Can GCs trigger a method in my app instead of just writing into logs?

I'm using the -Xverbose:memory -Xverbosetimestamp flags, which add lines like this into the logs:
[memory ][Wed Dec 01 19:41:48 2010][02644] 30937.279: parallel nursery GC 1048299K->790897K (1048576K), 35.341 ms
[memory ][Wed Dec 01 19:46:58 2010][02644] 31247.265: parallel nursery GC 1048529K->1048576K (1048576K), 31.378 ms
[memory ][Wed Dec 01 19:46:59 2010][02644] 31247.297-31247.921: GC 1048576K->413679K (1048576K), 624.106 ms
[memory ][Wed Dec 01 19:53:48 2010][02644] 31657.323: parallel nursery GC 759290K->480904K (1048576K), 34.962 ms
[memory ][Wed Dec 01 19:59:18 2010][02644] 31987.334: parallel nursery GC 759327K->500147K (1048576K), 34.632 ms
But is there more efficient way to get this information from my application aside from polling the log and parsing? I'm using WebLogic 10.3.3 and JRockit 28.0.1.
Thanks,
-Bill

I like to monitor the free memory after each OC to see whether I'm running out of memory. My users can run their own beanshell scripts within our product and sometimes run the system out of memory. If I can detect it before the system goes down, I can do some extra logging. Ideally, I'd liike to kill the thread, but I'm guessing that cannot be done without creating a bad state (like the server is running but not responding to new requests).
Anyway, I've looked at Chapter 12 (got the book right here) and I don't see quite what I'm looking for. I see the perf counters but I think I would have to poll those instead of having it pushed to me. Any suggestions?
-Bill

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I presently have a set up where a large SWF file brought on the stage by clicking small icons from the scrollable thumbnail menu on the bottom of the stage. All of it happens at the same frame with .xml loading file.
Here is the code for constructing the ImageLoader(for thumbnails) and SWFLoader for (bigger SWF files)
[CODE]
   function _xmlCompleteHandler(event:LoaderEvent):void {
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               height:_THUMB_HEIGHT,
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               //x:260, y:320,//doesn't work here but works in line 69
               scaleMode:"proportionalInside",
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               estimatedBytes:13000,
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                height:_IMAGE_HEIGHT,
                //centerRegistration:true,//messes up the code as places SWFLoader in the upper left corner which is 0,0 coordinates
                x:0, y:144,
                scaleMode:"proportionalInside",
                bgColor:0x000000,
                estimatedBytes:820000,
                onFail:_imageFailHandler})
[/CODE]
Here is what I would like to resolve. I have another section on the site with an image collage. Every image is a button. I want to script this each image on click to go to the label with ImageLoader and SWFLoader AND TO OPEN A UNIQUE SWF (ASSOCIATED WITH AN IMAGE CLICKED) ON THAT PAGE
Previously this is what I did to achieve it. I would specify a String:
[CODE]
var sourceVar_ProductsPopUps:String;
[/CODE]
and then all my buttons will have their unique SWF assigned for them which opens at another labeled section ("prdctsPopUps" in this example):
[CODE]
function onClickSumix1PopUp(event:MouseEvent):void {
sourceVar_ProductsPopUps="prdcts_popups/sumix1-popup_tl.swf";
gotoAndPlay("prdctsPopUps");
[/CODE]
Then in the "prdctsPopUps" section I would specify that var string to bring up SWF files. The value of sourceVar_ProductsPopUps allows to load mulitple SWFs from the previous page.
[CODE]
loaderProductPopUps = new SWFLoader(sourceVar_ProductsPopUps,
[/CODE]
But I need both of them to be working at the same time. First there is a sectionA from where a user can navigate to specifically targeted SWF to section B's SWFLoader. Then in the section B a user has an option to bring up other SWF files into SWFLoader from the scrollable thumbs menu. Is there a way to combine these two lines into one:
[CODE]
          new SWFLoader("loadingAssets/appThumbnails/slideshow_image scroller greenSock_mine/assets/images/" + image.@name + ".swf",
[/CODE]
and
[CODE]
new SWFLoader(sourceVar_ProductsPopUps,
[/CODE]

Thanks for looking into my issue.
Unfortunatelly I am not so advanced in AS and do not complitely understand the logic of the problem. I will try to decribe my set up more precise.
So, my main flash file is broken into labeled sections on the main time line.
One of the sections is "Applications" It has an animated collage of images. Each image acts as a button and once clicked brings a user to a section called "ApplicationsPopUps".
"ApplicationsPopUps" section has small image thumbnails scroll menu at the bottom of the screen and a large SWFLoader in the middle of the screen. User can click on an image in the thumbnails scroll menu and a corresponding SWF file will load in the middle of the screen in SWFLoader. User can click on left/right navigation buttons and preceeding/following SWF file will load in SWFLoader.
Everything works fine (with your previous help)
Here is the working code for the ImageLoader and SWFLoader (please let me know if you need additional code on the page):
function _xmlCompleteHandler(event:LoaderEvent):void {        _slides = [];       var xml:XML = event.target.content; //the XMLLoader's "content" is the XML that was loaded.        var imageList:XMLList = xml.image; //In the XML, we have nodes with all the info we need.        //loop through each node and create a Slide object for each.       for each (var image:XML in imageList) {         _slides.push( new Slide(image.@name,               image.@description,               new ImageLoader("loadingAssets/appThumbnails/slideshow_image scroller greenSock_mine/assets/thumbnails/appThmb_imgs/" + image.@name + ".jpg",               {                    name:image.@name + "Thumb",                    width:_THUMB_WIDTH,                    height:_THUMB_HEIGHT,                    //centerRegistration:true,//messes up the code as places SWFLoader in the upper left corner which is 0,0 coordinates                    //x:260, y:320,//doesn't work here but works in line 69                   scaleMode:"proportionalInside",                    bgColor:0x000000,                    estimatedBytes:13000,                    onFail:_imageFailHandler}),                 new SWFLoader("loadingAssets/appThumbnails/slideshow_image scroller greenSock_mine/assets/images/" + image.@name + ".swf",                   {                     name:image.@name + "Image",                     width:_IMAGE_WIDTH,                     height:_IMAGE_HEIGHT,                     //centerRegistration:true,//messes up the code as places SWFLoader in the upper left corner which is 0,0 coordinates                   x:0, y:144,                     scaleMode:"proportionalInside",                     bgColor:0x000000,                     estimatedBytes:820000,                     onFail:_imageFailHandler})
Thumbnails in the section "ApplicationsPopUps" and images in the image collage in the section "Applications" represent the same photographs. So when a user clicks on one of the images in "Applications" section it would be natural that that image will load in the "ApplicationsPopUps" section. However "ApplicationsPopUps" section presently has a working code (as sampled above) It looks too complex for me and I do not know hot to implement this feature. I do want to keep the functionality of the thumbs image scroller in section "ApplicationsPopUps" as it is now. But I want to add that when a user click on an image from section"Applications" then that particular SWF file will load in SWFLoader in section "ApplicationsPopUps" and then the present functionality can as well be exectuted. Presently it just opens on a first image in xml order.
P.S. I see that you had a download link in your answer. How did you do it? I could also upload a small sample file with my problem. This way you could see all the set up right away.

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**** 3
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Can GCs trigger a method in my app instead of just writing into logs?

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