io.streamthoughts.kafka.specs.extensions.ExtensionRegistry Maven / Gradle / Ivy

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A command-line tool to help you automate the management of the configurations that live on your Apache Kafka clusters.

There is a newer version: 0.30.0

/*
 * Copyright 2021 StreamThoughts.
 *
 * 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 io.streamthoughts.kafka.specs.extensions;

import io.streamthoughts.kafka.specs.internal.ClassUtils;
import io.vavr.Lazy;

import java.util.HashMap;
import java.util.Map;
import java.util.function.Supplier;

public class ExtensionRegistry {

    private final Map> extensions;

    /**
     * Creates a new {@link ExtensionRegistry} instance.
     */
    public ExtensionRegistry() {
        this.extensions = new HashMap<>();
    }

    public void register(final String extensionClass,
                         final Supplier supplier) {
        this.extensions.put(extensionClass, supplier);
    }

    public  T getExtensionForClass(final String extensionClass) {
        if (extensions.containsKey(extensionClass)) {
            @SuppressWarnings("unchecked")
            final T extension = (T) extensions.get(extensionClass).get();
            return extension;
        }
        @SuppressWarnings("unchecked")
        final T result = getExtensionForClass((Class) ClassUtils.forName(extensionClass));
        return result;
    }

    public  T getExtensionForClass(final Class extensionClass) {
        return ClassUtils.newInstance(extensionClass);
    }

}