Examples of com.alibaba.citrus.asm.ClassReader

com.alibaba.citrus.asm.ClassReader
A Java class parser to make a {@link ClassVisitor} visit an existing class.This class parses a byte array conforming to the Java class file format and calls the appropriate visit methods of a given class visitor for each field, method and bytecode instruction encountered. @author Eric Bruneton @author Eugene Kuleshov

            for (int i = 0; i < files.length; ++i) {
                optimize(files[i], d, remapper);
            }
        } else if (f.getName().endsWith(".class")) {
            ConstantPool cp = new ConstantPool();
            ClassReader cr = new ClassReader(new FileInputStream(f));
            ClassWriter cw = new ClassWriter(0);
            ClassConstantsCollector ccc = new ClassConstantsCollector(cw, cp);
            ClassOptimizer co = new ClassOptimizer(ccc, remapper);
            cr.accept(co, ClassReader.SKIP_DEBUG);


            Set constants = new TreeSet(new ConstantComparator());
            constants.addAll(cp.values());


            cr = new ClassReader(cw.toByteArray());
            cw = new ClassWriter(0);
            Iterator i = constants.iterator();
            while (i.hasNext()) {
                Constant c = (Constant) i.next();
                c.write(cw);
            }
            cr.accept(cw, ClassReader.SKIP_DEBUG);


            if (MAPPING.getProperty(cr.getClassName() + "/remove") != null) {
                return;
            }
            String n = remapper.mapType(cr.getClassName());
            File g = new File(d, n + ".class");
            if (!g.exists() || g.lastModified() < f.lastModified()) {
                g.getParentFile().mkdirs();
                OutputStream os = new FileOutputStream(g);
                os.write(cw.toByteArray());

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                if (ze.isDirectory()) {
                    continue;
                }
                out.putNextEntry(ze);
                if (ze.getName().endsWith(".class")) {
                    ClassReader cr = new ClassReader(zf.getInputStream(ze));
                    // cr.accept(new ClassDump(), 0);
                    cr.accept(new ClassVerifier(), 0);
                }
                InputStream is = zf.getInputStream(ze);
                int n;
                do {
                    n = is.read(buf, 0, buf.length);

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        if (args.length != 1) {
            System.err.println("Verifies the given class.");
            System.err.println("Usage: CheckClassAdapter " + "<fully qualified class name or class file name>");
            return;
        }
        ClassReader cr;
        if (args[0].endsWith(".class")) {
            cr = new ClassReader(new FileInputStream(args[0]));
        } else {
            cr = new ClassReader(args[0]);
        }


        verify(cr, false, new PrintWriter(System.err));
    }

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            // }


            boolean singleInputDocument = inRepresentation == SINGLE_XML;
            if (inRepresentation == BYTECODE) { // read bytecode and process it
                // with handler
                ClassReader cr = new ClassReader(readEntry(zis, ze));
                cr.accept(new SAXClassAdapter(handler, singleInputDocument), 0);


            } else { // read XML and process it with handler
                XMLReader reader = XMLReaderFactory.createXMLReader();
                reader.setContentHandler(handler);
                reader.parse(new InputSource(singleInputDocument ? (InputStream) new ProtectedInputStream(zis)

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            System.err.println("Prints the ASM code to generate the given class.");
            System.err.println("Usage: ASMifierClassVisitor [-debug] "
                    + "<fully qualified class name or class file name>");
            return;
        }
        ClassReader cr;
        if (args[i].endsWith(".class") || args[i].indexOf('\\') > -1 || args[i].indexOf('/') > -1) {
            cr = new ClassReader(new FileInputStream(args[i]));
        } else {
            cr = new ClassReader(args[i]);
        }
        cr.accept(new ASMifierClassVisitor(new PrintWriter(System.out)), getDefaultAttributes(), flags);
    }

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            System.err.println("Prints a disassembled view of the given class.");
            System.err
                    .println("Usage: TraceClassVisitor [-debug] " + "<fully qualified class name or class file name>");
            return;
        }
        ClassReader cr;
        if (args[i].endsWith(".class") || args[i].indexOf('\\') > -1 || args[i].indexOf('/') > -1) {
            cr = new ClassReader(new FileInputStream(args[i]));
        } else {
            cr = new ClassReader(args[i]);
        }
        cr.accept(new TraceClassVisitor(new PrintWriter(System.out)), getDefaultAttributes(), flags);
    }

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                        // ���asm�ļ�
                        File asmFile = new File(classDir, baseFile.getName() + ".asm");
                        out = new BufferedOutputStream(new FileOutputStream(asmFile));


                        try {
                            ClassReader cr = new ClassReader(bytes);
                            PrintWriter pw = new PrintWriter(new OutputStreamWriter(out, "UTF-8"));
                            TraceClassVisitor tcv = new TraceClassVisitor(null, pw);


                            cr.accept(tcv, 0);
                            pw.flush();
                        } finally {
                            out.close();
                        }
                    } catch (IOException e) {

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