Weaving an aspect into single class in jar [message #71057] |
Wed, 16 January 2008 09:38 |
Eclipse User |
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Originally posted by: nullnullschneider.gmail.com
Hey there,
I have the following problem:
There is a jar file "test.jar" that contains only class files and no source.
Lets say test.jar has the following files
/p1/class1.class
/p1/class2.class
/p2/class3.class
Now I want to weave an aspect only into /p1/class1.class!
When I do it via commandline I get an error.
ajc -1.5 @classes_1.lst -d injectedProject Injector_1.aj -inpath inject
where classes_1.lst contains /p1/class1.class
Is this possible to do this? Can the compiler access single class files in a
jar archive? How do I have to address them? How do I tell the compiler which
class files it should use?
The source of this problem is a massive memory usage when I weave it into
the whole jar at once. Therefore I want to use multiple compiler calls and
weave it step by step. Would the incremental weaving supported by the
compiler also be an alternative?
Thanks,
Daniel
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Re: Weaving an aspect into single class in jar [message #71121 is a reply to message #71057] |
Wed, 23 January 2008 19:42 |
Eclipse User |
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Originally posted by: nullnullschneider.gmail.com
Hm, ok I try to formulate it in another way.
1) I have an aspect called aspect1.aj and a class file called MyClass.class
How do I tell ajc to weave aspect1.aj into MyClass.class? I do NOT have
the .java files.
ajc /path/to/aspect1.aj /path/to/MyClass.class
it does not work :(
2) If this class is located in a jar archive called MyJar.jar. There are
also some other classes included but I only want to inject the aspect into
the class MyClass.class
According to my previous example I tried
ajc /path/to/aspect1.aj /path/to/MyJar.jar!/MyClass.class
it does not work :(
if I use
ajc /path/to/aspect1.aj -inpath /path/to/MyJar.jar
it works fine but the aspect is injected into every class file!?! Am I
right?
An idea is to extract the jar and address the single class file and put it
all back into a jar. But the problem 1 still remains ;)
Any help? It should not be that complicated but i don't get it!
Geets,
Daniel
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Re: Weaving an aspect into single class in jar [message #596639 is a reply to message #71057] |
Wed, 23 January 2008 19:42 |
Eclipse User |
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Originally posted by: nullnullschneider.gmail.com
Hm, ok I try to formulate it in another way.
1) I have an aspect called aspect1.aj and a class file called MyClass.class
How do I tell ajc to weave aspect1.aj into MyClass.class? I do NOT have
the .java files.
ajc /path/to/aspect1.aj /path/to/MyClass.class
it does not work :(
2) If this class is located in a jar archive called MyJar.jar. There are
also some other classes included but I only want to inject the aspect into
the class MyClass.class
According to my previous example I tried
ajc /path/to/aspect1.aj /path/to/MyJar.jar!/MyClass.class
it does not work :(
if I use
ajc /path/to/aspect1.aj -inpath /path/to/MyJar.jar
it works fine but the aspect is injected into every class file!?! Am I
right?
An idea is to extract the jar and address the single class file and put it
all back into a jar. But the problem 1 still remains ;)
Any help? It should not be that complicated but i don't get it!
Geets,
Daniel
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