org.apache.camel.main.download.KameletMainInjector Maven / Gradle / Ivy

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/*
 * 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.camel.main.download;

import org.apache.camel.Component;
import org.apache.camel.component.stub.StubComponent;
import org.apache.camel.spi.Injector;

public class KameletMainInjector implements Injector {

    private static final String ACCEPTED_STUB_NAMES
            = "StubComponent,BeanComponent,ClassComponent,KameletComponent,RestComponent,RestApiComponent,PlatformHttpComponent,VertxHttpComponent";

    private final Injector delegate;
    private final boolean stub;

    public KameletMainInjector(Injector delegate, boolean stub) {
        this.delegate = delegate;
        this.stub = stub;
    }

    @Override
    public  T newInstance(Class type) {
        if (stub && Component.class.isAssignableFrom(type)) {
            boolean accept = accept(type);
            if (!accept) {
                return (T) delegate.newInstance(StubComponent.class);
            }
        }
        return delegate.newInstance(type);
    }

    @Override
    public  T newInstance(Class type, String factoryMethod) {
        if (stub && Component.class.isAssignableFrom(type)) {
            boolean accept = accept(type);
            if (!accept) {
                return (T) delegate.newInstance(StubComponent.class);
            }
        }
        return delegate.newInstance(type, factoryMethod);
    }

    @Override
    public  T newInstance(Class type, boolean postProcessBean) {
        if (stub && Component.class.isAssignableFrom(type)) {
            boolean accept = accept(type);
            if (!accept) {
                return (T) delegate.newInstance(StubComponent.class);
            }
        }
        return delegate.newInstance(type, postProcessBean);
    }

    @Override
    public boolean supportsAutoWiring() {
        return delegate.supportsAutoWiring();
    }

    private boolean accept(Class type) {
        if (!stub) {
            return true;
        }

        String shortName = type.getSimpleName();
        // we are stubbing but need to accept the following
        return ACCEPTED_STUB_NAMES.contains(shortName);
    }
}