Apple-2-Tools/AppleCommander
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Made SWT version of AppleCommander reflective. The AppleCommander

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class will not load SWT anymore...
This commit is contained in:
Robert Greene 2003-12-07 06:17:55 +00:00
parent 400618bb86
commit 75fe859c00
1 changed files with 55 additions and 7 deletions
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62
src/com/webcodepro/applecommander/ui/AppleCommander.java
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@ -19,7 +19,8 @@
*/
package com.webcodepro.applecommander.ui;
import com.webcodepro.applecommander.ui.swt.SwtAppleCommander;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
/**
* Launch AppleCommander.
@ -27,21 +28,26 @@ import com.webcodepro.applecommander.ui.swt.SwtAppleCommander;
* launch. Additionally, there are some command-line interface switches
* available - see the about method.
* <p>
* Regarding SWT, this appliation launcher tries to not be SWT dependent.
* That means that SwtAppleCommander is launched purely by reflection.
* NOTE: This may yet prove to be a worthless trick. If it is, remove
* the crud. However, as the VERION and COPYRIGHT are in this class and
* are referenced in various places, it may well be worth it.
* <p>
* Date created: Nov 16, 2002 9:13:25 PM
* @author: Rob Greene
*/
public class AppleCommander {
public static final String VERSION = "1.3.0";
public static final String VERSION = "1.3.1pre";
public static final String COPYRIGHT = "Copyright (c) 2002-2003";
/**
* Launch AppleCommander.
*/
public static void main(String[] args) {
if (args.length == 0) {
try {
Class.forName("org.eclipse.swt.SWT");
SwtAppleCommander.main(args);
} catch (ClassNotFoundException ex) {
if (isSwtAvailable()) {
launchSwtAppleCommander(args);
} else {
System.err.println("Sorry, the SWT libraries do not appear to be available (yet).");
//SwingAppleCommander.main(args);
}
@ -49,7 +55,7 @@ public class AppleCommander {
String[] extraArgs = new String[args.length - 1];
System.arraycopy(args, 1, extraArgs, 0, extraArgs.length);
if ("-swt".equalsIgnoreCase(args[0])) {
SwtAppleCommander.main(extraArgs);
launchSwtAppleCommander(args);
} else if ("-swing".equalsIgnoreCase(args[0])) {
System.err.println("Sorry, the Swing GUI is not available (yet).");
//SwingAppleCommander.main(extraArgs);
@ -62,4 +68,46 @@ public class AppleCommander {
}
}
}
/**
* Launch the SWT version of AppleCommander. This method
* uses reflection to load SwtAppleCommander to minimize which
* classes get loaded. This is particularly important for the
* command-line version.
*/
protected static void launchSwtAppleCommander(String[] args) {
Class swtAppleCommander;
try {
swtAppleCommander = Class.forName(
"com.webcodepro.applecommander.ui.swt.SwtAppleCommander");
Object object = swtAppleCommander.newInstance();
Method launchMethod = swtAppleCommander.
getMethod("launch", null);
launchMethod.invoke(object, null);
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (SecurityException e) {
e.printStackTrace();
} catch (NoSuchMethodException e) {
e.printStackTrace();
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
} catch (InstantiationException e) {
e.printStackTrace();
}
}
/**
* Test to see if SWT is available.
*/
protected static boolean isSwtAvailable() {
try {
Class.forName("org.eclipse.swt.SWT");
return true;
} catch (ClassNotFoundException ex) {
return false;
}
}
}