If a class is compiled that does not have a package statement but is mistakenly
loaded in Javassist as though it did have a package statement then Javassist
will not detect this error and find the class and some methods will give
incorrect results but not thow an exception whilst others will throw an
exceptoion. EG:
| // NoPackage.java - note no package statement
| public class NoPackage {}
|
| // NoPackageTest.java - note has package statement
| package examples.javassisttests;
|
| import javassist.*;
|
|
| public class NoPackageTest {
| public static void main( final String[] notUsed ) throws
NotFoundException {
| final CtClass noPackage = ClassPool.getDefault().get(
"examples.javassisttests.NoPackage" );
| System.out.println( "package = " + noPackage.getPackageName() );
| System.out.println( "modifiers = " + noPackage.getModifiers() );
| }
| }
|
When run, the above produces:
C:\Personal\Java>java -classpath javassist.jar;.
examples.javassisttests.NoPackageTest
package = examples.javassisttests
Exception in thread "main" java.lang.RuntimeException: NoPackage in
examples/javassisttests/NoPackage.java
at javassist.CtClassType.getClassFile2(CtClassType.java:191)
at javassist.CtClassType.getModifiers(CtClassType.java:343)
at examples.javassisttests.NoPackageTest.main(NoPackageTest.java:10)
Showing that get found the class even though it shouldn't, getPackageName ran
but gave the incorrect package, and getModifiers threw an exception with a less
then ideal error message.
May I ask:
1. Is a known bug?
2. Is there a fix?
3. Any suggestions on how to code round the problem?
Keep up the good work, Howard.
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