Examples with StringSwitchWriter io.micronaut.inject.writer.StringSwitchWriter used on opensource projects

Example 1 with StringSwitchWriter

use of io.micronaut.inject.writer.StringSwitchWriter in project micronaut-core by micronaut-projects.

the class BeanIntrospectionWriter method buildFindIndexedProperty.

private void buildFindIndexedProperty(ClassWriter classWriter) {
    if (indexByAnnotationAndValue.isEmpty()) {
        return;
    }
    GeneratorAdapter writer = new GeneratorAdapter(classWriter.visitMethod(Opcodes.ACC_PROTECTED | Opcodes.ACC_FINAL, FIND_INDEXED_PROPERTY_METHOD.getName(), FIND_INDEXED_PROPERTY_METHOD.getDescriptor(), null, null), ACC_PROTECTED | Opcodes.ACC_FINAL, FIND_INDEXED_PROPERTY_METHOD.getName(), FIND_INDEXED_PROPERTY_METHOD.getDescriptor());
    writer.loadThis();
    writer.loadArg(0);
    writer.invokeVirtual(Type.getType(Class.class), new Method("getName", Type.getType(String.class), new Type[] {}));
    int classNameLocal = writer.newLocal(Type.getType(String.class));
    writer.storeLocal(classNameLocal);
    writer.loadLocal(classNameLocal);
    new StringSwitchWriter() {

        @Override
        protected Set<String> getKeys() {
            return indexByAnnotationAndValue.keySet().stream().map(s -> s.annotationName).collect(Collectors.toSet());
        }

        @Override
        protected void pushStringValue() {
            writer.loadLocal(classNameLocal);
        }

        @Override
        protected void onMatch(String annotationName, Label end) {
            if (indexByAnnotationAndValue.keySet().stream().anyMatch(s -> s.annotationName.equals(annotationName) && s.value == null)) {
                Label falseLabel = new Label();
                writer.loadArg(1);
                writer.ifNonNull(falseLabel);
                String propertyName = indexByAnnotationAndValue.get(new AnnotationWithValue(annotationName, null));
                int propertyIndex = getPropertyIndex(propertyName);
                writer.loadThis();
                writer.push(propertyIndex);
                writer.invokeVirtual(introspectionType, FIND_PROPERTY_BY_INDEX_METHOD);
                writer.returnValue();
                writer.visitLabel(falseLabel);
            } else {
                Label falseLabel = new Label();
                writer.loadArg(1);
                writer.ifNonNull(falseLabel);
                writer.goTo(end);
                writer.visitLabel(falseLabel);
            }
            Set<String> valueMatches = indexByAnnotationAndValue.keySet().stream().filter(s -> s.annotationName.equals(annotationName) && s.value != null).map(s -> s.value).collect(Collectors.toSet());
            if (!valueMatches.isEmpty()) {
                new StringSwitchWriter() {

                    @Override
                    protected Set<String> getKeys() {
                        return valueMatches;
                    }

                    @Override
                    protected void pushStringValue() {
                        writer.loadArg(1);
                    }

                    @Override
                    protected void onMatch(String value, Label end) {
                        String propertyName = indexByAnnotationAndValue.get(new AnnotationWithValue(annotationName, value));
                        int propertyIndex = getPropertyIndex(propertyName);
                        writer.loadThis();
                        writer.push(propertyIndex);
                        writer.invokeVirtual(introspectionType, FIND_PROPERTY_BY_INDEX_METHOD);
                        writer.returnValue();
                    }
                }.write(writer);
            }
            writer.goTo(end);
        }
    }.write(writer);
    writer.push((String) null);
    writer.returnValue();
    writer.visitMaxs(DEFAULT_MAX_STACK, 1);
    writer.visitEnd();
}

Example 2 with StringSwitchWriter

use of io.micronaut.inject.writer.StringSwitchWriter in project micronaut-core by micronaut-projects.

the class BeanIntrospectionWriter method buildGetIndexedProperties.

private void buildGetIndexedProperties(ClassWriter classWriter) {
    if (indexByAnnotations.isEmpty()) {
        return;
    }
    GeneratorAdapter writer = new GeneratorAdapter(classWriter.visitMethod(Opcodes.ACC_PUBLIC | Opcodes.ACC_FINAL, GET_INDEXED_PROPERTIES.getName(), GET_INDEXED_PROPERTIES.getDescriptor(), null, null), ACC_PUBLIC | Opcodes.ACC_FINAL, GET_INDEXED_PROPERTIES.getName(), GET_INDEXED_PROPERTIES.getDescriptor());
    writer.loadThis();
    writer.loadArg(0);
    writer.invokeVirtual(Type.getType(Class.class), new Method("getName", Type.getType(String.class), new Type[] {}));
    int classNameLocal = writer.newLocal(Type.getType(String.class));
    writer.storeLocal(classNameLocal);
    writer.loadLocal(classNameLocal);
    new StringSwitchWriter() {

        @Override
        protected Set<String> getKeys() {
            return indexByAnnotations.keySet();
        }

        @Override
        protected void pushStringValue() {
            writer.loadLocal(classNameLocal);
        }

        @Override
        protected void onMatch(String annotationName, Label end) {
            writer.loadThis();
            writer.getStatic(introspectionType, annotationIndexFields.get(annotationName), Type.getType(int[].class));
            writer.invokeVirtual(introspectionType, GET_BP_INDEXED_SUBSET_METHOD);
            writer.returnValue();
        }
    }.write(writer);
    writer.invokeStatic(Type.getType(Collections.class), COLLECTIONS_EMPTY_LIST);
    writer.returnValue();
    writer.visitMaxs(DEFAULT_MAX_STACK, 1);
    writer.visitEnd();
}

Example 3 with StringSwitchWriter

use of io.micronaut.inject.writer.StringSwitchWriter in project micronaut-core by micronaut-projects.

the class BeanIntrospectionWriter method buildPropertyIndexOfMethod.

private void buildPropertyIndexOfMethod(ClassWriter classWriter) {
    GeneratorAdapter findMethod = new GeneratorAdapter(classWriter.visitMethod(Opcodes.ACC_PUBLIC | Opcodes.ACC_FINAL, PROPERTY_INDEX_OF.getName(), PROPERTY_INDEX_OF.getDescriptor(), null, null), ACC_PUBLIC | Opcodes.ACC_FINAL, PROPERTY_INDEX_OF.getName(), PROPERTY_INDEX_OF.getDescriptor());
    new StringSwitchWriter() {

        @Override
        protected Set<String> getKeys() {
            Set<String> keys = new HashSet<>();
            for (BeanPropertyData prop : beanProperties) {
                keys.add(prop.name);
            }
            for (BeanFieldData field : beanFields) {
                keys.add(field.beanField.getName());
            }
            return keys;
        }

        @Override
        protected void pushStringValue() {
            findMethod.loadArg(0);
        }

        @Override
        protected void onMatch(String value, Label end) {
            findMethod.loadThis();
            findMethod.push(getPropertyIndex(value));
            findMethod.returnValue();
        }
    }.write(findMethod);
    findMethod.push(-1);
    findMethod.returnValue();
    findMethod.visitMaxs(DEFAULT_MAX_STACK, 1);
    findMethod.visitEnd();
}