mote type classloaders

This commit is contained in:
nifi 2006-08-22 12:25:24 +00:00
parent 8c2765f0f7
commit c1dc1c4fd3

View file

@ -26,7 +26,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: GUI.java,v 1.2 2006/08/22 08:56:08 nifi Exp $
* $Id: GUI.java,v 1.3 2006/08/22 12:25:24 nifi Exp $
*/
package se.sics.cooja;
@ -49,7 +49,7 @@ import se.sics.cooja.plugins.*;
/**
* Main file of COOJA Simulator.
*
*
* @author Fredrik Osterlind
*/
public class GUI extends JDesktopPane {
@ -415,7 +415,7 @@ public class GUI extends JDesktopPane {
/**
* Register new mote type class.
*
*
* @param moteTypeClass
* Class to register
*/
@ -439,7 +439,7 @@ public class GUI extends JDesktopPane {
/**
* Register new IP distributor class
*
*
* @param ipDistributorClass
* Class to register
* @return True if class was registered
@ -475,7 +475,7 @@ public class GUI extends JDesktopPane {
/**
* Register new positioner class.
*
*
* @param positionerClass
* Class to register
* @return True if class was registered
@ -512,7 +512,7 @@ public class GUI extends JDesktopPane {
/**
* Register new radio medium class.
*
*
* @param radioMediumClass
* Class to register
* @return True if class was registered
@ -543,9 +543,9 @@ public class GUI extends JDesktopPane {
* mediums. This method may still return true even if all classes could not be
* registered, but always returns false if all user platform configuration
* files were not parsed correctly.
*
*
* Any registered temporary plugins will be saved and reregistered.
*
*
* @return True if external configuration files were found and parsed OK
*/
public boolean reparsePlatformConfig() {
@ -715,7 +715,7 @@ public class GUI extends JDesktopPane {
/**
* Returns the current platform configuration common to the entire simulator.
*
*
* @return Current platform configuration
*/
public PlatformConfig getPlatformConfig() {
@ -724,7 +724,7 @@ public class GUI extends JDesktopPane {
/**
* Returns the current user platforms common to the entire simulator.
*
*
* @return Current user platforms.
*/
public Vector<File> getUserPlatforms() {
@ -735,7 +735,7 @@ public class GUI extends JDesktopPane {
/**
* Show a started plugin in working area.
*
*
* @param plugin
* Internal frame to add
*/
@ -762,7 +762,7 @@ public class GUI extends JDesktopPane {
/**
* Remove a plugin from working area.
*
*
* @param plugin
* Plugin to remove
* @param askUser
@ -792,7 +792,7 @@ public class GUI extends JDesktopPane {
/**
* Starts a plugin of given plugin class. If the plugin is a mote plugin the
* currently selected mote will be given as an argument.
*
*
* @param pluginClass
* Plugin class
* @return True if plugin was started, false otherwise
@ -860,7 +860,7 @@ public class GUI extends JDesktopPane {
/**
* Register a plugin to be included in the GUI. The plugin will be visible in
* the menubar.
*
*
* @param newPluginClass
* New plugin to register
* @return True if this plugin was registered ok, false otherwise
@ -873,7 +873,7 @@ public class GUI extends JDesktopPane {
* Register a temporary plugin to be included in the GUI. The plugin will be
* visible in the menubar. This plugin will automatically be unregistered if
* the current simulation is removed.
*
*
* @param newPluginClass
* New plugin to register
* @return True if this plugin was registered ok, false otherwise
@ -893,7 +893,7 @@ public class GUI extends JDesktopPane {
/**
* Unregister a plugin class. Removes any plugin menu items links as well.
*
*
* @param pluginClass
* Plugin class to unregister
*/
@ -924,7 +924,7 @@ public class GUI extends JDesktopPane {
/**
* Register a plugin to be included in the GUI.
*
*
* @param newPluginClass
* New plugin to register
* @param addToMenu
@ -1005,7 +1005,7 @@ public class GUI extends JDesktopPane {
/**
* Show mote plugins menu for starting a mote plugin. All registered mote
* plugins can be selected from.
*
*
* @param invoker
* Component that wants to display the menu
* @param mote
@ -1043,7 +1043,7 @@ public class GUI extends JDesktopPane {
/**
* Creates a new mote type of the given mote type class.
*
*
* @param moteTypeClass
* Mote type class
*/
@ -1075,7 +1075,7 @@ public class GUI extends JDesktopPane {
/**
* Remove current simulation
*
*
* @param askForConfirmation
* Should we ask for confirmation if a simulation is already active?
*/
@ -1126,7 +1126,7 @@ public class GUI extends JDesktopPane {
/**
* Load a simulation configuration file from disk
*
*
* @param askForConfirmation
* Should we ask for confirmation if a simulation is already active?
*/
@ -1192,7 +1192,7 @@ public class GUI extends JDesktopPane {
/**
* Save current simulation configuration to disk
*
*
* @param askForConfirmation
