gradle-master/subprojects/dependency-management/src/main/java/org/gradle/api/internal/artifacts/ivyservice/moduleconverter/dependencies/AbstractDependencyMetadataConverter.java
/*
 * Copyright 2007-2008 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 org.gradle.api.internal.artifacts.ivyservice.moduleconverter.dependencies;

import com.google.common.collect.ImmutableList;
import org.gradle.api.artifacts.DependencyArtifact;
import org.gradle.api.artifacts.ExcludeRule;
import org.gradle.internal.component.model.DefaultIvyArtifactName;
import org.gradle.internal.component.model.ExcludeMetadata;
import org.gradle.internal.component.model.IvyArtifactName;
import org.gradle.util.internal.CollectionUtils;

import java.util.Collections;
import java.util.List;
import java.util.Set;

public abstract class AbstractDependencyMetadataConverter implements DependencyMetadataConverter {
    private final ExcludeRuleConverter excludeRuleConverter;

    public AbstractDependencyMetadataConverter(ExcludeRuleConverter excludeRuleConverter) {
        this.excludeRuleConverter = excludeRuleConverter;
    }

    private String getExtension(DependencyArtifact artifact) {
        return artifact.getExtension() != null ? artifact.getExtension() : artifact.getType();
    }

    protected List<ExcludeMetadata> convertExcludeRules(Set<ExcludeRule> excludeRules) {
        return CollectionUtils.collect((Iterable<ExcludeRule>) excludeRules, excludeRuleConverter::convertExcludeRule);
    }

    protected List<IvyArtifactName> convertArtifacts(Set<DependencyArtifact> dependencyArtifacts) {
        if (dependencyArtifacts.isEmpty()) {
            return Collections.emptyList();
        }
        ImmutableList.Builder<IvyArtifactName> names = ImmutableList.builder();
        for (DependencyArtifact dependencyArtifact : dependencyArtifacts) {
            DefaultIvyArtifactName name = new DefaultIvyArtifactName(dependencyArtifact.getName(), dependencyArtifact.getType(), getExtension(dependencyArtifact), dependencyArtifact.getClassifier());
            names.add(name);
        }
        return names.build();
    }
}
