/*
* Copyright 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 org.gradle.api.internal.artifacts.transform;
import org.gradle.api.internal.artifacts.ivyservice.resolveengine.artifact.ResolvedVariant;
import org.gradle.api.internal.attributes.AttributeContainerInternal;
import org.gradle.internal.Pair;
import org.gradle.internal.text.TreeFormatter;
import java.util.List;
import static org.gradle.internal.component.AmbiguousVariantSelectionException.formatAttributes;
public class AmbiguousTransformException extends RuntimeException {
public AmbiguousTransformException(String producerDisplayName, AttributeContainerInternal requested, List<Pair<ResolvedVariant, ConsumerVariantMatchResult.ConsumerVariant>> candidates) {
super(format(producerDisplayName, requested, candidates));
}
private static String format(String producerDisplayName, AttributeContainerInternal requested, List<Pair<ResolvedVariant, ConsumerVariantMatchResult.ConsumerVariant>> candidates) {
TreeFormatter formatter = new TreeFormatter();
formatter.node("Found multiple transforms that can produce a variant of " + producerDisplayName + " for consumer attributes");
formatAttributes(formatter, requested);
formatter.node("Found the following transforms");
formatter.startChildren();
for (Pair<ResolvedVariant, ConsumerVariantMatchResult.ConsumerVariant> candidate : candidates) {
formatter.node("Transform from " + candidate.getLeft().asDescribable().getDisplayName());
formatAttributes(formatter, candidate.getLeft().getAttributes());
}
formatter.endChildren();
return formatter.toString();
}
}