel = awkPanel;
|
|
}
|
|
|
|
protected int openSource (int mode)
|
|
{
|
|
if (mode == SOURCE_READ)
|
|
{
|
|
srcIn = new StringReader (awkPanel.getSourceInput());
|
|
return 1;
|
|
}
|
|
else if (mode == SOURCE_WRITE)
|
|
{
|
|
srcOut = new StringWriter ();
|
|
return 1;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
protected int closeSource (int mode)
|
|
{
|
|
if (mode == SOURCE_READ)
|
|
{
|
|
srcIn.close ();
|
|
return 0;
|
|
}
|
|
else if (mode == SOURCE_WRITE)
|
|
{
|
|
awkPanel.setSourceOutput (srcOut.toString());
|
|
|
|
try { srcOut.close (); }
|
|
catch (IOException e) { return -1; }
|
|
return 0;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
protected int readSource (char[] buf, int len)
|
|
{
|
|
try
|
|
{
|
|
int n = srcIn.read (buf, 0, len);
|
|
if (n == -1) n = 0;
|
|
return n;
|
|
}
|
|
catch (IOException e) { return -1; }
|
|
}
|
|
|
|
protected int writeSource (char[] buf, int len)
|
|
{
|
|
srcOut.write (buf, 0, len);
|
|
return len;
|
|
}
|
|
|
|
protected int openConsole (Extio extio)
|
|
{
|
|
int mode = extio.getMode ();
|
|
|
|
if (mode == Extio.MODE_CONSOLE_READ)
|
|
{
|
|
conIn = new StringReader (awkPanel.getConsoleInput());
|
|
return 1;
|
|
}
|
|
else if (mode == Extio.MODE_CONSOLE_WRITE)
|
|
{
|
|
conOut = new StringWriter ();
|
|
return 1;
|
|
}
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
protected int closeConsole (Extio extio)
|
|
{
|
|
int mode = extio.getMode ();
|
|
|
|
if (mode == Extio.MODE_CONSOLE_READ)
|
|
{
|
|
conIn.close ();
|
|
return 0;
|
|
}
|
|
else if (mode == Extio.MODE_CONSOLE_WRITE)
|
|
{
|
|
awkPanel.setConsoleOutput (conOut.toString());
|
|
|
|
try { conOut.close (); }
|
|
catch (IOException e) { return -1; }
|
|
return 0;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
protected int readConsole (Extio extio, char[] buf, int len)
|
|
{
|
|
int mode = extio.getMode ();
|
|
|
|
if (mode == Extio.MODE_CONSOLE_READ)
|
|
{
|
|
try
|
|
{
|
|
int n = conIn.read (buf, 0, len);
|
|
if (n == -1) n = 0;
|
|
return n;
|
|
}
|
|
catch (IOException e) { return -1; }
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
protected int writeConsole (Extio extio, char[] buf, int len)
|
|
{
|
|
int mode = extio.getMode ();
|
|
|
|
if (mode == Extio.MODE_CONSOLE_WRITE)
|
|
{
|
|
conOut.write (buf, 0, len);
|
|
return len;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
protected int flushConsole (Extio extio)
|
|
{
|
|
int mode = extio.getMode ();
|
|
|
|
if (mode == Extio.MODE_CONSOLE_WRITE)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
protected int nextConsole (Extio extio)
|
|
{
|
|
int mode = extio.getMode ();
|
|
|
|
if (mode == Extio.MODE_CONSOLE_READ)
|
|
{
|
|
}
|
|
else if (mode == Extio.MODE_CONSOLE_WRITE)
|
|
{
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
private TextArea srcIn;
|
|
private TextArea srcOut;
|
|
private TextArea conIn;
|
|
private TextArea conOut;
|
|
private TextField jniLib;
|
|
|
|
private boolean jniLibLoaded = false;
|
|
|
|
public AseAwkPanel ()
|
|
{
|
|
jniLib = new TextField ();
|
|
|
|
srcIn = new TextArea ();
|
|
