processing.app.linux.Platform.java Source code

Java tutorial

Introduction

Here is the source code for processing.app.linux.Platform.java

Source

/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */

/*
  Part of the Processing project - http://processing.org
    
  Copyright (c) 2008 Ben Fry and Casey Reas
    
  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 processing.app.linux;

import org.apache.commons.exec.CommandLine;
import org.apache.commons.exec.Executor;
import processing.app.PreferencesData;
import processing.app.debug.TargetPackage;
import processing.app.tools.ExternalProcessExecutor;
import processing.app.legacy.PConstants;

import java.io.*;
import java.util.Map;

/**
 * Used by Base for platform-specific tweaking, for instance finding the
 * sketchbook location using the Windows registry, or OS X event handling.
 */
public class Platform extends processing.app.Platform {

    // TODO Need to be smarter here since KDE people ain't gonna like that GTK.
    //      It may even throw a weird exception at 'em for their trouble.
    public void setLookAndFeel() throws Exception {
        // Linux is by default even uglier than metal (Motif?).
        // Actually, i'm using native menus, so they're even uglier
        // and Motif-looking (Lesstif?). Ick. Need to fix this.
        //String lfname = UIManager.getCrossPlatformLookAndFeelClassName();
        //UIManager.setLookAndFeel(lfname);

        // For 0120, trying out the gtk+ look and feel as the default.
        // This is available in Java 1.4.2 and later, and it can't possibly
        // be any worse than Metal. (Ocean might also work, but that's for
        // Java 1.5, and we aren't going there yet)
        //UIManager.setLookAndFeel("com.sun.java.swing.plaf.gtk.GTKLookAndFeel");
    }

    public File getDefaultSketchbookFolder() throws Exception {
        File home = new File(System.getProperty("user.home"));
        return new File(home, "Arduino");
    }

    public void openURL(String url) throws Exception {
        if (openFolderAvailable()) {
            String launcher = PreferencesData.get("launcher");
            if (launcher != null) {
                Runtime.getRuntime().exec(new String[] { launcher, url });
            }
        }
    }

    public boolean openFolderAvailable() {
        if (PreferencesData.get("launcher") != null) {
            return true;
        }

        // Attempt to use xdg-open
        try {
            Process p = Runtime.getRuntime().exec(new String[] { "xdg-open" });
            p.waitFor();
            PreferencesData.set("launcher", "xdg-open");
            return true;
        } catch (Exception e) {
        }

        // Attempt to use gnome-open
        try {
            Process p = Runtime.getRuntime().exec(new String[] { "gnome-open" });
            p.waitFor();
            // Not installed will throw an IOException (JDK 1.4.2, Ubuntu 7.04)
            PreferencesData.set("launcher", "gnome-open");
            return true;
        } catch (Exception e) {
        }

        // Attempt with kde-open
        try {
            Process p = Runtime.getRuntime().exec(new String[] { "kde-open" });
            p.waitFor();
            PreferencesData.set("launcher", "kde-open");
            return true;
        } catch (Exception e) {
        }

        return false;
    }

    public void openFolder(File file) throws Exception {
        if (openFolderAvailable()) {
            String launcher = PreferencesData.get("launcher");
            try {
                String[] params = new String[] { launcher, file.getAbsolutePath() };
                //processing.core.PApplet.println(params);
                /*Process p =*/ Runtime.getRuntime().exec(params);
                /*int result =*/ //p.waitFor();
            } catch (Exception e) {
                e.printStackTrace();
            }
        } else {
            System.out.println("No launcher set, cannot open " + file.getAbsolutePath());
        }
    }

    @Override
    public String getName() {
        return PConstants.platformNames[PConstants.LINUX];
    }

    @Override
    public Map<String, Object> resolveDeviceAttachedTo(String serial, Map<String, TargetPackage> packages,
            String devicesListOutput) {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        Executor executor = new ExternalProcessExecutor(baos);

        try {
            CommandLine toDevicePath = CommandLine.parse("udevadm info -q path -n " + serial);
            executor.execute(toDevicePath);
            String devicePath = new String(baos.toByteArray());
            baos.reset();
            CommandLine commandLine = CommandLine.parse("udevadm info --query=property -p " + devicePath);
            executor.execute(commandLine);
            String vidPid = new UDevAdmParser().extractVIDAndPID(new String(baos.toByteArray()));

            if (vidPid == null) {
                return super.resolveDeviceAttachedTo(serial, packages, devicesListOutput);
            }

            return super.resolveDeviceByVendorIdProductId(packages, vidPid);
        } catch (IOException e) {
            return super.resolveDeviceAttachedTo(serial, packages, devicesListOutput);
        }
    }
}