/*
 * Copyright 2011 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.resolveengine;

import java.util.Collection;
import java.util.Formatter;

class StrictConflictResolver implements ModuleConflictResolver {
    public ModuleRevisionResolveState select(Collection<? extends ModuleRevisionResolveState> candidates, ModuleRevisionResolveState root) {
        Formatter formatter = new Formatter();
        formatter.format("A conflict was found between the following modules:");
        for (ModuleRevisionResolveState candidate : candidates) {
            formatter.format("%n - %s", candidate.getId());
        }
        throw new RuntimeException(formatter.toString());
    }
}
