For quick access, the sezpoz library stores lists in
META-INF/annotations/ of classes that have been annotated in a
special way.
To support the use case where the annotations actually changed since
sezpoz stored said lists, sezpoz then creates proxy instances for the
annotations to provide some backwards compatibility: as long as there
are default values for any newly-introduced annotation values,
everything is groovy.
Therefore, let's make sure that proxy instances inherit the
annotations' default values.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
We should pass the method of the original interface to the
InvocationHandler, not the method of the interface.
That way, proxy instances of annotations will have easy access to
the default values.
This happens to be compatible with the way Oracle Java does it, too.
To accomplish our goal, we keep a global map between proxy classes and
Method references and assign the appropriate list to a field of the
Proxy subclass. This means that we now have to call the super-class
constructor in the generated constructor (which is the correct thing to
do anyway... ;-)).
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
This is only a cosmetic change, but we should not call getName()
over and over again ;-)
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Proxies implement interfaces whose methods *must* be public, as per the
specification of the Java language.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Earlier, if the annotations were already up-to-date (but
Annotations.class not), the compilation would fail.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
When the class whose field is to be inspected has no annotations at all,
at least my javac here (1.6.0_51 on MacOSX) does not produce any class
addendum.
Therefore, let's verify that the addendum is not null before proceeding.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
This is done by implementing the readObject()/writeObject() method
pair as demanded by the serialization specification. The specifics
were reverse-engineered from serializing trivial TreeMap instances
with OpenJDK.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
This will be needed for Java-compatible serialization of tree maps.
Note that the field should be null when the TreeMap uses the default
comparator.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
We punted previously on any serializable super class' descriptor and
simply expected the super class not to be serializable (and consequently,
we expected the respective descriptor to be null). However, for quite
common classes, e.g. OpenJDK's Double class, this is not true.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
There are serialized objects out in the wild which make heavy use of
TC_REFERENCE: for example when an object has a reference to itself.
Therefore we need to support that, too.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
We punted previously on any serializable super class' descriptor and
simply expected the super class not to be serializable (and consequently,
we expected the respective descriptor to be null).
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
The specification of the Java deserialization demands that a private
readObject(ObjectOutputStream) method is used -- if it exists. In
that case, ObjectInputStream must not initialize the contents of the
fields (called 'classdata[]' in the documentation) but offer that
functionality via the defaultReadObject() method.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
The specification of the Java serialization demands that a private
writeObject(ObjectOutputStream) method is used -- if it exists. In that
case, ObjectOutputStream must not write the contents of the fields
(called 'classdata[]' in the documentation) but offer that via the
defaultWriteObject() method.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
The serialization protocol specifies a quick method to serialize
a String (because that is so common an operation): TC_STRING +
(short)length + bytes. Let's use that, also to make it easier to test
the upcoming changes to TreeMap harmonizing that Avian's serialization
of said class with OpenJDK's.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
This is by no means a complete support for the deserialization compliant
to the Java Language Specification, but it is better to add the support
incrementally, for better readability of the commits.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
The Java Language Specification documents the serialization protocol
implemented by this change set:
http://docs.oracle.com/javase/7/docs/platform/serialization/spec/protocol.html#10258
This change is intended to make it easier to use Avian VM as a drop-in
replacement for the Oracle JVM when serializing objects.
The previous serialization code is still available as
avian.LegacyObjectInputStream.
This commit only implements the non-object parts of the deserialization
specification.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
The Java Language Specification documents the serialization protocol
implemented by this change set:
http://docs.oracle.com/javase/7/docs/platform/serialization/spec/protocol.html#10258
This change is intended to make it easier to use Avian VM as a drop-in
replacement for the Oracle JVM when serializing objects.
The previous serialization code is still available as
avian.LegacyObjectOutputStream.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Previously, we initialized it to the boot class loader, but that is
inconsistent with Java; if compiling against OpenJDK's class library,
the context class loader is therefore initialized to the app class
loader, too.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
... otherwise, logging would throw an exception when trying to
determine whether the current level allows the message to be logged.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
