979 lines
21 KiB
Java
979 lines
21 KiB
Java
/*
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* $Id: AseAwkPanel.java,v 1.32 2007/11/12 07:21:52 bacon Exp $
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*/
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import java.awt.*;
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import java.awt.event.*;
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import java.awt.dnd.*;
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import java.awt.datatransfer.*;
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import java.net.URL;
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import java.net.URLConnection;
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import java.io.File;
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import java.io.IOException;
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import java.io.FileNotFoundException;
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import java.io.StringReader;
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import java.io.StringWriter;
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import java.io.Reader;
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import java.io.Writer;
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import java.io.InputStream;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.FileReader;
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import java.security.MessageDigest;
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import java.util.List;
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import java.util.Iterator;
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import ase.awk.StdAwk;
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import ase.awk.Console;
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import ase.awk.Context;
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import ase.awk.Argument;
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import ase.awk.Return;
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public class AseAwkPanel extends Panel implements DropTargetListener
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{
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/* MsgBox taken from http://www.rgagnon.com/javadetails/java-0242.html */
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class MsgBox extends Dialog implements ActionListener
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{
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boolean id = false;
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Button ok,can;
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MsgBox (Frame frame, String msg, boolean okcan)
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{
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super (frame, "Message", true);
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setLayout(new BorderLayout());
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add("Center",new Label(msg));
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addOKCancelPanel(okcan);
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createFrame();
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pack();
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setVisible(true);
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}
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void addOKCancelPanel( boolean okcan )
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{
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Panel p = new Panel();
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p.setLayout(new FlowLayout());
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createOKButton( p );
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if (okcan == true) createCancelButton( p );
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add("South",p);
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}
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void createOKButton(Panel p)
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{
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p.add(ok = new Button("OK"));
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ok.addActionListener(this);
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}
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void createCancelButton(Panel p)
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{
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p.add(can = new Button("Cancel"));
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can.addActionListener(this);
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}
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void createFrame()
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{
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Dimension d = getToolkit().getScreenSize();
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setLocation(d.width/3,d.height/3);
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}
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public void actionPerformed(ActionEvent ae)
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{
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if(ae.getSource() == ok)
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{
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id = true;
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setVisible(false);
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}
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else if(ae.getSource() == can)
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{
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setVisible(false);
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}
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}
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}
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public class Awk extends StdAwk
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{
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private AseAwkPanel awkPanel;
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private StringReader srcIn;
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private StringWriter srcOut;
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public Awk (AseAwkPanel awkPanel) throws Exception
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{
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super ();
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this.awkPanel = awkPanel;
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addFunction ("sleep", 1, 1);
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/*
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setWord ("sin", "cain");
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setWord ("length", "len");
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setWord ("OFMT", "ofmt");
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setWord ("END", "end");
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setWord ("sleep", "cleep");
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setWord ("end", "END");
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*/
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}
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public void sleep (Context ctx, String name, Return ret, Argument[] args) throws ase.awk.Exception
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{
