Example usage for org.aspectj.weaver IWeaveRequestor addingTypeMungers

Introduction

In this page you can find the example usage for org.aspectj.weaver IWeaveRequestor addingTypeMungers.

Prototype

void addingTypeMungers();

Source Link

Usage

From source file:org.caesarj.compiler.aspectj.CaesarWeaver.java

License:Open Source License

public void performWeaving(CaesarBcelWorld world, final IWeaveRequestor listener)
        throws IOException, PositionedError, UnpositionedError {
    try {//ww w .j ava  2 s. com
        /*
        // Create an array containing the unwoven files...
        UnwovenClassFile unwovenClassFiles[] = 
          (UnwovenClassFile[])unwovenClasses.toArray(new UnwovenClassFile[0]);
        BcelWeaver   weaver = new BcelWeaver(world.getWorld());
        // ... and feed it into the waever ...
        for (int i = 0; i < unwovenClassFiles.length; i++)
          weaver.addClassFile(unwovenClassFiles[i]);
        // ... to do the weaving!
        weaver.weave(); */

        // Changed for version 1.2.1 of aspectj weaver
        BcelWeaver weaver = new CaesarBcelWeaver(world.getWorld());

        weaver.setReweavableMode(true, false);
        for (int i = 0; i < unwovenClasses.size(); i++)
            weaver.addClassFile((UnwovenClassFile) unwovenClasses.get(i));
        weaver.prepareForWeave();

        IClassFileProvider provider = new IClassFileProvider() {

            public Iterator getClassFileIterator() {
                return unwovenClasses.iterator();
            }

            public IWeaveRequestor getRequestor() {
                return new IWeaveRequestor() {
                    public void acceptResult(UnwovenClassFile result) {

                        if (result != null) {
                            String className = result.getClassName().replace('.', '/');
                            try {
                                BufferedOutputStream os = FileUtil
                                        .makeOutputStream(new File(destination + "/" + className + ".class"));
                                os.write(result.getBytes());
                                os.close();
                            } catch (IOException ex) {
                                ex.printStackTrace();
                            }
                        }
                        if (listener != null)
                            listener.acceptResult(result);
                    }

                    public void processingReweavableState() {
                        if (listener != null)
                            listener.processingReweavableState();
                    }

                    public void addingTypeMungers() {
                        if (listener != null)
                            listener.addingTypeMungers();
                    }

                    public void weavingAspects() {
                        if (listener != null)
                            listener.weavingAspects();
                    }

                    public void weavingClasses() {
                        if (listener != null)
                            listener.weavingClasses();
                    }

                    public void weaveCompleted() {
                        if (listener != null)
                            listener.weaveCompleted();
                    }
                };
            }
        };
        weaver.weave(provider);

    } catch (AbortException e) {
        // Create a wrapper for the catched exception
        if (e.getIMessage() != null && e.getIMessage().getSourceLocation() != null) {
            throw new PositionedError(
                    new TokenReference(e.getIMessage().getSourceLocation().getSourceFile().getName(),
                            e.getIMessage().getSourceLocation().getLine()),
                    new Message(CaesarMessages.WEAVER_ERROR, e.getMessage()));
        } else {
            throw new UnpositionedError(new Message(CaesarMessages.WEAVER_ERROR, e.getMessage()));
        }
    }
}

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