import org.gradle.internal.resource.ExternalResourceName;

import java.net.URI;
import java.util.Map;

public class M2ResourcePattern extends AbstractResourcePattern {
    public M2ResourcePattern(String pattern) {
        super(pattern);
    }

    public M2ResourcePattern(URI baseUri, String pattern) {
        super(baseUri, pattern);
    }

    @Override
    public String toString() {

class M2ResourcePatternTest extends Specification {
    def "can construct from URI and pattern"() {
        expect:
        new M2ResourcePattern(new URI(uri), pattern).pattern == expectedPattern

        where:
        uri            | pattern  | expectedPattern
        "http://host/" | "a/b/c"  | "http://host/a/b/c"

            ImmutableList<ResourcePattern> metadataResources = ImmutableList.of(new M2ResourcePattern(url, MavenPattern.M2_PATTERN));
            ImmutableList.Builder<ResourcePattern> artifactResourcesBuilder = ImmutableList.builderWithExpectedSize(1 + artifactUrls.size());
            artifactResourcesBuilder.add(new M2ResourcePattern(url, MavenPattern.M2_PATTERN));
            for (URI rootUri : artifactUrls) {

import org.gradle.api.internal.artifacts.repositories.resolver.IvyResolver;
import org.gradle.api.internal.artifacts.repositories.resolver.IvyResourcePattern;
import org.gradle.api.internal.artifacts.repositories.resolver.M2ResourcePattern;
import org.gradle.api.internal.artifacts.repositories.resolver.ResourcePattern;
import org.gradle.internal.scan.UsedByScanPlugin;

import javax.annotation.Nullable;
import java.net.URI;
import java.util.ArrayList;

            }
        });
    }

    private M2ResourcePattern getWholePattern() {
        return new M2ResourcePattern(root, MavenPattern.M2_PATTERN);
    }

    @Nullable
    private MavenUniqueSnapshotModuleSource findUniqueSnapshotVersion(ModuleComponentIdentifier module, ResourceAwareResolveResult result) {
        M2ResourcePattern wholePattern = getWholePattern();
        if (!wholePattern.isComplete(module)) {

import org.gradle.api.internal.artifacts.mvnsettings.LocalMavenRepositoryLocator;
import org.gradle.api.internal.artifacts.repositories.resolver.IvyResourcePattern;
import org.gradle.api.internal.artifacts.repositories.resolver.M2ResourcePattern;
import org.gradle.api.internal.artifacts.repositories.resolver.ResourcePattern;
import org.gradle.internal.Factory;
import org.gradle.internal.component.external.model.ModuleComponentArtifactIdentifier;

        and:
        1 * resourceAccessor.getResource(metaDataResource, null, _, null) >> { throw failure }
        0 * resourceAccessor._
    }

    def pattern(String pattern) {
        return new M2ResourcePattern(pattern)
    }