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Argument t = args[0];
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//if (args[0].isIndexed()) t = args[0].getIndexed(0);
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try { Thread.sleep (t.getIntValue() * 1000); }
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catch (InterruptedException e) {}
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ret.setIntValue (0);
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/*
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ret.setIndexedRealValue (1, 111.23);
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ret.setIndexedStringValue (2, "1111111");
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ret.setIndexedStringValue (3, "22222222");
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ret.setIndexedIntValue (4, 444);
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ret.setIndexedIntValue (5, 55555);
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Return r = new Return (ctx);
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r.setStringValue ("[[%.6f]]");
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Return r2 = new Return (ctx);
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r2.setStringValue ("[[%.6f]]");
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//ctx.setGlobal (Context.GLOBAL_CONVFMT, ret);
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Argument g = ctx.getGlobal (Context.GLOBAL_CONVFMT);
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ctx.setGlobal (Context.GLOBAL_CONVFMT, r2);
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System.out.println (g.getStringValue());
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g = ctx.getGlobal (Context.GLOBAL_CONVFMT);
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System.out.println (g.getStringValue());
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*/
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}
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protected int openSource (int mode)
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{
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if (mode == SOURCE_READ)
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{
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srcIn = new StringReader (awkPanel.getSourceInput());
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return 1;
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}
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else if (mode == SOURCE_WRITE)
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{
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srcOut = new StringWriter ();
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return 1;
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}
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return -1;
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}
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protected int closeSource (int mode)
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{
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if (mode == SOURCE_READ)
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{
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srcIn.close ();
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return 0;
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}
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else if (mode == SOURCE_WRITE)
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{
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awkPanel.setSourceOutput (srcOut.toString());
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try { srcOut.close (); }
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catch (IOException e) { return -1; }
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return 0;
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}
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return -1;
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}
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protected int readSource (char[] buf, int len)
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{
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try
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{
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int n = srcIn.read (buf, 0, len);
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if (n == -1) n = 0;
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return n;
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}
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catch (IOException e) { return -1; }
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}
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protected int writeSource (char[] buf, int len)
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{
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srcOut.write (buf, 0, len);
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return len;
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}
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protected int openConsole (Console con)
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{
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int mode = con.getMode ();
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if (mode == Console.MODE_READ)
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{
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con.setHandle (new StringReader (awkPanel.getConsoleInput()));
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return 1;
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}
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else if (mode == Console.MODE_WRITE)
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{
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con.setHandle (new StringWriter ());
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return 1;
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}
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return -1;
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}
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protected int closeConsole (Console con)
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{
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int mode = con.getMode ();
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if (mode == Console.MODE_READ)
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{
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Reader rd = (Reader)con.getHandle();
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try { rd.close (); }
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catch (IOException e) { return -1; }
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return 0;
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}
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else if (mode == Console.MODE_WRITE)
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{
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Writer wr = (Writer)con.getHandle();
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awkPanel.setConsoleOutput (wr.toString());
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try { wr.close (); }
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catch (IOException e) { return -1; }
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return 0;
