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Core library of the Free Evolutionary Algorithm Toolkit
/*
* @(#)Graphpad.java 1.2 11/11/02
*
* Copyright (C) 2001 Gaudenz Alder
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
package org.jgraph;
import org.jgraph.pad.DefaultGraphModelProvider;
import org.jgraph.pad.GraphModelProviderRegistry;
import org.jgraph.pad.resources.ImageLoader;
import org.jgraph.pad.resources.Translator;
import org.jgraph.pad.resources.Version;
import org.jgraph.utils.Utilities;
import javax.swing.*;
import java.applet.Applet;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.net.UnknownServiceException;
import java.util.Calendar;
public class JGraphpad extends Applet {
// Main method
public static void main(String[] args) {
// Logo
ImageIcon logoIcon = ImageLoader.getImageIcon("splash.gif");
JWindow frame = new JWindow();
try {
//frame.setUndecorated(true); // JDK 1.3
JLabel lab = new JLabel(logoIcon) {
public void paint(Graphics g) {
super.paint(g);
Graphics2D g2 = (Graphics2D) g;
g2.setRenderingHint(
RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g2.setColor(Color.BLACK);
g2.setFont(new Font("Arial", Font.BOLD, 12));
g2.drawString("v " + Version.getVersion(), 65, 58);
g2.setFont(new Font("Arial", Font.BOLD, 10));
g2.drawString(
"(c) "
+ Calendar.getInstance().get(Calendar.YEAR)
+ " www.jgpd.com",
10,
70);
}
};
frame.getContentPane().add(lab, BorderLayout.CENTER);
lab.setLayout(new BorderLayout());
lab.setBorder(BorderFactory.createRaisedBevelBorder());
frame.pack();
Utilities.center(frame);
frame.show();
GraphModelProviderRegistry.addGraphModelProvider(
new DefaultGraphModelProvider());
new GPGraphpad();
} catch (Exception e) {
e.printStackTrace();
System.err.println(e.getMessage());
} finally {
frame.dispose();
}
}
// From Applet
public void init() {
setLayout(new BorderLayout());
setBackground(Color.white);
JButton button = new JButton("Start");
button.setIcon(GPGraphpad.applicationIcon);
add(button, BorderLayout.CENTER);
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
setCursor(new Cursor(Cursor.WAIT_CURSOR));
launchFromApplet();
setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
}
});
button.setPreferredSize(getSize());
button.revalidate();
GraphModelProviderRegistry.addGraphModelProvider(
new DefaultGraphModelProvider());
launchFromApplet();
}
// FIXME is this just tiki code?
public void launchFromApplet() {
GPGraphpad pad = new GPGraphpad(this);
//GPGraphpad.init();
// Are we a Tiki applet?
String drawPath = getParameter("drawpath");
if (drawPath != null && !drawPath.equals("")) {
try {
setCursor(new Cursor(Cursor.WAIT_CURSOR));
URL tikiURL =
new URL(
"http",
getCodeBase().getHost(),
getCodeBase().getPort(),
drawPath);
pad.addDocument(tikiURL);
} catch (MalformedURLException ex) {
JOptionPane.showMessageDialog(
pad,
ex.getLocalizedMessage(),
Translator.getString("Error"),
JOptionPane.ERROR_MESSAGE);
} finally {
setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
}
}
}
static public boolean post(
String serverName,
int portNumber,
String url,
String fileName,
String type,
String path,
String content,
String comment)
throws MalformedURLException, IOException {
String sep = "89692781418184";
while (content.indexOf(sep) != -1)
sep += "x";
String message =
makeMimeForm(fileName, type, path, content, comment, sep);
// Ask for parameters
URL server = new URL("http", serverName, portNumber, url);
URLConnection connection = server.openConnection();
connection.setAllowUserInteraction(false);
connection.setDoOutput(true);
//connection.setDoInput(true);
connection.setUseCaches(false);
connection.setRequestProperty(
"Content-type",
"multipart/form-data; boundary=" + sep);
connection.setRequestProperty(
"Content-length",
Integer.toString(message.length()));
//System.out.println(url);
String replyString = null;
try {
DataOutputStream out =
new DataOutputStream(connection.getOutputStream());
out.writeBytes(message);
out.close();
System.out.println(
"Wrote " + message.length() + " bytes to\n" + connection);
try {
BufferedReader in =
new BufferedReader(
new InputStreamReader(connection.getInputStream()));
String reply = null;
while ((reply = in.readLine()) != null) {
if (reply.startsWith("ERROR ")) {
replyString = reply.substring("ERROR ".length());
}
}
in.close();
} catch (IOException ioe) {
replyString = ioe.toString();
System.out.println(ioe + ": " + connection);
}
} catch (UnknownServiceException use) {
replyString = use.getMessage();
System.out.println(message);
}
if (replyString != null) {
System.out.println("---- Reply " + replyString);
/*
if (replyString.startsWith("URL ")) {
URL eurl = getURL(replyString.substring("URL ".length()));
getAppletContext().showDocument(eurl);
} else if (
replyString.startsWith("java.io.FileNotFoundException")) {
// debug; when run from appletviewer, the http connection
// is not available so write the file content
if (path.endsWith(".draw") || path.endsWith(".map"))
System.out.println(content);
} else
showStatus(replyString);
*/
return false;
} else {
System.out.println(url + " saved");
//showStatus(url + " saved");
return true;
}
}
//-----------------------------------------------------------------------
/**
* create name="value" MIME form data like:
* -----------------------------1234567
* Content-Disposition: form-data; name="theName"
*
* theValue
*/
/**
* create name="value" file MIME form data like:
* -----------------------------1234567
* Content-Disposition: form-data; name="theName"; filename="theValue"
*
* theContent
*/
static String NL = "\r\n";
static String NLNL = NL + NL;
/** Post the given message */
private static String makeMimeForm(
String fileName,
String type,
String path,
String content,
String comment,
String sep) {
String binary = "";
if (type.equals("image/gif")) {
binary = "Content-Transfer-Encoding: binary" + NL;
}
String mime_sep = NL + "--" + sep + NL;
return "--"
+ sep
+ "\r\n"
+ "Content-Disposition: form-data; name=\"filename\""
+ NLNL
+ fileName
+ mime_sep
+ "Content-Disposition: form-data; name=\"noredirect\""
+ NLNL
+ 1
+ mime_sep
+ "Content-Disposition: form-data; name=\"filepath\"; "
+ "filename=\""
+ path
+ "\""
+ NL
+ "Content-Type: "
+ type
+ NL
+ binary
+ NL
+ content
+ mime_sep
+ "Content-Disposition: form-data; name=\"filecomment\""
+ NLNL
+ comment
+ NL
+ "--"
+ sep
+ "--"
+ NL;
}
/** Replace current app with a different URL */
void exit(GPGraphpad application) {
application.getFrame().dispose();
String viewPath = getParameter(VIEWPATH_PARAMETER);
if (viewPath != null) {
try {
//String serverName = getCodeBase().getHost(); //unused code
//int portNumber = getCodeBase().getPort(); //unused code
URL url = new URL(getCodeBase(), viewPath);
getAppletContext().showDocument(url, "_self");
} catch (MalformedURLException mue) {
System.out.println(mue);
//showStatus("Bad URL for viewpath " + viewPath);
}
}
}
static private String VIEWPATH_PARAMETER = "viewpath";
}
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