Examples with RETURN org.apache.xbean.asm6.Opcodes.RETURN used on opensource projects

Example 1 with RETURN

use of org.apache.xbean.asm6.Opcodes.RETURN in project geronimo-xbean by apache.

the class XbeanAsmParameterNameLoader method createClassReader.

private static ClassReader createClassReader(Class declaringClass) throws IOException {
    InputStream in = null;
    try {
        ClassLoader classLoader = declaringClass.getClassLoader();
        in = classLoader.getResourceAsStream(declaringClass.getName().replace('.', '/') + ".class");
        ClassReader reader = new ClassReader(in);
        return reader;
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (IOException ignored) {
            }
        }
    }
}

Example 2 with RETURN

use of org.apache.xbean.asm6.Opcodes.RETURN in project component-runtime by Talend.

the class PluginGenerator method createChainPlugin.

public File createChainPlugin(final File dir, final String plugin) {
    final File target = new File(dir, plugin);
    try (final JarOutputStream outputStream = new JarOutputStream(new FileOutputStream(target))) {
        final String packageName = toPackage(target.getParentFile().getParentFile().getName()).replace(".", "/");
        final String sourcePackage = "org/talend/test";
        final String fromPack = sourcePackage.replace('/', '.');
        final String toPack = packageName.replace('.', '/');
        final File root = new File(jarLocation(getClass()), sourcePackage);
        ofNullable(root.listFiles()).map(Stream::of).orElseGet(Stream::empty).filter(c -> c.getName().endsWith(".class")).forEach(clazz -> {
            try (final InputStream is = new FileInputStream(clazz)) {
                final ClassReader reader = new ClassReader(is);
                final ClassWriter writer = new ClassWriter(COMPUTE_FRAMES);
                reader.accept(new ClassRemapper(writer, new Remapper() {

                    @Override
                    public String map(final String key) {
                        return key.replace(sourcePackage, toPack).replace(fromPack, packageName);
                    }
                }), EXPAND_FRAMES);
                outputStream.putNextEntry(new JarEntry(toPack + '/' + clazz.getName()));
                outputStream.write(writer.toByteArray());
            } catch (final IOException e) {
                fail(e.getMessage());
            }
        });
    } catch (final IOException e) {
        throw new IllegalStateException(e);
    }
    return target;
}

Example 3 with RETURN

use of org.apache.xbean.asm6.Opcodes.RETURN in project component-runtime by Talend.

the class PluginGenerator method createChainPlugin.

public File createChainPlugin(final File dir, final String plugin) {
    final File target = new File(dir, plugin);
    try (final JarOutputStream outputStream = new JarOutputStream(new FileOutputStream(target))) {
        final String packageName = toPackage(target.getParentFile().getParentFile().getName()).replace(".", "/");
        final String sourcePackage = "org/talend/test";
        final String fromPack = sourcePackage.replace('/', '.');
        final String toPack = packageName.replace('.', '/');
        final File root = new File(jarLocation(getClass()), sourcePackage);
        ofNullable(root.listFiles()).map(Stream::of).orElseGet(Stream::empty).filter(c -> c.getName().endsWith(".class")).forEach(clazz -> {
            try (final InputStream is = new FileInputStream(clazz)) {
                final ClassReader reader = new ClassReader(is);
                final ClassWriter writer = new ClassWriter(COMPUTE_FRAMES);
                reader.accept(new ClassRemapper(writer, new Remapper() {

                    @Override
                    public String map(final String key) {
                        return key.replace(sourcePackage, toPack).replace(fromPack, packageName);
                    }
                }), EXPAND_FRAMES);
                outputStream.putNextEntry(new JarEntry(toPack + '/' + clazz.getName()));
                outputStream.write(writer.toByteArray());
            } catch (final IOException e) {
                fail(e.getMessage());
            }
        });
    } catch (final IOException e) {
        throw new IllegalStateException(e);
    }
    return target;
}

Example 4 with RETURN

use of org.apache.xbean.asm6.Opcodes.RETURN in project component-runtime by Talend.

the class PluginGenerator method createModel.

private byte[] createModel(final JarOutputStream outputStream, String packageName) throws IOException {
    final String className = packageName + "/AModel.class";
    outputStream.putNextEntry(new ZipEntry(className));
    final ClassWriter writer = new ClassWriter(COMPUTE_FRAMES);
    writer.visit(V1_8, ACC_PUBLIC + ACC_SUPER, className.substring(0, className.length() - ".class".length()), null, Type.getInternalName(Object.class), null);
    writer.visitSource(className.replace(".class", ".java"), null);
    addConstructor(writer);
    // no real content (fields/methods) for now
    writer.visitEnd();
    return writer.toByteArray();
}

Example 5 with RETURN

use of org.apache.xbean.asm6.Opcodes.RETURN in project component-runtime by Talend.

the class ProxyGenerator method createConstructor.

private String createConstructor(final ClassWriter cw, final Class<?> classToProxy, final String classFileName, final String proxyClassFileName, final Constructor<?> constructor, final boolean withInterceptors) {
    try {
        Constructor superDefaultCt;
        String parentClassFileName;
        String[] exceptions = null;
        if (classToProxy.isInterface()) {
            parentClassFileName = Type.getInternalName(Object.class);
            superDefaultCt = Object.class.getConstructor();
        } else {
            parentClassFileName = classFileName;
            if (constructor == null) {
                superDefaultCt = classToProxy.getConstructor();
            } else {
                superDefaultCt = constructor;
                Class<?>[] exceptionTypes = constructor.getExceptionTypes();
                exceptions = exceptionTypes.length == 0 ? null : new String[exceptionTypes.length];
                for (int i = 0; i < exceptionTypes.length; i++) {
                    exceptions[i] = Type.getInternalName(exceptionTypes[i]);
                }
            }
        }
        final String descriptor = Type.getConstructorDescriptor(superDefaultCt);
        final MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "<init>", descriptor, null, exceptions);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        if (constructor != null) {
            for (int i = 1; i <= constructor.getParameterTypes().length; i++) {
                mv.visitVarInsn(ALOAD, i);
            }
        }
        mv.visitMethodInsn(INVOKESPECIAL, parentClassFileName, "<init>", descriptor, false);
        if (withInterceptors) {
            mv.visitVarInsn(ALOAD, 0);
            mv.visitInsn(ACONST_NULL);
            mv.visitFieldInsn(PUTFIELD, proxyClassFileName, FIELD_INTERCEPTOR_HANDLER, Type.getDescriptor(InterceptorHandler.class));
        }
        mv.visitInsn(RETURN);
        mv.visitMaxs(-1, -1);
        mv.visitEnd();
        return parentClassFileName;
    } catch (final NoSuchMethodException e) {
        throw new IllegalStateException(e);
    }
}