private static SerialVersionUidResult computeSerialVersionUid(
JarArchiveComparatorOptions options,
Optional<CtClass> ctClassOptional,
JarArchiveComparator jarArchiveComparator) {
SerialVersionUidResult result = new SerialVersionUidResult();
if (ctClassOptional.isPresent()) {
CtClass ctClass = ctClassOptional.get();
if (isCtClassSerializable(options, ctClass, jarArchiveComparator)) {
result.serializable = true;
try {
CtField declaredField = ctClass.getDeclaredField(SERIAL_VERSION_UID);
Object constantValue = declaredField.getConstantValue();
if (constantValue instanceof Long) {
result.serialVersionUid = Optional.of((Long) constantValue);
}
} catch (Exception e) {
try {
SerialVersionUID.setSerialVersionUID(ctClass);
CtField declaredField = ctClass.getDeclaredField(SERIAL_VERSION_UID);
Object constantValue = declaredField.getConstantValue();
if (constantValue instanceof Long) {
result.serialVersionUidDefault = Optional.of((Long) constantValue);
}
ctClass.removeField(declaredField);
} catch (Exception ignored) {
}
}
if (!result.serialVersionUidDefault.isPresent()) {
try {
CtField declaredFieldOriginal = ctClass.getDeclaredField(SERIAL_VERSION_UID);
ctClass.removeField(declaredFieldOriginal);
SerialVersionUID.setSerialVersionUID(ctClass);
CtField declaredField = ctClass.getDeclaredField(SERIAL_VERSION_UID);
Object constantValue = declaredField.getConstantValue();
if (constantValue instanceof Long) {
result.serialVersionUidDefault = Optional.of((Long) constantValue);
}
ctClass.removeField(declaredField);
ctClass.addField(declaredFieldOriginal);
} catch (Exception ignored) {
}
}
}
}
return result;
}
private void testRemove2(CtClass cc, String fieldName) throws Exception {
CtField f = cc.getField(fieldName);
cc.removeField(f);
try {
CtField f2 = cc.getField(fieldName);
fail("the removed field still exists");
} catch (NotFoundException e) {
}
}
public void testRemove() throws Exception {
CtClass cc = sloader.get("test2.Remove");
testRemove2(cc, "f1");
testRemove2(cc, "f6");
testRemove2(cc, "f3");
CtField p = cc.getField("p");
try {
cc.removeField(p);
fail("non-existing field has been removed");
} catch (NotFoundException e) {
}
testRemove3(cc, "bar");
testRemove3(cc, "bar2");
testRemove4(cc, "(I)V");
cc.writeFile();
Object obj = make(cc.getName());
assertEquals(7, invoke(obj, "foo"));
}