[Bprocessor-commit] bprocessor/src/net/sourceforge/bprocessor Main.java, NONE, 1.1 Shell.java, NONE, 1.1 Plugin.java, NONE, 1.1 Loader.java, NONE, 1.1 Application.java, 1.10, 1.11

[Michael L. <he...@us...>]

Update of /cvsroot/bprocessor/bprocessor/src/net/sourceforge/bprocessor
In directory sfp-cvsdas-2.v30.ch3.sourceforge.com:/tmp/cvs-serv8723/src/net/sourceforge/bprocessor

Modified Files:
	Application.java 
Added Files:
	Main.java Shell.java Plugin.java Loader.java 
Log Message:


Index: Application.java
===================================================================
RCS file: /cvsroot/bprocessor/bprocessor/src/net/sourceforge/bprocessor/Application.java,v
retrieving revision 1.10
retrieving revision 1.11
diff -C2 -d -r1.10 -r1.11
*** Application.java	25 Jun 2009 20:29:20 -0000	1.10
--- Application.java	3 Dec 2010 11:40:54 -0000	1.11
***************
*** 1,16 ****
  package net.sourceforge.bprocessor;
  
! import net.sourceforge.bprocessor.facade.FacadeMain;
! import net.sourceforge.bprocessor.gl.Editor;
! import net.sourceforge.bprocessor.gui.GUI;
! 
  import org.apache.log4j.PropertyConfigurator;
  
  public class Application {
! 
    public Application() {
      super();
    }
    
    /**
     * @param args
--- 1,51 ----
  package net.sourceforge.bprocessor;
  
! import java.io.File;
! import java.net.URL;
  import org.apache.log4j.PropertyConfigurator;
  
  public class Application {
!   private Shell shell;
!   private Loader loader;
!   
    public Application() {
      super();
+     shell = new Shell();
+     loader = new Loader(shell);
+   }
+   
+   public String applicationPath() {
+     URL url = Application.class.getProtectionDomain().getCodeSource().getLocation();
+     return url.getFile();
+   }
+   public String pluginsPath() {
+     String current = applicationPath();
+     while (current != null) {
+       File tester = new File(current, "plugins");
+       if (tester.isDirectory()) {
+         return tester.getAbsolutePath();
+       }
+       File directory = new File(current);
+       current = directory.getParent();
+     }
+     return ".";
    }
    
+   public void load() throws Exception {
+     String path = pluginsPath();
+     System.out.println("plugins-path: " + path);
+     loader.load(path);
+   }
+   
+   public void run() {
+     try {
+       load();
+     } catch (Exception e) {
+       // TODO Auto-generated catch block
+       e.printStackTrace();
+     }
+   }
+   
+   
    /**
     * @param args
***************
*** 21,27 ****
        PropertyConfigurator.configure(args[0]);
      }
!     new GUI();
!     new Editor();
!     new FacadeMain();
    }
  }
--- 56,61 ----
        PropertyConfigurator.configure(args[0]);
      }
!     
!     new Application().run();
    }
  }

--- NEW FILE: Main.java ---
package net.sourceforge.bprocessor;

import org.apache.log4j.PropertyConfigurator;

public class Main {
  private Shell shell;
  
  public Main() {
    shell = new Shell();
  }
  
  public void run() {
    shell.prepare();
    shell.start();
  }
  
  /**
   * @param args
   */
  public static void main(String[] args) {
    System.out.println("os = " + System.getProperty("os.name"));
    if (args.length > 0) {
      PropertyConfigurator.configure(args[0]);
    }
    
    new Main().run();
  }
}

--- NEW FILE: Plugin.java ---
package net.sourceforge.bprocessor;

public interface Plugin {
  public String name();
  public void prepare();
  public void start();
}

--- NEW FILE: Shell.java ---
package net.sourceforge.bprocessor;

import java.util.LinkedList;
import java.util.List;

import net.sourceforge.bprocessor.facade.FacadeMain;
import net.sourceforge.bprocessor.gl.Editor;
import net.sourceforge.bprocessor.gui.GUI;

public class Shell {
  private List<Plugin> plugins;
  
  public Shell() {
    plugins = new LinkedList<Plugin>();
    new GUI();
    new Editor();
    new FacadeMain();
  }
  
  public void add(Plugin plugin) {
    plugins.add(plugin);
  }
  
  public void prepare() {
    for (Plugin current : plugins) {
      current.prepare();
    }
  }
  
  public void start() {
    for (Plugin current : plugins) {
      current.start();
    }
  }
}

--- NEW FILE: Loader.java ---
package net.sourceforge.bprocessor;

import java.io.File;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.LinkedList;
import java.util.List;
import java.util.jar.Attributes;
import java.util.jar.JarFile;
import java.util.jar.Manifest;

public class Loader {
  private Shell shell;
  
  public Loader(Shell shell) {
    this.shell = shell;
  }
  
  public void load(List<String> paths) throws Exception {
    List<String> names = new LinkedList<String>();
    List<URL> urls = new LinkedList<URL>();
    for (String path : paths) {
      File file = new File(path);
      URL url = file.toURI().toURL();
      System.out.println("loading: " + url);
      JarFile jarfile = new JarFile(path);
      Manifest manifest = jarfile.getManifest();
      Attributes attributes = manifest.getMainAttributes();
      String name = attributes.getValue("Plugin");
      if (name != null) {
        names.add(name);
      }
      urls.add(url);
    }
    
    URL[] urla = new URL[urls.size()];
    urla = urls.toArray(urla);
    URLClassLoader loader = new URLClassLoader(urla);

    for (String name : names) {
      Class clazz = Class.forName(name, true, loader);
      if (clazz != null) {
        System.out.println("located clazz "  + name);
        Plugin plugin = (Plugin) clazz.newInstance();
        shell.add(plugin);
      }
    }
    shell.prepare();
    shell.start();
  }
  
  public void load(String path) throws Exception {
    File file = new File(path);
    List<String> paths = new LinkedList<String>();
    for (File current : file.listFiles()) {
      String name = current.getName();
      if (name.endsWith(".jar")) {
        paths.add(current.getAbsolutePath());
      }
    }
    load(paths);
  }
}