| Re: [platform-ui-dev] JNI problem with plug-in project |
I am writing a JNI programme to call a windows api “GetShortPathNameA”.
When I am running this programme as standalone java programme, this works fine. However if I run this programme through eclipse plugin. This is giving a problem NoClassDefFoundError at CKernel32.INSTANCE.GetShortPathNameA(filePath, shortt, 256);
Even though the jars are in the class path for java project/plugin project. I am not sure how this will vary from normal java programme to plugin
Please help me what could be gone wrong here.
=======================================================================
public void run(IAction action) {
MessageDialog.openInformation(
window.getShell(),
"Short Path", new Hello().checkInsideFolder());
}
----------------------------------------------------------------------------------------------------------------------------------------------
package com.xyz.shortpath.actions;
import com.sun.jna.Native;
import com.sun.jna.examples.win32.Kernel32;
public class Hello {
public static interface CKernel32 extends Kernel32 {
CKernel32 INSTANCE = (CKernel32) Native.loadLibrary("kernel32",
CKernel32.class);
int GetShortPathNameA(String LongName, byte[] ShortName, int BufferCount);
}
public static String checkInsideFolder() {
String filePath = "C:\\Documents and Settings\\harib2\\Desktop\\swupdates.bmp";
String shortPath = null;
byte[] shortt = new byte[256];
int a = 0;
try {
a = CKernel32.INSTANCE.GetShortPathNameA(filePath, shortt, 256);
} catch (Exception e){
e.printStackTrace();
}
if (a != 0) {
shortPath = Native.toString(shortt);
return shortPath;
} else {
return shortPath;
}
}
// public static void main(String[] args) {
// String sample = checkInsideFolder();
// System.out.println(sample);
// }
}
Regards
Haribabu.M
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