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17 package org.apache.bcel.verifier;
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19 import org.apache.bcel.classfile.JavaClass;
20 import org.apache.bcel.classfile.Utility;
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27 public abstract class NativeVerifier {
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32 public static void main(final String[] args) {
33 if (args.length != 1) {
34 System.out.println("Verifier front-end: need exactly one argument.");
35 System.exit(1);
36 }
37 final int dotclasspos = args[0].lastIndexOf(JavaClass.EXTENSION);
38 if (dotclasspos != -1) {
39 args[0] = args[0].substring(0, dotclasspos);
40 }
41 args[0] = Utility.pathToPackage(args[0]);
42
43 try {
44 Class.forName(args[0]);
45 } catch (final ExceptionInInitializerError eiie) {
46 System.out.println("NativeVerifier: ExceptionInInitializerError encountered on '" + args[0] + "'.");
47 System.out.println(eiie);
48 System.exit(1);
49 } catch (final LinkageError le) {
50 System.out.println("NativeVerifier: LinkageError encountered on '" + args[0] + "'.");
51 System.out.println(le);
52 System.exit(1);
53 } catch (final ClassNotFoundException cnfe) {
54 System.out.println("NativeVerifier: FILE NOT FOUND: '" + args[0] + "'.");
55 System.exit(1);
56 } catch (final Throwable t) {
57 System.out.println("NativeVerifier: Unspecified verification error on '" + args[0] + "'.");
58 System.exit(1);
59 }
60 System.out.println("NativeVerifier: Class file '" + args[0] + "' seems to be okay.");
61 System.exit(0);
62 }
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67 private NativeVerifier() {
68 }
69 }