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}
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return -1;
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}
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protected int readConsole (Console con, char[] buf, int len)
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{
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int mode = con.getMode ();
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if (mode == Console.MODE_READ)
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{
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Reader rd = (Reader)con.getHandle();
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try
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{
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int n = rd.read (buf, 0, len);
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if (n == -1) n = 0;
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return n;
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}
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catch (IOException e) { return -1; }
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}
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return -1;
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}
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protected int writeConsole (Console con, char[] buf, int len)
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{
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int mode = con.getMode ();
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if (mode == Console.MODE_WRITE)
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{
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Writer wr = (Writer)con.getHandle();
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try { wr.write (buf, 0, len); }
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catch (IOException e) { return -1; }
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return len;
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}
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return -1;
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}
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protected int flushConsole (Console con)
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{
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int mode = con.getMode ();
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if (mode == Console.MODE_WRITE)
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{
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return 0;
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}
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return -1;
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}
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protected int nextConsole (Console con)
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{
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int mode = con.getMode ();
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if (mode == Console.MODE_READ)
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{
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return 0;
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}
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else if (mode == Console.MODE_WRITE)
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{
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return 0;
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}
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return -1;
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}
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}
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private TextArea srcIn;
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private TextArea srcOut;
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private TextArea conIn;
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private TextArea conOut;
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private TextField entryPoint;
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private TextField jniLib;
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private Label statusLabel;
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private DropTarget srcInDropTarget;
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private DropTarget conInDropTarget;
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private boolean jniLibLoaded = false;
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private class Option
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{
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private String name;
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private int value;
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private boolean state;
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public Option (String name, int value, boolean state)
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{
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this.name = name;
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this.value = value;
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this.state = state;
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}
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public String getName()
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{
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return this.name;
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}
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public int getValue()
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{
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return this.value;
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}
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public boolean getState()
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{
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return this.state;
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}
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public void setState (boolean state)
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{
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this.state = state;
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}
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}
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protected Option[] options = new Option[]
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{
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new Option("IMPLICIT", StdAwk.OPTION_IMPLICIT, true),
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new Option("EXPLICIT", StdAwk.OPTION_EXPLICIT, false),
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new Option("UNIQUEFN", StdAwk.OPTION_UNIQUEFN, true),
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new Option("SHADING", StdAwk.OPTION_SHADING, true),
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new Option("SHIFT", StdAwk.OPTION_SHIFT, false),
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new Option("IDIV", StdAwk.OPTION_IDIV, false),
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new Option("STRCONCAT", StdAwk.OPTION_STRCONCAT, false),
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new Option("EXTIO", StdAwk.OPTION_EXTIO, true),
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new Option("BLOCKLESS", StdAwk.OPTION_BLOCKLESS, true),
