org.apache.camel.main.download.DependencyDownloaderUriFactoryResolver 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.CamelContext;
import org.apache.camel.catalog.CamelCatalog;
import org.apache.camel.catalog.DefaultCamelCatalog;
import org.apache.camel.impl.engine.DefaultUriFactoryResolver;
import org.apache.camel.spi.EndpointUriFactory;
import org.apache.camel.tooling.model.ComponentModel;

/**
 * Auto downloaded needed JARs when resolving uri factory.
 */
public class DependencyDownloaderUriFactoryResolver extends DefaultUriFactoryResolver {

    private final CamelCatalog catalog = new DefaultCamelCatalog();
    private final CamelContext camelContext;
    private final DependencyDownloader downloader;

    public DependencyDownloaderUriFactoryResolver(CamelContext camelContext) {
        this.camelContext = camelContext;
        this.downloader = camelContext.hasService(DependencyDownloader.class);
    }

    @Override
    public EndpointUriFactory resolveFactory(String name, CamelContext context) {
        ComponentModel model = catalog.componentModel(name);
        if (model != null && !downloader.alreadyOnClasspath(model.getGroupId(), model.getArtifactId(),
                model.getVersion())) {
            downloader.downloadDependency(model.getGroupId(), model.getArtifactId(),
                    model.getVersion());
        }

        return super.resolveFactory(name, context);
    }
}