src/test/java/org/apache/sling/models/impl/injector/CustomAnnotationInjector.java

/*
 * 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 org.apache.sling.models.impl.injector;

import java.lang.reflect.AnnotatedElement;
import java.lang.reflect.Type;

import org.apache.sling.models.spi.DisposalCallbackRegistry;
import org.apache.sling.models.spi.Injector;
import org.apache.sling.models.spi.injectorspecific.AbstractInjectAnnotationProcessor;
import org.apache.sling.models.spi.injectorspecific.InjectAnnotationProcessor;
import org.apache.sling.models.spi.injectorspecific.InjectAnnotationProcessorFactory;
import org.jetbrains.annotations.NotNull;

@SuppressWarnings("deprecation")
public class CustomAnnotationInjector implements Injector, InjectAnnotationProcessorFactory {

    @Override
    public @NotNull String getName() {
        return "with-annotation";
    }

    @Override
    public Object getValue(
            @NotNull Object adaptable,
            String name,
            @NotNull Type declaredType,
            @NotNull AnnotatedElement element,
            @NotNull DisposalCallbackRegistry callbackRegistry) {
        if (name.equals("customString")) {
            return "custom value";
        } else {
            return null;
        }
    }

    @Override
    public InjectAnnotationProcessor createAnnotationProcessor(Object adaptable, AnnotatedElement element) {
        if (element.isAnnotationPresent(CustomAnnotation.class)) {
            return new Processor();
        } else {
            return null;
        }
    }

    private class Processor extends AbstractInjectAnnotationProcessor {

        @Override
        public boolean hasDefault() {
            return true;
        }

        @Override
        public Object getDefault() {
            return "default value";
        }
    }
}