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package org.glavo.javah;
import java.io.InputStream;
import java.nio.file.Paths;
import java.util.jar.Manifest;
public class Main {
private static final String HELP_MESSAGE =
"usage:\n" +
" gjavah [options] <classes>\n" +
"where [options] include:\n" +
" -o <file> Output file (only one of -d or -o may be used)\n" +
" -d <dir> Output directory\n" +
" --module-path <path> Path from which to search modules\n" +
" --class-path <path> | " +
"-classpath <path> | -cp <path>\n" +
" " +
" Path from which to search classes\n" +
" --version Print version information\n" +
" -h --help -? Print this message";
public static void main(String[] args) throws Exception {
if (args.length == 0) {
System.err.println(HELP_MESSAGE);
System.exit(-1);
}
JavahTask task = new JavahTask();
task.addRuntimeClasspath();
loop:
for (int i = 0; i < args.length; i++) {
String arg = args[i];
switch (arg) {
case "--version":
case "-version":
try (InputStream in = Main.class.getResourceAsStream("/META-INF/MANIFEST.MF")) {
Manifest manifest = new Manifest(in);
System.out.println("gjavah version: " + manifest.getMainAttributes().getValue("GJavah-Version"));
}
return;
case "-h":
case "--help":
case "-help":
case "-?":
System.out.println(HELP_MESSAGE);
return;
case "-o":
task.setOutputToSignalFile(true);
task.setOutputPath(Paths.get(args[++i]));
break;
case "-d":
task.setOutputToSignalFile(false);
task.setOutputPath(Paths.get(args[++i]));
break;
case "--module-path":
task.addModulePaths(args[++i]);
break;
case "--class-path":
case "--classpath":
case "-classpath":
case "-cp":
task.addClasspaths(args[++i]);
break;
default:
while (i < args.length) {
task.addClass(args[i++]);
}
}
}
task.run();
}
}
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