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

Example 11 with RETURN

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

the class ProxyGenerator method findJavaVersion.

private int findJavaVersion(final Class<?> from) {
    final String resource = from.getName().replace('.', '/') + ".class";
    try (final InputStream stream = from.getClassLoader().getResourceAsStream(resource)) {
        if (stream == null) {
            return javaVersion;
        }
        final ClassReader reader = new ClassReader(stream);
        final VersionVisitor visitor = new VersionVisitor();
        reader.accept(visitor, SKIP_DEBUG);
        if (visitor.version != 0) {
            return visitor.version;
        }
    } catch (final Exception e) {
    // no-op
    }
    // version
    return javaVersion;
}

Example 12 with RETURN

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

the class PluginGenerator method createService.

private byte[] createService(final JarOutputStream outputStream, final String packageName, final String name) throws IOException {
    final String className = packageName + "/AService.class";
    outputStream.putNextEntry(new ZipEntry(className));
    final ClassWriter writer = new ClassWriter(COMPUTE_FRAMES);
    writer.visitAnnotation(Type.getDescriptor(Service.class), true).visitEnd();
    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);
    final MethodVisitor action = writer.visitMethod(ACC_PUBLIC, "doAction", "(L" + packageName + "/AModel;)L" + packageName + "/AModel;", null, new String[0]);
    final AnnotationVisitor actionAnnotation = action.visitAnnotation(Type.getDescriptor(Action.class), true);
    actionAnnotation.visit("family", "proc");
    actionAnnotation.visit("value", name + "Action");
    actionAnnotation.visitEnd();
    action.visitCode();
    action.visitTypeInsn(NEW, packageName + "/AModel");
    action.visitInsn(DUP);
    action.visitMethodInsn(INVOKESPECIAL, packageName + "/AModel", "<init>", "()V", false);
    action.visitInsn(ARETURN);
    action.visitInsn(ARETURN);
    action.visitMaxs(1, 1);
    action.visitEnd();
    writer.visitEnd();
    return writer.toByteArray();
}

Example 13 with RETURN

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

the class PluginGenerator method addConstructor.

private void addConstructor(final ClassWriter writer) {
    final MethodVisitor constructor = writer.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
    constructor.visitCode();
    constructor.visitVarInsn(ALOAD, 0);
    constructor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
    constructor.visitInsn(RETURN);
    constructor.visitMaxs(1, 1);
    constructor.visitEnd();
}

Example 14 with RETURN

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

the class PluginGenerator method createProcessor.

private byte[] createProcessor(final JarOutputStream outputStream, final String packageName) throws IOException {
    final String className = packageName + "/AProcessor.class";
    outputStream.putNextEntry(new ZipEntry(className));
    final ClassWriter writer = new ClassWriter(COMPUTE_FRAMES);
    final AnnotationVisitor processorAnnotation = writer.visitAnnotation(Type.getDescriptor(Processor.class), true);
    processorAnnotation.visit("family", "comp");
    processorAnnotation.visit("name", "proc");
    processorAnnotation.visitEnd();
    writer.visit(V1_8, ACC_PUBLIC + ACC_SUPER, className.substring(0, className.length() - ".class".length()), null, Type.getInternalName(Object.class), new String[] { Serializable.class.getName().replace(".", "/") });
    writer.visitSource(className.replace(".class", ".java"), null);
    addConstructor(writer);
    // generate a processor
    final MethodVisitor emitMethod = writer.visitMethod(ACC_PUBLIC, "emit", "(L" + packageName + "/AModel;)L" + packageName + "/AModel;", null, new String[0]);
    emitMethod.visitAnnotation(Type.getDescriptor(ElementListener.class), true).visitEnd();
    emitMethod.visitCode();
    emitMethod.visitTypeInsn(NEW, packageName + "/AModel");
    emitMethod.visitInsn(DUP);
    emitMethod.visitMethodInsn(INVOKESPECIAL, packageName + "/AModel", "<init>", "()V", false);
    emitMethod.visitInsn(ARETURN);
    emitMethod.visitInsn(ARETURN);
    emitMethod.visitMaxs(1, 1);
    emitMethod.visitEnd();
    writer.visitEnd();
    return writer.toByteArray();
}

Example 15 with RETURN

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

the class BeamIOTransformer method rewrite.

private byte[] rewrite(final ConfigurableClassLoader loader, final String className, final byte[] classfileBuffer, final ClassLoader tmpLoader) {
    final String plugin = loader.getId();
    final ClassReader reader = new ClassReader(classfileBuffer);
    final ComponentClassWriter writer = new ComponentClassWriter(className.replace('/', '.'), tmpLoader, reader, ClassWriter.COMPUTE_FRAMES);
    final ComponentClassVisitor visitor = new ComponentClassVisitor(writer, plugin);
    reader.accept(visitor, ClassReader.SKIP_FRAMES);
    return writer.toByteArray();
}