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new Option("BASEONE", StdAwk.OPTION_BASEONE, true),
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new Option("STRIPSPACES", StdAwk.OPTION_STRIPSPACES, false),
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new Option("NEXTOFILE", StdAwk.OPTION_NEXTOFILE, false),
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//new Option("CRLF", StdAwk.OPTION_CRLF, false),
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new Option("ARGSTOMAIN", StdAwk.OPTION_ARGSTOMAIN, false),
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new Option("RESET", StdAwk.OPTION_RESET, false),
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new Option("MAPTOVAR", StdAwk.OPTION_MAPTOVAR, false),
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new Option("PABLOCK", StdAwk.OPTION_PABLOCK, true)
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};
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public AseAwkPanel ()
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{
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prepareUserInterface ();
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prepareNativeInterface ();
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}
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private void prepareUserInterface ()
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{
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jniLib = new TextField ();
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String osname = System.getProperty ("os.name").toLowerCase();
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int fontSize = (osname.startsWith("windows"))? 14: 12;
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Font font = new Font ("Monospaced", Font.PLAIN, fontSize);
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srcIn = new TextArea ();
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srcOut = new TextArea ();
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conIn = new TextArea ();
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conOut = new TextArea ();
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srcIn.setFont (font);
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srcOut.setFont (font);
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conIn.setFont (font);
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conOut.setFont (font);
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Panel srcInPanel = new Panel();
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srcInPanel.setLayout (new BorderLayout());
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srcInPanel.add (new Label("Source Input"), BorderLayout.NORTH);
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srcInPanel.add (srcIn, BorderLayout.CENTER);
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Panel srcOutPanel = new Panel();
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srcOutPanel.setLayout (new BorderLayout());
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srcOutPanel.add (new Label("Source Output"), BorderLayout.NORTH);
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srcOutPanel.add (srcOut, BorderLayout.CENTER);
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Panel conInPanel = new Panel();
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conInPanel.setLayout (new BorderLayout());
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conInPanel.add (new Label("Console Input"), BorderLayout.NORTH);
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conInPanel.add (conIn, BorderLayout.CENTER);
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Panel conOutPanel = new Panel();
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conOutPanel.setLayout (new BorderLayout());
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conOutPanel.add (new Label("Console Output"), BorderLayout.NORTH);
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conOutPanel.add (conOut, BorderLayout.CENTER);
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Button runBtn = new Button ("Run Awk");
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runBtn.addActionListener (new ActionListener ()
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{
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public void actionPerformed (ActionEvent e)
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{
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runAwk ();
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}
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});
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entryPoint = new TextField();
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Panel entryPanel = new Panel();
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entryPanel.setLayout (new BorderLayout());
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entryPanel.add (new Label("Main:"), BorderLayout.WEST);
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entryPanel.add (entryPoint, BorderLayout.CENTER);
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Panel leftPanel = new Panel();
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leftPanel.setLayout (new BorderLayout());
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leftPanel.add (runBtn, BorderLayout.SOUTH);
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Panel optPanel = new Panel();
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optPanel.setBackground (Color.YELLOW);
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optPanel.setLayout (new GridLayout(options.length, 1));
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for (int i = 0; i < options.length; i++)
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{
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Checkbox cb = new Checkbox(options[i].getName(), options[i].getState());
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cb.addItemListener (new ItemListener ()
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{
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public void itemStateChanged (ItemEvent e)
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{
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Object x = e.getItem();
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String name;
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if (x instanceof Checkbox)
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{
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// gcj
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name = ((Checkbox)x).getLabel();
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}
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else if (x instanceof String)
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{
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// standard jdk
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name = (String)x;
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}
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else name = x.toString();
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for (int i = 0; i < options.length; i++)
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{
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if (options[i].getName().equals(name))
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{
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options[i].setState (e.getStateChange() == ItemEvent.SELECTED);