* Ask for confirmation before overwriting file
*/
@ -1259,7 +1259,7 @@ public class GUI extends JDesktopPane {
/**
* Create a new simulation
*
*
* @param askForConfirmation
* Should we ask for confirmation if a simulation is already active?
*/
@ -1288,7 +1288,7 @@ public class GUI extends JDesktopPane {
/**
* Quit program
*
*
* @param askForConfirmation
* Should we ask for confirmation before quitting?
*/
@ -1319,7 +1319,7 @@ public class GUI extends JDesktopPane {
/**
* Get name of external tools setting at given index.
*
*
* @param index
* Setting index
* @return Name
@ -1491,7 +1491,7 @@ public class GUI extends JDesktopPane {
/**
* Help method that tries to load and initialize a class with given name.
*
*
* @param <N>
* Class extending given class type
* @param classType
@ -1517,57 +1517,89 @@ public class GUI extends JDesktopPane {
}
try {
return userPlatformClassLoader.loadClass(className).asSubclass(classType);
if (userPlatformClassLoader != null) {
return userPlatformClassLoader.loadClass(className).asSubclass(classType);
}
} catch (ClassNotFoundException e) {
}
return null;
}
public ClassLoader createUserPlatformClassLoader(Vector<File> platformsList) {
if (userPlatformClassLoader == null) {
reparsePlatformConfig();
}
return createClassLoader(userPlatformClassLoader, platformsList);
}
private ClassLoader createClassLoader(Vector<File> currentUserPlatforms) {
ClassLoader classLoader = ClassLoader.getSystemClassLoader();
return createClassLoader(ClassLoader.getSystemClassLoader(), currentUserPlatforms);
}
// Combine class loader from all user platforms (including any specified JAR
// files)
for (File userPlatform : currentUserPlatforms) {
// Read configuration to check if any JAR files should be loaded
private File findJarFile(File platformPath, String jarfile) {
File fp = new File(jarfile);
if (!fp.exists()) {
fp = new File(platformPath, jarfile);
}
if (!fp.exists()) {
fp = new File(platformPath, "java/" + jarfile);
}
if (!fp.exists()) {
fp = new File(platformPath, "java/lib/" + jarfile);
}
if (!fp.exists()) {
fp = new File(platformPath, "lib/" + jarfile);
}
return fp.exists() ? fp : null;
}
private ClassLoader createClassLoader(ClassLoader parent,
Vector<File> platformsList) {
if (platformsList == null || platformsList.isEmpty()) {
return parent;
}
// Combine class loader from all user platforms (including any
// specified JAR files)
ArrayList<URL> urls = new ArrayList<URL>();
for (int j = platformsList.size() - 1; j >= 0; j--) {
File userPlatform = platformsList.get(j);
try {
File userPlatformConfigFile = new File(userPlatform.getPath()
+ File.separatorChar + PLATFORM_CONFIG_FILENAME);
urls.add((new File(userPlatform, "java")).toURL());
// Read configuration to check if any JAR files should be loaded
File userPlatformConfigFile =
new File(userPlatform, PLATFORM_CONFIG_FILENAME);
PlatformConfig userPlatformConfig = new PlatformConfig();
userPlatformConfig.appendConfig(userPlatformConfigFile);
String[] platformJarFiles = userPlatformConfig.getStringArrayValue(
GUI.class, "JARFILES");
if (platformJarFiles != null && platformJarFiles.length > 0) {
URL[] platformJarURLs = new URL[platformJarFiles.length];
for (int i = 0; i < platformJarFiles.length; i++) {
platformJarURLs[i] = new File(userPlatform.getPath()
+ File.separatorChar + "lib" + File.separatorChar
+ platformJarFiles[i]).toURL();
for (String jarfile : platformJarFiles) {
File jarpath = findJarFile(userPlatform, jarfile);
if (jarpath == null) {
throw new FileNotFoundException(jarfile);
}
urls.add(jarpath.toURL());
}
classLoader = new URLClassLoader(platformJarURLs, classLoader);
}
} catch (Exception e) {
logger.fatal("Error when trying to read JAR-file in " + userPlatform
+ ": " + e);
}
// Add java class directory
classLoader = new DirectoryClassLoader(classLoader, new File(userPlatform
.getPath()
+ File.separatorChar + "java"));
}
return classLoader;
return new URLClassLoader((URL[]) urls.toArray(new URL[urls.size()]),
userPlatformClassLoader);
}
/**
* Help method that returns the description for given object. This method
* reads from the object's class annotations if existing. Otherwise it returns
* the simple class name of object's class.
*
*
* @param object
* Object
* @return Description
@ -1580,7 +1612,7 @@ public class GUI extends JDesktopPane {
* Help method that returns the description for given class. This method reads
* from class annotations if existing. Otherwise it returns the simple class
* name.
*
*
* @param clazz
* Class
* @return Description
@ -1594,7 +1626,7 @@ public class GUI extends JDesktopPane {
/**
* Load configurations and create a GUI.
*
*
* @param args
* null
*/