SettableMethodReference.java

/*
 * Copyright 2023 Terminal Utils Authors
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package net.morimekta.terminal.args.reference;

import net.morimekta.terminal.args.ArgException;

import java.lang.annotation.Annotation;
import java.lang.reflect.AccessibleObject;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Type;

/**
 * Settable reference backed by a setter method on the config object.
 */
public class SettableMethodReference extends MethodReference implements SettableReference {
    private final Method setter;

    public SettableMethodReference(
            Object instance,
            Method getter,
            Method setter,
            AccessibleObject annotationRef) {
        super(instance, getter, annotationRef);
        this.setter = setter;
    }

    @Override
    public String getName() {
        return setter.getName();
    }

    @Override
    public void set(Object o) {
        safeInvoke(setter, instance, o);
    }

    @Override
    public boolean isAnnotationPresent(Class<? extends Annotation> annotation) {
        return setter.isAnnotationPresent(annotation) || super.isAnnotationPresent(annotation);
    }

    @Override
    public <A extends Annotation> A getAnnotation(Class<A> annotation) {
        if (setter.isAnnotationPresent(annotation)) {
            return setter.getAnnotation(annotation);
        }
        return super.getAnnotation(annotation);
    }

    @Override
    public Class<?> getType() {
        var p0 = setter.getParameters()[0];
        return p0.getType();
    }

    @Override
    public Type getGenericType() {
        var p0 = setter.getParameters()[0];
        return p0.getParameterizedType();
    }
}