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}
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}
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}
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});
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optPanel.add (cb);
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}
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leftPanel.add (entryPanel, BorderLayout.NORTH);
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leftPanel.add (optPanel, BorderLayout.CENTER);
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Panel topPanel = new Panel ();
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BorderLayout topPanelLayout = new BorderLayout ();
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topPanel.setLayout (topPanelLayout);
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topPanelLayout.setHgap (2);
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topPanelLayout.setVgap (2);
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topPanel.add (new Label ("JNI Library: "), BorderLayout.WEST);
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topPanel.add (jniLib, BorderLayout.CENTER);
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Panel centerPanel = new Panel ();
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GridLayout centerPanelLayout = new GridLayout (2, 2);
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centerPanel.setLayout (centerPanelLayout);
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centerPanelLayout.setHgap (2);
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centerPanelLayout.setVgap (2);
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centerPanel.add (srcInPanel);
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centerPanel.add (srcOutPanel);
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centerPanel.add (conInPanel);
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centerPanel.add (conOutPanel);
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BorderLayout mainLayout = new BorderLayout ();
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mainLayout.setHgap (2);
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mainLayout.setVgap (2);
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setLayout (mainLayout);
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statusLabel = new Label ("Ready - " + System.getProperty("user.dir"));
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statusLabel.setBackground (Color.GREEN);
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add (topPanel, BorderLayout.NORTH);
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add (centerPanel, BorderLayout.CENTER);
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add (leftPanel, BorderLayout.WEST);
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add (statusLabel, BorderLayout.SOUTH);
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srcInDropTarget = new DropTarget (srcIn, this);
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conInDropTarget = new DropTarget (conIn, this);
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}
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public void prepareNativeInterface ()
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{
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String libBase = "aseawk_jni";
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String osname = System.getProperty ("os.name").toLowerCase();
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String osarch = System.getProperty("os.arch").toLowerCase();
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String userHome = System.getProperty("user.home");
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if (osname.startsWith("windows")) osname = "win";
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else if (osname.startsWith("linux")) osname = "linux";
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else if (osname.startsWith("mac")) osname = "mac";
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URL url = this.getClass().getResource (
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this.getClass().getName() + ".class");
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if (url == null)
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{
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if (osname.equals("win"))
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{
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jniLib.setText(System.getProperty("user.dir") +
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"\\.\\lib\\" + System.mapLibraryName(libBase));
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}
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else
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{
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jniLib.setText(System.getProperty("user.dir") +
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"/../lib/.libs/" + System.mapLibraryName(libBase));
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}
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return;
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}
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String protocol = url.getProtocol ();
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boolean isHttp = url.getPath().startsWith ("http://");
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File file = new File (isHttp? url.getPath():url.getFile());
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String base = protocol.equals("jar")?
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file.getParentFile().getParentFile().getParent():
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file.getParentFile().getParent();
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/*if (isHttp)*/ base = java.net.URLDecoder.decode (base);
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if (isHttp) libBase = libBase + "-" + osname + "-" + osarch;
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String libName = System.mapLibraryName(libBase);
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if (osname.equals("win"))
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{
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String jniLocal;
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if (isHttp)
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{
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base = "http://" + base.substring(6).replace('\\', '/');
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String jniUrl = base + "/lib/" + libName;
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String md5Url = jniUrl + ".md5";
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jniLocal = userHome + "\\" + libName;
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try
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{
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downloadNative (md5Url, jniUrl, jniLocal);
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}
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catch (Exception e)
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{
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showMessage ("Cannot download native library - " + e.getMessage());
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jniLocal = "ERROR - Not Available";
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}
