io.spring.initializr.web.support.DefaultDependencyMetadataProvider.java Source code

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Here is the source code for io.spring.initializr.web.support.DefaultDependencyMetadataProvider.java

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/*
 * Copyright 2012-2017 the original author or authors.
 *
 * Licensed 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.spring.initializr.web.support;

import java.util.LinkedHashMap;
import java.util.Map;

import io.spring.initializr.metadata.BillOfMaterials;
import io.spring.initializr.metadata.Dependency;
import io.spring.initializr.metadata.DependencyMetadata;
import io.spring.initializr.metadata.DependencyMetadataProvider;
import io.spring.initializr.metadata.InitializrMetadata;
import io.spring.initializr.metadata.Repository;
import io.spring.initializr.util.Version;

import org.springframework.cache.annotation.Cacheable;

/**
 * A default {@link DependencyMetadataProvider} implementation.
 *
 * @author Stephane Nicoll
 */
public class DefaultDependencyMetadataProvider implements DependencyMetadataProvider {

    @Override
    @Cacheable(cacheNames = "initializr.dependency-metadata", key = "#p1")
    public DependencyMetadata get(InitializrMetadata metadata, Version bootVersion) {
        Map<String, Dependency> dependencies = new LinkedHashMap<>();
        for (Dependency d : metadata.getDependencies().getAll()) {
            if (d.match(bootVersion)) {
                dependencies.put(d.getId(), d.resolve(bootVersion));
            }
        }

        Map<String, Repository> repositories = new LinkedHashMap<>();
        for (Dependency d : dependencies.values()) {
            if (d.getRepository() != null) {
                repositories.put(d.getRepository(),
                        metadata.getConfiguration().getEnv().getRepositories().get(d.getRepository()));
            }
        }

        Map<String, BillOfMaterials> boms = new LinkedHashMap<>();
        for (Dependency d : dependencies.values()) {
            if (d.getBom() != null) {
                boms.put(d.getBom(),
                        metadata.getConfiguration().getEnv().getBoms().get(d.getBom()).resolve(bootVersion));
            }
        }
        // Each resolved bom may require additional repositories
        for (BillOfMaterials b : boms.values()) {
            for (String id : b.getRepositories()) {
                repositories.put(id, metadata.getConfiguration().getEnv().getRepositories().get(id));
            }
        }

        return new DependencyMetadata(bootVersion, dependencies, repositories, boms);
    }

}