srcOut = new TextArea ();
|
|
conIn = new TextArea ();
|
|
conOut = new TextArea ();
|
|
|
|
Button runBtn = new Button ("Run Awk");
|
|
|
|
runBtn.addActionListener (new ActionListener ()
|
|
{
|
|
public void actionPerformed (ActionEvent e)
|
|
{
|
|
runAwk ();
|
|
}
|
|
});
|
|
|
|
Panel topPanel = new Panel ();
|
|
BorderLayout topPanelLayout = new BorderLayout ();
|
|
topPanel.setLayout (topPanelLayout);
|
|
|
|
topPanelLayout.setHgap (2);
|
|
topPanelLayout.setVgap (2);
|
|
topPanel.add (new Label ("JNI Library: "), BorderLayout.WEST);
|
|
topPanel.add (jniLib, BorderLayout.CENTER);
|
|
|
|
Panel centerPanel = new Panel ();
|
|
GridLayout centerPanelLayout = new GridLayout (2, 2);
|
|
|
|
centerPanel.setLayout (centerPanelLayout);
|
|
|
|
centerPanelLayout.setHgap (2);
|
|
centerPanelLayout.setVgap (2);
|
|
|
|
centerPanel.add (srcIn);
|
|
centerPanel.add (srcOut);
|
|
centerPanel.add (conIn);
|
|
centerPanel.add (conOut);
|
|
|
|
BorderLayout mainLayout = new BorderLayout ();
|
|
mainLayout.setHgap (2);
|
|
mainLayout.setVgap (2);
|
|
|
|
setLayout (mainLayout);
|
|
|
|
add (topPanel, BorderLayout.NORTH);
|
|
add (centerPanel, BorderLayout.CENTER);
|
|
add (runBtn, BorderLayout.SOUTH);
|
|
|
|
URL url = this.getClass().getResource (this.getClass().getName() + ".class");
|
|
File file = new File (url.getFile());
|
|
|
|
System.out.println (System.getProperty("os.name"));
|
|
if (System.getProperty ("os.name").toLowerCase().startsWith ("windows"))
|
|
{
|
|
String path = file.getParentFile().getParentFile().getParent() + "\\lib\\aseawk_jni.dll";
|
|
jniLib.setText (path.substring(6));
|
|
}
|
|
else
|
|
{
|
|
String path = file.getParentFile().getParentFile().getParent() + "/lib/.libs/libaseawk_jni.dylib";
|
|
jniLib.setText (path.substring(6));
|
|
}
|
|
}
|
|
|
|
public String getSourceInput ()
|
|
{
|
|
return srcIn.getText ();
|
|
}
|
|
|
|
public void setSourceOutput (String output)
|
|
{
|
|
srcOut.setText (output);
|
|
}
|
|
|
|
public String getConsoleInput ()
|
|
{
|
|
return conIn.getText ();
|
|
}
|
|
|
|
public void setConsoleOutput (String output)
|
|
{
|
|
conOut.setText (output);
|
|
}
|
|
|
|
private void runAwk ()
|
|
{
|
|
Awk awk = null;
|
|
|
|
if (!jniLibLoaded)
|
|
{
|
|
try
|
|
{
|
|
System.load (jniLib.getText());
|
|
jniLib.setEnabled (false);
|
|
jniLibLoaded = true;
|
|
}
|
|
catch (UnsatisfiedLinkError e)
|
|
{
|
|
showMessage ("Cannot load libraryi - " + e.getMessage());
|
|
return;
|
|
}
|
|
}
|
|
|
|
try
|
|
{
|
|
try
|
|
{
|
|
awk = new Awk (this);
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
showMessage ("Cannot instantiate awk - " + e.getMessage());
|
|
return;
|
|
}
|
|
|
|
awk.parse ();
|
|
awk.run ();
|
|
}
|
|
catch (ase.awk.Exception e)
|
|
{
|
|
showMessage ("An exception occurred - " + e.getMessage());
|
|
return;
|
|
}
|
|
finally
|
|
{
|
|
if (awk != null) awk.close ();
|
|
}
|
|
}
|
|
|
|
private void showMessage (String msg)
|
|
{
|
|
Frame tmp = new Frame ("");
|
|
MsgBox message = new MsgBox (tmp, msg, false);
|
|
requestFocus ();
|
|
message.dispose ();
|
|
tmp.dispose ();
|
|
}
|
|
}
|