|
|
}
|
|
else
|
|
{
|
|
jniLocal = base + "\\lib\\" + libName;
|
|
if (protocol.equals("jar")) jniLocal = jniLocal.substring(6);
|
|
}
|
|
|
|
jniLib.setText (jniLocal);
|
|
}
|
|
else
|
|
{
|
|
String jniLocal;
|
|
if (isHttp)
|
|
{
|
|
base = "http://" + base.substring(6);
|
|
String jniUrl = base + "/lib/" + libName;
|
|
String md5Url = jniUrl + ".md5";
|
|
|
|
jniLocal = userHome + "/" + libName;
|
|
|
|
try
|
|
{
|
|
downloadNative (md5Url, jniUrl, jniLocal);
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
showMessage ("Cannot download native library - " + e.getMessage());
|
|
jniLocal = "ERROR - Not Available";
|
|
}
|
|
}
|
|
else
|
|
{
|
|
jniLocal = base + "/lib/.libs/" + libName;
|
|
if (protocol.equals("jar")) jniLocal = jniLocal.substring(5);
|
|
}
|
|
|
|
jniLib.setText (jniLocal);
|
|
}
|
|
}
|
|
|
|
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 library - " + e.getMessage());
|
|
return;
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
showMessage ("Cannot load library - " + e.getMessage());
|
|
return;
|
|
}
|
|
}
|
|
|
|
srcOut.setText ("");
|
|
conOut.setText ("");
|
|
|
|
try
|
|
{
|
|
try
|
|
{
|
|
awk = new Awk (this);
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
showMessage ("Cannot instantiate awk - " + e.getMessage());
|
|
return;
|
|
}
|
|
|
|
for (int i = 0; i < options.length; i++)
|
|
{
|
|
if (options[i].getState())
|
|
{
|
|
awk.setOption (awk.getOption() | options[i].getValue());
|
|
}
|
|
else
|
|
{
|
|
awk.setOption (awk.getOption() & ~options[i].getValue());
|
|
}
|
|
}
|
|
|
|
statusLabel.setText ("Parsing...");
|
|
awk.parse ();
|
|
|
|
String main = entryPoint.getText().trim();
|
|
|
|
statusLabel.setText ("Running...");
|
|
if (main.length() > 0) awk.run (main);
|
|
else awk.run ();
|
|
|
|
statusLabel.setText ("Done...");
|
|
}
|
|
catch (ase.awk.Exception e)
|
|
{
|
|
String msg;
|
|
int line = e.getLine();
|
|
int code = e.getCode();
|
|
|
|
if (line <= 0)
|
|
msg = "An exception occurred - [" + code + "] " + e.getMessage();
|
|
else
|
|
msg = "An exception occurred - [" + code + "] " + e.getMessage() + " at line " + line;
|
|
|
|
showMessage (msg);
|
|
statusLabel.setText (msg);
|
|
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 ();
|
|
}
|
|
|
|
|
|
private String getFileMD5 (String file) throws Exception
|
|
{
|
|
MessageDigest md = MessageDigest.getInstance("MD5");
|
|
FileInputStream fis = null;
|
|
|
|
try
|
|
{
|
|
fis = new FileInputStream (file);
|
|
|
|
int n;
|
|
byte[] b = new byte[1024];
|
|
while ((n = fis.read(b)) != -1)
|
|
{
|
|
md.update (b, 0, n);
|
|
}
|
|
}
|
|
catch (FileNotFoundException e) { return ""; }
|
|
catch (IOException e) { throw e; }
|
|
finally
|
|
{
|
|
if (fis != null)
|
|
{
|
|
try { fis.close (); }
|
|
catch (IOException e) {}
|
|
fis = null;
|
|
}
|
|
}
|
|
|
|
StringBuffer buf = new StringBuffer ();
|
|
byte[] d = md.digest ();
|
|
for (int i = 0; i < d.length; i++)
|
|
{
|
|
String x = Integer.toHexString((d[i] & 0x00FF));
|
|
if (x.length() == 1) buf.append ('0');
|
|
buf.append (x);
|
|
}
|
|
return buf.toString();
|
|
}
|
|
|
|
private void downloadNative (String md5URL, String sourceURL, String destFile) throws Exception
|
|
{
|
|
InputStream is = null;
|
|
FileOutputStream fos = null;
|
|
String sumRemote = null;
|
|
|
|
/* download the checksum file */
|
|
try
|
|
{
|
|
URL url = new URL (md5URL);
|
|
URLConnection conn = url.openConnection ();
|
|
|
|
is = url.openStream ();
|
|
|
|
int n, total = 0;
|
|
byte[] b = new byte[32];
|
|
while ((n = is.read(b, total, 32-total)) != -1)
|
|
{
|
|
total += n;
|
|
if (total >= 32)
|
|
{
|
|
sumRemote = new String (b);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
catch (IOException e) { throw e; }
|
|
finally
|
|
{
|
|
if (is != null)
|
|
{
|
|
try { is.close (); }
|
|
catch (IOException e) {}
|
|
is = null;
|
|
}
|
|
}
|
|
|
|
if (sumRemote != null)
|
|
{
|
|
/* if the checksum matches the checksum of the local file,
|
|
* the native library file doesn't have to be downloaded */
|
|
String sumLocal = getFileMD5 (destFile);
|
|
if (sumRemote.equalsIgnoreCase(sumLocal)) return;
|
|
}
|
|
|
|
/* download the actual file */
|
|
try
|
|
{
|
|
URL url = new URL(sourceURL);
|
|
URLConnection conn = url.openConnection();
|
|
|
|
is = url.openStream();
|
|
fos = new FileOutputStream(destFile);
|
|
|
|
int n;
|
|
byte[] b = new byte[1024];
|
|
while ((n = is.read(b)) != -1)
|
|
{
|
|
fos.write(b, 0, n);
|
|
}
|
|
}
|
|
catch (IOException e) { throw e; }
|
|
finally
|
|
{
|
|
if (is != null)
|
|
{
|
|
try { is.close (); }
|
|
catch (IOException e) {}
|
|
is = null;
|
|
}
|
|
if (fos != null)
|
|
{
|
|
try { fos.close (); }
|
|
catch (IOException e) {}
|
|
fos = null;
|
|
}
|
|
}
|
|
}
|
|
|
|
public void dragEnter(DropTargetDragEvent dtde) { }
|
|
public void dragExit(DropTargetEvent dte) { }
|
|
public void dragOver(DropTargetDragEvent dtde) { }
|
|
public void dropActionChanged(DropTargetDragEvent dtde) { }
|
|
|
|
public void drop (DropTargetDropEvent dtde)
|
|
{
|
|
DropTarget dropTarget = dtde.getDropTargetContext().getDropTarget();
|
|
|
|
if (dropTarget != srcInDropTarget &&
|
|
dropTarget != conInDropTarget)
|
|
{
|
|
dtde.rejectDrop ();
|
|
return;
|
|
}
|
|
|
|
Transferable tr = dtde.getTransferable ();
|
|
DataFlavor[] flavors = tr.getTransferDataFlavors();
|
|
for (int i = 0; i < flavors.length; i++)
|
|
{
|
|
//System.out.println("Possible flavor: " + flavors[i].getMimeType());
|
|
|
|
if (flavors[i].isFlavorJavaFileListType())
|
|
{
|
|
TextArea t = (TextArea)dropTarget.getComponent();
|
|
t.setText ("");
|
|
|
|
try
|
|
{
|
|
dtde.acceptDrop (DnDConstants.ACTION_COPY_OR_MOVE);
|
|
List files = (List)tr.getTransferData(flavors[i]);
|
|
Iterator x = files.iterator ();
|
|
while (x.hasNext())
|
|
{
|
|
File file = (File)x.next ();
|
|
loadFileTo (file, t);
|
|
}
|
|
dtde.dropComplete (true);
|
|
return;
|
|
}
|
|
catch (UnsupportedFlavorException e)
|
|
{
|
|
dtde.rejectDrop ();
|
|
return;
|
|
}
|
|
catch (IOException e)
|
|
{
|
|
dtde.rejectDrop ();
|
|
return;
|
|
}
|
|
}
|
|
else if (flavors[i].isFlavorSerializedObjectType())
|
|
{
|
|
TextArea t = (TextArea)dropTarget.getComponent();
|
|
try
|
|
{
|
|
dtde.acceptDrop (DnDConstants.ACTION_COPY_OR_MOVE);
|
|
Object o = tr.getTransferData(flavors[i]);
|
|
t.replaceText (o.toString(), t.getSelectionStart(), t.getSelectionEnd());
|
|
dtde.dropComplete(true);
|
|
return;
|
|
}
|
|
catch (UnsupportedFlavorException e)
|
|
{
|
|
dtde.rejectDrop ();
|
|
return;
|
|
}
|
|
catch (IOException e)
|
|
{
|
|
dtde.rejectDrop ();
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
dtde.rejectDrop ();
|
|
}
|
|
|
|
private void loadFileTo (File file, TextArea textArea) throws IOException
|
|
{
|
|
FileReader fr = null;
|
|
StringBuffer fb = new StringBuffer(textArea.getText());
|
|
|
|
try
|
|
{
|
|
fr = new FileReader (file);
|
|
|
|
int n;
|
|
char[] b = new char[1024];
|
|
while ((n = fr.read (b)) != -1) fb.append (b, 0, n);
|
|
}
|
|
catch (IOException e) { throw e; }
|
|
finally
|
|
{
|
|
if (fr != null)
|
|
{
|
|
try { fr.close (); }
|
|
catch (IOException e) {}
|
|
fr = null;
|
|
}
|
|
}
|
|
|
|
textArea.setText (fb.toString());
|
|
}
|
|
|
|
void clear ()
|
|
{
|
|
conIn.setText ("");
|
|
srcIn.setText ("");
|
|
conOut.setText ("");
|
|
srcOut.setText ("");
|
|
}
|
|
|
|
void setConsoleInput (String str)
|
|
{
|
|
conIn.setText (str);
|
|
}
|
|
|
|
void setSourceInput (String str)
|
|
{
|
|
srcIn.setText (str);
|
|
}
|
|
|
|
}
|